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139 lines
3.6 KiB
139 lines
3.6 KiB
# coding=utf-8
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from __future__ import absolute_import
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import types
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from babelfish.exceptions import LanguageError
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from babelfish import Language as Language_, basestr
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from six.moves import zip
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repl_map = {
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"dk": "da",
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"nld": "nl",
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"english": "en",
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"alb": "sq",
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"arm": "hy",
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"baq": "eu",
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"bur": "my",
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"chi": "zh",
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"cze": "cs",
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"dut": "nl",
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"fre": "fr",
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"geo": "ka",
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"ger": "de",
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"gre": "el",
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"ice": "is",
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"mac": "mk",
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"mao": "mi",
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"may": "ms",
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"per": "fa",
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"rum": "ro",
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"slo": "sk",
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"tib": "bo",
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}
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def language_from_stream(l):
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if not l:
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raise LanguageError()
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for method in ("fromietf", "fromalpha3t", "fromalpha3b"):
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try:
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return getattr(Language, method)(l)
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except (LanguageError, ValueError):
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pass
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raise LanguageError()
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def wrap_forced(f):
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def inner(*args, **kwargs):
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"""
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classmethod wrapper
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:param args: args[0] = cls
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:param kwargs:
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:return:
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"""
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args = list(args)
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cls = args[0]
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args = args[1:]
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s = args.pop(0)
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forced = None
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if isinstance(s, (str,)):
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base, forced = s.split(":") if ":" in s else (s, False)
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else:
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base = s
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instance = f(cls, base, *args, **kwargs)
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if isinstance(instance, Language):
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instance.forced = forced == "forced"
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return instance
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return inner
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class Language(Language_):
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forced = False
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def __init__(self, language, country=None, script=None, unknown=None, forced=False):
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self.forced = forced
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super(Language, self).__init__(language, country=country, script=script, unknown=unknown)
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def __getstate__(self):
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return self.alpha3, self.country, self.script, self.forced
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def __setstate__(self, state):
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self.alpha3, self.country, self.script, self.forced = state
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def __eq__(self, other):
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if isinstance(other, basestr):
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return str(self) == other
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if not isinstance(other, Language):
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return False
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return (self.alpha3 == other.alpha3 and
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self.country == other.country and
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self.script == other.script and
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bool(self.forced) == bool(other.forced))
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def __str__(self):
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return super(Language, self).__str__() + (":forced" if self.forced else "")
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@property
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def basename(self):
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return super(Language, self).__str__()
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def __getattr__(self, name):
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ret = super(Language, self).__getattr__(name)
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if isinstance(ret, Language):
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ret.forced = self.forced
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return ret
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@classmethod
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def rebuild(cls, instance, **replkw):
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state = instance.__getstate__()
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attrs = ("country", "script", "forced")
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language = state[0]
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kwa = dict(list(zip(attrs, state[1:])))
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kwa.update(replkw)
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return cls(language, **kwa)
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@classmethod
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@wrap_forced
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def fromcode(cls, code, converter):
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return Language(*Language_.fromcode(code, converter).__getstate__())
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@classmethod
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@wrap_forced
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def fromietf(cls, ietf):
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ietf_lower = ietf.lower()
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if ietf_lower in repl_map:
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ietf = repl_map[ietf_lower]
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return Language(*Language_.fromietf(ietf).__getstate__())
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@classmethod
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@wrap_forced
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def fromalpha3b(cls, s):
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if s in repl_map:
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s = repl_map[s]
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return Language(*Language_.fromietf(s).__getstate__())
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return Language(*Language_.fromalpha3b(s).__getstate__())
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