1 # copyright 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved. |
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2 # contact http://www.logilab.fr/ -- mailto:contact@logilab.fr |
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3 # |
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4 # This file is part of CubicWeb. |
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5 # |
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6 # CubicWeb is free software: you can redistribute it and/or modify it under the |
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7 # terms of the GNU Lesser General Public License as published by the Free |
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8 # Software Foundation, either version 2.1 of the License, or (at your option) |
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9 # any later version. |
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10 # |
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11 # CubicWeb is distributed in the hope that it will be useful, but WITHOUT |
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12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
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13 # FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more |
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14 # details. |
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15 # |
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16 # You should have received a copy of the GNU Lesser General Public License along |
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17 # with CubicWeb. If not, see <http://www.gnu.org/licenses/>. |
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18 |
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19 import gettext |
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20 |
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21 |
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22 class cwGNUTranslations(gettext.GNUTranslations): |
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23 # The encoding of a msgctxt and a msgid in a .mo file is |
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24 # msgctxt + "\x04" + msgid (gettext version >= 0.15) |
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25 CONTEXT_ENCODING = "%s\x04%s" |
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26 |
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27 def pgettext(self, context, message): |
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28 ctxt_msg_id = self.CONTEXT_ENCODING % (context, message) |
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29 missing = object() |
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30 tmsg = self._catalog.get(ctxt_msg_id, missing) |
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31 if tmsg is missing: |
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32 if self._fallback: |
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33 return self._fallback.pgettext(context, message) |
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34 return message |
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35 # Encode the Unicode tmsg back to an 8-bit string, if possible |
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36 if self._output_charset: |
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37 return tmsg.encode(self._output_charset) |
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38 elif self._charset: |
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39 return tmsg.encode(self._charset) |
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40 return tmsg |
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41 |
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42 def lpgettext(self, context, message): |
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43 ctxt_msg_id = self.CONTEXT_ENCODING % (context, message) |
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44 missing = object() |
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45 tmsg = self._catalog.get(ctxt_msg_id, missing) |
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46 if tmsg is missing: |
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47 if self._fallback: |
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48 return self._fallback.lpgettext(context, message) |
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49 return message |
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50 if self._output_charset: |
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51 return tmsg.encode(self._output_charset) |
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52 return tmsg.encode(locale.getpreferredencoding()) |
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53 |
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54 def npgettext(self, context, msgid1, msgid2, n): |
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55 ctxt_msg_id = self.CONTEXT_ENCODING % (context, msgid1) |
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56 try: |
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57 tmsg = self._catalog[(ctxt_msg_id, self.plural(n))] |
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58 if self._output_charset: |
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59 return tmsg.encode(self._output_charset) |
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60 elif self._charset: |
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61 return tmsg.encode(self._charset) |
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62 return tmsg |
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63 except KeyError: |
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64 if self._fallback: |
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65 return self._fallback.npgettext(context, msgid1, msgid2, n) |
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66 if n == 1: |
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67 return msgid1 |
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68 else: |
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69 return msgid2 |
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70 |
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71 def lnpgettext(self, context, msgid1, msgid2, n): |
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72 ctxt_msg_id = self.CONTEXT_ENCODING % (context, msgid1) |
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73 try: |
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74 tmsg = self._catalog[(ctxt_msg_id, self.plural(n))] |
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75 if self._output_charset: |
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76 return tmsg.encode(self._output_charset) |
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77 return tmsg.encode(locale.getpreferredencoding()) |
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78 except KeyError: |
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79 if self._fallback: |
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80 return self._fallback.lnpgettext(context, msgid1, msgid2, n) |
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81 if n == 1: |
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82 return msgid1 |
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83 else: |
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84 return msgid2 |
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85 |
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86 def upgettext(self, context, message): |
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87 ctxt_message_id = self.CONTEXT_ENCODING % (context, message) |
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88 missing = object() |
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89 tmsg = self._catalog.get(ctxt_message_id, missing) |
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90 if tmsg is missing: |
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91 # XXX logilab patch for compat w/ catalog generated by cw < 3.5 |
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92 return self.ugettext(message) |
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93 if self._fallback: |
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94 return self._fallback.upgettext(context, message) |
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95 return unicode(message) |
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96 return tmsg |
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97 |
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98 def unpgettext(self, context, msgid1, msgid2, n): |
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99 ctxt_message_id = self.CONTEXT_ENCODING % (context, msgid1) |
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100 try: |
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101 tmsg = self._catalog[(ctxt_message_id, self.plural(n))] |
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102 except KeyError: |
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103 if self._fallback: |
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104 return self._fallback.unpgettext(context, msgid1, msgid2, n) |
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105 if n == 1: |
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106 tmsg = unicode(msgid1) |
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107 else: |
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108 tmsg = unicode(msgid2) |
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109 return tmsg |
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110 |
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111 |
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112 def translation(domain, localedir=None, languages=None, |
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113 class_=None, fallback=False, codeset=None): |
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114 if class_ is None: |
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115 class_ = cwGNUTranslations |
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116 return gettext.translation(domain, localedir=localedir, |
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117 languages=languages, class_=class_, |
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118 fallback=fallback, codeset=codeset) |
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