django1/django/core/checks/translation.py

65 lines
1.9 KiB
Python

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