def url(pattern, handler, name=None, prefix='', **kwargs):
if isinstance(handler, (list, tuple)) or hasattr(handler, 'urlpatterns'):
urls = []
if hasattr(handler, 'urlpatterns'):
handler = getattr(handler, 'urlpatterns', [])
for route in handler:
if isinstance(route, (list, tuple)):
temp = [url(pattern + r.pattern, r.handler, r.name, **r.kwargs) for r in route]
urls.extend(temp)
else:
u = Url(pattern+route.pattern, route.handler, route.name, **route.kwargs)
urls.append(u)
return urls
elif isinstance(handler, str):
if prefix.strip():
handler = prefix + '.' + handler
handler = import_object(handler)
return Url(pattern, handler, name, **kwargs)
elif callable(handler):
return Url(pattern, handler, name, **kwargs)
else:
raise TypeError('view must be a callable or a list/tuple in the case of include().')
def load_filter_class(self):
"""
:return:
"""
return [
import_object(backend) for backend in self.filter_backend_list
if backend is not None
]
def get_hashers():
hashers = []
for hasher_path in settings.PASSWORD_HASHERS:
hasher = import_object(hasher_path)()
if not getattr(hasher, 'algorithm'):
raise ImproperlyConfigured(
"hasher doesn't specify an algorithm name: %s" % hasher_path)
hashers.append(hasher)
return hashers
def paginator(self):
"""
分页处理实例对象，如没配置返回None,反之对应的实例
"""
if not hasattr(self, '_paginator'):
paginator = None if self.pagination_class is None else import_object(
self.pagination_class)()
setattr(self, "_paginator", paginator)
return self._paginator
def get_parsers():
parsers = []
for parser_path in settings.PARSER_CLASSES:
parser = import_object(parser_path)()
if not getattr(parser, 'media_type'):
raise ImproperlyConfigured(
"parser没有定义media_type值: {parser_path}".format(
parser_path=parser_path))
parsers.append(parser)
return parsers
def url(pattern, handler, kwargs=None, name=None, prefix=''):
"""
指定URL和处理程序之间的映射，即tornado.web.URLSpec
"""
if isinstance(handler, (list, tuple)):
return [(pattern + p, h, k, n) for p, h, k, n in handler]
elif hasattr(handler, 'urlpatterns'):
return [(pattern + p, h, k, n)
for p, h, k, n in getattr(handler, 'urlpatterns', [])]
elif isinstance(handler, str):
if prefix.strip():
handler = prefix + '.' + handler
handler = import_object(handler)
return pattern, handler, kwargs, name
elif callable(handler):
return pattern, handler, kwargs, name
else:
raise TypeError(
'view must be a callable or a list/tuple in the case of include().'
)