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112 lines
3.9 KiB
112 lines
3.9 KiB
#!/usr/bin/env python |
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# |
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# Electrum - lightweight Bitcoin client |
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# Copyright (C) 2012 thomasv@gitorious |
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# |
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# Permission is hereby granted, free of charge, to any person |
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# obtaining a copy of this software and associated documentation files |
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# (the "Software"), to deal in the Software without restriction, |
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# including without limitation the rights to use, copy, modify, merge, |
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# publish, distribute, sublicense, and/or sell copies of the Software, |
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# and to permit persons to whom the Software is furnished to do so, |
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# subject to the following conditions: |
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# |
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# The above copyright notice and this permission notice shall be |
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# included in all copies or substantial portions of the Software. |
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# |
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
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# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
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# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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# SOFTWARE. |
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import os |
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from typing import Optional |
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import gettext |
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from .logging import get_logger |
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_logger = get_logger(__name__) |
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LOCALE_DIR = os.path.join(os.path.dirname(__file__), 'locale') |
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# Set initial default language to None. i.e. translations explicitly disabled. |
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# The main script or GUIs can call set_language to enable translations. |
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language = gettext.translation('electrum', fallback=True, class_=gettext.NullTranslations) |
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# note: do not use old-style (%) formatting inside translations, |
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# as syntactically incorrectly translated strings would raise exceptions (see #3237). |
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# e.g. consider _("Connected to %d nodes.") % n |
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# >>> "Connecté aux noeuds" % n |
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# TypeError: not all arguments converted during string formatting |
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# note: f-strings cannot be translated! see https://stackoverflow.com/q/49797658 |
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# So this does not work: _(f"My name: {name}") |
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# instead use .format: _("My name: {}").format(name) |
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def _(msg: str, *, context=None) -> str: |
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if msg == "": |
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return "" # empty string must not be translated. see #7158 |
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global language |
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if context: |
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contexts = [context] |
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if context[-1] != "|": # try with both "|" suffix and without |
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contexts.append(context + "|") |
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else: |
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contexts.append(context[:-1]) |
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for ctx in contexts: |
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out = language.pgettext(ctx, msg) |
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if out != msg: # found non-trivial translation |
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return out |
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# else try without context |
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return language.gettext(msg) |
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def set_language(x: Optional[str]) -> None: |
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_logger.info(f"setting language to {x!r}") |
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global language |
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if x: |
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language = gettext.translation('electrum', LOCALE_DIR, fallback=True, languages=[x]) |
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languages = { |
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'': _('Default'), |
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'ar_SA': _('Arabic'), |
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'bg_BG': _('Bulgarian'), |
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'cs_CZ': _('Czech'), |
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'da_DK': _('Danish'), |
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'de_DE': _('German'), |
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'el_GR': _('Greek'), |
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'eo_UY': _('Esperanto'), |
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'en_UK': _('English'), |
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'es_ES': _('Spanish'), |
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'fa_IR': _('Persian'), |
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'fr_FR': _('French'), |
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'hu_HU': _('Hungarian'), |
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'hy_AM': _('Armenian'), |
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'id_ID': _('Indonesian'), |
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'it_IT': _('Italian'), |
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'ja_JP': _('Japanese'), |
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'ky_KG': _('Kyrgyz'), |
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'lv_LV': _('Latvian'), |
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'nb_NO': _('Norwegian Bokmal'), |
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'nl_NL': _('Dutch'), |
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'pl_PL': _('Polish'), |
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'pt_BR': _('Portuguese (Brazil)'), |
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'pt_PT': _('Portuguese'), |
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'ro_RO': _('Romanian'), |
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'ru_RU': _('Russian'), |
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'sk_SK': _('Slovak'), |
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'sl_SI': _('Slovenian'), |
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'sv_SE': _('Swedish'), |
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'ta_IN': _('Tamil'), |
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'th_TH': _('Thai'), |
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'tr_TR': _('Turkish'), |
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'uk_UA': _('Ukrainian'), |
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'vi_VN': _('Vietnamese'), |
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'zh_CN': _('Chinese Simplified'), |
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'zh_TW': _('Chinese Traditional') |
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} |
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assert '' in languages
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