+
−from django.core.urlresolvers import RegexURLPattern, RegexURLResolver
+
−from django.core.exceptions import ImproperlyConfigured
+
−
+
−__all__ = ['handler404', 'handler500', 'include', 'patterns', 'url']
+
−
+
−handler404 = 'django.views.defaults.page_not_found'
+
−handler500 = 'django.views.defaults.server_error'
+
−
+
−include = lambda urlconf_module: [urlconf_module]
+
−
+
−def patterns(prefix, *args):
+
−    pattern_list = []
+
−    for t in args:
+
−        if isinstance(t, (list, tuple)):
+
−            t = url(prefix=prefix, *t)
+
−        elif isinstance(t, RegexURLPattern):
+
−            t.add_prefix(prefix)
+
−        pattern_list.append(t)
+
−    return pattern_list
+
−
+
−def url(regex, view, kwargs=None, name=None, prefix=''):
+
−    if type(view) == list:
+
−        # For include(...) processing.
+
−        return RegexURLResolver(regex, view[0], kwargs)
+
−    else:
+
−        if isinstance(view, basestring):
+
−            if not view:
+
−                raise ImproperlyConfigured('Empty URL pattern view name not permitted (for pattern %r)' % regex)
+
−            if prefix:
+
−                view = prefix + '.' + view
+
−        return RegexURLPattern(regex, view, kwargs, name)
+
−