id
int32 0
252k
| repo
stringlengths 7
55
| path
stringlengths 4
127
| func_name
stringlengths 1
88
| original_string
stringlengths 75
19.8k
| language
stringclasses 1
value | code
stringlengths 51
19.8k
| code_tokens
list | docstring
stringlengths 3
17.3k
| docstring_tokens
list | sha
stringlengths 40
40
| url
stringlengths 87
242
|
---|---|---|---|---|---|---|---|---|---|---|---|
1,600 | fracpete/python-weka-wrapper3 | python/weka/filters.py | MultiFilter.filters | def filters(self):
"""
Returns the list of base filters.
:return: the filter list
:rtype: list
"""
objects = javabridge.get_env().get_object_array_elements(
javabridge.call(self.jobject, "getFilters", "()[Lweka/filters/Filter;"))
result = []
for obj in objects:
result.append(Filter(jobject=obj))
return result | python | def filters(self):
objects = javabridge.get_env().get_object_array_elements(
javabridge.call(self.jobject, "getFilters", "()[Lweka/filters/Filter;"))
result = []
for obj in objects:
result.append(Filter(jobject=obj))
return result | [
"def",
"filters",
"(",
"self",
")",
":",
"objects",
"=",
"javabridge",
".",
"get_env",
"(",
")",
".",
"get_object_array_elements",
"(",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"getFilters\"",
",",
"\"()[Lweka/filters/Filter;\"",
")",
")",
"result",
"=",
"[",
"]",
"for",
"obj",
"in",
"objects",
":",
"result",
".",
"append",
"(",
"Filter",
"(",
"jobject",
"=",
"obj",
")",
")",
"return",
"result"
] | Returns the list of base filters.
:return: the filter list
:rtype: list | [
"Returns",
"the",
"list",
"of",
"base",
"filters",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/filters.py#L201-L213 |
1,601 | fracpete/python-weka-wrapper3 | python/weka/filters.py | MultiFilter.filters | def filters(self, filters):
"""
Sets the base filters.
:param filters: the list of base filters to use
:type filters: list
"""
obj = []
for fltr in filters:
obj.append(fltr.jobject)
javabridge.call(self.jobject, "setFilters", "([Lweka/filters/Filter;)V", obj) | python | def filters(self, filters):
obj = []
for fltr in filters:
obj.append(fltr.jobject)
javabridge.call(self.jobject, "setFilters", "([Lweka/filters/Filter;)V", obj) | [
"def",
"filters",
"(",
"self",
",",
"filters",
")",
":",
"obj",
"=",
"[",
"]",
"for",
"fltr",
"in",
"filters",
":",
"obj",
".",
"append",
"(",
"fltr",
".",
"jobject",
")",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"setFilters\"",
",",
"\"([Lweka/filters/Filter;)V\"",
",",
"obj",
")"
] | Sets the base filters.
:param filters: the list of base filters to use
:type filters: list | [
"Sets",
"the",
"base",
"filters",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/filters.py#L216-L226 |
1,602 | fracpete/python-weka-wrapper3 | python/weka/flow/container.py | Container.generate_help | def generate_help(self):
"""
Generates a help string for this container.
:return: the help string
:rtype: str
"""
result = []
result.append(self.__class__.__name__)
result.append(re.sub(r'.', '=', self.__class__.__name__))
result.append("")
result.append("Supported value names:")
for a in self.allowed:
result.append(a)
return '\n'.join(result) | python | def generate_help(self):
result = []
result.append(self.__class__.__name__)
result.append(re.sub(r'.', '=', self.__class__.__name__))
result.append("")
result.append("Supported value names:")
for a in self.allowed:
result.append(a)
return '\n'.join(result) | [
"def",
"generate_help",
"(",
"self",
")",
":",
"result",
"=",
"[",
"]",
"result",
".",
"append",
"(",
"self",
".",
"__class__",
".",
"__name__",
")",
"result",
".",
"append",
"(",
"re",
".",
"sub",
"(",
"r'.'",
",",
"'='",
",",
"self",
".",
"__class__",
".",
"__name__",
")",
")",
"result",
".",
"append",
"(",
"\"\"",
")",
"result",
".",
"append",
"(",
"\"Supported value names:\"",
")",
"for",
"a",
"in",
"self",
".",
"allowed",
":",
"result",
".",
"append",
"(",
"a",
")",
"return",
"'\\n'",
".",
"join",
"(",
"result",
")"
] | Generates a help string for this container.
:return: the help string
:rtype: str | [
"Generates",
"a",
"help",
"string",
"for",
"this",
"container",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/flow/container.py#L84-L98 |
1,603 | fracpete/python-weka-wrapper3 | python/weka/plot/graph.py | plot_dot_graph | def plot_dot_graph(graph, filename=None):
"""
Plots a graph in graphviz dot notation.
:param graph: the dot notation graph
:type graph: str
:param filename: the (optional) file to save the generated plot to. The extension determines the file format.
:type filename: str
"""
if not plot.pygraphviz_available:
logger.error("Pygraphviz is not installed, cannot generate graph plot!")
return
if not plot.PIL_available:
logger.error("PIL is not installed, cannot display graph plot!")
return
agraph = AGraph(graph)
agraph.layout(prog='dot')
if filename is None:
filename = tempfile.mktemp(suffix=".png")
agraph.draw(filename)
image = Image.open(filename)
image.show() | python | def plot_dot_graph(graph, filename=None):
if not plot.pygraphviz_available:
logger.error("Pygraphviz is not installed, cannot generate graph plot!")
return
if not plot.PIL_available:
logger.error("PIL is not installed, cannot display graph plot!")
return
agraph = AGraph(graph)
agraph.layout(prog='dot')
if filename is None:
filename = tempfile.mktemp(suffix=".png")
agraph.draw(filename)
image = Image.open(filename)
image.show() | [
"def",
"plot_dot_graph",
"(",
"graph",
",",
"filename",
"=",
"None",
")",
":",
"if",
"not",
"plot",
".",
"pygraphviz_available",
":",
"logger",
".",
"error",
"(",
"\"Pygraphviz is not installed, cannot generate graph plot!\"",
")",
"return",
"if",
"not",
"plot",
".",
"PIL_available",
":",
"logger",
".",
"error",
"(",
"\"PIL is not installed, cannot display graph plot!\"",
")",
"return",
"agraph",
"=",
"AGraph",
"(",
"graph",
")",
"agraph",
".",
"layout",
"(",
"prog",
"=",
"'dot'",
")",
"if",
"filename",
"is",
"None",
":",
"filename",
"=",
"tempfile",
".",
"mktemp",
"(",
"suffix",
"=",
"\".png\"",
")",
"agraph",
".",
"draw",
"(",
"filename",
")",
"image",
"=",
"Image",
".",
"open",
"(",
"filename",
")",
"image",
".",
"show",
"(",
")"
] | Plots a graph in graphviz dot notation.
:param graph: the dot notation graph
:type graph: str
:param filename: the (optional) file to save the generated plot to. The extension determines the file format.
:type filename: str | [
"Plots",
"a",
"graph",
"in",
"graphviz",
"dot",
"notation",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/plot/graph.py#L29-L51 |
1,604 | fracpete/python-weka-wrapper3 | python/weka/core/stemmers.py | Stemmer.stem | def stem(self, s):
"""
Performs stemming on the string.
:param s: the string to stem
:type s: str
:return: the stemmed string
:rtype: str
"""
return javabridge.get_env().get_string(self.__stem(javabridge.get_env().new_string_utf(s))) | python | def stem(self, s):
return javabridge.get_env().get_string(self.__stem(javabridge.get_env().new_string_utf(s))) | [
"def",
"stem",
"(",
"self",
",",
"s",
")",
":",
"return",
"javabridge",
".",
"get_env",
"(",
")",
".",
"get_string",
"(",
"self",
".",
"__stem",
"(",
"javabridge",
".",
"get_env",
"(",
")",
".",
"new_string_utf",
"(",
"s",
")",
")",
")"
] | Performs stemming on the string.
:param s: the string to stem
:type s: str
:return: the stemmed string
:rtype: str | [
"Performs",
"stemming",
"on",
"the",
"string",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/stemmers.py#L43-L52 |
1,605 | fracpete/python-weka-wrapper3 | python/weka/core/dataset.py | Instances.attribute_by_name | def attribute_by_name(self, name):
"""
Returns the specified attribute, None if not found.
:param name: the name of the attribute
:type name: str
:return: the attribute or None
:rtype: Attribute
"""
att = self.__attribute_by_name(javabridge.get_env().new_string(name))
if att is None:
return None
else:
return Attribute(att) | python | def attribute_by_name(self, name):
att = self.__attribute_by_name(javabridge.get_env().new_string(name))
if att is None:
return None
else:
return Attribute(att) | [
"def",
"attribute_by_name",
"(",
"self",
",",
"name",
")",
":",
"att",
"=",
"self",
".",
"__attribute_by_name",
"(",
"javabridge",
".",
"get_env",
"(",
")",
".",
"new_string",
"(",
"name",
")",
")",
"if",
"att",
"is",
"None",
":",
"return",
"None",
"else",
":",
"return",
"Attribute",
"(",
"att",
")"
] | Returns the specified attribute, None if not found.
:param name: the name of the attribute
:type name: str
:return: the attribute or None
:rtype: Attribute | [
"Returns",
"the",
"specified",
"attribute",
"None",
"if",
"not",
"found",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/dataset.py#L118-L131 |
1,606 | fracpete/python-weka-wrapper3 | python/weka/core/dataset.py | Instances.add_instance | def add_instance(self, inst, index=None):
"""
Adds the specified instance to the dataset.
:param inst: the Instance to add
:type inst: Instance
:param index: the 0-based index where to add the Instance
:type index: int
"""
if index is None:
self.__append_instance(inst.jobject)
else:
self.__insert_instance(index, inst.jobject) | python | def add_instance(self, inst, index=None):
if index is None:
self.__append_instance(inst.jobject)
else:
self.__insert_instance(index, inst.jobject) | [
"def",
"add_instance",
"(",
"self",
",",
"inst",
",",
"index",
"=",
"None",
")",
":",
"if",
"index",
"is",
"None",
":",
"self",
".",
"__append_instance",
"(",
"inst",
".",
"jobject",
")",
"else",
":",
"self",
".",
"__insert_instance",
"(",
"index",
",",
"inst",
".",
"jobject",
")"
] | Adds the specified instance to the dataset.
:param inst: the Instance to add
:type inst: Instance
:param index: the 0-based index where to add the Instance
:type index: int | [
"Adds",
"the",
"specified",
"instance",
"to",
"the",
"dataset",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/dataset.py#L235-L247 |
1,607 | fracpete/python-weka-wrapper3 | python/weka/core/dataset.py | Instances.set_instance | def set_instance(self, index, inst):
"""
Sets the Instance at the specified location in the dataset.
:param index: the 0-based index of the instance to replace
:type index: int
:param inst: the Instance to set
:type inst: Instance
:return: the instance
:rtype: Instance
"""
return Instance(
self.__set_instance(index, inst.jobject)) | python | def set_instance(self, index, inst):
return Instance(
self.__set_instance(index, inst.jobject)) | [
"def",
"set_instance",
"(",
"self",
",",
"index",
",",
"inst",
")",
":",
"return",
"Instance",
"(",
"self",
".",
"__set_instance",
"(",
"index",
",",
"inst",
".",
"jobject",
")",
")"
] | Sets the Instance at the specified location in the dataset.
:param index: the 0-based index of the instance to replace
:type index: int
:param inst: the Instance to set
:type inst: Instance
:return: the instance
:rtype: Instance | [
"Sets",
"the",
"Instance",
"at",
"the",
"specified",
"location",
"in",
"the",
"dataset",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/dataset.py#L249-L261 |
1,608 | fracpete/python-weka-wrapper3 | python/weka/core/dataset.py | Instances.delete | def delete(self, index=None):
"""
Removes either the specified Instance or all Instance objects.
:param index: the 0-based index of the instance to remove
:type index: int
"""
if index is None:
javabridge.call(self.jobject, "delete", "()V")
else:
javabridge.call(self.jobject, "delete", "(I)V", index) | python | def delete(self, index=None):
if index is None:
javabridge.call(self.jobject, "delete", "()V")
else:
javabridge.call(self.jobject, "delete", "(I)V", index) | [
"def",
"delete",
"(",
"self",
",",
"index",
"=",
"None",
")",
":",
"if",
"index",
"is",
"None",
":",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"delete\"",
",",
"\"()V\"",
")",
"else",
":",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"delete\"",
",",
"\"(I)V\"",
",",
"index",
")"
] | Removes either the specified Instance or all Instance objects.
:param index: the 0-based index of the instance to remove
:type index: int | [
"Removes",
"either",
"the",
"specified",
"Instance",
"or",
"all",
"Instance",
"objects",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/dataset.py#L263-L273 |
1,609 | fracpete/python-weka-wrapper3 | python/weka/core/dataset.py | Instances.insert_attribute | def insert_attribute(self, att, index):
"""
Inserts the attribute at the specified location.
:param att: the attribute to insert
:type att: Attribute
:param index: the index to insert the attribute at
:type index: int
"""
javabridge.call(self.jobject, "insertAttributeAt", "(Lweka/core/Attribute;I)V", att.jobject, index) | python | def insert_attribute(self, att, index):
javabridge.call(self.jobject, "insertAttributeAt", "(Lweka/core/Attribute;I)V", att.jobject, index) | [
"def",
"insert_attribute",
"(",
"self",
",",
"att",
",",
"index",
")",
":",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"insertAttributeAt\"",
",",
"\"(Lweka/core/Attribute;I)V\"",
",",
"att",
".",
"jobject",
",",
"index",
")"
] | Inserts the attribute at the specified location.
:param att: the attribute to insert
:type att: Attribute
:param index: the index to insert the attribute at
:type index: int | [
"Inserts",
"the",
"attribute",
"at",
"the",
"specified",
"location",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/dataset.py#L314-L323 |
1,610 | fracpete/python-weka-wrapper3 | python/weka/core/dataset.py | Instances.train_cv | def train_cv(self, num_folds, fold, random=None):
"""
Generates a training fold for cross-validation.
:param num_folds: the number of folds of cross-validation, eg 10
:type num_folds: int
:param fold: the current fold (0-based)
:type fold: int
:param random: the random number generator
:type random: Random
:return: the training fold
:rtype: Instances
"""
if random is None:
return Instances(
javabridge.call(self.jobject, "trainCV", "(II)Lweka/core/Instances;",
num_folds, fold))
else:
return Instances(
javabridge.call(self.jobject, "trainCV", "(IILjava/util/Random;)Lweka/core/Instances;",
num_folds, fold, random.jobject)) | python | def train_cv(self, num_folds, fold, random=None):
if random is None:
return Instances(
javabridge.call(self.jobject, "trainCV", "(II)Lweka/core/Instances;",
num_folds, fold))
else:
return Instances(
javabridge.call(self.jobject, "trainCV", "(IILjava/util/Random;)Lweka/core/Instances;",
num_folds, fold, random.jobject)) | [
"def",
"train_cv",
"(",
"self",
",",
"num_folds",
",",
"fold",
",",
"random",
"=",
"None",
")",
":",
"if",
"random",
"is",
"None",
":",
"return",
"Instances",
"(",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"trainCV\"",
",",
"\"(II)Lweka/core/Instances;\"",
",",
"num_folds",
",",
"fold",
")",
")",
"else",
":",
"return",
"Instances",
"(",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"trainCV\"",
",",
"\"(IILjava/util/Random;)Lweka/core/Instances;\"",
",",
"num_folds",
",",
"fold",
",",
"random",
".",
"jobject",
")",
")"
] | Generates a training fold for cross-validation.
:param num_folds: the number of folds of cross-validation, eg 10
:type num_folds: int
:param fold: the current fold (0-based)
:type fold: int
:param random: the random number generator
:type random: Random
:return: the training fold
:rtype: Instances | [
"Generates",
"a",
"training",
"fold",
"for",
"cross",
"-",
"validation",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/dataset.py#L358-L378 |
1,611 | fracpete/python-weka-wrapper3 | python/weka/core/dataset.py | Instances.copy_instances | def copy_instances(cls, dataset, from_row=None, num_rows=None):
"""
Creates a copy of the Instances. If either from_row or num_rows are None, then all of
the data is being copied.
:param dataset: the original dataset
:type dataset: Instances
:param from_row: the 0-based start index of the rows to copy
:type from_row: int
:param num_rows: the number of rows to copy
:type num_rows: int
:return: the copy of the data
:rtype: Instances
"""
if from_row is None or num_rows is None:
return Instances(
javabridge.make_instance(
"weka/core/Instances", "(Lweka/core/Instances;)V",
dataset.jobject))
else:
dataset = cls.copy_instances(dataset)
return Instances(
javabridge.make_instance(
"weka/core/Instances", "(Lweka/core/Instances;II)V",
dataset.jobject, from_row, num_rows)) | python | def copy_instances(cls, dataset, from_row=None, num_rows=None):
if from_row is None or num_rows is None:
return Instances(
javabridge.make_instance(
"weka/core/Instances", "(Lweka/core/Instances;)V",
dataset.jobject))
else:
dataset = cls.copy_instances(dataset)
return Instances(
javabridge.make_instance(
"weka/core/Instances", "(Lweka/core/Instances;II)V",
dataset.jobject, from_row, num_rows)) | [
"def",
"copy_instances",
"(",
"cls",
",",
"dataset",
",",
"from_row",
"=",
"None",
",",
"num_rows",
"=",
"None",
")",
":",
"if",
"from_row",
"is",
"None",
"or",
"num_rows",
"is",
"None",
":",
"return",
"Instances",
"(",
"javabridge",
".",
"make_instance",
"(",
"\"weka/core/Instances\"",
",",
"\"(Lweka/core/Instances;)V\"",
",",
"dataset",
".",
"jobject",
")",
")",
"else",
":",
"dataset",
"=",
"cls",
".",
"copy_instances",
"(",
"dataset",
")",
"return",
"Instances",
"(",
"javabridge",
".",
"make_instance",
"(",
"\"weka/core/Instances\"",
",",
"\"(Lweka/core/Instances;II)V\"",
",",
"dataset",
".",
"jobject",
",",
"from_row",
",",
"num_rows",
")",
")"
] | Creates a copy of the Instances. If either from_row or num_rows are None, then all of
the data is being copied.
:param dataset: the original dataset
:type dataset: Instances
:param from_row: the 0-based start index of the rows to copy
:type from_row: int
:param num_rows: the number of rows to copy
:type num_rows: int
:return: the copy of the data
:rtype: Instances | [
"Creates",
"a",
"copy",
"of",
"the",
"Instances",
".",
"If",
"either",
"from_row",
"or",
"num_rows",
"are",
"None",
"then",
"all",
"of",
"the",
"data",
"is",
"being",
"copied",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/dataset.py#L408-L432 |
1,612 | fracpete/python-weka-wrapper3 | python/weka/core/dataset.py | Instances.template_instances | def template_instances(cls, dataset, capacity=0):
"""
Uses the Instances as template to create an empty dataset.
:param dataset: the original dataset
:type dataset: Instances
:param capacity: how many data rows to reserve initially (see compactify)
:type capacity: int
:return: the empty dataset
:rtype: Instances
"""
return Instances(
javabridge.make_instance(
"weka/core/Instances", "(Lweka/core/Instances;I)V", dataset.jobject, capacity)) | python | def template_instances(cls, dataset, capacity=0):
return Instances(
javabridge.make_instance(
"weka/core/Instances", "(Lweka/core/Instances;I)V", dataset.jobject, capacity)) | [
"def",
"template_instances",
"(",
"cls",
",",
"dataset",
",",
"capacity",
"=",
"0",
")",
":",
"return",
"Instances",
"(",
"javabridge",
".",
"make_instance",
"(",
"\"weka/core/Instances\"",
",",
"\"(Lweka/core/Instances;I)V\"",
",",
"dataset",
".",
"jobject",
",",
"capacity",
")",
")"
] | Uses the Instances as template to create an empty dataset.
:param dataset: the original dataset
:type dataset: Instances
:param capacity: how many data rows to reserve initially (see compactify)
:type capacity: int
:return: the empty dataset
:rtype: Instances | [
"Uses",
"the",
"Instances",
"as",
"template",
"to",
"create",
"an",
"empty",
"dataset",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/dataset.py#L435-L448 |
1,613 | fracpete/python-weka-wrapper3 | python/weka/core/dataset.py | Instances.create_instances | def create_instances(cls, name, atts, capacity):
"""
Creates a new Instances.
:param name: the relation name
:type name: str
:param atts: the list of attributes to use for the dataset
:type atts: list of Attribute
:param capacity: how many data rows to reserve initially (see compactify)
:type capacity: int
:return: the dataset
:rtype: Instances
"""
attributes = []
for att in atts:
attributes.append(att.jobject)
return Instances(
javabridge.make_instance(
"weka/core/Instances", "(Ljava/lang/String;Ljava/util/ArrayList;I)V",
name, javabridge.make_list(attributes), capacity)) | python | def create_instances(cls, name, atts, capacity):
attributes = []
for att in atts:
attributes.append(att.jobject)
return Instances(
javabridge.make_instance(
"weka/core/Instances", "(Ljava/lang/String;Ljava/util/ArrayList;I)V",
name, javabridge.make_list(attributes), capacity)) | [
"def",
"create_instances",
"(",
"cls",
",",
"name",
",",
"atts",
",",
"capacity",
")",
":",
"attributes",
"=",
"[",
"]",
"for",
"att",
"in",
"atts",
":",
"attributes",
".",
"append",
"(",
"att",
".",
"jobject",
")",
"return",
"Instances",
"(",
"javabridge",
".",
"make_instance",
"(",
"\"weka/core/Instances\"",
",",
"\"(Ljava/lang/String;Ljava/util/ArrayList;I)V\"",
",",
"name",
",",
"javabridge",
".",
"make_list",
"(",
"attributes",
")",
",",
"capacity",
")",
")"
] | Creates a new Instances.
:param name: the relation name
:type name: str
:param atts: the list of attributes to use for the dataset
:type atts: list of Attribute
:param capacity: how many data rows to reserve initially (see compactify)
:type capacity: int
:return: the dataset
:rtype: Instances | [
"Creates",
"a",
"new",
"Instances",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/dataset.py#L451-L470 |
1,614 | fracpete/python-weka-wrapper3 | python/weka/core/dataset.py | Instance.dataset | def dataset(self):
"""
Returns the dataset that this instance belongs to.
:return: the dataset or None if no dataset set
:rtype: Instances
"""
dataset = javabridge.call(self.jobject, "dataset", "()Lweka/core/Instances;")
if dataset is None:
return None
else:
return Instances(dataset) | python | def dataset(self):
dataset = javabridge.call(self.jobject, "dataset", "()Lweka/core/Instances;")
if dataset is None:
return None
else:
return Instances(dataset) | [
"def",
"dataset",
"(",
"self",
")",
":",
"dataset",
"=",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"dataset\"",
",",
"\"()Lweka/core/Instances;\"",
")",
"if",
"dataset",
"is",
"None",
":",
"return",
"None",
"else",
":",
"return",
"Instances",
"(",
"dataset",
")"
] | Returns the dataset that this instance belongs to.
:return: the dataset or None if no dataset set
:rtype: Instances | [
"Returns",
"the",
"dataset",
"that",
"this",
"instance",
"belongs",
"to",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/dataset.py#L577-L588 |
1,615 | fracpete/python-weka-wrapper3 | python/weka/core/dataset.py | Instance.create_sparse_instance | def create_sparse_instance(cls, values, max_values, classname="weka.core.SparseInstance", weight=1.0):
"""
Creates a new sparse instance.
:param values: the list of tuples (0-based index and internal format float). The indices of the
tuples must be in ascending order and "max_values" must be set to the maximum
number of attributes in the dataset.
:type values: list
:param max_values: the maximum number of attributes
:type max_values: int
:param classname: the classname of the instance (eg weka.core.SparseInstance).
:type classname: str
:param weight: the weight of the instance
:type weight: float
"""
jni_classname = classname.replace(".", "/")
indices = []
vals = []
for (i, v) in values:
indices.append(i)
vals.append(float(v))
indices = numpy.array(indices, dtype=numpy.int32)
vals = numpy.array(vals)
return Instance(
javabridge.make_instance(
jni_classname, "(D[D[II)V",
weight, javabridge.get_env().make_double_array(vals),
javabridge.get_env().make_int_array(indices), max_values)) | python | def create_sparse_instance(cls, values, max_values, classname="weka.core.SparseInstance", weight=1.0):
jni_classname = classname.replace(".", "/")
indices = []
vals = []
for (i, v) in values:
indices.append(i)
vals.append(float(v))
indices = numpy.array(indices, dtype=numpy.int32)
vals = numpy.array(vals)
return Instance(
javabridge.make_instance(
jni_classname, "(D[D[II)V",
weight, javabridge.get_env().make_double_array(vals),
javabridge.get_env().make_int_array(indices), max_values)) | [
"def",
"create_sparse_instance",
"(",
"cls",
",",
"values",
",",
"max_values",
",",
"classname",
"=",
"\"weka.core.SparseInstance\"",
",",
"weight",
"=",
"1.0",
")",
":",
"jni_classname",
"=",
"classname",
".",
"replace",
"(",
"\".\"",
",",
"\"/\"",
")",
"indices",
"=",
"[",
"]",
"vals",
"=",
"[",
"]",
"for",
"(",
"i",
",",
"v",
")",
"in",
"values",
":",
"indices",
".",
"append",
"(",
"i",
")",
"vals",
".",
"append",
"(",
"float",
"(",
"v",
")",
")",
"indices",
"=",
"numpy",
".",
"array",
"(",
"indices",
",",
"dtype",
"=",
"numpy",
".",
"int32",
")",
"vals",
"=",
"numpy",
".",
"array",
"(",
"vals",
")",
"return",
"Instance",
"(",
"javabridge",
".",
"make_instance",
"(",
"jni_classname",
",",
"\"(D[D[II)V\"",
",",
"weight",
",",
"javabridge",
".",
"get_env",
"(",
")",
".",
"make_double_array",
"(",
"vals",
")",
",",
"javabridge",
".",
"get_env",
"(",
")",
".",
"make_int_array",
"(",
"indices",
")",
",",
"max_values",
")",
")"
] | Creates a new sparse instance.
:param values: the list of tuples (0-based index and internal format float). The indices of the
tuples must be in ascending order and "max_values" must be set to the maximum
number of attributes in the dataset.
:type values: list
:param max_values: the maximum number of attributes
:type max_values: int
:param classname: the classname of the instance (eg weka.core.SparseInstance).
:type classname: str
:param weight: the weight of the instance
:type weight: float | [
"Creates",
"a",
"new",
"sparse",
"instance",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/dataset.py#L786-L813 |
1,616 | fracpete/python-weka-wrapper3 | python/weka/core/dataset.py | Attribute.type_str | def type_str(self, short=False):
"""
Returns the type of the attribute as string.
:return: the type
:rtype: str
"""
if short:
return javabridge.static_call(
"weka/core/Attribute", "typeToStringShort", "(Lweka/core/Attribute;)Ljava/lang/String;",
self.jobject)
else:
return javabridge.static_call(
"weka/core/Attribute", "typeToString", "(Lweka/core/Attribute;)Ljava/lang/String;",
self.jobject) | python | def type_str(self, short=False):
if short:
return javabridge.static_call(
"weka/core/Attribute", "typeToStringShort", "(Lweka/core/Attribute;)Ljava/lang/String;",
self.jobject)
else:
return javabridge.static_call(
"weka/core/Attribute", "typeToString", "(Lweka/core/Attribute;)Ljava/lang/String;",
self.jobject) | [
"def",
"type_str",
"(",
"self",
",",
"short",
"=",
"False",
")",
":",
"if",
"short",
":",
"return",
"javabridge",
".",
"static_call",
"(",
"\"weka/core/Attribute\"",
",",
"\"typeToStringShort\"",
",",
"\"(Lweka/core/Attribute;)Ljava/lang/String;\"",
",",
"self",
".",
"jobject",
")",
"else",
":",
"return",
"javabridge",
".",
"static_call",
"(",
"\"weka/core/Attribute\"",
",",
"\"typeToString\"",
",",
"\"(Lweka/core/Attribute;)Ljava/lang/String;\"",
",",
"self",
".",
"jobject",
")"
] | Returns the type of the attribute as string.
:return: the type
:rtype: str | [
"Returns",
"the",
"type",
"of",
"the",
"attribute",
"as",
"string",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/dataset.py#L946-L960 |
1,617 | fracpete/python-weka-wrapper3 | python/weka/core/dataset.py | Attribute.copy | def copy(self, name=None):
"""
Creates a copy of this attribute.
:param name: the new name, uses the old one if None
:type name: str
:return: the copy of the attribute
:rtype: Attribute
"""
if name is None:
return Attribute(
javabridge.call(self.jobject, "copy", "()Ljava/lang/Object;"))
else:
return Attribute(
javabridge.call(self.jobject, "copy", "(Ljava/lang/String;)Lweka/core/Attribute;", name)) | python | def copy(self, name=None):
if name is None:
return Attribute(
javabridge.call(self.jobject, "copy", "()Ljava/lang/Object;"))
else:
return Attribute(
javabridge.call(self.jobject, "copy", "(Ljava/lang/String;)Lweka/core/Attribute;", name)) | [
"def",
"copy",
"(",
"self",
",",
"name",
"=",
"None",
")",
":",
"if",
"name",
"is",
"None",
":",
"return",
"Attribute",
"(",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"copy\"",
",",
"\"()Ljava/lang/Object;\"",
")",
")",
"else",
":",
"return",
"Attribute",
"(",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"copy\"",
",",
"\"(Ljava/lang/String;)Lweka/core/Attribute;\"",
",",
"name",
")",
")"
] | Creates a copy of this attribute.
:param name: the new name, uses the old one if None
:type name: str
:return: the copy of the attribute
:rtype: Attribute | [
"Creates",
"a",
"copy",
"of",
"this",
"attribute",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/dataset.py#L1119-L1133 |
1,618 | fracpete/python-weka-wrapper3 | python/weka/core/dataset.py | Attribute.create_nominal | def create_nominal(cls, name, labels):
"""
Creates a nominal attribute.
:param name: the name of the attribute
:type name: str
:param labels: the list of string labels to use
:type labels: list
"""
return Attribute(
javabridge.make_instance(
"weka/core/Attribute", "(Ljava/lang/String;Ljava/util/List;)V", name, javabridge.make_list(labels))) | python | def create_nominal(cls, name, labels):
return Attribute(
javabridge.make_instance(
"weka/core/Attribute", "(Ljava/lang/String;Ljava/util/List;)V", name, javabridge.make_list(labels))) | [
"def",
"create_nominal",
"(",
"cls",
",",
"name",
",",
"labels",
")",
":",
"return",
"Attribute",
"(",
"javabridge",
".",
"make_instance",
"(",
"\"weka/core/Attribute\"",
",",
"\"(Ljava/lang/String;Ljava/util/List;)V\"",
",",
"name",
",",
"javabridge",
".",
"make_list",
"(",
"labels",
")",
")",
")"
] | Creates a nominal attribute.
:param name: the name of the attribute
:type name: str
:param labels: the list of string labels to use
:type labels: list | [
"Creates",
"a",
"nominal",
"attribute",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/dataset.py#L1162-L1173 |
1,619 | fracpete/python-weka-wrapper3 | python/weka/core/dataset.py | Attribute.create_relational | def create_relational(cls, name, inst):
"""
Creates a relational attribute.
:param name: the name of the attribute
:type name: str
:param inst: the structure of the relational attribute
:type inst: Instances
"""
return Attribute(
javabridge.make_instance(
"weka/core/Attribute", "(Ljava/lang/String;Lweka/core/Instances;)V", name, inst.jobject)) | python | def create_relational(cls, name, inst):
return Attribute(
javabridge.make_instance(
"weka/core/Attribute", "(Ljava/lang/String;Lweka/core/Instances;)V", name, inst.jobject)) | [
"def",
"create_relational",
"(",
"cls",
",",
"name",
",",
"inst",
")",
":",
"return",
"Attribute",
"(",
"javabridge",
".",
"make_instance",
"(",
"\"weka/core/Attribute\"",
",",
"\"(Ljava/lang/String;Lweka/core/Instances;)V\"",
",",
"name",
",",
"inst",
".",
"jobject",
")",
")"
] | Creates a relational attribute.
:param name: the name of the attribute
:type name: str
:param inst: the structure of the relational attribute
:type inst: Instances | [
"Creates",
"a",
"relational",
"attribute",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/dataset.py#L1188-L1199 |
1,620 | fracpete/python-weka-wrapper3 | python/weka/core/jvm.py | add_bundled_jars | def add_bundled_jars():
"""
Adds the bundled jars to the JVM's classpath.
"""
# determine lib directory with jars
rootdir = os.path.split(os.path.dirname(__file__))[0]
libdir = rootdir + os.sep + "lib"
# add jars from lib directory
for l in glob.glob(libdir + os.sep + "*.jar"):
if l.lower().find("-src.") == -1:
javabridge.JARS.append(str(l)) | python | def add_bundled_jars():
# determine lib directory with jars
rootdir = os.path.split(os.path.dirname(__file__))[0]
libdir = rootdir + os.sep + "lib"
# add jars from lib directory
for l in glob.glob(libdir + os.sep + "*.jar"):
if l.lower().find("-src.") == -1:
javabridge.JARS.append(str(l)) | [
"def",
"add_bundled_jars",
"(",
")",
":",
"# determine lib directory with jars",
"rootdir",
"=",
"os",
".",
"path",
".",
"split",
"(",
"os",
".",
"path",
".",
"dirname",
"(",
"__file__",
")",
")",
"[",
"0",
"]",
"libdir",
"=",
"rootdir",
"+",
"os",
".",
"sep",
"+",
"\"lib\"",
"# add jars from lib directory",
"for",
"l",
"in",
"glob",
".",
"glob",
"(",
"libdir",
"+",
"os",
".",
"sep",
"+",
"\"*.jar\"",
")",
":",
"if",
"l",
".",
"lower",
"(",
")",
".",
"find",
"(",
"\"-src.\"",
")",
"==",
"-",
"1",
":",
"javabridge",
".",
"JARS",
".",
"append",
"(",
"str",
"(",
"l",
")",
")"
] | Adds the bundled jars to the JVM's classpath. | [
"Adds",
"the",
"bundled",
"jars",
"to",
"the",
"JVM",
"s",
"classpath",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/jvm.py#L31-L42 |
1,621 | fracpete/python-weka-wrapper3 | python/weka/core/jvm.py | add_system_classpath | def add_system_classpath():
"""
Adds the system's classpath to the JVM's classpath.
"""
if 'CLASSPATH' in os.environ:
parts = os.environ['CLASSPATH'].split(os.pathsep)
for part in parts:
javabridge.JARS.append(part) | python | def add_system_classpath():
if 'CLASSPATH' in os.environ:
parts = os.environ['CLASSPATH'].split(os.pathsep)
for part in parts:
javabridge.JARS.append(part) | [
"def",
"add_system_classpath",
"(",
")",
":",
"if",
"'CLASSPATH'",
"in",
"os",
".",
"environ",
":",
"parts",
"=",
"os",
".",
"environ",
"[",
"'CLASSPATH'",
"]",
".",
"split",
"(",
"os",
".",
"pathsep",
")",
"for",
"part",
"in",
"parts",
":",
"javabridge",
".",
"JARS",
".",
"append",
"(",
"part",
")"
] | Adds the system's classpath to the JVM's classpath. | [
"Adds",
"the",
"system",
"s",
"classpath",
"to",
"the",
"JVM",
"s",
"classpath",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/jvm.py#L45-L52 |
1,622 | fracpete/python-weka-wrapper3 | python/weka/core/classes.py | get_class | def get_class(classname):
"""
Returns the class object associated with the dot-notation classname.
Taken from here: http://stackoverflow.com/a/452981
:param classname: the classname
:type classname: str
:return: the class object
:rtype: object
"""
parts = classname.split('.')
module = ".".join(parts[:-1])
m = __import__(module)
for comp in parts[1:]:
m = getattr(m, comp)
return m | python | def get_class(classname):
parts = classname.split('.')
module = ".".join(parts[:-1])
m = __import__(module)
for comp in parts[1:]:
m = getattr(m, comp)
return m | [
"def",
"get_class",
"(",
"classname",
")",
":",
"parts",
"=",
"classname",
".",
"split",
"(",
"'.'",
")",
"module",
"=",
"\".\"",
".",
"join",
"(",
"parts",
"[",
":",
"-",
"1",
"]",
")",
"m",
"=",
"__import__",
"(",
"module",
")",
"for",
"comp",
"in",
"parts",
"[",
"1",
":",
"]",
":",
"m",
"=",
"getattr",
"(",
"m",
",",
"comp",
")",
"return",
"m"
] | Returns the class object associated with the dot-notation classname.
Taken from here: http://stackoverflow.com/a/452981
:param classname: the classname
:type classname: str
:return: the class object
:rtype: object | [
"Returns",
"the",
"class",
"object",
"associated",
"with",
"the",
"dot",
"-",
"notation",
"classname",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/classes.py#L33-L49 |
1,623 | fracpete/python-weka-wrapper3 | python/weka/core/classes.py | get_jclass | def get_jclass(classname):
"""
Returns the Java class object associated with the dot-notation classname.
:param classname: the classname
:type classname: str
:return: the class object
:rtype: JB_Object
"""
try:
return javabridge.class_for_name(classname)
except:
return javabridge.static_call(
"Lweka/core/ClassHelper;", "forName",
"(Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/Class;",
javabridge.class_for_name("java.lang.Object"), classname) | python | def get_jclass(classname):
try:
return javabridge.class_for_name(classname)
except:
return javabridge.static_call(
"Lweka/core/ClassHelper;", "forName",
"(Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/Class;",
javabridge.class_for_name("java.lang.Object"), classname) | [
"def",
"get_jclass",
"(",
"classname",
")",
":",
"try",
":",
"return",
"javabridge",
".",
"class_for_name",
"(",
"classname",
")",
"except",
":",
"return",
"javabridge",
".",
"static_call",
"(",
"\"Lweka/core/ClassHelper;\"",
",",
"\"forName\"",
",",
"\"(Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/Class;\"",
",",
"javabridge",
".",
"class_for_name",
"(",
"\"java.lang.Object\"",
")",
",",
"classname",
")"
] | Returns the Java class object associated with the dot-notation classname.
:param classname: the classname
:type classname: str
:return: the class object
:rtype: JB_Object | [
"Returns",
"the",
"Java",
"class",
"object",
"associated",
"with",
"the",
"dot",
"-",
"notation",
"classname",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/classes.py#L52-L67 |
1,624 | fracpete/python-weka-wrapper3 | python/weka/core/classes.py | get_static_field | def get_static_field(classname, fieldname, signature):
"""
Returns the Java object associated with the static field of the specified class.
:param classname: the classname of the class to get the field from
:type classname: str
:param fieldname: the name of the field to retriev
:type fieldname: str
:return: the object
:rtype: JB_Object
"""
try:
return javabridge.get_static_field(classname, fieldname, signature)
except:
return javabridge.static_call(
"Lweka/core/ClassHelper;", "getStaticField",
"(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/Object;",
classname, fieldname) | python | def get_static_field(classname, fieldname, signature):
try:
return javabridge.get_static_field(classname, fieldname, signature)
except:
return javabridge.static_call(
"Lweka/core/ClassHelper;", "getStaticField",
"(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/Object;",
classname, fieldname) | [
"def",
"get_static_field",
"(",
"classname",
",",
"fieldname",
",",
"signature",
")",
":",
"try",
":",
"return",
"javabridge",
".",
"get_static_field",
"(",
"classname",
",",
"fieldname",
",",
"signature",
")",
"except",
":",
"return",
"javabridge",
".",
"static_call",
"(",
"\"Lweka/core/ClassHelper;\"",
",",
"\"getStaticField\"",
",",
"\"(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/Object;\"",
",",
"classname",
",",
"fieldname",
")"
] | Returns the Java object associated with the static field of the specified class.
:param classname: the classname of the class to get the field from
:type classname: str
:param fieldname: the name of the field to retriev
:type fieldname: str
:return: the object
:rtype: JB_Object | [
"Returns",
"the",
"Java",
"object",
"associated",
"with",
"the",
"static",
"field",
"of",
"the",
"specified",
"class",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/classes.py#L70-L87 |
1,625 | fracpete/python-weka-wrapper3 | python/weka/core/classes.py | get_classname | def get_classname(obj):
"""
Returns the classname of the JB_Object, Python class or object.
:param obj: the java object or Python class/object to get the classname for
:type obj: object
:return: the classname
:rtype: str
"""
if isinstance(obj, javabridge.JB_Object):
cls = javabridge.call(obj, "getClass", "()Ljava/lang/Class;")
return javabridge.call(cls, "getName", "()Ljava/lang/String;")
elif inspect.isclass(obj):
return obj.__module__ + "." + obj.__name__
else:
return get_classname(obj.__class__) | python | def get_classname(obj):
if isinstance(obj, javabridge.JB_Object):
cls = javabridge.call(obj, "getClass", "()Ljava/lang/Class;")
return javabridge.call(cls, "getName", "()Ljava/lang/String;")
elif inspect.isclass(obj):
return obj.__module__ + "." + obj.__name__
else:
return get_classname(obj.__class__) | [
"def",
"get_classname",
"(",
"obj",
")",
":",
"if",
"isinstance",
"(",
"obj",
",",
"javabridge",
".",
"JB_Object",
")",
":",
"cls",
"=",
"javabridge",
".",
"call",
"(",
"obj",
",",
"\"getClass\"",
",",
"\"()Ljava/lang/Class;\"",
")",
"return",
"javabridge",
".",
"call",
"(",
"cls",
",",
"\"getName\"",
",",
"\"()Ljava/lang/String;\"",
")",
"elif",
"inspect",
".",
"isclass",
"(",
"obj",
")",
":",
"return",
"obj",
".",
"__module__",
"+",
"\".\"",
"+",
"obj",
".",
"__name__",
"else",
":",
"return",
"get_classname",
"(",
"obj",
".",
"__class__",
")"
] | Returns the classname of the JB_Object, Python class or object.
:param obj: the java object or Python class/object to get the classname for
:type obj: object
:return: the classname
:rtype: str | [
"Returns",
"the",
"classname",
"of",
"the",
"JB_Object",
"Python",
"class",
"or",
"object",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/classes.py#L90-L105 |
1,626 | fracpete/python-weka-wrapper3 | python/weka/core/classes.py | is_instance_of | def is_instance_of(obj, class_or_intf_name):
"""
Checks whether the Java object implements the specified interface or is a subclass of the superclass.
:param obj: the Java object to check
:type obj: JB_Object
:param class_or_intf_name: the superclass or interface to check, dot notation or with forward slashes
:type class_or_intf_name: str
:return: true if either implements interface or subclass of superclass
:rtype: bool
"""
class_or_intf_name = class_or_intf_name.replace("/", ".")
classname = get_classname(obj)
# array? retrieve component type and check that
if is_array(obj):
jarray = JavaArray(jobject=obj)
classname = jarray.component_type()
result = javabridge.static_call(
"Lweka/core/InheritanceUtils;", "isSubclass",
"(Ljava/lang/String;Ljava/lang/String;)Z",
class_or_intf_name, classname)
if result:
return True
return javabridge.static_call(
"Lweka/core/InheritanceUtils;", "hasInterface",
"(Ljava/lang/String;Ljava/lang/String;)Z",
class_or_intf_name, classname) | python | def is_instance_of(obj, class_or_intf_name):
class_or_intf_name = class_or_intf_name.replace("/", ".")
classname = get_classname(obj)
# array? retrieve component type and check that
if is_array(obj):
jarray = JavaArray(jobject=obj)
classname = jarray.component_type()
result = javabridge.static_call(
"Lweka/core/InheritanceUtils;", "isSubclass",
"(Ljava/lang/String;Ljava/lang/String;)Z",
class_or_intf_name, classname)
if result:
return True
return javabridge.static_call(
"Lweka/core/InheritanceUtils;", "hasInterface",
"(Ljava/lang/String;Ljava/lang/String;)Z",
class_or_intf_name, classname) | [
"def",
"is_instance_of",
"(",
"obj",
",",
"class_or_intf_name",
")",
":",
"class_or_intf_name",
"=",
"class_or_intf_name",
".",
"replace",
"(",
"\"/\"",
",",
"\".\"",
")",
"classname",
"=",
"get_classname",
"(",
"obj",
")",
"# array? retrieve component type and check that",
"if",
"is_array",
"(",
"obj",
")",
":",
"jarray",
"=",
"JavaArray",
"(",
"jobject",
"=",
"obj",
")",
"classname",
"=",
"jarray",
".",
"component_type",
"(",
")",
"result",
"=",
"javabridge",
".",
"static_call",
"(",
"\"Lweka/core/InheritanceUtils;\"",
",",
"\"isSubclass\"",
",",
"\"(Ljava/lang/String;Ljava/lang/String;)Z\"",
",",
"class_or_intf_name",
",",
"classname",
")",
"if",
"result",
":",
"return",
"True",
"return",
"javabridge",
".",
"static_call",
"(",
"\"Lweka/core/InheritanceUtils;\"",
",",
"\"hasInterface\"",
",",
"\"(Ljava/lang/String;Ljava/lang/String;)Z\"",
",",
"class_or_intf_name",
",",
"classname",
")"
] | Checks whether the Java object implements the specified interface or is a subclass of the superclass.
:param obj: the Java object to check
:type obj: JB_Object
:param class_or_intf_name: the superclass or interface to check, dot notation or with forward slashes
:type class_or_intf_name: str
:return: true if either implements interface or subclass of superclass
:rtype: bool | [
"Checks",
"whether",
"the",
"Java",
"object",
"implements",
"the",
"specified",
"interface",
"or",
"is",
"a",
"subclass",
"of",
"the",
"superclass",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/classes.py#L108-L134 |
1,627 | fracpete/python-weka-wrapper3 | python/weka/core/classes.py | from_commandline | def from_commandline(cmdline, classname=None):
"""
Creates an OptionHandler based on the provided commandline string.
:param cmdline: the commandline string to use
:type cmdline: str
:param classname: the classname of the wrapper to return other than OptionHandler (in dot-notation)
:type classname: str
:return: the generated option handler instance
:rtype: object
"""
params = split_options(cmdline)
cls = params[0]
params = params[1:]
handler = OptionHandler(javabridge.static_call(
"Lweka/core/Utils;", "forName",
"(Ljava/lang/Class;Ljava/lang/String;[Ljava/lang/String;)Ljava/lang/Object;",
javabridge.class_for_name("java.lang.Object"), cls, params))
if classname is None:
return handler
else:
c = get_class(classname)
return c(jobject=handler.jobject) | python | def from_commandline(cmdline, classname=None):
params = split_options(cmdline)
cls = params[0]
params = params[1:]
handler = OptionHandler(javabridge.static_call(
"Lweka/core/Utils;", "forName",
"(Ljava/lang/Class;Ljava/lang/String;[Ljava/lang/String;)Ljava/lang/Object;",
javabridge.class_for_name("java.lang.Object"), cls, params))
if classname is None:
return handler
else:
c = get_class(classname)
return c(jobject=handler.jobject) | [
"def",
"from_commandline",
"(",
"cmdline",
",",
"classname",
"=",
"None",
")",
":",
"params",
"=",
"split_options",
"(",
"cmdline",
")",
"cls",
"=",
"params",
"[",
"0",
"]",
"params",
"=",
"params",
"[",
"1",
":",
"]",
"handler",
"=",
"OptionHandler",
"(",
"javabridge",
".",
"static_call",
"(",
"\"Lweka/core/Utils;\"",
",",
"\"forName\"",
",",
"\"(Ljava/lang/Class;Ljava/lang/String;[Ljava/lang/String;)Ljava/lang/Object;\"",
",",
"javabridge",
".",
"class_for_name",
"(",
"\"java.lang.Object\"",
")",
",",
"cls",
",",
"params",
")",
")",
"if",
"classname",
"is",
"None",
":",
"return",
"handler",
"else",
":",
"c",
"=",
"get_class",
"(",
"classname",
")",
"return",
"c",
"(",
"jobject",
"=",
"handler",
".",
"jobject",
")"
] | Creates an OptionHandler based on the provided commandline string.
:param cmdline: the commandline string to use
:type cmdline: str
:param classname: the classname of the wrapper to return other than OptionHandler (in dot-notation)
:type classname: str
:return: the generated option handler instance
:rtype: object | [
"Creates",
"an",
"OptionHandler",
"based",
"on",
"the",
"provided",
"commandline",
"string",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/classes.py#L1683-L1705 |
1,628 | fracpete/python-weka-wrapper3 | python/weka/core/classes.py | complete_classname | def complete_classname(classname):
"""
Attempts to complete a partial classname like '.J48' and returns the full
classname if a single match was found, otherwise an exception is raised.
:param classname: the partial classname to expand
:type classname: str
:return: the full classname
:rtype: str
"""
result = javabridge.get_collection_wrapper(
javabridge.static_call(
"Lweka/Run;", "findSchemeMatch",
"(Ljava/lang/String;Z)Ljava/util/List;",
classname, True))
if len(result) == 1:
return str(result[0])
elif len(result) == 0:
raise Exception("No classname matches found for: " + classname)
else:
matches = []
for i in range(len(result)):
matches.append(str(result[i]))
raise Exception("Found multiple matches for '" + classname + "':\n" + '\n'.join(matches)) | python | def complete_classname(classname):
result = javabridge.get_collection_wrapper(
javabridge.static_call(
"Lweka/Run;", "findSchemeMatch",
"(Ljava/lang/String;Z)Ljava/util/List;",
classname, True))
if len(result) == 1:
return str(result[0])
elif len(result) == 0:
raise Exception("No classname matches found for: " + classname)
else:
matches = []
for i in range(len(result)):
matches.append(str(result[i]))
raise Exception("Found multiple matches for '" + classname + "':\n" + '\n'.join(matches)) | [
"def",
"complete_classname",
"(",
"classname",
")",
":",
"result",
"=",
"javabridge",
".",
"get_collection_wrapper",
"(",
"javabridge",
".",
"static_call",
"(",
"\"Lweka/Run;\"",
",",
"\"findSchemeMatch\"",
",",
"\"(Ljava/lang/String;Z)Ljava/util/List;\"",
",",
"classname",
",",
"True",
")",
")",
"if",
"len",
"(",
"result",
")",
"==",
"1",
":",
"return",
"str",
"(",
"result",
"[",
"0",
"]",
")",
"elif",
"len",
"(",
"result",
")",
"==",
"0",
":",
"raise",
"Exception",
"(",
"\"No classname matches found for: \"",
"+",
"classname",
")",
"else",
":",
"matches",
"=",
"[",
"]",
"for",
"i",
"in",
"range",
"(",
"len",
"(",
"result",
")",
")",
":",
"matches",
".",
"append",
"(",
"str",
"(",
"result",
"[",
"i",
"]",
")",
")",
"raise",
"Exception",
"(",
"\"Found multiple matches for '\"",
"+",
"classname",
"+",
"\"':\\n\"",
"+",
"'\\n'",
".",
"join",
"(",
"matches",
")",
")"
] | Attempts to complete a partial classname like '.J48' and returns the full
classname if a single match was found, otherwise an exception is raised.
:param classname: the partial classname to expand
:type classname: str
:return: the full classname
:rtype: str | [
"Attempts",
"to",
"complete",
"a",
"partial",
"classname",
"like",
".",
"J48",
"and",
"returns",
"the",
"full",
"classname",
"if",
"a",
"single",
"match",
"was",
"found",
"otherwise",
"an",
"exception",
"is",
"raised",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/classes.py#L1708-L1732 |
1,629 | fracpete/python-weka-wrapper3 | python/weka/core/classes.py | JSONObject.to_json | def to_json(self):
"""
Returns the options as JSON.
:return: the object as string
:rtype: str
"""
return json.dumps(self.to_dict(), sort_keys=True, indent=2, separators=(',', ': ')) | python | def to_json(self):
return json.dumps(self.to_dict(), sort_keys=True, indent=2, separators=(',', ': ')) | [
"def",
"to_json",
"(",
"self",
")",
":",
"return",
"json",
".",
"dumps",
"(",
"self",
".",
"to_dict",
"(",
")",
",",
"sort_keys",
"=",
"True",
",",
"indent",
"=",
"2",
",",
"separators",
"=",
"(",
"','",
",",
"': '",
")",
")"
] | Returns the options as JSON.
:return: the object as string
:rtype: str | [
"Returns",
"the",
"options",
"as",
"JSON",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/classes.py#L250-L257 |
1,630 | fracpete/python-weka-wrapper3 | python/weka/core/classes.py | JSONObject.from_json | def from_json(cls, s):
"""
Restores the object from the given JSON.
:param s: the JSON string to parse
:type s: str
:return: the
"""
d = json.loads(s)
return get_dict_handler(d["type"])(d) | python | def from_json(cls, s):
d = json.loads(s)
return get_dict_handler(d["type"])(d) | [
"def",
"from_json",
"(",
"cls",
",",
"s",
")",
":",
"d",
"=",
"json",
".",
"loads",
"(",
"s",
")",
"return",
"get_dict_handler",
"(",
"d",
"[",
"\"type\"",
"]",
")",
"(",
"d",
")"
] | Restores the object from the given JSON.
:param s: the JSON string to parse
:type s: str
:return: the | [
"Restores",
"the",
"object",
"from",
"the",
"given",
"JSON",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/classes.py#L260-L269 |
1,631 | fracpete/python-weka-wrapper3 | python/weka/core/classes.py | Configurable.from_dict | def from_dict(cls, d):
"""
Restores its state from a dictionary, used in de-JSONification.
:param d: the object dictionary
:type d: dict
"""
conf = {}
for k in d["config"]:
v = d["config"][k]
if isinstance(v, dict):
conf[str(k)] = get_dict_handler(d["config"]["type"])(v)
else:
conf[str(k)] = v
return get_class(str(d["class"]))(config=conf) | python | def from_dict(cls, d):
conf = {}
for k in d["config"]:
v = d["config"][k]
if isinstance(v, dict):
conf[str(k)] = get_dict_handler(d["config"]["type"])(v)
else:
conf[str(k)] = v
return get_class(str(d["class"]))(config=conf) | [
"def",
"from_dict",
"(",
"cls",
",",
"d",
")",
":",
"conf",
"=",
"{",
"}",
"for",
"k",
"in",
"d",
"[",
"\"config\"",
"]",
":",
"v",
"=",
"d",
"[",
"\"config\"",
"]",
"[",
"k",
"]",
"if",
"isinstance",
"(",
"v",
",",
"dict",
")",
":",
"conf",
"[",
"str",
"(",
"k",
")",
"]",
"=",
"get_dict_handler",
"(",
"d",
"[",
"\"config\"",
"]",
"[",
"\"type\"",
"]",
")",
"(",
"v",
")",
"else",
":",
"conf",
"[",
"str",
"(",
"k",
")",
"]",
"=",
"v",
"return",
"get_class",
"(",
"str",
"(",
"d",
"[",
"\"class\"",
"]",
")",
")",
"(",
"config",
"=",
"conf",
")"
] | Restores its state from a dictionary, used in de-JSONification.
:param d: the object dictionary
:type d: dict | [
"Restores",
"its",
"state",
"from",
"a",
"dictionary",
"used",
"in",
"de",
"-",
"JSONification",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/classes.py#L372-L386 |
1,632 | fracpete/python-weka-wrapper3 | python/weka/core/classes.py | Configurable.logger | def logger(self):
"""
Returns the logger object.
:return: the logger
:rtype: logger
"""
if self._logger is None:
self._logger = self.new_logger()
return self._logger | python | def logger(self):
if self._logger is None:
self._logger = self.new_logger()
return self._logger | [
"def",
"logger",
"(",
"self",
")",
":",
"if",
"self",
".",
"_logger",
"is",
"None",
":",
"self",
".",
"_logger",
"=",
"self",
".",
"new_logger",
"(",
")",
"return",
"self",
".",
"_logger"
] | Returns the logger object.
:return: the logger
:rtype: logger | [
"Returns",
"the",
"logger",
"object",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/classes.py#L398-L407 |
1,633 | fracpete/python-weka-wrapper3 | python/weka/core/classes.py | Configurable.generate_help | def generate_help(self):
"""
Generates a help string for this actor.
:return: the help string
:rtype: str
"""
result = []
result.append(self.__class__.__name__)
result.append(re.sub(r'.', '=', self.__class__.__name__))
result.append("")
result.append("DESCRIPTION")
result.append(self.description())
result.append("")
result.append("OPTIONS")
opts = sorted(self.config.keys())
for opt in opts:
result.append(opt)
helpstr = self.help[opt]
if helpstr is None:
helpstr = "-missing help-"
result.append("\t" + helpstr)
result.append("")
return '\n'.join(result) | python | def generate_help(self):
result = []
result.append(self.__class__.__name__)
result.append(re.sub(r'.', '=', self.__class__.__name__))
result.append("")
result.append("DESCRIPTION")
result.append(self.description())
result.append("")
result.append("OPTIONS")
opts = sorted(self.config.keys())
for opt in opts:
result.append(opt)
helpstr = self.help[opt]
if helpstr is None:
helpstr = "-missing help-"
result.append("\t" + helpstr)
result.append("")
return '\n'.join(result) | [
"def",
"generate_help",
"(",
"self",
")",
":",
"result",
"=",
"[",
"]",
"result",
".",
"append",
"(",
"self",
".",
"__class__",
".",
"__name__",
")",
"result",
".",
"append",
"(",
"re",
".",
"sub",
"(",
"r'.'",
",",
"'='",
",",
"self",
".",
"__class__",
".",
"__name__",
")",
")",
"result",
".",
"append",
"(",
"\"\"",
")",
"result",
".",
"append",
"(",
"\"DESCRIPTION\"",
")",
"result",
".",
"append",
"(",
"self",
".",
"description",
"(",
")",
")",
"result",
".",
"append",
"(",
"\"\"",
")",
"result",
".",
"append",
"(",
"\"OPTIONS\"",
")",
"opts",
"=",
"sorted",
"(",
"self",
".",
"config",
".",
"keys",
"(",
")",
")",
"for",
"opt",
"in",
"opts",
":",
"result",
".",
"append",
"(",
"opt",
")",
"helpstr",
"=",
"self",
".",
"help",
"[",
"opt",
"]",
"if",
"helpstr",
"is",
"None",
":",
"helpstr",
"=",
"\"-missing help-\"",
"result",
".",
"append",
"(",
"\"\\t\"",
"+",
"helpstr",
")",
"result",
".",
"append",
"(",
"\"\"",
")",
"return",
"'\\n'",
".",
"join",
"(",
"result",
")"
] | Generates a help string for this actor.
:return: the help string
:rtype: str | [
"Generates",
"a",
"help",
"string",
"for",
"this",
"actor",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/classes.py#L419-L442 |
1,634 | fracpete/python-weka-wrapper3 | python/weka/core/classes.py | JavaObject.classname | def classname(self):
"""
Returns the Java classname in dot-notation.
:return: the Java classname
:rtype: str
"""
cls = javabridge.call(self.jobject, "getClass", "()Ljava/lang/Class;")
return javabridge.call(cls, "getName", "()Ljava/lang/String;") | python | def classname(self):
cls = javabridge.call(self.jobject, "getClass", "()Ljava/lang/Class;")
return javabridge.call(cls, "getName", "()Ljava/lang/String;") | [
"def",
"classname",
"(",
"self",
")",
":",
"cls",
"=",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"getClass\"",
",",
"\"()Ljava/lang/Class;\"",
")",
"return",
"javabridge",
".",
"call",
"(",
"cls",
",",
"\"getName\"",
",",
"\"()Ljava/lang/String;\"",
")"
] | Returns the Java classname in dot-notation.
:return: the Java classname
:rtype: str | [
"Returns",
"the",
"Java",
"classname",
"in",
"dot",
"-",
"notation",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/classes.py#L494-L502 |
1,635 | fracpete/python-weka-wrapper3 | python/weka/core/classes.py | JavaObject.enforce_type | def enforce_type(cls, jobject, intf_or_class):
"""
Raises an exception if the object does not implement the specified interface or is not a subclass.
:param jobject: the Java object to check
:type jobject: JB_Object
:param intf_or_class: the classname in Java notation (eg "weka.core.DenseInstance")
:type intf_or_class: str
"""
if not cls.check_type(jobject, intf_or_class):
raise TypeError("Object does not implement or subclass " + intf_or_class + ": " + get_classname(jobject)) | python | def enforce_type(cls, jobject, intf_or_class):
if not cls.check_type(jobject, intf_or_class):
raise TypeError("Object does not implement or subclass " + intf_or_class + ": " + get_classname(jobject)) | [
"def",
"enforce_type",
"(",
"cls",
",",
"jobject",
",",
"intf_or_class",
")",
":",
"if",
"not",
"cls",
".",
"check_type",
"(",
"jobject",
",",
"intf_or_class",
")",
":",
"raise",
"TypeError",
"(",
"\"Object does not implement or subclass \"",
"+",
"intf_or_class",
"+",
"\": \"",
"+",
"get_classname",
"(",
"jobject",
")",
")"
] | Raises an exception if the object does not implement the specified interface or is not a subclass.
:param jobject: the Java object to check
:type jobject: JB_Object
:param intf_or_class: the classname in Java notation (eg "weka.core.DenseInstance")
:type intf_or_class: str | [
"Raises",
"an",
"exception",
"if",
"the",
"object",
"does",
"not",
"implement",
"the",
"specified",
"interface",
"or",
"is",
"not",
"a",
"subclass",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/classes.py#L621-L631 |
1,636 | fracpete/python-weka-wrapper3 | python/weka/core/classes.py | JavaObject.new_instance | def new_instance(cls, classname):
"""
Creates a new object from the given classname using the default constructor, None in case of error.
:param classname: the classname in Java notation (eg "weka.core.DenseInstance")
:type classname: str
:return: the Java object
:rtype: JB_Object
"""
try:
return javabridge.static_call(
"Lweka/core/Utils;", "forName",
"(Ljava/lang/Class;Ljava/lang/String;[Ljava/lang/String;)Ljava/lang/Object;",
javabridge.class_for_name("java.lang.Object"), classname, [])
except JavaException as e:
print("Failed to instantiate " + classname + ": " + str(e))
return None | python | def new_instance(cls, classname):
try:
return javabridge.static_call(
"Lweka/core/Utils;", "forName",
"(Ljava/lang/Class;Ljava/lang/String;[Ljava/lang/String;)Ljava/lang/Object;",
javabridge.class_for_name("java.lang.Object"), classname, [])
except JavaException as e:
print("Failed to instantiate " + classname + ": " + str(e))
return None | [
"def",
"new_instance",
"(",
"cls",
",",
"classname",
")",
":",
"try",
":",
"return",
"javabridge",
".",
"static_call",
"(",
"\"Lweka/core/Utils;\"",
",",
"\"forName\"",
",",
"\"(Ljava/lang/Class;Ljava/lang/String;[Ljava/lang/String;)Ljava/lang/Object;\"",
",",
"javabridge",
".",
"class_for_name",
"(",
"\"java.lang.Object\"",
")",
",",
"classname",
",",
"[",
"]",
")",
"except",
"JavaException",
"as",
"e",
":",
"print",
"(",
"\"Failed to instantiate \"",
"+",
"classname",
"+",
"\": \"",
"+",
"str",
"(",
"e",
")",
")",
"return",
"None"
] | Creates a new object from the given classname using the default constructor, None in case of error.
:param classname: the classname in Java notation (eg "weka.core.DenseInstance")
:type classname: str
:return: the Java object
:rtype: JB_Object | [
"Creates",
"a",
"new",
"object",
"from",
"the",
"given",
"classname",
"using",
"the",
"default",
"constructor",
"None",
"in",
"case",
"of",
"error",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/classes.py#L634-L650 |
1,637 | fracpete/python-weka-wrapper3 | python/weka/core/classes.py | Environment.add_variable | def add_variable(self, key, value, system_wide=False):
"""
Adds the environment variable.
:param key: the name of the variable
:type key: str
:param value: the value
:type value: str
:param system_wide: whether to add the variable system wide
:type system_wide: bool
"""
if system_wide:
javabridge.call(self.jobject, "addVariableSystemWide", "(Ljava/lang/String;Ljava/lang/String;)V", key, value)
else:
javabridge.call(self.jobject, "addVariable", "(Ljava/lang/String;Ljava/lang/String;)V", key, value) | python | def add_variable(self, key, value, system_wide=False):
if system_wide:
javabridge.call(self.jobject, "addVariableSystemWide", "(Ljava/lang/String;Ljava/lang/String;)V", key, value)
else:
javabridge.call(self.jobject, "addVariable", "(Ljava/lang/String;Ljava/lang/String;)V", key, value) | [
"def",
"add_variable",
"(",
"self",
",",
"key",
",",
"value",
",",
"system_wide",
"=",
"False",
")",
":",
"if",
"system_wide",
":",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"addVariableSystemWide\"",
",",
"\"(Ljava/lang/String;Ljava/lang/String;)V\"",
",",
"key",
",",
"value",
")",
"else",
":",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"addVariable\"",
",",
"\"(Ljava/lang/String;Ljava/lang/String;)V\"",
",",
"key",
",",
"value",
")"
] | Adds the environment variable.
:param key: the name of the variable
:type key: str
:param value: the value
:type value: str
:param system_wide: whether to add the variable system wide
:type system_wide: bool | [
"Adds",
"the",
"environment",
"variable",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/classes.py#L671-L685 |
1,638 | fracpete/python-weka-wrapper3 | python/weka/core/classes.py | Environment.variable_names | def variable_names(self):
"""
Returns the names of all environment variables.
:return: the names of the variables
:rtype: list
"""
result = []
names = javabridge.call(self.jobject, "getVariableNames", "()Ljava/util/Set;")
for name in javabridge.iterate_collection(names):
result.append(javabridge.to_string(name))
return result | python | def variable_names(self):
result = []
names = javabridge.call(self.jobject, "getVariableNames", "()Ljava/util/Set;")
for name in javabridge.iterate_collection(names):
result.append(javabridge.to_string(name))
return result | [
"def",
"variable_names",
"(",
"self",
")",
":",
"result",
"=",
"[",
"]",
"names",
"=",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"getVariableNames\"",
",",
"\"()Ljava/util/Set;\"",
")",
"for",
"name",
"in",
"javabridge",
".",
"iterate_collection",
"(",
"names",
")",
":",
"result",
".",
"append",
"(",
"javabridge",
".",
"to_string",
"(",
"name",
")",
")",
"return",
"result"
] | Returns the names of all environment variables.
:return: the names of the variables
:rtype: list | [
"Returns",
"the",
"names",
"of",
"all",
"environment",
"variables",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/classes.py#L707-L718 |
1,639 | fracpete/python-weka-wrapper3 | python/weka/core/classes.py | JavaArray.component_type | def component_type(self):
"""
Returns the classname of the elements.
:return: the class of the elements
:rtype: str
"""
cls = javabridge.call(self.jobject, "getClass", "()Ljava/lang/Class;")
comptype = javabridge.call(cls, "getComponentType", "()Ljava/lang/Class;")
return javabridge.call(comptype, "getName", "()Ljava/lang/String;") | python | def component_type(self):
cls = javabridge.call(self.jobject, "getClass", "()Ljava/lang/Class;")
comptype = javabridge.call(cls, "getComponentType", "()Ljava/lang/Class;")
return javabridge.call(comptype, "getName", "()Ljava/lang/String;") | [
"def",
"component_type",
"(",
"self",
")",
":",
"cls",
"=",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"getClass\"",
",",
"\"()Ljava/lang/Class;\"",
")",
"comptype",
"=",
"javabridge",
".",
"call",
"(",
"cls",
",",
"\"getComponentType\"",
",",
"\"()Ljava/lang/Class;\"",
")",
"return",
"javabridge",
".",
"call",
"(",
"comptype",
",",
"\"getName\"",
",",
"\"()Ljava/lang/String;\"",
")"
] | Returns the classname of the elements.
:return: the class of the elements
:rtype: str | [
"Returns",
"the",
"classname",
"of",
"the",
"elements",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/classes.py#L843-L852 |
1,640 | fracpete/python-weka-wrapper3 | python/weka/core/classes.py | JavaArray.new_instance | def new_instance(cls, classname, length):
"""
Creates a new array with the given classname and length; initial values are null.
:param classname: the classname in Java notation (eg "weka.core.DenseInstance")
:type classname: str
:param length: the length of the array
:type length: int
:return: the Java array
:rtype: JB_Object
"""
return javabridge.static_call(
"Ljava/lang/reflect/Array;",
"newInstance",
"(Ljava/lang/Class;I)Ljava/lang/Object;",
get_jclass(classname=classname), length) | python | def new_instance(cls, classname, length):
return javabridge.static_call(
"Ljava/lang/reflect/Array;",
"newInstance",
"(Ljava/lang/Class;I)Ljava/lang/Object;",
get_jclass(classname=classname), length) | [
"def",
"new_instance",
"(",
"cls",
",",
"classname",
",",
"length",
")",
":",
"return",
"javabridge",
".",
"static_call",
"(",
"\"Ljava/lang/reflect/Array;\"",
",",
"\"newInstance\"",
",",
"\"(Ljava/lang/Class;I)Ljava/lang/Object;\"",
",",
"get_jclass",
"(",
"classname",
"=",
"classname",
")",
",",
"length",
")"
] | Creates a new array with the given classname and length; initial values are null.
:param classname: the classname in Java notation (eg "weka.core.DenseInstance")
:type classname: str
:param length: the length of the array
:type length: int
:return: the Java array
:rtype: JB_Object | [
"Creates",
"a",
"new",
"array",
"with",
"the",
"given",
"classname",
"and",
"length",
";",
"initial",
"values",
"are",
"null",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/classes.py#L855-L870 |
1,641 | fracpete/python-weka-wrapper3 | python/weka/core/classes.py | Enum.values | def values(self):
"""
Returns list of all enum members.
:return: all enum members
:rtype: list
"""
cls = javabridge.call(self.jobject, "getClass", "()Ljava/lang/Class;")
clsname = javabridge.call(cls, "getName", "()Ljava/lang/String;")
l = javabridge.static_call(clsname.replace(".", "/"), "values", "()[L" + clsname.replace(".", "/") + ";")
l = javabridge.get_env().get_object_array_elements(l)
result = []
for item in l:
result.append(Enum(jobject=item))
return result | python | def values(self):
cls = javabridge.call(self.jobject, "getClass", "()Ljava/lang/Class;")
clsname = javabridge.call(cls, "getName", "()Ljava/lang/String;")
l = javabridge.static_call(clsname.replace(".", "/"), "values", "()[L" + clsname.replace(".", "/") + ";")
l = javabridge.get_env().get_object_array_elements(l)
result = []
for item in l:
result.append(Enum(jobject=item))
return result | [
"def",
"values",
"(",
"self",
")",
":",
"cls",
"=",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"getClass\"",
",",
"\"()Ljava/lang/Class;\"",
")",
"clsname",
"=",
"javabridge",
".",
"call",
"(",
"cls",
",",
"\"getName\"",
",",
"\"()Ljava/lang/String;\"",
")",
"l",
"=",
"javabridge",
".",
"static_call",
"(",
"clsname",
".",
"replace",
"(",
"\".\"",
",",
"\"/\"",
")",
",",
"\"values\"",
",",
"\"()[L\"",
"+",
"clsname",
".",
"replace",
"(",
"\".\"",
",",
"\"/\"",
")",
"+",
"\";\"",
")",
"l",
"=",
"javabridge",
".",
"get_env",
"(",
")",
".",
"get_object_array_elements",
"(",
"l",
")",
"result",
"=",
"[",
"]",
"for",
"item",
"in",
"l",
":",
"result",
".",
"append",
"(",
"Enum",
"(",
"jobject",
"=",
"item",
")",
")",
"return",
"result"
] | Returns list of all enum members.
:return: all enum members
:rtype: list | [
"Returns",
"list",
"of",
"all",
"enum",
"members",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/classes.py#L918-L932 |
1,642 | fracpete/python-weka-wrapper3 | python/weka/core/classes.py | Random.next_int | def next_int(self, n=None):
"""
Next random integer. if n is provided, then between 0 and n-1.
:param n: the upper limit (minus 1) for the random integer
:type n: int
:return: the next random integer
:rtype: int
"""
if n is None:
return javabridge.call(self.jobject, "nextInt", "()I")
else:
return javabridge.call(self.jobject, "nextInt", "(I)I", n) | python | def next_int(self, n=None):
if n is None:
return javabridge.call(self.jobject, "nextInt", "()I")
else:
return javabridge.call(self.jobject, "nextInt", "(I)I", n) | [
"def",
"next_int",
"(",
"self",
",",
"n",
"=",
"None",
")",
":",
"if",
"n",
"is",
"None",
":",
"return",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"nextInt\"",
",",
"\"()I\"",
")",
"else",
":",
"return",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"nextInt\"",
",",
"\"(I)I\"",
",",
"n",
")"
] | Next random integer. if n is provided, then between 0 and n-1.
:param n: the upper limit (minus 1) for the random integer
:type n: int
:return: the next random integer
:rtype: int | [
"Next",
"random",
"integer",
".",
"if",
"n",
"is",
"provided",
"then",
"between",
"0",
"and",
"n",
"-",
"1",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/classes.py#L949-L961 |
1,643 | fracpete/python-weka-wrapper3 | python/weka/core/classes.py | OptionHandler.to_help | def to_help(self):
"""
Returns a string that contains the 'global_info' text and the options.
:return: the generated help string
:rtype: str
"""
result = []
result.append(self.classname)
result.append("=" * len(self.classname))
result.append("")
result.append("DESCRIPTION")
result.append("")
result.append(self.global_info())
result.append("")
result.append("OPTIONS")
result.append("")
options = javabridge.call(self.jobject, "listOptions", "()Ljava/util/Enumeration;")
enum = javabridge.get_enumeration_wrapper(options)
while enum.hasMoreElements():
opt = Option(enum.nextElement())
result.append(opt.synopsis)
result.append(opt.description)
result.append("")
return '\n'.join(result) | python | def to_help(self):
result = []
result.append(self.classname)
result.append("=" * len(self.classname))
result.append("")
result.append("DESCRIPTION")
result.append("")
result.append(self.global_info())
result.append("")
result.append("OPTIONS")
result.append("")
options = javabridge.call(self.jobject, "listOptions", "()Ljava/util/Enumeration;")
enum = javabridge.get_enumeration_wrapper(options)
while enum.hasMoreElements():
opt = Option(enum.nextElement())
result.append(opt.synopsis)
result.append(opt.description)
result.append("")
return '\n'.join(result) | [
"def",
"to_help",
"(",
"self",
")",
":",
"result",
"=",
"[",
"]",
"result",
".",
"append",
"(",
"self",
".",
"classname",
")",
"result",
".",
"append",
"(",
"\"=\"",
"*",
"len",
"(",
"self",
".",
"classname",
")",
")",
"result",
".",
"append",
"(",
"\"\"",
")",
"result",
".",
"append",
"(",
"\"DESCRIPTION\"",
")",
"result",
".",
"append",
"(",
"\"\"",
")",
"result",
".",
"append",
"(",
"self",
".",
"global_info",
"(",
")",
")",
"result",
".",
"append",
"(",
"\"\"",
")",
"result",
".",
"append",
"(",
"\"OPTIONS\"",
")",
"result",
".",
"append",
"(",
"\"\"",
")",
"options",
"=",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"listOptions\"",
",",
"\"()Ljava/util/Enumeration;\"",
")",
"enum",
"=",
"javabridge",
".",
"get_enumeration_wrapper",
"(",
"options",
")",
"while",
"enum",
".",
"hasMoreElements",
"(",
")",
":",
"opt",
"=",
"Option",
"(",
"enum",
".",
"nextElement",
"(",
")",
")",
"result",
".",
"append",
"(",
"opt",
".",
"synopsis",
")",
"result",
".",
"append",
"(",
"opt",
".",
"description",
")",
"result",
".",
"append",
"(",
"\"\"",
")",
"return",
"'\\n'",
".",
"join",
"(",
"result",
")"
] | Returns a string that contains the 'global_info' text and the options.
:return: the generated help string
:rtype: str | [
"Returns",
"a",
"string",
"that",
"contains",
"the",
"global_info",
"text",
"and",
"the",
"options",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/classes.py#L1112-L1136 |
1,644 | fracpete/python-weka-wrapper3 | python/weka/core/classes.py | Tags.find | def find(self, name):
"""
Returns the Tag that matches the name.
:param name: the string representation of the tag
:type name: str
:return: the tag, None if not found
:rtype: Tag
"""
result = None
for t in self.array:
if str(t) == name:
result = Tag(t.jobject)
break
return result | python | def find(self, name):
result = None
for t in self.array:
if str(t) == name:
result = Tag(t.jobject)
break
return result | [
"def",
"find",
"(",
"self",
",",
"name",
")",
":",
"result",
"=",
"None",
"for",
"t",
"in",
"self",
".",
"array",
":",
"if",
"str",
"(",
"t",
")",
"==",
"name",
":",
"result",
"=",
"Tag",
"(",
"t",
".",
"jobject",
")",
"break",
"return",
"result"
] | Returns the Tag that matches the name.
:param name: the string representation of the tag
:type name: str
:return: the tag, None if not found
:rtype: Tag | [
"Returns",
"the",
"Tag",
"that",
"matches",
"the",
"name",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/classes.py#L1471-L1485 |
1,645 | fracpete/python-weka-wrapper3 | python/weka/core/classes.py | Tags.get_object_tags | def get_object_tags(cls, javaobject, methodname):
"""
Instantiates the Tag array obtained from the object using the specified method name.
Example:
cls = Classifier(classname="weka.classifiers.meta.MultiSearch")
tags = Tags.get_object_tags(cls, "getMetricsTags")
:param javaobject: the javaobject to obtain the tags from
:type javaobject: JavaObject
:param methodname: the method name returning the Tag array
:type methodname: str
:return: the Tags objects
:rtype: Tags
"""
return Tags(jobject=javabridge.call(javaobject.jobject, methodname, "()[Lweka/core/Tag;")) | python | def get_object_tags(cls, javaobject, methodname):
return Tags(jobject=javabridge.call(javaobject.jobject, methodname, "()[Lweka/core/Tag;")) | [
"def",
"get_object_tags",
"(",
"cls",
",",
"javaobject",
",",
"methodname",
")",
":",
"return",
"Tags",
"(",
"jobject",
"=",
"javabridge",
".",
"call",
"(",
"javaobject",
".",
"jobject",
",",
"methodname",
",",
"\"()[Lweka/core/Tag;\"",
")",
")"
] | Instantiates the Tag array obtained from the object using the specified method name.
Example:
cls = Classifier(classname="weka.classifiers.meta.MultiSearch")
tags = Tags.get_object_tags(cls, "getMetricsTags")
:param javaobject: the javaobject to obtain the tags from
:type javaobject: JavaObject
:param methodname: the method name returning the Tag array
:type methodname: str
:return: the Tags objects
:rtype: Tags | [
"Instantiates",
"the",
"Tag",
"array",
"obtained",
"from",
"the",
"object",
"using",
"the",
"specified",
"method",
"name",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/classes.py#L1505-L1520 |
1,646 | fracpete/python-weka-wrapper3 | python/weka/core/classes.py | SelectedTag.tags | def tags(self):
"""
Returns the associated tags.
:return: the list of Tag objects
:rtype: list
"""
result = []
a = javabridge.call(self.jobject, "getTags", "()Lweka/core/Tag;]")
length = javabridge.get_env().get_array_length(a)
wrapped = javabridge.get_env().get_object_array_elements(a)
for i in range(length):
result.append(Tag(javabridge.get_env().get_string(wrapped[i])))
return result | python | def tags(self):
result = []
a = javabridge.call(self.jobject, "getTags", "()Lweka/core/Tag;]")
length = javabridge.get_env().get_array_length(a)
wrapped = javabridge.get_env().get_object_array_elements(a)
for i in range(length):
result.append(Tag(javabridge.get_env().get_string(wrapped[i])))
return result | [
"def",
"tags",
"(",
"self",
")",
":",
"result",
"=",
"[",
"]",
"a",
"=",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"getTags\"",
",",
"\"()Lweka/core/Tag;]\"",
")",
"length",
"=",
"javabridge",
".",
"get_env",
"(",
")",
".",
"get_array_length",
"(",
"a",
")",
"wrapped",
"=",
"javabridge",
".",
"get_env",
"(",
")",
".",
"get_object_array_elements",
"(",
"a",
")",
"for",
"i",
"in",
"range",
"(",
"length",
")",
":",
"result",
".",
"append",
"(",
"Tag",
"(",
"javabridge",
".",
"get_env",
"(",
")",
".",
"get_string",
"(",
"wrapped",
"[",
"i",
"]",
")",
")",
")",
"return",
"result"
] | Returns the associated tags.
:return: the list of Tag objects
:rtype: list | [
"Returns",
"the",
"associated",
"tags",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/classes.py#L1569-L1582 |
1,647 | fracpete/python-weka-wrapper3 | python/weka/core/classes.py | SetupGenerator.base_object | def base_object(self):
"""
Returns the base object to apply the setups to.
:return: the base object
:rtype: JavaObject or OptionHandler
"""
jobj = javabridge.call(self.jobject, "getBaseObject", "()Ljava/io/Serializable;")
if OptionHandler.check_type(jobj, "weka.core.OptionHandler"):
return OptionHandler(jobj)
else:
return JavaObject(jobj) | python | def base_object(self):
jobj = javabridge.call(self.jobject, "getBaseObject", "()Ljava/io/Serializable;")
if OptionHandler.check_type(jobj, "weka.core.OptionHandler"):
return OptionHandler(jobj)
else:
return JavaObject(jobj) | [
"def",
"base_object",
"(",
"self",
")",
":",
"jobj",
"=",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"getBaseObject\"",
",",
"\"()Ljava/io/Serializable;\"",
")",
"if",
"OptionHandler",
".",
"check_type",
"(",
"jobj",
",",
"\"weka.core.OptionHandler\"",
")",
":",
"return",
"OptionHandler",
"(",
"jobj",
")",
"else",
":",
"return",
"JavaObject",
"(",
"jobj",
")"
] | Returns the base object to apply the setups to.
:return: the base object
:rtype: JavaObject or OptionHandler | [
"Returns",
"the",
"base",
"object",
"to",
"apply",
"the",
"setups",
"to",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/classes.py#L1961-L1972 |
1,648 | fracpete/python-weka-wrapper3 | python/weka/core/classes.py | SetupGenerator.base_object | def base_object(self, obj):
"""
Sets the base object to apply the setups to.
:param obj: the object to use (must be serializable!)
:type obj: JavaObject
"""
if not obj.is_serializable:
raise Exception("Base object must be serializable: " + obj.classname)
javabridge.call(self.jobject, "setBaseObject", "(Ljava/io/Serializable;)V", obj.jobject) | python | def base_object(self, obj):
if not obj.is_serializable:
raise Exception("Base object must be serializable: " + obj.classname)
javabridge.call(self.jobject, "setBaseObject", "(Ljava/io/Serializable;)V", obj.jobject) | [
"def",
"base_object",
"(",
"self",
",",
"obj",
")",
":",
"if",
"not",
"obj",
".",
"is_serializable",
":",
"raise",
"Exception",
"(",
"\"Base object must be serializable: \"",
"+",
"obj",
".",
"classname",
")",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"setBaseObject\"",
",",
"\"(Ljava/io/Serializable;)V\"",
",",
"obj",
".",
"jobject",
")"
] | Sets the base object to apply the setups to.
:param obj: the object to use (must be serializable!)
:type obj: JavaObject | [
"Sets",
"the",
"base",
"object",
"to",
"apply",
"the",
"setups",
"to",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/classes.py#L1975-L1984 |
1,649 | fracpete/python-weka-wrapper3 | python/weka/core/classes.py | SetupGenerator.parameters | def parameters(self):
"""
Returns the list of currently set search parameters.
:return: the list of AbstractSearchParameter objects
:rtype: list
"""
array = JavaArray(javabridge.call(self.jobject, "getParameters", "()[Lweka/core/setupgenerator/AbstractParameter;"))
result = []
for item in array:
result.append(AbstractParameter(jobject=item.jobject))
return result | python | def parameters(self):
array = JavaArray(javabridge.call(self.jobject, "getParameters", "()[Lweka/core/setupgenerator/AbstractParameter;"))
result = []
for item in array:
result.append(AbstractParameter(jobject=item.jobject))
return result | [
"def",
"parameters",
"(",
"self",
")",
":",
"array",
"=",
"JavaArray",
"(",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"getParameters\"",
",",
"\"()[Lweka/core/setupgenerator/AbstractParameter;\"",
")",
")",
"result",
"=",
"[",
"]",
"for",
"item",
"in",
"array",
":",
"result",
".",
"append",
"(",
"AbstractParameter",
"(",
"jobject",
"=",
"item",
".",
"jobject",
")",
")",
"return",
"result"
] | Returns the list of currently set search parameters.
:return: the list of AbstractSearchParameter objects
:rtype: list | [
"Returns",
"the",
"list",
"of",
"currently",
"set",
"search",
"parameters",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/classes.py#L1987-L1998 |
1,650 | fracpete/python-weka-wrapper3 | python/weka/core/classes.py | SetupGenerator.parameters | def parameters(self, params):
"""
Sets the list of search parameters to use.
:param params: list of AbstractSearchParameter objects
:type params: list
"""
array = JavaArray(jobject=JavaArray.new_instance("weka.core.setupgenerator.AbstractParameter", len(params)))
for idx, obj in enumerate(params):
array[idx] = obj.jobject
javabridge.call(self.jobject, "setParameters", "([Lweka/core/setupgenerator/AbstractParameter;)V", array.jobject) | python | def parameters(self, params):
array = JavaArray(jobject=JavaArray.new_instance("weka.core.setupgenerator.AbstractParameter", len(params)))
for idx, obj in enumerate(params):
array[idx] = obj.jobject
javabridge.call(self.jobject, "setParameters", "([Lweka/core/setupgenerator/AbstractParameter;)V", array.jobject) | [
"def",
"parameters",
"(",
"self",
",",
"params",
")",
":",
"array",
"=",
"JavaArray",
"(",
"jobject",
"=",
"JavaArray",
".",
"new_instance",
"(",
"\"weka.core.setupgenerator.AbstractParameter\"",
",",
"len",
"(",
"params",
")",
")",
")",
"for",
"idx",
",",
"obj",
"in",
"enumerate",
"(",
"params",
")",
":",
"array",
"[",
"idx",
"]",
"=",
"obj",
".",
"jobject",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"setParameters\"",
",",
"\"([Lweka/core/setupgenerator/AbstractParameter;)V\"",
",",
"array",
".",
"jobject",
")"
] | Sets the list of search parameters to use.
:param params: list of AbstractSearchParameter objects
:type params: list | [
"Sets",
"the",
"list",
"of",
"search",
"parameters",
"to",
"use",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/classes.py#L2001-L2011 |
1,651 | fracpete/python-weka-wrapper3 | python/weka/core/classes.py | SetupGenerator.setups | def setups(self):
"""
Generates and returns all the setups according to the parameter search space.
:return: the list of configured objects (of type JavaObject)
:rtype: list
"""
result = []
has_options = self.base_object.is_optionhandler
enm = javabridge.get_enumeration_wrapper(javabridge.call(self.jobject, "setups", "()Ljava/util/Enumeration;"))
while enm.hasMoreElements():
if has_options:
result.append(OptionHandler(enm.nextElement()))
else:
result.append(JavaObject(enm.nextElement()))
return result | python | def setups(self):
result = []
has_options = self.base_object.is_optionhandler
enm = javabridge.get_enumeration_wrapper(javabridge.call(self.jobject, "setups", "()Ljava/util/Enumeration;"))
while enm.hasMoreElements():
if has_options:
result.append(OptionHandler(enm.nextElement()))
else:
result.append(JavaObject(enm.nextElement()))
return result | [
"def",
"setups",
"(",
"self",
")",
":",
"result",
"=",
"[",
"]",
"has_options",
"=",
"self",
".",
"base_object",
".",
"is_optionhandler",
"enm",
"=",
"javabridge",
".",
"get_enumeration_wrapper",
"(",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"setups\"",
",",
"\"()Ljava/util/Enumeration;\"",
")",
")",
"while",
"enm",
".",
"hasMoreElements",
"(",
")",
":",
"if",
"has_options",
":",
"result",
".",
"append",
"(",
"OptionHandler",
"(",
"enm",
".",
"nextElement",
"(",
")",
")",
")",
"else",
":",
"result",
".",
"append",
"(",
"JavaObject",
"(",
"enm",
".",
"nextElement",
"(",
")",
")",
")",
"return",
"result"
] | Generates and returns all the setups according to the parameter search space.
:return: the list of configured objects (of type JavaObject)
:rtype: list | [
"Generates",
"and",
"returns",
"all",
"the",
"setups",
"according",
"to",
"the",
"parameter",
"search",
"space",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/classes.py#L2013-L2028 |
1,652 | fracpete/python-weka-wrapper3 | python/weka/flow/base.py | Actor.unique_name | def unique_name(self, name):
"""
Generates a unique name.
:param name: the name to check
:type name: str
:return: the unique name
:rtype: str
"""
result = name
if self.parent is not None:
index = self.index
bname = re.sub(r'-[0-9]+$', '', name)
names = []
for idx, actor in enumerate(self.parent.actors):
if idx != index:
names.append(actor.name)
result = bname
count = 0
while result in names:
count += 1
result = bname + "-" + str(count)
return result | python | def unique_name(self, name):
result = name
if self.parent is not None:
index = self.index
bname = re.sub(r'-[0-9]+$', '', name)
names = []
for idx, actor in enumerate(self.parent.actors):
if idx != index:
names.append(actor.name)
result = bname
count = 0
while result in names:
count += 1
result = bname + "-" + str(count)
return result | [
"def",
"unique_name",
"(",
"self",
",",
"name",
")",
":",
"result",
"=",
"name",
"if",
"self",
".",
"parent",
"is",
"not",
"None",
":",
"index",
"=",
"self",
".",
"index",
"bname",
"=",
"re",
".",
"sub",
"(",
"r'-[0-9]+$'",
",",
"''",
",",
"name",
")",
"names",
"=",
"[",
"]",
"for",
"idx",
",",
"actor",
"in",
"enumerate",
"(",
"self",
".",
"parent",
".",
"actors",
")",
":",
"if",
"idx",
"!=",
"index",
":",
"names",
".",
"append",
"(",
"actor",
".",
"name",
")",
"result",
"=",
"bname",
"count",
"=",
"0",
"while",
"result",
"in",
"names",
":",
"count",
"+=",
"1",
"result",
"=",
"bname",
"+",
"\"-\"",
"+",
"str",
"(",
"count",
")",
"return",
"result"
] | Generates a unique name.
:param name: the name to check
:type name: str
:return: the unique name
:rtype: str | [
"Generates",
"a",
"unique",
"name",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/flow/base.py#L99-L123 |
1,653 | fracpete/python-weka-wrapper3 | python/weka/flow/base.py | Actor.parent | def parent(self, parent):
"""
Sets the parent of the actor.
:param parent: the parent
:type parent: Actor
"""
self._name = self.unique_name(self._name)
self._full_name = None
self._logger = None
self._parent = parent | python | def parent(self, parent):
self._name = self.unique_name(self._name)
self._full_name = None
self._logger = None
self._parent = parent | [
"def",
"parent",
"(",
"self",
",",
"parent",
")",
":",
"self",
".",
"_name",
"=",
"self",
".",
"unique_name",
"(",
"self",
".",
"_name",
")",
"self",
".",
"_full_name",
"=",
"None",
"self",
".",
"_logger",
"=",
"None",
"self",
".",
"_parent",
"=",
"parent"
] | Sets the parent of the actor.
:param parent: the parent
:type parent: Actor | [
"Sets",
"the",
"parent",
"of",
"the",
"actor",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/flow/base.py#L136-L146 |
1,654 | fracpete/python-weka-wrapper3 | python/weka/flow/base.py | Actor.full_name | def full_name(self):
"""
Obtains the full name of the actor.
:return: the full name
:rtype: str
"""
if self._full_name is None:
fn = self.name.replace(".", "\\.")
parent = self._parent
if parent is not None:
fn = parent.full_name + "." + fn
self._full_name = fn
return self._full_name | python | def full_name(self):
if self._full_name is None:
fn = self.name.replace(".", "\\.")
parent = self._parent
if parent is not None:
fn = parent.full_name + "." + fn
self._full_name = fn
return self._full_name | [
"def",
"full_name",
"(",
"self",
")",
":",
"if",
"self",
".",
"_full_name",
"is",
"None",
":",
"fn",
"=",
"self",
".",
"name",
".",
"replace",
"(",
"\".\"",
",",
"\"\\\\.\"",
")",
"parent",
"=",
"self",
".",
"_parent",
"if",
"parent",
"is",
"not",
"None",
":",
"fn",
"=",
"parent",
".",
"full_name",
"+",
"\".\"",
"+",
"fn",
"self",
".",
"_full_name",
"=",
"fn",
"return",
"self",
".",
"_full_name"
] | Obtains the full name of the actor.
:return: the full name
:rtype: str | [
"Obtains",
"the",
"full",
"name",
"of",
"the",
"actor",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/flow/base.py#L162-L176 |
1,655 | fracpete/python-weka-wrapper3 | python/weka/flow/base.py | Actor.storagehandler | def storagehandler(self):
"""
Returns the storage handler available to thise actor.
:return: the storage handler, None if not available
"""
if isinstance(self, StorageHandler):
return self
elif self.parent is not None:
return self.parent.storagehandler
else:
return None | python | def storagehandler(self):
if isinstance(self, StorageHandler):
return self
elif self.parent is not None:
return self.parent.storagehandler
else:
return None | [
"def",
"storagehandler",
"(",
"self",
")",
":",
"if",
"isinstance",
"(",
"self",
",",
"StorageHandler",
")",
":",
"return",
"self",
"elif",
"self",
".",
"parent",
"is",
"not",
"None",
":",
"return",
"self",
".",
"parent",
".",
"storagehandler",
"else",
":",
"return",
"None"
] | Returns the storage handler available to thise actor.
:return: the storage handler, None if not available | [
"Returns",
"the",
"storage",
"handler",
"available",
"to",
"thise",
"actor",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/flow/base.py#L294-L305 |
1,656 | fracpete/python-weka-wrapper3 | python/weka/flow/base.py | Actor.execute | def execute(self):
"""
Executes the actor.
:return: None if successful, otherwise error message
:rtype: str
"""
if self.skip:
return None
result = self.pre_execute()
if result is None:
try:
result = self.do_execute()
except Exception as e:
result = traceback.format_exc()
print(self.full_name + "\n" + result)
if result is None:
result = self.post_execute()
return result | python | def execute(self):
if self.skip:
return None
result = self.pre_execute()
if result is None:
try:
result = self.do_execute()
except Exception as e:
result = traceback.format_exc()
print(self.full_name + "\n" + result)
if result is None:
result = self.post_execute()
return result | [
"def",
"execute",
"(",
"self",
")",
":",
"if",
"self",
".",
"skip",
":",
"return",
"None",
"result",
"=",
"self",
".",
"pre_execute",
"(",
")",
"if",
"result",
"is",
"None",
":",
"try",
":",
"result",
"=",
"self",
".",
"do_execute",
"(",
")",
"except",
"Exception",
"as",
"e",
":",
"result",
"=",
"traceback",
".",
"format_exc",
"(",
")",
"print",
"(",
"self",
".",
"full_name",
"+",
"\"\\n\"",
"+",
"result",
")",
"if",
"result",
"is",
"None",
":",
"result",
"=",
"self",
".",
"post_execute",
"(",
")",
"return",
"result"
] | Executes the actor.
:return: None if successful, otherwise error message
:rtype: str | [
"Executes",
"the",
"actor",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/flow/base.py#L384-L403 |
1,657 | fracpete/python-weka-wrapper3 | python/weka/flow/control.py | ActorHandler.actors | def actors(self, actors):
"""
Sets the sub-actors of the actor.
:param actors: the sub-actors
:type actors: list
"""
if actors is None:
actors = self.default_actors()
self.check_actors(actors)
self.config["actors"] = actors | python | def actors(self, actors):
if actors is None:
actors = self.default_actors()
self.check_actors(actors)
self.config["actors"] = actors | [
"def",
"actors",
"(",
"self",
",",
"actors",
")",
":",
"if",
"actors",
"is",
"None",
":",
"actors",
"=",
"self",
".",
"default_actors",
"(",
")",
"self",
".",
"check_actors",
"(",
"actors",
")",
"self",
".",
"config",
"[",
"\"actors\"",
"]",
"=",
"actors"
] | Sets the sub-actors of the actor.
:param actors: the sub-actors
:type actors: list | [
"Sets",
"the",
"sub",
"-",
"actors",
"of",
"the",
"actor",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/flow/control.py#L139-L149 |
1,658 | fracpete/python-weka-wrapper3 | python/weka/flow/control.py | ActorHandler.active | def active(self):
"""
Returns the count of non-skipped actors.
:return: the count
:rtype: int
"""
result = 0
for actor in self.actors:
if not actor.skip:
result += 1
return result | python | def active(self):
result = 0
for actor in self.actors:
if not actor.skip:
result += 1
return result | [
"def",
"active",
"(",
"self",
")",
":",
"result",
"=",
"0",
"for",
"actor",
"in",
"self",
".",
"actors",
":",
"if",
"not",
"actor",
".",
"skip",
":",
"result",
"+=",
"1",
"return",
"result"
] | Returns the count of non-skipped actors.
:return: the count
:rtype: int | [
"Returns",
"the",
"count",
"of",
"non",
"-",
"skipped",
"actors",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/flow/control.py#L152-L163 |
1,659 | fracpete/python-weka-wrapper3 | python/weka/flow/control.py | ActorHandler.first_active | def first_active(self):
"""
Returns the first non-skipped actor.
:return: the first active actor, None if not available
:rtype: Actor
"""
result = None
for actor in self.actors:
if not actor.skip:
result = actor
break
return result | python | def first_active(self):
result = None
for actor in self.actors:
if not actor.skip:
result = actor
break
return result | [
"def",
"first_active",
"(",
"self",
")",
":",
"result",
"=",
"None",
"for",
"actor",
"in",
"self",
".",
"actors",
":",
"if",
"not",
"actor",
".",
"skip",
":",
"result",
"=",
"actor",
"break",
"return",
"result"
] | Returns the first non-skipped actor.
:return: the first active actor, None if not available
:rtype: Actor | [
"Returns",
"the",
"first",
"non",
"-",
"skipped",
"actor",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/flow/control.py#L166-L178 |
1,660 | fracpete/python-weka-wrapper3 | python/weka/flow/control.py | ActorHandler.last_active | def last_active(self):
"""
Returns the last non-skipped actor.
:return: the last active actor, None if not available
:rtype: Actor
"""
result = None
for actor in reversed(self.actors):
if not actor.skip:
result = actor
break
return result | python | def last_active(self):
result = None
for actor in reversed(self.actors):
if not actor.skip:
result = actor
break
return result | [
"def",
"last_active",
"(",
"self",
")",
":",
"result",
"=",
"None",
"for",
"actor",
"in",
"reversed",
"(",
"self",
".",
"actors",
")",
":",
"if",
"not",
"actor",
".",
"skip",
":",
"result",
"=",
"actor",
"break",
"return",
"result"
] | Returns the last non-skipped actor.
:return: the last active actor, None if not available
:rtype: Actor | [
"Returns",
"the",
"last",
"non",
"-",
"skipped",
"actor",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/flow/control.py#L181-L193 |
1,661 | fracpete/python-weka-wrapper3 | python/weka/flow/control.py | ActorHandler.index_of | def index_of(self, name):
"""
Returns the index of the actor with the given name.
:param name: the name of the Actor to find
:type name: str
:return: the index, -1 if not found
:rtype: int
"""
result = -1
for index, actor in enumerate(self.actors):
if actor.name == name:
result = index
break
return result | python | def index_of(self, name):
result = -1
for index, actor in enumerate(self.actors):
if actor.name == name:
result = index
break
return result | [
"def",
"index_of",
"(",
"self",
",",
"name",
")",
":",
"result",
"=",
"-",
"1",
"for",
"index",
",",
"actor",
"in",
"enumerate",
"(",
"self",
".",
"actors",
")",
":",
"if",
"actor",
".",
"name",
"==",
"name",
":",
"result",
"=",
"index",
"break",
"return",
"result"
] | Returns the index of the actor with the given name.
:param name: the name of the Actor to find
:type name: str
:return: the index, -1 if not found
:rtype: int | [
"Returns",
"the",
"index",
"of",
"the",
"actor",
"with",
"the",
"given",
"name",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/flow/control.py#L195-L209 |
1,662 | fracpete/python-weka-wrapper3 | python/weka/flow/control.py | ActorHandler.setup | def setup(self):
"""
Configures the actor before execution.
:return: None if successful, otherwise error message
:rtype: str
"""
result = super(ActorHandler, self).setup()
if result is None:
self.update_parent()
try:
self.check_actors(self.actors)
except Exception as e:
result = str(e)
if result is None:
for actor in self.actors:
name = actor.name
newname = actor.unique_name(actor.name)
if name != newname:
actor.name = newname
if result is None:
for actor in self.actors:
if actor.skip:
continue
result = actor.setup()
if result is not None:
break
if result is None:
result = self._director.setup()
return result | python | def setup(self):
result = super(ActorHandler, self).setup()
if result is None:
self.update_parent()
try:
self.check_actors(self.actors)
except Exception as e:
result = str(e)
if result is None:
for actor in self.actors:
name = actor.name
newname = actor.unique_name(actor.name)
if name != newname:
actor.name = newname
if result is None:
for actor in self.actors:
if actor.skip:
continue
result = actor.setup()
if result is not None:
break
if result is None:
result = self._director.setup()
return result | [
"def",
"setup",
"(",
"self",
")",
":",
"result",
"=",
"super",
"(",
"ActorHandler",
",",
"self",
")",
".",
"setup",
"(",
")",
"if",
"result",
"is",
"None",
":",
"self",
".",
"update_parent",
"(",
")",
"try",
":",
"self",
".",
"check_actors",
"(",
"self",
".",
"actors",
")",
"except",
"Exception",
"as",
"e",
":",
"result",
"=",
"str",
"(",
"e",
")",
"if",
"result",
"is",
"None",
":",
"for",
"actor",
"in",
"self",
".",
"actors",
":",
"name",
"=",
"actor",
".",
"name",
"newname",
"=",
"actor",
".",
"unique_name",
"(",
"actor",
".",
"name",
")",
"if",
"name",
"!=",
"newname",
":",
"actor",
".",
"name",
"=",
"newname",
"if",
"result",
"is",
"None",
":",
"for",
"actor",
"in",
"self",
".",
"actors",
":",
"if",
"actor",
".",
"skip",
":",
"continue",
"result",
"=",
"actor",
".",
"setup",
"(",
")",
"if",
"result",
"is",
"not",
"None",
":",
"break",
"if",
"result",
"is",
"None",
":",
"result",
"=",
"self",
".",
"_director",
".",
"setup",
"(",
")",
"return",
"result"
] | Configures the actor before execution.
:return: None if successful, otherwise error message
:rtype: str | [
"Configures",
"the",
"actor",
"before",
"execution",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/flow/control.py#L218-L247 |
1,663 | fracpete/python-weka-wrapper3 | python/weka/flow/control.py | ActorHandler.cleanup | def cleanup(self):
"""
Destructive finishing up after execution stopped.
"""
for actor in self.actors:
if actor.skip:
continue
actor.cleanup()
super(ActorHandler, self).cleanup() | python | def cleanup(self):
for actor in self.actors:
if actor.skip:
continue
actor.cleanup()
super(ActorHandler, self).cleanup() | [
"def",
"cleanup",
"(",
"self",
")",
":",
"for",
"actor",
"in",
"self",
".",
"actors",
":",
"if",
"actor",
".",
"skip",
":",
"continue",
"actor",
".",
"cleanup",
"(",
")",
"super",
"(",
"ActorHandler",
",",
"self",
")",
".",
"cleanup",
"(",
")"
] | Destructive finishing up after execution stopped. | [
"Destructive",
"finishing",
"up",
"after",
"execution",
"stopped",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/flow/control.py#L274-L282 |
1,664 | fracpete/python-weka-wrapper3 | python/weka/flow/control.py | Flow.load | def load(cls, fname):
"""
Loads the flow from a JSON file.
:param fname: the file to load
:type fname: str
:return: the flow
:rtype: Flow
"""
with open(fname) as f:
content = f.readlines()
return Flow.from_json(''.join(content)) | python | def load(cls, fname):
with open(fname) as f:
content = f.readlines()
return Flow.from_json(''.join(content)) | [
"def",
"load",
"(",
"cls",
",",
"fname",
")",
":",
"with",
"open",
"(",
"fname",
")",
"as",
"f",
":",
"content",
"=",
"f",
".",
"readlines",
"(",
")",
"return",
"Flow",
".",
"from_json",
"(",
"''",
".",
"join",
"(",
"content",
")",
")"
] | Loads the flow from a JSON file.
:param fname: the file to load
:type fname: str
:return: the flow
:rtype: Flow | [
"Loads",
"the",
"flow",
"from",
"a",
"JSON",
"file",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/flow/control.py#L695-L706 |
1,665 | fracpete/python-weka-wrapper3 | python/weka/flow/control.py | Sequence.new_director | def new_director(self):
"""
Creates the director to use for handling the sub-actors.
:return: the director instance
:rtype: Director
"""
result = SequentialDirector(self)
result.record_output = False
result.allow_source = False
return result | python | def new_director(self):
result = SequentialDirector(self)
result.record_output = False
result.allow_source = False
return result | [
"def",
"new_director",
"(",
"self",
")",
":",
"result",
"=",
"SequentialDirector",
"(",
"self",
")",
"result",
".",
"record_output",
"=",
"False",
"result",
".",
"allow_source",
"=",
"False",
"return",
"result"
] | Creates the director to use for handling the sub-actors.
:return: the director instance
:rtype: Director | [
"Creates",
"the",
"director",
"to",
"use",
"for",
"handling",
"the",
"sub",
"-",
"actors",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/flow/control.py#L756-L766 |
1,666 | fracpete/python-weka-wrapper3 | python/weka/flow/conversion.py | CommandlineToAny.check_input | def check_input(self, obj):
"""
Performs checks on the input object. Raises an exception if unsupported.
:param obj: the object to check
:type obj: object
"""
if isinstance(obj, str):
return
if isinstance(obj, unicode):
return
raise Exception("Unsupported class: " + self._input.__class__.__name__) | python | def check_input(self, obj):
if isinstance(obj, str):
return
if isinstance(obj, unicode):
return
raise Exception("Unsupported class: " + self._input.__class__.__name__) | [
"def",
"check_input",
"(",
"self",
",",
"obj",
")",
":",
"if",
"isinstance",
"(",
"obj",
",",
"str",
")",
":",
"return",
"if",
"isinstance",
"(",
"obj",
",",
"unicode",
")",
":",
"return",
"raise",
"Exception",
"(",
"\"Unsupported class: \"",
"+",
"self",
".",
"_input",
".",
"__class__",
".",
"__name__",
")"
] | Performs checks on the input object. Raises an exception if unsupported.
:param obj: the object to check
:type obj: object | [
"Performs",
"checks",
"on",
"the",
"input",
"object",
".",
"Raises",
"an",
"exception",
"if",
"unsupported",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/flow/conversion.py#L207-L218 |
1,667 | fracpete/python-weka-wrapper3 | python/weka/flow/conversion.py | CommandlineToAny.convert | def convert(self):
"""
Performs the actual conversion.
:return: None if successful, otherwise errors message
:rtype: str
"""
cname = str(self.config["wrapper"])
self._output = classes.from_commandline(self._input, classname=cname)
return None | python | def convert(self):
cname = str(self.config["wrapper"])
self._output = classes.from_commandline(self._input, classname=cname)
return None | [
"def",
"convert",
"(",
"self",
")",
":",
"cname",
"=",
"str",
"(",
"self",
".",
"config",
"[",
"\"wrapper\"",
"]",
")",
"self",
".",
"_output",
"=",
"classes",
".",
"from_commandline",
"(",
"self",
".",
"_input",
",",
"classname",
"=",
"cname",
")",
"return",
"None"
] | Performs the actual conversion.
:return: None if successful, otherwise errors message
:rtype: str | [
"Performs",
"the",
"actual",
"conversion",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/flow/conversion.py#L220-L229 |
1,668 | fracpete/python-weka-wrapper3 | python/weka/plot/experiments.py | plot_experiment | def plot_experiment(mat, title="Experiment", axes_swapped=False, measure="Statistic", show_stdev=False,
key_loc="lower right", outfile=None, wait=True):
"""
Plots the results from an experiment.
:param mat: the result matrix to plot
:type mat: ResultMatrix
:param title: the title for the experiment
:type title: str
:param axes_swapped: whether the axes whether swapped ("sets x cls" or "cls x sets")
:type axes_swapped: bool
:param measure: the measure that is being displayed
:type measure: str
:param show_stdev: whether to show the standard deviation as error bar
:type show_stdev: bool
:param key_loc: the location string for the key
:type key_loc: str
:param outfile: the output file, ignored if None
:type outfile: str
:param wait: whether to wait for the user to close the plot
:type wait: bool
"""
if not plot.matplotlib_available:
logger.error("Matplotlib is not installed, plotting unavailable!")
return
if not isinstance(mat, ResultMatrix):
logger.error("Need to supply a result matrix!")
return
fig, ax = plt.subplots()
if axes_swapped:
ax.set_xlabel(measure)
ax.set_ylabel("Classifiers")
else:
ax.set_xlabel("Classifiers")
ax.set_ylabel(measure)
ax.set_title(title)
fig.canvas.set_window_title(title)
ax.grid(True)
ticksx = []
ticks = []
inc = 1.0 / float(mat.columns)
for i in range(mat.columns):
ticksx.append((i + 0.5) * inc)
ticks.append("[" + str(i+1) + "]")
plt.xticks(ticksx, ticks)
plt.xlim([0.0, 1.0])
for r in range(mat.rows):
x = []
means = []
stdevs = []
for c in range(mat.columns):
mean = mat.get_mean(c, r)
stdev = mat.get_stdev(c, r)
if not math.isnan(mean):
x.append((c + 0.5) * inc)
means.append(mean)
if not math.isnan(stdev):
stdevs.append(stdev)
plot_label = mat.get_row_name(r)
if show_stdev:
ax.errorbar(x, means, yerr=stdevs, fmt='-o', ls="-", label=plot_label)
else:
ax.plot(x, means, "o-", label=plot_label)
plt.draw()
plt.legend(loc=key_loc, shadow=True)
if outfile is not None:
plt.savefig(outfile)
if wait:
plt.show() | python | def plot_experiment(mat, title="Experiment", axes_swapped=False, measure="Statistic", show_stdev=False,
key_loc="lower right", outfile=None, wait=True):
if not plot.matplotlib_available:
logger.error("Matplotlib is not installed, plotting unavailable!")
return
if not isinstance(mat, ResultMatrix):
logger.error("Need to supply a result matrix!")
return
fig, ax = plt.subplots()
if axes_swapped:
ax.set_xlabel(measure)
ax.set_ylabel("Classifiers")
else:
ax.set_xlabel("Classifiers")
ax.set_ylabel(measure)
ax.set_title(title)
fig.canvas.set_window_title(title)
ax.grid(True)
ticksx = []
ticks = []
inc = 1.0 / float(mat.columns)
for i in range(mat.columns):
ticksx.append((i + 0.5) * inc)
ticks.append("[" + str(i+1) + "]")
plt.xticks(ticksx, ticks)
plt.xlim([0.0, 1.0])
for r in range(mat.rows):
x = []
means = []
stdevs = []
for c in range(mat.columns):
mean = mat.get_mean(c, r)
stdev = mat.get_stdev(c, r)
if not math.isnan(mean):
x.append((c + 0.5) * inc)
means.append(mean)
if not math.isnan(stdev):
stdevs.append(stdev)
plot_label = mat.get_row_name(r)
if show_stdev:
ax.errorbar(x, means, yerr=stdevs, fmt='-o', ls="-", label=plot_label)
else:
ax.plot(x, means, "o-", label=plot_label)
plt.draw()
plt.legend(loc=key_loc, shadow=True)
if outfile is not None:
plt.savefig(outfile)
if wait:
plt.show() | [
"def",
"plot_experiment",
"(",
"mat",
",",
"title",
"=",
"\"Experiment\"",
",",
"axes_swapped",
"=",
"False",
",",
"measure",
"=",
"\"Statistic\"",
",",
"show_stdev",
"=",
"False",
",",
"key_loc",
"=",
"\"lower right\"",
",",
"outfile",
"=",
"None",
",",
"wait",
"=",
"True",
")",
":",
"if",
"not",
"plot",
".",
"matplotlib_available",
":",
"logger",
".",
"error",
"(",
"\"Matplotlib is not installed, plotting unavailable!\"",
")",
"return",
"if",
"not",
"isinstance",
"(",
"mat",
",",
"ResultMatrix",
")",
":",
"logger",
".",
"error",
"(",
"\"Need to supply a result matrix!\"",
")",
"return",
"fig",
",",
"ax",
"=",
"plt",
".",
"subplots",
"(",
")",
"if",
"axes_swapped",
":",
"ax",
".",
"set_xlabel",
"(",
"measure",
")",
"ax",
".",
"set_ylabel",
"(",
"\"Classifiers\"",
")",
"else",
":",
"ax",
".",
"set_xlabel",
"(",
"\"Classifiers\"",
")",
"ax",
".",
"set_ylabel",
"(",
"measure",
")",
"ax",
".",
"set_title",
"(",
"title",
")",
"fig",
".",
"canvas",
".",
"set_window_title",
"(",
"title",
")",
"ax",
".",
"grid",
"(",
"True",
")",
"ticksx",
"=",
"[",
"]",
"ticks",
"=",
"[",
"]",
"inc",
"=",
"1.0",
"/",
"float",
"(",
"mat",
".",
"columns",
")",
"for",
"i",
"in",
"range",
"(",
"mat",
".",
"columns",
")",
":",
"ticksx",
".",
"append",
"(",
"(",
"i",
"+",
"0.5",
")",
"*",
"inc",
")",
"ticks",
".",
"append",
"(",
"\"[\"",
"+",
"str",
"(",
"i",
"+",
"1",
")",
"+",
"\"]\"",
")",
"plt",
".",
"xticks",
"(",
"ticksx",
",",
"ticks",
")",
"plt",
".",
"xlim",
"(",
"[",
"0.0",
",",
"1.0",
"]",
")",
"for",
"r",
"in",
"range",
"(",
"mat",
".",
"rows",
")",
":",
"x",
"=",
"[",
"]",
"means",
"=",
"[",
"]",
"stdevs",
"=",
"[",
"]",
"for",
"c",
"in",
"range",
"(",
"mat",
".",
"columns",
")",
":",
"mean",
"=",
"mat",
".",
"get_mean",
"(",
"c",
",",
"r",
")",
"stdev",
"=",
"mat",
".",
"get_stdev",
"(",
"c",
",",
"r",
")",
"if",
"not",
"math",
".",
"isnan",
"(",
"mean",
")",
":",
"x",
".",
"append",
"(",
"(",
"c",
"+",
"0.5",
")",
"*",
"inc",
")",
"means",
".",
"append",
"(",
"mean",
")",
"if",
"not",
"math",
".",
"isnan",
"(",
"stdev",
")",
":",
"stdevs",
".",
"append",
"(",
"stdev",
")",
"plot_label",
"=",
"mat",
".",
"get_row_name",
"(",
"r",
")",
"if",
"show_stdev",
":",
"ax",
".",
"errorbar",
"(",
"x",
",",
"means",
",",
"yerr",
"=",
"stdevs",
",",
"fmt",
"=",
"'-o'",
",",
"ls",
"=",
"\"-\"",
",",
"label",
"=",
"plot_label",
")",
"else",
":",
"ax",
".",
"plot",
"(",
"x",
",",
"means",
",",
"\"o-\"",
",",
"label",
"=",
"plot_label",
")",
"plt",
".",
"draw",
"(",
")",
"plt",
".",
"legend",
"(",
"loc",
"=",
"key_loc",
",",
"shadow",
"=",
"True",
")",
"if",
"outfile",
"is",
"not",
"None",
":",
"plt",
".",
"savefig",
"(",
"outfile",
")",
"if",
"wait",
":",
"plt",
".",
"show",
"(",
")"
] | Plots the results from an experiment.
:param mat: the result matrix to plot
:type mat: ResultMatrix
:param title: the title for the experiment
:type title: str
:param axes_swapped: whether the axes whether swapped ("sets x cls" or "cls x sets")
:type axes_swapped: bool
:param measure: the measure that is being displayed
:type measure: str
:param show_stdev: whether to show the standard deviation as error bar
:type show_stdev: bool
:param key_loc: the location string for the key
:type key_loc: str
:param outfile: the output file, ignored if None
:type outfile: str
:param wait: whether to wait for the user to close the plot
:type wait: bool | [
"Plots",
"the",
"results",
"from",
"an",
"experiment",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/plot/experiments.py#L28-L99 |
1,669 | fracpete/python-weka-wrapper3 | python/weka/classifiers.py | predictions_to_instances | def predictions_to_instances(data, preds):
"""
Turns the predictions turned into an Instances object.
:param data: the original dataset format
:type data: Instances
:param preds: the predictions to convert
:type preds: list
:return: the predictions, None if no predictions present
:rtype: Instances
"""
if len(preds) == 0:
return None
is_numeric = isinstance(preds[0], NumericPrediction)
# create header
atts = []
if is_numeric:
atts.append(Attribute.create_numeric("index"))
atts.append(Attribute.create_numeric("weight"))
atts.append(Attribute.create_numeric("actual"))
atts.append(Attribute.create_numeric("predicted"))
atts.append(Attribute.create_numeric("error"))
else:
atts.append(Attribute.create_numeric("index"))
atts.append(Attribute.create_numeric("weight"))
atts.append(data.class_attribute.copy(name="actual"))
atts.append(data.class_attribute.copy(name="predicted"))
atts.append(Attribute.create_nominal("error", ["no", "yes"]))
atts.append(Attribute.create_numeric("classification"))
for i in range(data.class_attribute.num_values):
atts.append(Attribute.create_numeric("distribution-" + data.class_attribute.value(i)))
result = Instances.create_instances("Predictions", atts, len(preds))
count = 0
for pred in preds:
count += 1
if is_numeric:
values = array([count, pred.weight, pred.actual, pred.predicted, pred.error])
else:
if pred.actual == pred.predicted:
error = 0.0
else:
error = 1.0
l = [count, pred.weight, pred.actual, pred.predicted, error, max(pred.distribution)]
for i in range(data.class_attribute.num_values):
l.append(pred.distribution[i])
values = array(l)
inst = Instance.create_instance(values)
result.add_instance(inst)
return result | python | def predictions_to_instances(data, preds):
if len(preds) == 0:
return None
is_numeric = isinstance(preds[0], NumericPrediction)
# create header
atts = []
if is_numeric:
atts.append(Attribute.create_numeric("index"))
atts.append(Attribute.create_numeric("weight"))
atts.append(Attribute.create_numeric("actual"))
atts.append(Attribute.create_numeric("predicted"))
atts.append(Attribute.create_numeric("error"))
else:
atts.append(Attribute.create_numeric("index"))
atts.append(Attribute.create_numeric("weight"))
atts.append(data.class_attribute.copy(name="actual"))
atts.append(data.class_attribute.copy(name="predicted"))
atts.append(Attribute.create_nominal("error", ["no", "yes"]))
atts.append(Attribute.create_numeric("classification"))
for i in range(data.class_attribute.num_values):
atts.append(Attribute.create_numeric("distribution-" + data.class_attribute.value(i)))
result = Instances.create_instances("Predictions", atts, len(preds))
count = 0
for pred in preds:
count += 1
if is_numeric:
values = array([count, pred.weight, pred.actual, pred.predicted, pred.error])
else:
if pred.actual == pred.predicted:
error = 0.0
else:
error = 1.0
l = [count, pred.weight, pred.actual, pred.predicted, error, max(pred.distribution)]
for i in range(data.class_attribute.num_values):
l.append(pred.distribution[i])
values = array(l)
inst = Instance.create_instance(values)
result.add_instance(inst)
return result | [
"def",
"predictions_to_instances",
"(",
"data",
",",
"preds",
")",
":",
"if",
"len",
"(",
"preds",
")",
"==",
"0",
":",
"return",
"None",
"is_numeric",
"=",
"isinstance",
"(",
"preds",
"[",
"0",
"]",
",",
"NumericPrediction",
")",
"# create header",
"atts",
"=",
"[",
"]",
"if",
"is_numeric",
":",
"atts",
".",
"append",
"(",
"Attribute",
".",
"create_numeric",
"(",
"\"index\"",
")",
")",
"atts",
".",
"append",
"(",
"Attribute",
".",
"create_numeric",
"(",
"\"weight\"",
")",
")",
"atts",
".",
"append",
"(",
"Attribute",
".",
"create_numeric",
"(",
"\"actual\"",
")",
")",
"atts",
".",
"append",
"(",
"Attribute",
".",
"create_numeric",
"(",
"\"predicted\"",
")",
")",
"atts",
".",
"append",
"(",
"Attribute",
".",
"create_numeric",
"(",
"\"error\"",
")",
")",
"else",
":",
"atts",
".",
"append",
"(",
"Attribute",
".",
"create_numeric",
"(",
"\"index\"",
")",
")",
"atts",
".",
"append",
"(",
"Attribute",
".",
"create_numeric",
"(",
"\"weight\"",
")",
")",
"atts",
".",
"append",
"(",
"data",
".",
"class_attribute",
".",
"copy",
"(",
"name",
"=",
"\"actual\"",
")",
")",
"atts",
".",
"append",
"(",
"data",
".",
"class_attribute",
".",
"copy",
"(",
"name",
"=",
"\"predicted\"",
")",
")",
"atts",
".",
"append",
"(",
"Attribute",
".",
"create_nominal",
"(",
"\"error\"",
",",
"[",
"\"no\"",
",",
"\"yes\"",
"]",
")",
")",
"atts",
".",
"append",
"(",
"Attribute",
".",
"create_numeric",
"(",
"\"classification\"",
")",
")",
"for",
"i",
"in",
"range",
"(",
"data",
".",
"class_attribute",
".",
"num_values",
")",
":",
"atts",
".",
"append",
"(",
"Attribute",
".",
"create_numeric",
"(",
"\"distribution-\"",
"+",
"data",
".",
"class_attribute",
".",
"value",
"(",
"i",
")",
")",
")",
"result",
"=",
"Instances",
".",
"create_instances",
"(",
"\"Predictions\"",
",",
"atts",
",",
"len",
"(",
"preds",
")",
")",
"count",
"=",
"0",
"for",
"pred",
"in",
"preds",
":",
"count",
"+=",
"1",
"if",
"is_numeric",
":",
"values",
"=",
"array",
"(",
"[",
"count",
",",
"pred",
".",
"weight",
",",
"pred",
".",
"actual",
",",
"pred",
".",
"predicted",
",",
"pred",
".",
"error",
"]",
")",
"else",
":",
"if",
"pred",
".",
"actual",
"==",
"pred",
".",
"predicted",
":",
"error",
"=",
"0.0",
"else",
":",
"error",
"=",
"1.0",
"l",
"=",
"[",
"count",
",",
"pred",
".",
"weight",
",",
"pred",
".",
"actual",
",",
"pred",
".",
"predicted",
",",
"error",
",",
"max",
"(",
"pred",
".",
"distribution",
")",
"]",
"for",
"i",
"in",
"range",
"(",
"data",
".",
"class_attribute",
".",
"num_values",
")",
":",
"l",
".",
"append",
"(",
"pred",
".",
"distribution",
"[",
"i",
"]",
")",
"values",
"=",
"array",
"(",
"l",
")",
"inst",
"=",
"Instance",
".",
"create_instance",
"(",
"values",
")",
"result",
".",
"add_instance",
"(",
"inst",
")",
"return",
"result"
] | Turns the predictions turned into an Instances object.
:param data: the original dataset format
:type data: Instances
:param preds: the predictions to convert
:type preds: list
:return: the predictions, None if no predictions present
:rtype: Instances | [
"Turns",
"the",
"predictions",
"turned",
"into",
"an",
"Instances",
"object",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/classifiers.py#L2061-L2114 |
1,670 | fracpete/python-weka-wrapper3 | python/weka/classifiers.py | Classifier.batch_size | def batch_size(self, size):
"""
Sets the batch size, in case this classifier is a batch predictor.
:param size: the size of the batch
:type size: str
"""
if self.is_batchpredictor:
javabridge.call(self.jobject, "setBatchSize", "(Ljava/lang/String;)V", size) | python | def batch_size(self, size):
if self.is_batchpredictor:
javabridge.call(self.jobject, "setBatchSize", "(Ljava/lang/String;)V", size) | [
"def",
"batch_size",
"(",
"self",
",",
"size",
")",
":",
"if",
"self",
".",
"is_batchpredictor",
":",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"setBatchSize\"",
",",
"\"(Ljava/lang/String;)V\"",
",",
"size",
")"
] | Sets the batch size, in case this classifier is a batch predictor.
:param size: the size of the batch
:type size: str | [
"Sets",
"the",
"batch",
"size",
"in",
"case",
"this",
"classifier",
"is",
"a",
"batch",
"predictor",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/classifiers.py#L148-L156 |
1,671 | fracpete/python-weka-wrapper3 | python/weka/classifiers.py | Classifier.to_source | def to_source(self, classname):
"""
Returns the model as Java source code if the classifier implements weka.classifiers.Sourcable.
:param classname: the classname for the generated Java code
:type classname: str
:return: the model as source code string
:rtype: str
"""
if not self.check_type(self.jobject, "weka.classifiers.Sourcable"):
return None
return javabridge.call(self.jobject, "toSource", "(Ljava/lang/String;)Ljava/lang/String;", classname) | python | def to_source(self, classname):
if not self.check_type(self.jobject, "weka.classifiers.Sourcable"):
return None
return javabridge.call(self.jobject, "toSource", "(Ljava/lang/String;)Ljava/lang/String;", classname) | [
"def",
"to_source",
"(",
"self",
",",
"classname",
")",
":",
"if",
"not",
"self",
".",
"check_type",
"(",
"self",
".",
"jobject",
",",
"\"weka.classifiers.Sourcable\"",
")",
":",
"return",
"None",
"return",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"toSource\"",
",",
"\"(Ljava/lang/String;)Ljava/lang/String;\"",
",",
"classname",
")"
] | Returns the model as Java source code if the classifier implements weka.classifiers.Sourcable.
:param classname: the classname for the generated Java code
:type classname: str
:return: the model as source code string
:rtype: str | [
"Returns",
"the",
"model",
"as",
"Java",
"source",
"code",
"if",
"the",
"classifier",
"implements",
"weka",
".",
"classifiers",
".",
"Sourcable",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/classifiers.py#L196-L207 |
1,672 | fracpete/python-weka-wrapper3 | python/weka/classifiers.py | GridSearch.evaluation | def evaluation(self, evl):
"""
Sets the statistic to use for evaluation.
:param evl: the statistic
:type evl: SelectedTag, Tag or str
"""
if isinstance(evl, str):
evl = self.tags_evaluation.find(evl)
if isinstance(evl, Tag):
evl = SelectedTag(tag_id=evl.ident, tags=self.tags_evaluation)
javabridge.call(self.jobject, "setEvaluation", "(Lweka/core/SelectedTag;)V", evl.jobject) | python | def evaluation(self, evl):
if isinstance(evl, str):
evl = self.tags_evaluation.find(evl)
if isinstance(evl, Tag):
evl = SelectedTag(tag_id=evl.ident, tags=self.tags_evaluation)
javabridge.call(self.jobject, "setEvaluation", "(Lweka/core/SelectedTag;)V", evl.jobject) | [
"def",
"evaluation",
"(",
"self",
",",
"evl",
")",
":",
"if",
"isinstance",
"(",
"evl",
",",
"str",
")",
":",
"evl",
"=",
"self",
".",
"tags_evaluation",
".",
"find",
"(",
"evl",
")",
"if",
"isinstance",
"(",
"evl",
",",
"Tag",
")",
":",
"evl",
"=",
"SelectedTag",
"(",
"tag_id",
"=",
"evl",
".",
"ident",
",",
"tags",
"=",
"self",
".",
"tags_evaluation",
")",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"setEvaluation\"",
",",
"\"(Lweka/core/SelectedTag;)V\"",
",",
"evl",
".",
"jobject",
")"
] | Sets the statistic to use for evaluation.
:param evl: the statistic
:type evl: SelectedTag, Tag or str | [
"Sets",
"the",
"statistic",
"to",
"use",
"for",
"evaluation",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/classifiers.py#L355-L366 |
1,673 | fracpete/python-weka-wrapper3 | python/weka/classifiers.py | MultipleClassifiersCombiner.classifiers | def classifiers(self):
"""
Returns the list of base classifiers.
:return: the classifier list
:rtype: list
"""
objects = javabridge.get_env().get_object_array_elements(
javabridge.call(self.jobject, "getClassifiers", "()[Lweka/classifiers/Classifier;"))
result = []
for obj in objects:
result.append(Classifier(jobject=obj))
return result | python | def classifiers(self):
objects = javabridge.get_env().get_object_array_elements(
javabridge.call(self.jobject, "getClassifiers", "()[Lweka/classifiers/Classifier;"))
result = []
for obj in objects:
result.append(Classifier(jobject=obj))
return result | [
"def",
"classifiers",
"(",
"self",
")",
":",
"objects",
"=",
"javabridge",
".",
"get_env",
"(",
")",
".",
"get_object_array_elements",
"(",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"getClassifiers\"",
",",
"\"()[Lweka/classifiers/Classifier;\"",
")",
")",
"result",
"=",
"[",
"]",
"for",
"obj",
"in",
"objects",
":",
"result",
".",
"append",
"(",
"Classifier",
"(",
"jobject",
"=",
"obj",
")",
")",
"return",
"result"
] | Returns the list of base classifiers.
:return: the classifier list
:rtype: list | [
"Returns",
"the",
"list",
"of",
"base",
"classifiers",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/classifiers.py#L573-L585 |
1,674 | fracpete/python-weka-wrapper3 | python/weka/classifiers.py | MultipleClassifiersCombiner.classifiers | def classifiers(self, classifiers):
"""
Sets the base classifiers.
:param classifiers: the list of base classifiers to use
:type classifiers: list
"""
obj = []
for classifier in classifiers:
obj.append(classifier.jobject)
javabridge.call(self.jobject, "setClassifiers", "([Lweka/classifiers/Classifier;)V", obj) | python | def classifiers(self, classifiers):
obj = []
for classifier in classifiers:
obj.append(classifier.jobject)
javabridge.call(self.jobject, "setClassifiers", "([Lweka/classifiers/Classifier;)V", obj) | [
"def",
"classifiers",
"(",
"self",
",",
"classifiers",
")",
":",
"obj",
"=",
"[",
"]",
"for",
"classifier",
"in",
"classifiers",
":",
"obj",
".",
"append",
"(",
"classifier",
".",
"jobject",
")",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"setClassifiers\"",
",",
"\"([Lweka/classifiers/Classifier;)V\"",
",",
"obj",
")"
] | Sets the base classifiers.
:param classifiers: the list of base classifiers to use
:type classifiers: list | [
"Sets",
"the",
"base",
"classifiers",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/classifiers.py#L588-L598 |
1,675 | fracpete/python-weka-wrapper3 | python/weka/classifiers.py | Kernel.eval | def eval(self, id1, id2, inst1):
"""
Computes the result of the kernel function for two instances. If id1 == -1, eval use inst1 instead of an
instance in the dataset.
:param id1: the index of the first instance in the dataset
:type id1: int
:param id2: the index of the second instance in the dataset
:type id2: int
:param inst1: the instance corresponding to id1 (used if id1 == -1)
:type inst1: Instance
"""
jinst1 = None
if inst1 is not None:
jinst1 = inst1.jobject
return javabridge.call(self.jobject, "eval", "(IILweka/core/Instance;)D", id1, id2, jinst1) | python | def eval(self, id1, id2, inst1):
jinst1 = None
if inst1 is not None:
jinst1 = inst1.jobject
return javabridge.call(self.jobject, "eval", "(IILweka/core/Instance;)D", id1, id2, jinst1) | [
"def",
"eval",
"(",
"self",
",",
"id1",
",",
"id2",
",",
"inst1",
")",
":",
"jinst1",
"=",
"None",
"if",
"inst1",
"is",
"not",
"None",
":",
"jinst1",
"=",
"inst1",
".",
"jobject",
"return",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"eval\"",
",",
"\"(IILweka/core/Instance;)D\"",
",",
"id1",
",",
"id2",
",",
"jinst1",
")"
] | Computes the result of the kernel function for two instances. If id1 == -1, eval use inst1 instead of an
instance in the dataset.
:param id1: the index of the first instance in the dataset
:type id1: int
:param id2: the index of the second instance in the dataset
:type id2: int
:param inst1: the instance corresponding to id1 (used if id1 == -1)
:type inst1: Instance | [
"Computes",
"the",
"result",
"of",
"the",
"kernel",
"function",
"for",
"two",
"instances",
".",
"If",
"id1",
"==",
"-",
"1",
"eval",
"use",
"inst1",
"instead",
"of",
"an",
"instance",
"in",
"the",
"dataset",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/classifiers.py#L666-L681 |
1,676 | fracpete/python-weka-wrapper3 | python/weka/classifiers.py | KernelClassifier.kernel | def kernel(self):
"""
Returns the current kernel.
:return: the kernel or None if none found
:rtype: Kernel
"""
result = javabridge.static_call(
"weka/classifiers/KernelHelper", "getKernel",
"(Ljava/lang/Object;)Lweka/classifiers/functions/supportVector/Kernel;",
self.jobject)
if result is None:
return None
else:
return Kernel(jobject=result) | python | def kernel(self):
result = javabridge.static_call(
"weka/classifiers/KernelHelper", "getKernel",
"(Ljava/lang/Object;)Lweka/classifiers/functions/supportVector/Kernel;",
self.jobject)
if result is None:
return None
else:
return Kernel(jobject=result) | [
"def",
"kernel",
"(",
"self",
")",
":",
"result",
"=",
"javabridge",
".",
"static_call",
"(",
"\"weka/classifiers/KernelHelper\"",
",",
"\"getKernel\"",
",",
"\"(Ljava/lang/Object;)Lweka/classifiers/functions/supportVector/Kernel;\"",
",",
"self",
".",
"jobject",
")",
"if",
"result",
"is",
"None",
":",
"return",
"None",
"else",
":",
"return",
"Kernel",
"(",
"jobject",
"=",
"result",
")"
] | Returns the current kernel.
:return: the kernel or None if none found
:rtype: Kernel | [
"Returns",
"the",
"current",
"kernel",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/classifiers.py#L727-L741 |
1,677 | fracpete/python-weka-wrapper3 | python/weka/classifiers.py | KernelClassifier.kernel | def kernel(self, kernel):
"""
Sets the kernel.
:param kernel: the kernel to set
:type kernel: Kernel
"""
result = javabridge.static_call(
"weka/classifiers/KernelHelper", "setKernel",
"(Ljava/lang/Object;Lweka/classifiers/functions/supportVector/Kernel;)Z",
self.jobject, kernel.jobject)
if not result:
raise Exception("Failed to set kernel!") | python | def kernel(self, kernel):
result = javabridge.static_call(
"weka/classifiers/KernelHelper", "setKernel",
"(Ljava/lang/Object;Lweka/classifiers/functions/supportVector/Kernel;)Z",
self.jobject, kernel.jobject)
if not result:
raise Exception("Failed to set kernel!") | [
"def",
"kernel",
"(",
"self",
",",
"kernel",
")",
":",
"result",
"=",
"javabridge",
".",
"static_call",
"(",
"\"weka/classifiers/KernelHelper\"",
",",
"\"setKernel\"",
",",
"\"(Ljava/lang/Object;Lweka/classifiers/functions/supportVector/Kernel;)Z\"",
",",
"self",
".",
"jobject",
",",
"kernel",
".",
"jobject",
")",
"if",
"not",
"result",
":",
"raise",
"Exception",
"(",
"\"Failed to set kernel!\"",
")"
] | Sets the kernel.
:param kernel: the kernel to set
:type kernel: Kernel | [
"Sets",
"the",
"kernel",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/classifiers.py#L744-L756 |
1,678 | fracpete/python-weka-wrapper3 | python/weka/classifiers.py | CostMatrix.apply_cost_matrix | def apply_cost_matrix(self, data, rnd):
"""
Applies the cost matrix to the data.
:param data: the data to apply to
:type data: Instances
:param rnd: the random number generator
:type rnd: Random
"""
return Instances(
javabridge.call(
self.jobject, "applyCostMatrix", "(Lweka/core/Instances;Ljava/util/Random;)Lweka/core/Instances;",
data.jobject, rnd.jobject)) | python | def apply_cost_matrix(self, data, rnd):
return Instances(
javabridge.call(
self.jobject, "applyCostMatrix", "(Lweka/core/Instances;Ljava/util/Random;)Lweka/core/Instances;",
data.jobject, rnd.jobject)) | [
"def",
"apply_cost_matrix",
"(",
"self",
",",
"data",
",",
"rnd",
")",
":",
"return",
"Instances",
"(",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"applyCostMatrix\"",
",",
"\"(Lweka/core/Instances;Ljava/util/Random;)Lweka/core/Instances;\"",
",",
"data",
".",
"jobject",
",",
"rnd",
".",
"jobject",
")",
")"
] | Applies the cost matrix to the data.
:param data: the data to apply to
:type data: Instances
:param rnd: the random number generator
:type rnd: Random | [
"Applies",
"the",
"cost",
"matrix",
"to",
"the",
"data",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/classifiers.py#L924-L936 |
1,679 | fracpete/python-weka-wrapper3 | python/weka/classifiers.py | CostMatrix.expected_costs | def expected_costs(self, class_probs, inst=None):
"""
Calculates the expected misclassification cost for each possible class value, given class probability
estimates.
:param class_probs: the class probabilities
:type class_probs: ndarray
:return: the calculated costs
:rtype: ndarray
"""
if inst is None:
costs = javabridge.call(
self.jobject, "expectedCosts", "([D)[D", javabridge.get_env().make_double_array(class_probs))
return javabridge.get_env().get_double_array_elements(costs)
else:
costs = javabridge.call(
self.jobject, "expectedCosts", "([DLweka/core/Instance;)[D",
javabridge.get_env().make_double_array(class_probs), inst.jobject)
return javabridge.get_env().get_double_array_elements(costs) | python | def expected_costs(self, class_probs, inst=None):
if inst is None:
costs = javabridge.call(
self.jobject, "expectedCosts", "([D)[D", javabridge.get_env().make_double_array(class_probs))
return javabridge.get_env().get_double_array_elements(costs)
else:
costs = javabridge.call(
self.jobject, "expectedCosts", "([DLweka/core/Instance;)[D",
javabridge.get_env().make_double_array(class_probs), inst.jobject)
return javabridge.get_env().get_double_array_elements(costs) | [
"def",
"expected_costs",
"(",
"self",
",",
"class_probs",
",",
"inst",
"=",
"None",
")",
":",
"if",
"inst",
"is",
"None",
":",
"costs",
"=",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"expectedCosts\"",
",",
"\"([D)[D\"",
",",
"javabridge",
".",
"get_env",
"(",
")",
".",
"make_double_array",
"(",
"class_probs",
")",
")",
"return",
"javabridge",
".",
"get_env",
"(",
")",
".",
"get_double_array_elements",
"(",
"costs",
")",
"else",
":",
"costs",
"=",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"expectedCosts\"",
",",
"\"([DLweka/core/Instance;)[D\"",
",",
"javabridge",
".",
"get_env",
"(",
")",
".",
"make_double_array",
"(",
"class_probs",
")",
",",
"inst",
".",
"jobject",
")",
"return",
"javabridge",
".",
"get_env",
"(",
")",
".",
"get_double_array_elements",
"(",
"costs",
")"
] | Calculates the expected misclassification cost for each possible class value, given class probability
estimates.
:param class_probs: the class probabilities
:type class_probs: ndarray
:return: the calculated costs
:rtype: ndarray | [
"Calculates",
"the",
"expected",
"misclassification",
"cost",
"for",
"each",
"possible",
"class",
"value",
"given",
"class",
"probability",
"estimates",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/classifiers.py#L938-L956 |
1,680 | fracpete/python-weka-wrapper3 | python/weka/classifiers.py | CostMatrix.get_cell | def get_cell(self, row, col):
"""
Returns the JB_Object at the specified location.
:param row: the 0-based index of the row
:type row: int
:param col: the 0-based index of the column
:type col: int
:return: the object in that cell
:rtype: JB_Object
"""
return javabridge.call(
self.jobject, "getCell", "(II)Ljava/lang/Object;", row, col) | python | def get_cell(self, row, col):
return javabridge.call(
self.jobject, "getCell", "(II)Ljava/lang/Object;", row, col) | [
"def",
"get_cell",
"(",
"self",
",",
"row",
",",
"col",
")",
":",
"return",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"getCell\"",
",",
"\"(II)Ljava/lang/Object;\"",
",",
"row",
",",
"col",
")"
] | Returns the JB_Object at the specified location.
:param row: the 0-based index of the row
:type row: int
:param col: the 0-based index of the column
:type col: int
:return: the object in that cell
:rtype: JB_Object | [
"Returns",
"the",
"JB_Object",
"at",
"the",
"specified",
"location",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/classifiers.py#L958-L970 |
1,681 | fracpete/python-weka-wrapper3 | python/weka/classifiers.py | CostMatrix.set_cell | def set_cell(self, row, col, obj):
"""
Sets the JB_Object at the specified location. Automatically unwraps JavaObject.
:param row: the 0-based index of the row
:type row: int
:param col: the 0-based index of the column
:type col: int
:param obj: the object for that cell
:type obj: object
"""
if isinstance(obj, JavaObject):
obj = obj.jobject
javabridge.call(
self.jobject, "setCell", "(IILjava/lang/Object;)V", row, col, obj) | python | def set_cell(self, row, col, obj):
if isinstance(obj, JavaObject):
obj = obj.jobject
javabridge.call(
self.jobject, "setCell", "(IILjava/lang/Object;)V", row, col, obj) | [
"def",
"set_cell",
"(",
"self",
",",
"row",
",",
"col",
",",
"obj",
")",
":",
"if",
"isinstance",
"(",
"obj",
",",
"JavaObject",
")",
":",
"obj",
"=",
"obj",
".",
"jobject",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"setCell\"",
",",
"\"(IILjava/lang/Object;)V\"",
",",
"row",
",",
"col",
",",
"obj",
")"
] | Sets the JB_Object at the specified location. Automatically unwraps JavaObject.
:param row: the 0-based index of the row
:type row: int
:param col: the 0-based index of the column
:type col: int
:param obj: the object for that cell
:type obj: object | [
"Sets",
"the",
"JB_Object",
"at",
"the",
"specified",
"location",
".",
"Automatically",
"unwraps",
"JavaObject",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/classifiers.py#L972-L986 |
1,682 | fracpete/python-weka-wrapper3 | python/weka/classifiers.py | CostMatrix.get_element | def get_element(self, row, col, inst=None):
"""
Returns the value at the specified location.
:param row: the 0-based index of the row
:type row: int
:param col: the 0-based index of the column
:type col: int
:param inst: the Instace
:type inst: Instance
:return: the value in that cell
:rtype: float
"""
if inst is None:
return javabridge.call(
self.jobject, "getElement", "(II)D", row, col)
else:
return javabridge.call(
self.jobject, "getElement", "(IILweka/core/Instance;)D", row, col, inst.jobject) | python | def get_element(self, row, col, inst=None):
if inst is None:
return javabridge.call(
self.jobject, "getElement", "(II)D", row, col)
else:
return javabridge.call(
self.jobject, "getElement", "(IILweka/core/Instance;)D", row, col, inst.jobject) | [
"def",
"get_element",
"(",
"self",
",",
"row",
",",
"col",
",",
"inst",
"=",
"None",
")",
":",
"if",
"inst",
"is",
"None",
":",
"return",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"getElement\"",
",",
"\"(II)D\"",
",",
"row",
",",
"col",
")",
"else",
":",
"return",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"getElement\"",
",",
"\"(IILweka/core/Instance;)D\"",
",",
"row",
",",
"col",
",",
"inst",
".",
"jobject",
")"
] | Returns the value at the specified location.
:param row: the 0-based index of the row
:type row: int
:param col: the 0-based index of the column
:type col: int
:param inst: the Instace
:type inst: Instance
:return: the value in that cell
:rtype: float | [
"Returns",
"the",
"value",
"at",
"the",
"specified",
"location",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/classifiers.py#L988-L1006 |
1,683 | fracpete/python-weka-wrapper3 | python/weka/classifiers.py | CostMatrix.set_element | def set_element(self, row, col, value):
"""
Sets the float value at the specified location.
:param row: the 0-based index of the row
:type row: int
:param col: the 0-based index of the column
:type col: int
:param value: the float value for that cell
:type value: float
"""
javabridge.call(
self.jobject, "setElement", "(IID)V", row, col, value) | python | def set_element(self, row, col, value):
javabridge.call(
self.jobject, "setElement", "(IID)V", row, col, value) | [
"def",
"set_element",
"(",
"self",
",",
"row",
",",
"col",
",",
"value",
")",
":",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"setElement\"",
",",
"\"(IID)V\"",
",",
"row",
",",
"col",
",",
"value",
")"
] | Sets the float value at the specified location.
:param row: the 0-based index of the row
:type row: int
:param col: the 0-based index of the column
:type col: int
:param value: the float value for that cell
:type value: float | [
"Sets",
"the",
"float",
"value",
"at",
"the",
"specified",
"location",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/classifiers.py#L1008-L1020 |
1,684 | fracpete/python-weka-wrapper3 | python/weka/classifiers.py | CostMatrix.get_max_cost | def get_max_cost(self, class_value, inst=None):
"""
Gets the maximum cost for a particular class value.
:param class_value: the class value to get the maximum cost for
:type class_value: int
:param inst: the Instance
:type inst: Instance
:return: the cost
:rtype: float
"""
if inst is None:
return javabridge.call(
self.jobject, "getMaxCost", "(I)D", class_value)
else:
return javabridge.call(
self.jobject, "getElement", "(ILweka/core/Instance;)D", class_value, inst.jobject) | python | def get_max_cost(self, class_value, inst=None):
if inst is None:
return javabridge.call(
self.jobject, "getMaxCost", "(I)D", class_value)
else:
return javabridge.call(
self.jobject, "getElement", "(ILweka/core/Instance;)D", class_value, inst.jobject) | [
"def",
"get_max_cost",
"(",
"self",
",",
"class_value",
",",
"inst",
"=",
"None",
")",
":",
"if",
"inst",
"is",
"None",
":",
"return",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"getMaxCost\"",
",",
"\"(I)D\"",
",",
"class_value",
")",
"else",
":",
"return",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"getElement\"",
",",
"\"(ILweka/core/Instance;)D\"",
",",
"class_value",
",",
"inst",
".",
"jobject",
")"
] | Gets the maximum cost for a particular class value.
:param class_value: the class value to get the maximum cost for
:type class_value: int
:param inst: the Instance
:type inst: Instance
:return: the cost
:rtype: float | [
"Gets",
"the",
"maximum",
"cost",
"for",
"a",
"particular",
"class",
"value",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/classifiers.py#L1022-L1038 |
1,685 | fracpete/python-weka-wrapper3 | python/weka/classifiers.py | Evaluation.crossvalidate_model | def crossvalidate_model(self, classifier, data, num_folds, rnd, output=None):
"""
Crossvalidates the model using the specified data, number of folds and random number generator wrapper.
:param classifier: the classifier to cross-validate
:type classifier: Classifier
:param data: the data to evaluate on
:type data: Instances
:param num_folds: the number of folds
:type num_folds: int
:param rnd: the random number generator to use
:type rnd: Random
:param output: the output generator to use
:type output: PredictionOutput
"""
if output is None:
generator = []
else:
generator = [output.jobject]
javabridge.call(
self.jobject, "crossValidateModel",
"(Lweka/classifiers/Classifier;Lweka/core/Instances;ILjava/util/Random;[Ljava/lang/Object;)V",
classifier.jobject, data.jobject, num_folds, rnd.jobject, generator) | python | def crossvalidate_model(self, classifier, data, num_folds, rnd, output=None):
if output is None:
generator = []
else:
generator = [output.jobject]
javabridge.call(
self.jobject, "crossValidateModel",
"(Lweka/classifiers/Classifier;Lweka/core/Instances;ILjava/util/Random;[Ljava/lang/Object;)V",
classifier.jobject, data.jobject, num_folds, rnd.jobject, generator) | [
"def",
"crossvalidate_model",
"(",
"self",
",",
"classifier",
",",
"data",
",",
"num_folds",
",",
"rnd",
",",
"output",
"=",
"None",
")",
":",
"if",
"output",
"is",
"None",
":",
"generator",
"=",
"[",
"]",
"else",
":",
"generator",
"=",
"[",
"output",
".",
"jobject",
"]",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"crossValidateModel\"",
",",
"\"(Lweka/classifiers/Classifier;Lweka/core/Instances;ILjava/util/Random;[Ljava/lang/Object;)V\"",
",",
"classifier",
".",
"jobject",
",",
"data",
".",
"jobject",
",",
"num_folds",
",",
"rnd",
".",
"jobject",
",",
"generator",
")"
] | Crossvalidates the model using the specified data, number of folds and random number generator wrapper.
:param classifier: the classifier to cross-validate
:type classifier: Classifier
:param data: the data to evaluate on
:type data: Instances
:param num_folds: the number of folds
:type num_folds: int
:param rnd: the random number generator to use
:type rnd: Random
:param output: the output generator to use
:type output: PredictionOutput | [
"Crossvalidates",
"the",
"model",
"using",
"the",
"specified",
"data",
"number",
"of",
"folds",
"and",
"random",
"number",
"generator",
"wrapper",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/classifiers.py#L1133-L1155 |
1,686 | fracpete/python-weka-wrapper3 | python/weka/classifiers.py | Evaluation.summary | def summary(self, title=None, complexity=False):
"""
Generates a summary.
:param title: optional title
:type title: str
:param complexity: whether to print the complexity information as well
:type complexity: bool
:return: the summary
:rtype: str
"""
if title is None:
return javabridge.call(
self.jobject, "toSummaryString", "()Ljava/lang/String;")
else:
return javabridge.call(
self.jobject, "toSummaryString", "(Ljava/lang/String;Z)Ljava/lang/String;", title, complexity) | python | def summary(self, title=None, complexity=False):
if title is None:
return javabridge.call(
self.jobject, "toSummaryString", "()Ljava/lang/String;")
else:
return javabridge.call(
self.jobject, "toSummaryString", "(Ljava/lang/String;Z)Ljava/lang/String;", title, complexity) | [
"def",
"summary",
"(",
"self",
",",
"title",
"=",
"None",
",",
"complexity",
"=",
"False",
")",
":",
"if",
"title",
"is",
"None",
":",
"return",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"toSummaryString\"",
",",
"\"()Ljava/lang/String;\"",
")",
"else",
":",
"return",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"toSummaryString\"",
",",
"\"(Ljava/lang/String;Z)Ljava/lang/String;\"",
",",
"title",
",",
"complexity",
")"
] | Generates a summary.
:param title: optional title
:type title: str
:param complexity: whether to print the complexity information as well
:type complexity: bool
:return: the summary
:rtype: str | [
"Generates",
"a",
"summary",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/classifiers.py#L1221-L1237 |
1,687 | fracpete/python-weka-wrapper3 | python/weka/classifiers.py | Evaluation.class_details | def class_details(self, title=None):
"""
Generates the class details.
:param title: optional title
:type title: str
:return: the details
:rtype: str
"""
if title is None:
return javabridge.call(
self.jobject, "toClassDetailsString", "()Ljava/lang/String;")
else:
return javabridge.call(
self.jobject, "toClassDetailsString", "(Ljava/lang/String;)Ljava/lang/String;", title) | python | def class_details(self, title=None):
if title is None:
return javabridge.call(
self.jobject, "toClassDetailsString", "()Ljava/lang/String;")
else:
return javabridge.call(
self.jobject, "toClassDetailsString", "(Ljava/lang/String;)Ljava/lang/String;", title) | [
"def",
"class_details",
"(",
"self",
",",
"title",
"=",
"None",
")",
":",
"if",
"title",
"is",
"None",
":",
"return",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"toClassDetailsString\"",
",",
"\"()Ljava/lang/String;\"",
")",
"else",
":",
"return",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"toClassDetailsString\"",
",",
"\"(Ljava/lang/String;)Ljava/lang/String;\"",
",",
"title",
")"
] | Generates the class details.
:param title: optional title
:type title: str
:return: the details
:rtype: str | [
"Generates",
"the",
"class",
"details",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/classifiers.py#L1239-L1253 |
1,688 | fracpete/python-weka-wrapper3 | python/weka/classifiers.py | Evaluation.matrix | def matrix(self, title=None):
"""
Generates the confusion matrix.
:param title: optional title
:type title: str
:return: the matrix
:rtype: str
"""
if title is None:
return javabridge.call(self.jobject, "toMatrixString", "()Ljava/lang/String;")
else:
return javabridge.call(self.jobject, "toMatrixString", "(Ljava/lang/String;)Ljava/lang/String;", title) | python | def matrix(self, title=None):
if title is None:
return javabridge.call(self.jobject, "toMatrixString", "()Ljava/lang/String;")
else:
return javabridge.call(self.jobject, "toMatrixString", "(Ljava/lang/String;)Ljava/lang/String;", title) | [
"def",
"matrix",
"(",
"self",
",",
"title",
"=",
"None",
")",
":",
"if",
"title",
"is",
"None",
":",
"return",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"toMatrixString\"",
",",
"\"()Ljava/lang/String;\"",
")",
"else",
":",
"return",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"toMatrixString\"",
",",
"\"(Ljava/lang/String;)Ljava/lang/String;\"",
",",
"title",
")"
] | Generates the confusion matrix.
:param title: optional title
:type title: str
:return: the matrix
:rtype: str | [
"Generates",
"the",
"confusion",
"matrix",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/classifiers.py#L1255-L1267 |
1,689 | fracpete/python-weka-wrapper3 | python/weka/classifiers.py | Evaluation.predictions | def predictions(self):
"""
Returns the predictions.
:return: the predictions. None if not available
:rtype: list
"""
preds = javabridge.get_collection_wrapper(
javabridge.call(self.jobject, "predictions", "()Ljava/util/ArrayList;"))
if self.discard_predictions:
result = None
else:
result = []
for pred in preds:
if is_instance_of(pred, "weka.classifiers.evaluation.NominalPrediction"):
result.append(NominalPrediction(pred))
elif is_instance_of(pred, "weka.classifiers.evaluation.NumericPrediction"):
result.append(NumericPrediction(pred))
else:
result.append(Prediction(pred))
return result | python | def predictions(self):
preds = javabridge.get_collection_wrapper(
javabridge.call(self.jobject, "predictions", "()Ljava/util/ArrayList;"))
if self.discard_predictions:
result = None
else:
result = []
for pred in preds:
if is_instance_of(pred, "weka.classifiers.evaluation.NominalPrediction"):
result.append(NominalPrediction(pred))
elif is_instance_of(pred, "weka.classifiers.evaluation.NumericPrediction"):
result.append(NumericPrediction(pred))
else:
result.append(Prediction(pred))
return result | [
"def",
"predictions",
"(",
"self",
")",
":",
"preds",
"=",
"javabridge",
".",
"get_collection_wrapper",
"(",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"predictions\"",
",",
"\"()Ljava/util/ArrayList;\"",
")",
")",
"if",
"self",
".",
"discard_predictions",
":",
"result",
"=",
"None",
"else",
":",
"result",
"=",
"[",
"]",
"for",
"pred",
"in",
"preds",
":",
"if",
"is_instance_of",
"(",
"pred",
",",
"\"weka.classifiers.evaluation.NominalPrediction\"",
")",
":",
"result",
".",
"append",
"(",
"NominalPrediction",
"(",
"pred",
")",
")",
"elif",
"is_instance_of",
"(",
"pred",
",",
"\"weka.classifiers.evaluation.NumericPrediction\"",
")",
":",
"result",
".",
"append",
"(",
"NumericPrediction",
"(",
"pred",
")",
")",
"else",
":",
"result",
".",
"append",
"(",
"Prediction",
"(",
"pred",
")",
")",
"return",
"result"
] | Returns the predictions.
:return: the predictions. None if not available
:rtype: list | [
"Returns",
"the",
"predictions",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/classifiers.py#L1905-L1925 |
1,690 | fracpete/python-weka-wrapper3 | python/weka/classifiers.py | PredictionOutput.print_all | def print_all(self, cls, data):
"""
Prints the header, classifications and footer to the buffer.
:param cls: the classifier
:type cls: Classifier
:param data: the test data
:type data: Instances
"""
javabridge.call(
self.jobject, "print", "(Lweka/classifiers/Classifier;Lweka/core/Instances;)V",
cls.jobject, data.jobject) | python | def print_all(self, cls, data):
javabridge.call(
self.jobject, "print", "(Lweka/classifiers/Classifier;Lweka/core/Instances;)V",
cls.jobject, data.jobject) | [
"def",
"print_all",
"(",
"self",
",",
"cls",
",",
"data",
")",
":",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"print\"",
",",
"\"(Lweka/classifiers/Classifier;Lweka/core/Instances;)V\"",
",",
"cls",
".",
"jobject",
",",
"data",
".",
"jobject",
")"
] | Prints the header, classifications and footer to the buffer.
:param cls: the classifier
:type cls: Classifier
:param data: the test data
:type data: Instances | [
"Prints",
"the",
"header",
"classifications",
"and",
"footer",
"to",
"the",
"buffer",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/classifiers.py#L2001-L2012 |
1,691 | fracpete/python-weka-wrapper3 | python/weka/classifiers.py | PredictionOutput.print_classifications | def print_classifications(self, cls, data):
"""
Prints the classifications to the buffer.
:param cls: the classifier
:type cls: Classifier
:param data: the test data
:type data: Instances
"""
javabridge.call(
self.jobject, "printClassifications", "(Lweka/classifiers/Classifier;Lweka/core/Instances;)V",
cls.jobject, data.jobject) | python | def print_classifications(self, cls, data):
javabridge.call(
self.jobject, "printClassifications", "(Lweka/classifiers/Classifier;Lweka/core/Instances;)V",
cls.jobject, data.jobject) | [
"def",
"print_classifications",
"(",
"self",
",",
"cls",
",",
"data",
")",
":",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"printClassifications\"",
",",
"\"(Lweka/classifiers/Classifier;Lweka/core/Instances;)V\"",
",",
"cls",
".",
"jobject",
",",
"data",
".",
"jobject",
")"
] | Prints the classifications to the buffer.
:param cls: the classifier
:type cls: Classifier
:param data: the test data
:type data: Instances | [
"Prints",
"the",
"classifications",
"to",
"the",
"buffer",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/classifiers.py#L2014-L2025 |
1,692 | fracpete/python-weka-wrapper3 | python/weka/classifiers.py | PredictionOutput.print_classification | def print_classification(self, cls, inst, index):
"""
Prints the classification to the buffer.
:param cls: the classifier
:type cls: Classifier
:param inst: the test instance
:type inst: Instance
:param index: the 0-based index of the test instance
:type index: int
"""
javabridge.call(
self.jobject, "printClassification", "(Lweka/classifiers/Classifier;Lweka/core/Instance;I)V",
cls.jobject, inst.jobject, index) | python | def print_classification(self, cls, inst, index):
javabridge.call(
self.jobject, "printClassification", "(Lweka/classifiers/Classifier;Lweka/core/Instance;I)V",
cls.jobject, inst.jobject, index) | [
"def",
"print_classification",
"(",
"self",
",",
"cls",
",",
"inst",
",",
"index",
")",
":",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"printClassification\"",
",",
"\"(Lweka/classifiers/Classifier;Lweka/core/Instance;I)V\"",
",",
"cls",
".",
"jobject",
",",
"inst",
".",
"jobject",
",",
"index",
")"
] | Prints the classification to the buffer.
:param cls: the classifier
:type cls: Classifier
:param inst: the test instance
:type inst: Instance
:param index: the 0-based index of the test instance
:type index: int | [
"Prints",
"the",
"classification",
"to",
"the",
"buffer",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/classifiers.py#L2027-L2040 |
1,693 | fracpete/python-weka-wrapper3 | python/weka/core/tokenizers.py | Tokenizer.tokenize | def tokenize(self, s):
"""
Tokenizes the string.
:param s: the string to tokenize
:type s: str
:return: the iterator
:rtype: TokenIterator
"""
javabridge.call(self.jobject, "tokenize", "(Ljava/lang/String;)V", s)
return TokenIterator(self) | python | def tokenize(self, s):
javabridge.call(self.jobject, "tokenize", "(Ljava/lang/String;)V", s)
return TokenIterator(self) | [
"def",
"tokenize",
"(",
"self",
",",
"s",
")",
":",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"tokenize\"",
",",
"\"(Ljava/lang/String;)V\"",
",",
"s",
")",
"return",
"TokenIterator",
"(",
"self",
")"
] | Tokenizes the string.
:param s: the string to tokenize
:type s: str
:return: the iterator
:rtype: TokenIterator | [
"Tokenizes",
"the",
"string",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/core/tokenizers.py#L76-L86 |
1,694 | fracpete/python-weka-wrapper3 | python/weka/datagenerators.py | DataGenerator.define_data_format | def define_data_format(self):
"""
Returns the data format.
:return: the data format
:rtype: Instances
"""
data = javabridge.call(self.jobject, "defineDataFormat", "()Lweka/core/Instances;")
if data is None:
return None
else:
return Instances(data) | python | def define_data_format(self):
data = javabridge.call(self.jobject, "defineDataFormat", "()Lweka/core/Instances;")
if data is None:
return None
else:
return Instances(data) | [
"def",
"define_data_format",
"(",
"self",
")",
":",
"data",
"=",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"defineDataFormat\"",
",",
"\"()Lweka/core/Instances;\"",
")",
"if",
"data",
"is",
"None",
":",
"return",
"None",
"else",
":",
"return",
"Instances",
"(",
"data",
")"
] | Returns the data format.
:return: the data format
:rtype: Instances | [
"Returns",
"the",
"data",
"format",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/datagenerators.py#L50-L61 |
1,695 | fracpete/python-weka-wrapper3 | python/weka/datagenerators.py | DataGenerator.dataset_format | def dataset_format(self):
"""
Returns the dataset format.
:return: the format
:rtype: Instances
"""
data = javabridge.call(self.jobject, "getDatasetFormat", "()Lweka/core/Instances;")
if data is None:
return None
else:
return Instances(data) | python | def dataset_format(self):
data = javabridge.call(self.jobject, "getDatasetFormat", "()Lweka/core/Instances;")
if data is None:
return None
else:
return Instances(data) | [
"def",
"dataset_format",
"(",
"self",
")",
":",
"data",
"=",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"getDatasetFormat\"",
",",
"\"()Lweka/core/Instances;\"",
")",
"if",
"data",
"is",
"None",
":",
"return",
"None",
"else",
":",
"return",
"Instances",
"(",
"data",
")"
] | Returns the dataset format.
:return: the format
:rtype: Instances | [
"Returns",
"the",
"dataset",
"format",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/datagenerators.py#L74-L85 |
1,696 | fracpete/python-weka-wrapper3 | python/weka/datagenerators.py | DataGenerator.generate_example | def generate_example(self):
"""
Returns a single Instance.
:return: the next example
:rtype: Instance
"""
data = javabridge.call(self.jobject, "generateExample", "()Lweka/core/Instance;")
if data is None:
return None
else:
return Instance(data) | python | def generate_example(self):
data = javabridge.call(self.jobject, "generateExample", "()Lweka/core/Instance;")
if data is None:
return None
else:
return Instance(data) | [
"def",
"generate_example",
"(",
"self",
")",
":",
"data",
"=",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"generateExample\"",
",",
"\"()Lweka/core/Instance;\"",
")",
"if",
"data",
"is",
"None",
":",
"return",
"None",
"else",
":",
"return",
"Instance",
"(",
"data",
")"
] | Returns a single Instance.
:return: the next example
:rtype: Instance | [
"Returns",
"a",
"single",
"Instance",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/datagenerators.py#L116-L127 |
1,697 | fracpete/python-weka-wrapper3 | python/weka/datagenerators.py | DataGenerator.generate_examples | def generate_examples(self):
"""
Returns complete dataset.
:return: the generated dataset
:rtype: Instances
"""
data = javabridge.call(self.jobject, "generateExamples", "()Lweka/core/Instances;")
if data is None:
return None
else:
return Instances(data) | python | def generate_examples(self):
data = javabridge.call(self.jobject, "generateExamples", "()Lweka/core/Instances;")
if data is None:
return None
else:
return Instances(data) | [
"def",
"generate_examples",
"(",
"self",
")",
":",
"data",
"=",
"javabridge",
".",
"call",
"(",
"self",
".",
"jobject",
",",
"\"generateExamples\"",
",",
"\"()Lweka/core/Instances;\"",
")",
"if",
"data",
"is",
"None",
":",
"return",
"None",
"else",
":",
"return",
"Instances",
"(",
"data",
")"
] | Returns complete dataset.
:return: the generated dataset
:rtype: Instances | [
"Returns",
"complete",
"dataset",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/datagenerators.py#L129-L140 |
1,698 | fracpete/python-weka-wrapper3 | python/weka/datagenerators.py | DataGenerator.make_copy | def make_copy(cls, generator):
"""
Creates a copy of the generator.
:param generator: the generator to copy
:type generator: DataGenerator
:return: the copy of the generator
:rtype: DataGenerator
"""
return from_commandline(
to_commandline(generator), classname=classes.get_classname(DataGenerator())) | python | def make_copy(cls, generator):
return from_commandline(
to_commandline(generator), classname=classes.get_classname(DataGenerator())) | [
"def",
"make_copy",
"(",
"cls",
",",
"generator",
")",
":",
"return",
"from_commandline",
"(",
"to_commandline",
"(",
"generator",
")",
",",
"classname",
"=",
"classes",
".",
"get_classname",
"(",
"DataGenerator",
"(",
")",
")",
")"
] | Creates a copy of the generator.
:param generator: the generator to copy
:type generator: DataGenerator
:return: the copy of the generator
:rtype: DataGenerator | [
"Creates",
"a",
"copy",
"of",
"the",
"generator",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/datagenerators.py#L167-L177 |
1,699 | fracpete/python-weka-wrapper3 | python/weka/flow/source.py | DataGenerator.to_config | def to_config(self, k, v):
"""
Hook method that allows conversion of individual options.
:param k: the key of the option
:type k: str
:param v: the value
:type v: object
:return: the potentially processed value
:rtype: object
"""
if k == "setup":
return base.to_commandline(v)
return super(DataGenerator, self).to_config(k, v) | python | def to_config(self, k, v):
if k == "setup":
return base.to_commandline(v)
return super(DataGenerator, self).to_config(k, v) | [
"def",
"to_config",
"(",
"self",
",",
"k",
",",
"v",
")",
":",
"if",
"k",
"==",
"\"setup\"",
":",
"return",
"base",
".",
"to_commandline",
"(",
"v",
")",
"return",
"super",
"(",
"DataGenerator",
",",
"self",
")",
".",
"to_config",
"(",
"k",
",",
"v",
")"
] | Hook method that allows conversion of individual options.
:param k: the key of the option
:type k: str
:param v: the value
:type v: object
:return: the potentially processed value
:rtype: object | [
"Hook",
"method",
"that",
"allows",
"conversion",
"of",
"individual",
"options",
"."
] | d850ab1bdb25fbd5a8d86e99f34a397975425838 | https://github.com/fracpete/python-weka-wrapper3/blob/d850ab1bdb25fbd5a8d86e99f34a397975425838/python/weka/flow/source.py#L598-L611 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.