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| """setuptools.command.bdist_egg | |
| Build .egg distributions""" | |
| from distutils.dir_util import remove_tree, mkpath | |
| from distutils import log | |
| from types import CodeType | |
| import sys | |
| import os | |
| import re | |
| import textwrap | |
| import marshal | |
| from pkg_resources import get_build_platform, Distribution | |
| from setuptools.extension import Library | |
| from setuptools import Command | |
| from .._path import ensure_directory | |
| from sysconfig import get_path, get_python_version | |
| def _get_purelib(): | |
| return get_path("purelib") | |
| def strip_module(filename): | |
| if '.' in filename: | |
| filename = os.path.splitext(filename)[0] | |
| if filename.endswith('module'): | |
| filename = filename[:-6] | |
| return filename | |
| def sorted_walk(dir): | |
| """Do os.walk in a reproducible way, | |
| independent of indeterministic filesystem readdir order | |
| """ | |
| for base, dirs, files in os.walk(dir): | |
| dirs.sort() | |
| files.sort() | |
| yield base, dirs, files | |
| def write_stub(resource, pyfile): | |
| _stub_template = textwrap.dedent(""" | |
| def __bootstrap__(): | |
| global __bootstrap__, __loader__, __file__ | |
| import sys, pkg_resources, importlib.util | |
| __file__ = pkg_resources.resource_filename(__name__, %r) | |
| __loader__ = None; del __bootstrap__, __loader__ | |
| spec = importlib.util.spec_from_file_location(__name__,__file__) | |
| mod = importlib.util.module_from_spec(spec) | |
| spec.loader.exec_module(mod) | |
| __bootstrap__() | |
| """).lstrip() | |
| with open(pyfile, 'w') as f: | |
| f.write(_stub_template % resource) | |
| class bdist_egg(Command): | |
| description = "create an \"egg\" distribution" | |
| user_options = [ | |
| ('bdist-dir=', 'b', | |
| "temporary directory for creating the distribution"), | |
| ('plat-name=', 'p', "platform name to embed in generated filenames " | |
| "(default: %s)" % get_build_platform()), | |
| ('exclude-source-files', None, | |
| "remove all .py files from the generated egg"), | |
| ('keep-temp', 'k', | |
| "keep the pseudo-installation tree around after " + | |
| "creating the distribution archive"), | |
| ('dist-dir=', 'd', | |
| "directory to put final built distributions in"), | |
| ('skip-build', None, | |
| "skip rebuilding everything (for testing/debugging)"), | |
| ] | |
| boolean_options = [ | |
| 'keep-temp', 'skip-build', 'exclude-source-files' | |
| ] | |
| def initialize_options(self): | |
| self.bdist_dir = None | |
| self.plat_name = None | |
| self.keep_temp = 0 | |
| self.dist_dir = None | |
| self.skip_build = 0 | |
| self.egg_output = None | |
| self.exclude_source_files = None | |
| def finalize_options(self): | |
| ei_cmd = self.ei_cmd = self.get_finalized_command("egg_info") | |
| self.egg_info = ei_cmd.egg_info | |
| if self.bdist_dir is None: | |
| bdist_base = self.get_finalized_command('bdist').bdist_base | |
| self.bdist_dir = os.path.join(bdist_base, 'egg') | |
| if self.plat_name is None: | |
| self.plat_name = get_build_platform() | |
| self.set_undefined_options('bdist', ('dist_dir', 'dist_dir')) | |
| if self.egg_output is None: | |
| # Compute filename of the output egg | |
| basename = Distribution( | |
| None, None, ei_cmd.egg_name, ei_cmd.egg_version, | |
| get_python_version(), | |
| self.distribution.has_ext_modules() and self.plat_name | |
| ).egg_name() | |
| self.egg_output = os.path.join(self.dist_dir, basename + '.egg') | |
| def do_install_data(self): | |
| # Hack for packages that install data to install's --install-lib | |
| self.get_finalized_command('install').install_lib = self.bdist_dir | |
| site_packages = os.path.normcase(os.path.realpath(_get_purelib())) | |
| old, self.distribution.data_files = self.distribution.data_files, [] | |
| for item in old: | |
| if isinstance(item, tuple) and len(item) == 2: | |
| if os.path.isabs(item[0]): | |
| realpath = os.path.realpath(item[0]) | |
| normalized = os.path.normcase(realpath) | |
| if normalized == site_packages or normalized.startswith( | |
| site_packages + os.sep | |
| ): | |
| item = realpath[len(site_packages) + 1:], item[1] | |
| # XXX else: raise ??? | |
| self.distribution.data_files.append(item) | |
| try: | |
| log.info("installing package data to %s", self.bdist_dir) | |
| self.call_command('install_data', force=0, root=None) | |
| finally: | |
| self.distribution.data_files = old | |
| def get_outputs(self): | |
| return [self.egg_output] | |
| def call_command(self, cmdname, **kw): | |
| """Invoke reinitialized command `cmdname` with keyword args""" | |
| for dirname in INSTALL_DIRECTORY_ATTRS: | |
| kw.setdefault(dirname, self.bdist_dir) | |
| kw.setdefault('skip_build', self.skip_build) | |
| kw.setdefault('dry_run', self.dry_run) | |
| cmd = self.reinitialize_command(cmdname, **kw) | |
| self.run_command(cmdname) | |
| return cmd | |
| def run(self): # noqa: C901 # is too complex (14) # FIXME | |
| # Generate metadata first | |
| self.run_command("egg_info") | |
| # We run install_lib before install_data, because some data hacks | |
| # pull their data path from the install_lib command. | |
| log.info("installing library code to %s", self.bdist_dir) | |
| instcmd = self.get_finalized_command('install') | |
| old_root = instcmd.root | |
| instcmd.root = None | |
| if self.distribution.has_c_libraries() and not self.skip_build: | |
| self.run_command('build_clib') | |
| cmd = self.call_command('install_lib', warn_dir=0) | |
| instcmd.root = old_root | |
| all_outputs, ext_outputs = self.get_ext_outputs() | |
| self.stubs = [] | |
| to_compile = [] | |
| for (p, ext_name) in enumerate(ext_outputs): | |
| filename, ext = os.path.splitext(ext_name) | |
| pyfile = os.path.join(self.bdist_dir, strip_module(filename) + | |
| '.py') | |
| self.stubs.append(pyfile) | |
| log.info("creating stub loader for %s", ext_name) | |
| if not self.dry_run: | |
| write_stub(os.path.basename(ext_name), pyfile) | |
| to_compile.append(pyfile) | |
| ext_outputs[p] = ext_name.replace(os.sep, '/') | |
| if to_compile: | |
| cmd.byte_compile(to_compile) | |
| if self.distribution.data_files: | |
| self.do_install_data() | |
| # Make the EGG-INFO directory | |
| archive_root = self.bdist_dir | |
| egg_info = os.path.join(archive_root, 'EGG-INFO') | |
| self.mkpath(egg_info) | |
| if self.distribution.scripts: | |
| script_dir = os.path.join(egg_info, 'scripts') | |
| log.info("installing scripts to %s", script_dir) | |
| self.call_command('install_scripts', install_dir=script_dir, | |
| no_ep=1) | |
| self.copy_metadata_to(egg_info) | |
| native_libs = os.path.join(egg_info, "native_libs.txt") | |
| if all_outputs: | |
| log.info("writing %s", native_libs) | |
| if not self.dry_run: | |
| ensure_directory(native_libs) | |
| libs_file = open(native_libs, 'wt') | |
| libs_file.write('\n'.join(all_outputs)) | |
| libs_file.write('\n') | |
| libs_file.close() | |
| elif os.path.isfile(native_libs): | |
| log.info("removing %s", native_libs) | |
| if not self.dry_run: | |
| os.unlink(native_libs) | |
| write_safety_flag( | |
| os.path.join(archive_root, 'EGG-INFO'), self.zip_safe() | |
| ) | |
| if os.path.exists(os.path.join(self.egg_info, 'depends.txt')): | |
| log.warn( | |
| "WARNING: 'depends.txt' will not be used by setuptools 0.6!\n" | |
| "Use the install_requires/extras_require setup() args instead." | |
| ) | |
| if self.exclude_source_files: | |
| self.zap_pyfiles() | |
| # Make the archive | |
| make_zipfile(self.egg_output, archive_root, verbose=self.verbose, | |
| dry_run=self.dry_run, mode=self.gen_header()) | |
| if not self.keep_temp: | |
| remove_tree(self.bdist_dir, dry_run=self.dry_run) | |
| # Add to 'Distribution.dist_files' so that the "upload" command works | |
| getattr(self.distribution, 'dist_files', []).append( | |
| ('bdist_egg', get_python_version(), self.egg_output)) | |
| def zap_pyfiles(self): | |
| log.info("Removing .py files from temporary directory") | |
| for base, dirs, files in walk_egg(self.bdist_dir): | |
| for name in files: | |
| path = os.path.join(base, name) | |
| if name.endswith('.py'): | |
| log.debug("Deleting %s", path) | |
| os.unlink(path) | |
| if base.endswith('__pycache__'): | |
| path_old = path | |
| pattern = r'(?P<name>.+)\.(?P<magic>[^.]+)\.pyc' | |
| m = re.match(pattern, name) | |
| path_new = os.path.join( | |
| base, os.pardir, m.group('name') + '.pyc') | |
| log.info( | |
| "Renaming file from [%s] to [%s]" | |
| % (path_old, path_new)) | |
| try: | |
| os.remove(path_new) | |
| except OSError: | |
| pass | |
| os.rename(path_old, path_new) | |
| def zip_safe(self): | |
| safe = getattr(self.distribution, 'zip_safe', None) | |
| if safe is not None: | |
| return safe | |
| log.warn("zip_safe flag not set; analyzing archive contents...") | |
| return analyze_egg(self.bdist_dir, self.stubs) | |
| def gen_header(self): | |
| return 'w' | |
| def copy_metadata_to(self, target_dir): | |
| "Copy metadata (egg info) to the target_dir" | |
| # normalize the path (so that a forward-slash in egg_info will | |
| # match using startswith below) | |
| norm_egg_info = os.path.normpath(self.egg_info) | |
| prefix = os.path.join(norm_egg_info, '') | |
| for path in self.ei_cmd.filelist.files: | |
| if path.startswith(prefix): | |
| target = os.path.join(target_dir, path[len(prefix):]) | |
| ensure_directory(target) | |
| self.copy_file(path, target) | |
| def get_ext_outputs(self): | |
| """Get a list of relative paths to C extensions in the output distro""" | |
| all_outputs = [] | |
| ext_outputs = [] | |
| paths = {self.bdist_dir: ''} | |
| for base, dirs, files in sorted_walk(self.bdist_dir): | |
| for filename in files: | |
| if os.path.splitext(filename)[1].lower() in NATIVE_EXTENSIONS: | |
| all_outputs.append(paths[base] + filename) | |
| for filename in dirs: | |
| paths[os.path.join(base, filename)] = (paths[base] + | |
| filename + '/') | |
| if self.distribution.has_ext_modules(): | |
| build_cmd = self.get_finalized_command('build_ext') | |
| for ext in build_cmd.extensions: | |
| if isinstance(ext, Library): | |
| continue | |
| fullname = build_cmd.get_ext_fullname(ext.name) | |
| filename = build_cmd.get_ext_filename(fullname) | |
| if not os.path.basename(filename).startswith('dl-'): | |
| if os.path.exists(os.path.join(self.bdist_dir, filename)): | |
| ext_outputs.append(filename) | |
| return all_outputs, ext_outputs | |
| NATIVE_EXTENSIONS = dict.fromkeys('.dll .so .dylib .pyd'.split()) | |
| def walk_egg(egg_dir): | |
| """Walk an unpacked egg's contents, skipping the metadata directory""" | |
| walker = sorted_walk(egg_dir) | |
| base, dirs, files = next(walker) | |
| if 'EGG-INFO' in dirs: | |
| dirs.remove('EGG-INFO') | |
| yield base, dirs, files | |
| for bdf in walker: | |
| yield bdf | |
| def analyze_egg(egg_dir, stubs): | |
| # check for existing flag in EGG-INFO | |
| for flag, fn in safety_flags.items(): | |
| if os.path.exists(os.path.join(egg_dir, 'EGG-INFO', fn)): | |
| return flag | |
| if not can_scan(): | |
| return False | |
| safe = True | |
| for base, dirs, files in walk_egg(egg_dir): | |
| for name in files: | |
| if name.endswith('.py') or name.endswith('.pyw'): | |
| continue | |
| elif name.endswith('.pyc') or name.endswith('.pyo'): | |
| # always scan, even if we already know we're not safe | |
| safe = scan_module(egg_dir, base, name, stubs) and safe | |
| return safe | |
| def write_safety_flag(egg_dir, safe): | |
| # Write or remove zip safety flag file(s) | |
| for flag, fn in safety_flags.items(): | |
| fn = os.path.join(egg_dir, fn) | |
| if os.path.exists(fn): | |
| if safe is None or bool(safe) != flag: | |
| os.unlink(fn) | |
| elif safe is not None and bool(safe) == flag: | |
| f = open(fn, 'wt') | |
| f.write('\n') | |
| f.close() | |
| safety_flags = { | |
| True: 'zip-safe', | |
| False: 'not-zip-safe', | |
| } | |
| def scan_module(egg_dir, base, name, stubs): | |
| """Check whether module possibly uses unsafe-for-zipfile stuff""" | |
| filename = os.path.join(base, name) | |
| if filename[:-1] in stubs: | |
| return True # Extension module | |
| pkg = base[len(egg_dir) + 1:].replace(os.sep, '.') | |
| module = pkg + (pkg and '.' or '') + os.path.splitext(name)[0] | |
| if sys.version_info < (3, 7): | |
| skip = 12 # skip magic & date & file size | |
| else: | |
| skip = 16 # skip magic & reserved? & date & file size | |
| f = open(filename, 'rb') | |
| f.read(skip) | |
| code = marshal.load(f) | |
| f.close() | |
| safe = True | |
| symbols = dict.fromkeys(iter_symbols(code)) | |
| for bad in ['__file__', '__path__']: | |
| if bad in symbols: | |
| log.warn("%s: module references %s", module, bad) | |
| safe = False | |
| if 'inspect' in symbols: | |
| for bad in [ | |
| 'getsource', 'getabsfile', 'getsourcefile', 'getfile' | |
| 'getsourcelines', 'findsource', 'getcomments', 'getframeinfo', | |
| 'getinnerframes', 'getouterframes', 'stack', 'trace' | |
| ]: | |
| if bad in symbols: | |
| log.warn("%s: module MAY be using inspect.%s", module, bad) | |
| safe = False | |
| return safe | |
| def iter_symbols(code): | |
| """Yield names and strings used by `code` and its nested code objects""" | |
| for name in code.co_names: | |
| yield name | |
| for const in code.co_consts: | |
| if isinstance(const, str): | |
| yield const | |
| elif isinstance(const, CodeType): | |
| for name in iter_symbols(const): | |
| yield name | |
| def can_scan(): | |
| if not sys.platform.startswith('java') and sys.platform != 'cli': | |
| # CPython, PyPy, etc. | |
| return True | |
| log.warn("Unable to analyze compiled code on this platform.") | |
| log.warn("Please ask the author to include a 'zip_safe'" | |
| " setting (either True or False) in the package's setup.py") | |
| # Attribute names of options for commands that might need to be convinced to | |
| # install to the egg build directory | |
| INSTALL_DIRECTORY_ATTRS = [ | |
| 'install_lib', 'install_dir', 'install_data', 'install_base' | |
| ] | |
| def make_zipfile(zip_filename, base_dir, verbose=0, dry_run=0, compress=True, | |
| mode='w'): | |
| """Create a zip file from all the files under 'base_dir'. The output | |
| zip file will be named 'base_dir' + ".zip". Uses either the "zipfile" | |
| Python module (if available) or the InfoZIP "zip" utility (if installed | |
| and found on the default search path). If neither tool is available, | |
| raises DistutilsExecError. Returns the name of the output zip file. | |
| """ | |
| import zipfile | |
| mkpath(os.path.dirname(zip_filename), dry_run=dry_run) | |
| log.info("creating '%s' and adding '%s' to it", zip_filename, base_dir) | |
| def visit(z, dirname, names): | |
| for name in names: | |
| path = os.path.normpath(os.path.join(dirname, name)) | |
| if os.path.isfile(path): | |
| p = path[len(base_dir) + 1:] | |
| if not dry_run: | |
| z.write(path, p) | |
| log.debug("adding '%s'", p) | |
| compression = zipfile.ZIP_DEFLATED if compress else zipfile.ZIP_STORED | |
| if not dry_run: | |
| z = zipfile.ZipFile(zip_filename, mode, compression=compression) | |
| for dirname, dirs, files in sorted_walk(base_dir): | |
| visit(z, dirname, files) | |
| z.close() | |
| else: | |
| for dirname, dirs, files in sorted_walk(base_dir): | |
| visit(None, dirname, files) | |
| return zip_filename | |