76 lines
2.1 KiB
Python
76 lines
2.1 KiB
Python
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import os
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def messages_path():
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"""
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Determine the path to the 'messages' directory as best possible.
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"""
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module_path = os.path.abspath(__file__)
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locale_path = os.path.join(os.path.dirname(module_path), 'locale')
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if not os.path.exists(locale_path):
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locale_path = '/usr/share/locale'
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return locale_path
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def get_builtin_gnu_translations(languages=None):
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"""
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Get a gettext.GNUTranslations object pointing at the
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included translation files.
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:param languages:
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A list of languages to try, in order. If omitted or None, then
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gettext will try to use locale information from the environment.
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"""
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import gettext
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return gettext.translation('wtforms', messages_path(), languages)
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def get_translations(languages=None, getter=get_builtin_gnu_translations):
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"""
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Get a WTForms translation object which wraps a low-level translations object.
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:param languages:
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A sequence of languages to try, in order.
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:param getter:
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A single-argument callable which returns a low-level translations object.
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"""
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translations = getter(languages)
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if hasattr(translations, 'ugettext'):
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return DefaultTranslations(translations)
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else:
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# Python 3 has no ugettext/ungettext, so just return the translations object.
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return translations
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class DefaultTranslations(object):
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"""
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A WTForms translations object to wrap translations objects which use
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ugettext/ungettext.
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"""
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def __init__(self, translations):
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self.translations = translations
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def gettext(self, string):
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return self.translations.ugettext(string)
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def ngettext(self, singular, plural, n):
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return self.translations.ungettext(singular, plural, n)
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class DummyTranslations(object):
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"""
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A translations object which simply returns unmodified strings.
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This is typically used when translations are disabled or if no valid
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translations provider can be found.
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"""
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def gettext(self, string):
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return string
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def ngettext(self, singular, plural, n):
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if n == 1:
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return singular
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return plural
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