/usr/lib/python3/dist-packages/sphinx/locale/__init__.py is in python3-sphinx 1.3.6-2ubuntu1.
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"""
sphinx.locale
~~~~~~~~~~~~~
Locale utilities.
:copyright: Copyright 2007-2016 by the Sphinx team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import gettext
from six import PY3, text_type
from six.moves import UserString
class _TranslationProxy(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 text_type(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 __bool__(self):
return bool(self.data)
__nonzero__ = __bool__ # for python2 compatibility
def __dir__(self):
return dir(text_type)
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 text_type(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(text_type(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'),
}
# XXX Python specific
pairindextypes = {
'module': l_('module'),
'keyword': l_('keyword'),
'operator': l_('operator'),
'object': l_('object'),
'exception': l_('exception'),
'statement': l_('statement'),
'builtin': l_('built-in function'),
}
translators = {}
if PY3:
def _(message):
return translators['sphinx'].gettext(message)
else:
def _(message):
return translators['sphinx'].ugettext(message)
def init(locale_dirs, language, catalog='sphinx', charset='utf-8'):
"""Look for message catalogs in `locale_dirs` and *ensure* that there is at
least a NullTranslations catalog set in `translators`. If called multiple
times or if several ``.mo`` files are found, their contents are merged
together (thus making ``init`` reentrable).
"""
global translators
translator = translators.get(catalog)
# ignore previously failed attempts to find message catalogs
if isinstance(translator, gettext.NullTranslations):
translator = None
# the None entry is the system's default locale path
has_translation = True
# compile mo files if po file is updated
# TODO: remove circular importing
from sphinx.util.i18n import find_catalog_source_files
for catinfo in find_catalog_source_files(locale_dirs, language, domains=[catalog],
charset=charset):
catinfo.write_mo(language)
# loading
for dir_ in locale_dirs:
try:
trans = gettext.translation(catalog, 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
# guarantee translators[catalog] exists
if translator is None:
translator = gettext.NullTranslations()
has_translation = False
translators[catalog] = translator
if hasattr(translator, 'ugettext'):
translator.gettext = translator.ugettext
return translator, has_translation
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