50 lines
1.4 KiB
Python
50 lines
1.4 KiB
Python
import gettext
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from kivy.lang import Observable
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class Translation(Observable):
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"""Original source - https://github.com/tito/kivy-gettext-example."""
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observers = []
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def __init__(self, defaultlang, domian, resource_dir):
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super().__init__()
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self.ugettext = None
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self.lang = defaultlang
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self.domian = domian
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self.resource_dir = resource_dir
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self.switch_lang(self.lang)
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def _(self, text):
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return self.ugettext(text)
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def fbind(self, name, func, args, **kwargs):
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if name == "_":
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self.observers.append((func, args, kwargs))
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else:
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return super().fbind(name, func, *args, **kwargs)
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def funbind(self, name, func, args, **kwargs):
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if name == "_":
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key = (func, args, kwargs)
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if key in self.observers:
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self.observers.remove(key)
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else:
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return super().funbind(name, func, *args, **kwargs)
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def switch_lang(self, lang):
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locales = gettext.translation(
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self.domian, self.resource_dir, languages=[lang]
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)
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try:
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self.ugettext = locales.ugettext
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except AttributeError:
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self.ugettext = locales.gettext
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for func, largs, kwargs in self.observers:
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try:
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func(largs, None, None)
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except ReferenceError:
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pass
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