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|
# -*- coding: utf-8 -*-
"""
sphinx.locale
~~~~~~~~~~~~~
Locale utilities.
:copyright: Copyright 2007-2010 by the Sphinx team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import sys
import gettext
import UserString
class _TranslationProxy(UserString.UserString, object):
"""Class for proxy strings from gettext translations. This is a helper
for the lazy_* functions from this module.
The proxy implementation attempts to be as complete as possible, so that
the lazy objects should mostly work as expected, for example for sorting.
This inherits from UserString because some docutils versions use UserString
for their Text nodes, which then checks its argument for being either a
basestring or UserString, otherwise calls str() -- not unicode() -- on it.
This also inherits from object to make the __new__ method work.
"""
__slots__ = ('_func', '_args')
def __new__(cls, func, *args):
if not args:
# not called with "function" and "arguments", but a plain string
return unicode(func)
return object.__new__(cls)
def __getnewargs__(self):
return (self._func,) + self._args
def __init__(self, func, *args):
self._func = func
self._args = args
data = property(lambda x: x._func(*x._args))
# replace function from UserString; it instantiates a self.__class__
# for the encoding result
def encode(self, encoding=None, errors=None):
if encoding:
if errors:
return self.data.encode(encoding, errors)
else:
return self.data.encode(encoding)
else:
return self.data.encode()
def __contains__(self, key):
return key in self.data
def __nonzero__(self):
return bool(self.data)
def __dir__(self):
return dir(unicode)
def __iter__(self):
return iter(self.data)
def __len__(self):
return len(self.data)
def __str__(self):
return str(self.data)
def __unicode__(self):
return unicode(self.data)
def __add__(self, other):
return self.data + other
def __radd__(self, other):
return other + self.data
def __mod__(self, other):
return self.data % other
def __rmod__(self, other):
return other % self.data
def __mul__(self, other):
return self.data * other
def __rmul__(self, other):
return other * self.data
def __lt__(self, other):
return self.data < other
def __le__(self, other):
return self.data <= other
def __eq__(self, other):
return self.data == other
def __ne__(self, other):
return self.data != other
def __gt__(self, other):
return self.data > other
def __ge__(self, other):
return self.data >= other
def __getattr__(self, name):
if name == '__members__':
return self.__dir__()
return getattr(self.data, name)
def __getstate__(self):
return self._func, self._args
def __setstate__(self, tup):
self._func, self._args = tup
def __getitem__(self, key):
return self.data[key]
def __copy__(self):
return self
def __repr__(self):
try:
return 'i' + repr(unicode(self.data))
except:
return '<%s broken>' % self.__class__.__name__
def mygettext(string):
"""Used instead of _ when creating TranslationProxies, because _ is
not bound yet at that time."""
return _(string)
def lazy_gettext(string):
"""A lazy version of `gettext`."""
#if isinstance(string, _TranslationProxy):
# return string
return _TranslationProxy(mygettext, string)
l_ = lazy_gettext
admonitionlabels = {
'attention': l_('Attention'),
'caution': l_('Caution'),
'danger': l_('Danger'),
'error': l_('Error'),
'hint': l_('Hint'),
'important': l_('Important'),
'note': l_('Note'),
'seealso': l_('See Also'),
'tip': l_('Tip'),
'warning': l_('Warning'),
}
versionlabels = {
'versionadded': l_('New in version %s'),
'versionchanged': l_('Changed in version %s'),
'deprecated': l_('Deprecated since version %s'),
}
pairindextypes = {
'module': l_('module'),
'keyword': l_('keyword'),
'operator': l_('operator'),
'object': l_('object'),
'exception': l_('exception'),
'statement': l_('statement'),
'builtin': l_('built-in function'),
}
translator = None
if sys.version_info >= (3, 0):
def _(message):
return translator.gettext(message)
else:
def _(message):
return translator.ugettext(message)
def init(locale_dirs, language):
global translator
# the None entry is the system's default locale path
has_translation = True
for dir_ in locale_dirs:
try:
trans = gettext.translation('sphinx', localedir=dir_,
languages=[language])
if translator is None:
translator = trans
else:
translator._catalog.update(trans._catalog)
except Exception:
# Language couldn't be found in the specified path
pass
if translator is None:
translator = gettext.NullTranslations()
has_translation = False
return translator, has_translation
|
