Mercurial > hg
annotate mercurial/i18n.py @ 8076:5ec526c1a32f
help texts: write command line switches as -a/--abc
author | Martin Geisler <mg@lazybytes.net> |
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date | Sat, 18 Apr 2009 14:40:21 +0200 |
parents | de377b1a9a84 |
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1 """ |
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2 i18n.py - internationalization support for mercurial |
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3 |
2859 | 4 Copyright 2005, 2006 Matt Mackall <mpm@selenic.com> |
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5 |
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6 This software may be used and distributed according to the terms |
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7 of the GNU General Public License, incorporated herein by reference. |
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8 """ |
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9 |
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10 import gettext, sys, os, encoding |
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11 |
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12 # modelled after templater.templatepath: |
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13 if hasattr(sys, 'frozen'): |
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14 module = sys.executable |
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15 else: |
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16 module = __file__ |
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17 |
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18 base = os.path.dirname(module) |
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19 for dir in ('.', '..'): |
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20 localedir = os.path.normpath(os.path.join(base, dir, 'locale')) |
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21 if os.path.isdir(localedir): |
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22 break |
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23 |
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24 t = gettext.translation('hg', localedir, fallback=True) |
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25 |
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26 def gettext(message): |
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27 """Translate message. |
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28 |
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29 The message is looked up in the catalog to get a Unicode string, |
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30 which is encoded in the local encoding before being returned. |
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31 |
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32 Important: message is restricted to characters in the encoding |
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33 given by sys.getdefaultencoding() which is most likely 'ascii'. |
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34 """ |
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35 # If message is None, t.ugettext will return u'None' as the |
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36 # translation whereas our callers expect us to return None. |
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37 if message is None: |
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38 return message |
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39 |
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40 # We cannot just run the text through encoding.tolocal since that |
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41 # leads to infinite recursion when encoding._encoding is invalid. |
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42 try: |
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43 u = t.ugettext(message) |
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44 return u.encode(encoding.encoding, "replace") |
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45 except LookupError: |
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46 return message |
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47 |
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48 _ = gettext |
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49 |