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47 lines
1.2 KiB
47 lines
1.2 KiB
import gettext |
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class _(unicode): |
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observers = set() |
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lang = None |
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def __new__(cls, s, *args, **kwargs): |
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if _.lang is None: |
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_.switch_lang('en') |
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t = _.translate(s, *args, **kwargs) |
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o = super(_, cls).__new__(cls, t) |
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o.source_text = s |
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return o |
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@staticmethod |
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def translate(s, *args, **kwargs): |
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tr = _.lang(s).format(args, kwargs) |
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tr = tr.decode('utf8') |
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return tr |
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@staticmethod |
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def bind(label): |
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try: |
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_.observers.add(label) |
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except: |
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pass |
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# garbage collection |
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new = set() |
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for label in _.observers: |
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try: |
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new.add(label) |
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except: |
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pass |
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_.observers = new |
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@staticmethod |
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def switch_lang(lang): |
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# get the right locales directory, and instanciate a gettext |
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from electrum.i18n import LOCALE_DIR |
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locales = gettext.translation('electrum', LOCALE_DIR, languages=[lang], fallback=True) |
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_.lang = locales.gettext |
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for label in _.observers: |
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try: |
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label.text = _(label.text.source_text) |
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except: |
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pass
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