Mercurial > hg
view mercurial/i18n.py @ 50032:06619266679d
dirstate: use `dirstate.change_files` to scope the change in `forget`
This is the way.
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Tue, 13 Dec 2022 16:27:57 +0100 |
parents | 06de08b36c82 |
children | 18c8c18993f0 |
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# i18n.py - internationalization support for mercurial # # Copyright 2005, 2006 Olivia Mackall <olivia@selenic.com> # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. import gettext as gettextmod import locale import os import sys from .pycompat import getattr from .utils import resourceutil from . import ( encoding, pycompat, ) if pycompat.TYPE_CHECKING: from typing import ( Callable, List, ) # modelled after templater.templatepath: if getattr(sys, 'frozen', None) is not None: module = pycompat.sysexecutable else: module = pycompat.fsencode(__file__) _languages = None if ( pycompat.iswindows and b'LANGUAGE' not in encoding.environ and b'LC_ALL' not in encoding.environ and b'LC_MESSAGES' not in encoding.environ and b'LANG' not in encoding.environ ): # Try to detect UI language by "User Interface Language Management" API # if no locale variables are set. Note that locale.getdefaultlocale() # uses GetLocaleInfo(), which may be different from UI language. # (See http://msdn.microsoft.com/en-us/library/dd374098(v=VS.85).aspx ) try: import ctypes # pytype: disable=module-attr langid = ctypes.windll.kernel32.GetUserDefaultUILanguage() # pytype: enable=module-attr _languages = [locale.windows_locale[langid]] except (ImportError, AttributeError, KeyError): # ctypes not found or unknown langid pass datapath = pycompat.fsdecode(resourceutil.datapath) localedir = os.path.join(datapath, 'locale') t = gettextmod.translation('hg', localedir, _languages, fallback=True) try: _ugettext = t.ugettext # pytype: disable=attribute-error except AttributeError: _ugettext = t.gettext _msgcache = {} # encoding: {message: translation} def gettext(message): # type: (bytes) -> bytes """Translate message. The message is looked up in the catalog to get a Unicode string, which is encoded in the local encoding before being returned. Important: message is restricted to characters in the encoding given by sys.getdefaultencoding() which is most likely 'ascii'. """ # If message is None, t.ugettext will return u'None' as the # translation whereas our callers expect us to return None. if message is None or not _ugettext: return message cache = _msgcache.setdefault(encoding.encoding, {}) if message not in cache: if type(message) is str: # goofy unicode docstrings in test paragraphs = message.split(u'\n\n') # type: List[str] else: # should be ascii, but we have unicode docstrings in test, which # are converted to utf-8 bytes on Python 3. paragraphs = [p.decode("utf-8") for p in message.split(b'\n\n')] # Be careful not to translate the empty string -- it holds the # meta data of the .po file. u = u'\n\n'.join([p and _ugettext(p) or u'' for p in paragraphs]) try: # encoding.tolocal cannot be used since it will first try to # decode the Unicode string. Calling u.decode(enc) really # means u.encode(sys.getdefaultencoding()).decode(enc). Since # the Python encoding defaults to 'ascii', this fails if the # translated string use non-ASCII characters. encodingstr = pycompat.sysstr(encoding.encoding) cache[message] = u.encode(encodingstr, "replace") except LookupError: # An unknown encoding results in a LookupError. cache[message] = message return cache[message] def _plain(): if ( b'HGPLAIN' not in encoding.environ and b'HGPLAINEXCEPT' not in encoding.environ ): return False exceptions = encoding.environ.get(b'HGPLAINEXCEPT', b'').strip().split(b',') return b'i18n' not in exceptions if _plain(): _ = lambda message: message # type: Callable[[bytes], bytes] else: _ = gettext