def __init__(self, detail=None, headers=None, comment=None):
assert self.code, "Do not directly instantiate abstract exceptions."
assert isinstance(
headers,
(type(None), list)), ("headers must be None or a list: %r" %
headers)
assert isinstance(
detail,
(type(None), basestring)), ("detail must be None or a string: %r" %
detail)
assert isinstance(
comment,
(type(None),
basestring)), ("comment must be None or a string: %r" % comment)
self.headers = headers or tuple()
for req in self.required_headers:
assert headers and has_header(headers, req), (
"Exception %s must be passed the header %r "
"(got headers: %r)" % (self.__class__.__name__, req, headers))
if detail is not None:
self.detail = detail
if comment is not None:
self.comment = comment
Exception.__init__(
self, "%s %s\n%s\n%s\n" %
(self.code, self.title, self.explanation, self.detail))
def add_no_cache_headers(event):
""" Add no-cache headers if this response doesnt already have a
Cache-Control header"""
response = event.response
if response is not None:
if not has_header(response.headerlist, 'Cache-Control'):
response.headerlist.append(
('Cache-Control', 'private, must-revalidate'))
def add_no_cache_headers(event):
""" Add no-cache headers if this response doesnt already have a
Cache-Control header"""
response = event.response
if response is not None:
if not has_header(response.headerlist, 'Cache-Control'):
response.headerlist.append(
('Cache-Control',
'private, must-revalidate'))
def __init__(self, detail=None, headers=None, comment=None):
assert self.code, "Do not directly instantiate abstract exceptions."
assert isinstance(headers, (type(None), list)), (
"headers must be None or a list: %r"
% headers)
assert isinstance(detail, (type(None), six.binary_type, six.text_type)), (
"detail must be None or a string: %r" % detail)
assert isinstance(comment, (type(None), six.binary_type, six.text_type)), (
"comment must be None or a string: %r" % comment)
self.headers = headers or tuple()
for req in self.required_headers:
assert headers and has_header(headers, req), (
"Exception %s must be passed the header %r "
"(got headers: %r)"
% (self.__class__.__name__, req, headers))
if detail is not None:
self.detail = detail
if comment is not None:
self.comment = comment
Exception.__init__(self,"%s %s\n%s\n%s\n" % (
self.code, self.title, self.explanation, self.detail))
