65 lines
2.5 KiB
Python
65 lines
2.5 KiB
Python
from importlib import import_module
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from django.core.urlresolvers import (RegexURLPattern,
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RegexURLResolver, LocaleRegexURLResolver)
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from django.core.exceptions import ImproperlyConfigured
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from django.utils import six
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__all__ = ['handler400', 'handler403', 'handler404', 'handler500', 'include', 'patterns', 'url']
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handler400 = 'django.views.defaults.bad_request'
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handler403 = 'django.views.defaults.permission_denied'
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handler404 = 'django.views.defaults.page_not_found'
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handler500 = 'django.views.defaults.server_error'
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def include(arg, namespace=None, app_name=None):
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if isinstance(arg, tuple):
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# callable returning a namespace hint
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if namespace:
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raise ImproperlyConfigured('Cannot override the namespace for a dynamic module that provides a namespace')
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urlconf_module, app_name, namespace = arg
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else:
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# No namespace hint - use manually provided namespace
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urlconf_module = arg
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if isinstance(urlconf_module, six.string_types):
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urlconf_module = import_module(urlconf_module)
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patterns = getattr(urlconf_module, 'urlpatterns', urlconf_module)
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# Make sure we can iterate through the patterns (without this, some
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# testcases will break).
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if isinstance(patterns, (list, tuple)):
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for url_pattern in patterns:
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# Test if the LocaleRegexURLResolver is used within the include;
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# this should throw an error since this is not allowed!
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if isinstance(url_pattern, LocaleRegexURLResolver):
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raise ImproperlyConfigured(
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'Using i18n_patterns in an included URLconf is not allowed.')
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return (urlconf_module, app_name, namespace)
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def patterns(prefix, *args):
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pattern_list = []
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for t in args:
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if isinstance(t, (list, tuple)):
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t = url(prefix=prefix, *t)
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elif isinstance(t, RegexURLPattern):
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t.add_prefix(prefix)
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pattern_list.append(t)
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return pattern_list
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def url(regex, view, kwargs=None, name=None, prefix=''):
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if isinstance(view, (list,tuple)):
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# For include(...) processing.
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urlconf_module, app_name, namespace = view
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return RegexURLResolver(regex, urlconf_module, kwargs, app_name=app_name, namespace=namespace)
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else:
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if isinstance(view, six.string_types):
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if not view:
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raise ImproperlyConfigured('Empty URL pattern view name not permitted (for pattern %r)' % regex)
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if prefix:
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view = prefix + '.' + view
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return RegexURLPattern(regex, view, kwargs, name)
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