diff options
Diffstat (limited to 'Lib/gettext.py')
| -rw-r--r-- | Lib/gettext.py | 84 |
1 files changed, 75 insertions, 9 deletions
diff --git a/Lib/gettext.py b/Lib/gettext.py index 920742c..72a313a 100644 --- a/Lib/gettext.py +++ b/Lib/gettext.py @@ -57,6 +57,7 @@ __all__ = ['NullTranslations', 'GNUTranslations', 'Catalog', 'bind_textdomain_codeset', 'dgettext', 'dngettext', 'gettext', 'lgettext', 'ldgettext', 'ldngettext', 'lngettext', 'ngettext', + 'pgettext', 'dpgettext', 'npgettext', 'dnpgettext', ] _default_localedir = os.path.join(sys.base_prefix, 'share', 'locale') @@ -311,6 +312,19 @@ class NullTranslations: return tmsg.encode(self._output_charset) return tmsg.encode(locale.getpreferredencoding()) + def pgettext(self, context, message): + if self._fallback: + return self._fallback.pgettext(context, message) + return message + + def npgettext(self, context, msgid1, msgid2, n): + if self._fallback: + return self._fallback.npgettext(context, msgid1, msgid2, n) + if n == 1: + return msgid1 + else: + return msgid2 + def info(self): return self._info @@ -332,15 +346,11 @@ class NullTranslations: def install(self, names=None): import builtins builtins.__dict__['_'] = self.gettext - if hasattr(names, "__contains__"): - if "gettext" in names: - builtins.__dict__['gettext'] = builtins.__dict__['_'] - if "ngettext" in names: - builtins.__dict__['ngettext'] = self.ngettext - if "lgettext" in names: - builtins.__dict__['lgettext'] = self.lgettext - if "lngettext" in names: - builtins.__dict__['lngettext'] = self.lngettext + if names is not None: + allowed = {'gettext', 'lgettext', 'lngettext', + 'ngettext', 'npgettext', 'pgettext'} + for name in allowed & set(names): + builtins.__dict__[name] = getattr(self, name) class GNUTranslations(NullTranslations): @@ -348,6 +358,10 @@ class GNUTranslations(NullTranslations): LE_MAGIC = 0x950412de BE_MAGIC = 0xde120495 + # The encoding of a msgctxt and a msgid in a .mo file is + # msgctxt + "\x04" + msgid (gettext version >= 0.15) + CONTEXT = "%s\x04%s" + # Acceptable .mo versions VERSIONS = (0, 1) @@ -493,6 +507,29 @@ class GNUTranslations(NullTranslations): tmsg = msgid2 return tmsg + def pgettext(self, context, message): + ctxt_msg_id = self.CONTEXT % (context, message) + missing = object() + tmsg = self._catalog.get(ctxt_msg_id, missing) + if tmsg is missing: + if self._fallback: + return self._fallback.pgettext(context, message) + return message + return tmsg + + def npgettext(self, context, msgid1, msgid2, n): + ctxt_msg_id = self.CONTEXT % (context, msgid1) + try: + tmsg = self._catalog[ctxt_msg_id, self.plural(n)] + except KeyError: + if self._fallback: + return self._fallback.npgettext(context, msgid1, msgid2, n) + if n == 1: + tmsg = msgid1 + else: + tmsg = msgid2 + return tmsg + # Locate a .mo file using the gettext strategy def find(domain, localedir=None, languages=None, all=False): @@ -672,6 +709,26 @@ def ldngettext(domain, msgid1, msgid2, n): DeprecationWarning) return t.lngettext(msgid1, msgid2, n) + +def dpgettext(domain, context, message): + try: + t = translation(domain, _localedirs.get(domain, None)) + except OSError: + return message + return t.pgettext(context, message) + + +def dnpgettext(domain, context, msgid1, msgid2, n): + try: + t = translation(domain, _localedirs.get(domain, None)) + except OSError: + if n == 1: + return msgid1 + else: + return msgid2 + return t.npgettext(context, msgid1, msgid2, n) + + def gettext(message): return dgettext(_current_domain, message) @@ -696,6 +753,15 @@ def lngettext(msgid1, msgid2, n): DeprecationWarning) return ldngettext(_current_domain, msgid1, msgid2, n) + +def pgettext(context, message): + return dpgettext(_current_domain, context, message) + + +def npgettext(context, msgid1, msgid2, n): + return dnpgettext(_current_domain, context, msgid1, msgid2, n) + + # dcgettext() has been deemed unnecessary and is not implemented. # James Henstridge's Catalog constructor from GNOME gettext. Documented usage |