65 lines
1.9 KiB
Python
65 lines
1.9 KiB
Python
from django.conf import settings
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from django.utils.translation import get_supported_language_variant
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from django.utils.translation.trans_real import language_code_re
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from . import Error, Tags, register
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E001 = Error(
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'You have provided an invalid value for the LANGUAGE_CODE setting: {!r}.',
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id='translation.E001',
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)
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E002 = Error(
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'You have provided an invalid language code in the LANGUAGES setting: {!r}.',
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id='translation.E002',
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)
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E003 = Error(
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'You have provided an invalid language code in the LANGUAGES_BIDI setting: {!r}.',
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id='translation.E003',
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)
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E004 = Error(
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'You have provided a value for the LANGUAGE_CODE setting that is not in '
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'the LANGUAGES setting.',
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id='translation.E004',
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)
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@register(Tags.translation)
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def check_setting_language_code(app_configs, **kwargs):
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"""Error if LANGUAGE_CODE setting is invalid."""
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tag = settings.LANGUAGE_CODE
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if not isinstance(tag, str) or not language_code_re.match(tag):
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return [Error(E001.msg.format(tag), id=E001.id)]
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return []
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@register(Tags.translation)
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def check_setting_languages(app_configs, **kwargs):
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"""Error if LANGUAGES setting is invalid."""
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return [
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Error(E002.msg.format(tag), id=E002.id)
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for tag, _ in settings.LANGUAGES if not isinstance(tag, str) or not language_code_re.match(tag)
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]
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@register(Tags.translation)
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def check_setting_languages_bidi(app_configs, **kwargs):
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"""Error if LANGUAGES_BIDI setting is invalid."""
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return [
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Error(E003.msg.format(tag), id=E003.id)
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for tag in settings.LANGUAGES_BIDI if not isinstance(tag, str) or not language_code_re.match(tag)
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]
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@register(Tags.translation)
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def check_language_settings_consistent(app_configs, **kwargs):
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"""Error if language settings are not consistent with each other."""
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try:
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get_supported_language_variant(settings.LANGUAGE_CODE)
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except LookupError:
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return [E004]
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else:
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return []
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