Mercurial > hg
view mercurial/i18n.py @ 46113:59fa3890d40a
node: import symbols explicitly
There is no point in lazy importing mercurial.node, it is used all over
the place anyway. So consistently import the used symbols directly.
Fix one file using symbols indirectly via mercurial.revlog.
Differential Revision: https://phab.mercurial-scm.org/D9480
author | Joerg Sonnenberger <joerg@bec.de> |
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date | Tue, 01 Dec 2020 21:54:46 +0100 |
parents | f0bee3b1b847 |
children | b9f40b743627 |
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# i18n.py - internationalization support for mercurial # # Copyright 2005, 2006 Matt Mackall <mpm@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. from __future__ import absolute_import import gettext as gettextmod import locale import os import sys from .pycompat import getattr from .utils import resourceutil from . import ( encoding, pycompat, ) # 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 langid = ctypes.windll.kernel32.GetUserDefaultUILanguage() _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 except AttributeError: _ugettext = t.gettext _msgcache = {} # encoding: {message: translation} def gettext(message): """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 pycompat.unicode: # goofy unicode docstrings in test paragraphs = message.split(u'\n\n') 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 else: _ = gettext