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| # Copyright 2013 Google, Inc. All Rights Reserved. | |
| # | |
| # Google Author(s): Behdad Esfahbod, Roozbeh Pournader | |
| class Options(object): | |
| class UnknownOptionError(Exception): | |
| pass | |
| def __init__(self, **kwargs): | |
| self.verbose = False | |
| self.timing = False | |
| self.drop_tables = [] | |
| self.input_file = None | |
| self.output_file = "merged.ttf" | |
| self.import_file = None | |
| self.set(**kwargs) | |
| def set(self, **kwargs): | |
| for k, v in kwargs.items(): | |
| if not hasattr(self, k): | |
| raise self.UnknownOptionError("Unknown option '%s'" % k) | |
| setattr(self, k, v) | |
| def parse_opts(self, argv, ignore_unknown=[]): | |
| ret = [] | |
| opts = {} | |
| for a in argv: | |
| orig_a = a | |
| if not a.startswith("--"): | |
| ret.append(a) | |
| continue | |
| a = a[2:] | |
| i = a.find("=") | |
| op = "=" | |
| if i == -1: | |
| if a.startswith("no-"): | |
| k = a[3:] | |
| v = False | |
| else: | |
| k = a | |
| v = True | |
| else: | |
| k = a[:i] | |
| if k[-1] in "-+": | |
| op = k[-1] + "=" # Ops is '-=' or '+=' now. | |
| k = k[:-1] | |
| v = a[i + 1 :] | |
| ok = k | |
| k = k.replace("-", "_") | |
| if not hasattr(self, k): | |
| if ignore_unknown is True or ok in ignore_unknown: | |
| ret.append(orig_a) | |
| continue | |
| else: | |
| raise self.UnknownOptionError("Unknown option '%s'" % a) | |
| ov = getattr(self, k) | |
| if isinstance(ov, bool): | |
| v = bool(v) | |
| elif isinstance(ov, int): | |
| v = int(v) | |
| elif isinstance(ov, list): | |
| vv = v.split(",") | |
| if vv == [""]: | |
| vv = [] | |
| vv = [int(x, 0) if len(x) and x[0] in "0123456789" else x for x in vv] | |
| if op == "=": | |
| v = vv | |
| elif op == "+=": | |
| v = ov | |
| v.extend(vv) | |
| elif op == "-=": | |
| v = ov | |
| for x in vv: | |
| if x in v: | |
| v.remove(x) | |
| else: | |
| assert 0 | |
| opts[k] = v | |
| self.set(**opts) | |
| return ret | |