def start_response(status, headers, exc_info=None):
if self.complete and not exc_info:
raise AssertionError("start_response called a second time "
"without providing exc_info.")
if exc_info:
try:
if self.wrote_header:
# higher levels will catch and handle raised exception:
# 1. "service" method in task.py
# 2. "service" method in channel.py
# 3. "handler_thread" method in task.py
reraise(exc_info[0], exc_info[1], exc_info[2])
else:
# As per WSGI spec existing headers must be cleared
self.response_headers = []
finally:
exc_info = None
self.complete = True
if not status.__class__ is str:
raise AssertionError('status %s is not a string' % status)
if '\n' in status or '\r' in status:
raise ValueError("carriage return/line "
"feed character present in status")
self.status = status
# Prepare the headers for output
for k, v in headers:
if not isinstance(k, basestring):
raise AssertionError(
'Header name %r is not a string in %r' % (k, (k, v))
)
if not isinstance(v, basestring):
raise AssertionError(
'Header value %r is not a string in %r' % (v, (k, v))
)
if '\n' in v or '\r' in v:
raise ValueError("carriage return/line "
"feed character present in header value")
if '\n' in k or '\r' in k:
raise ValueError("carriage return/line "
"feed character present in header name")
kl = k.lower()
if kl == 'content-length':
self.content_length = int(v)
elif kl in hop_by_hop:
raise AssertionError(
'%s is a "hop-by-hop" header; it cannot be used by '
'a WSGI application (see PEP 3333)' % k)
self.response_headers.extend(headers)
# Return a method used to write the response data.
return self.write
def start_response(status, headers, exc_info=None):
if self.complete and not exc_info:
raise AssertionError("start_response called a second time "
"without providing exc_info.")
if exc_info:
try:
if self.wrote_header:
# higher levels will catch and handle raised exception:
# 1. "service" method in task.py
# 2. "service" method in channel.py
# 3. "handler_thread" method in task.py
reraise(exc_info[0], exc_info[1], exc_info[2])
else:
# As per WSGI spec existing headers must be cleared
self.response_headers = []
finally:
exc_info = None
self.complete = True
if not status.__class__ is str:
raise AssertionError('status %s is not a string' % status)
if '\n' in status or '\r' in status:
raise ValueError("carriage return/line "
"feed character present in status")
self.status = status
# Prepare the headers for output
for k, v in headers:
if not k.__class__ is str:
raise AssertionError(
'Header name %r is not a string in %r' % (k, (k, v))
)
if not v.__class__ is str:
raise AssertionError(
'Header value %r is not a string in %r' % (v, (k, v))
)
if '\n' in v or '\r' in v:
raise ValueError("carriage return/line "
"feed character present in header value")
if '\n' in k or '\r' in k:
raise ValueError("carriage return/line "
"feed character present in header name")
kl = k.lower()
if kl == 'content-length':
self.content_length = int(v)
elif kl in hop_by_hop:
raise AssertionError(
'%s is a "hop-by-hop" header; it cannot be used by '
'a WSGI application (see PEP 3333)' % k)
self.response_headers.extend(headers)
# Return a method used to write the response data.
return self.write
def start_response(status, headers, exc_info=None):
if self.complete and not exc_info:
raise AssertionError("start_response called a second time " "without providing exc_info.")
if exc_info:
try:
if self.wrote_header:
# higher levels will catch and handle raised exception:
# 1. "service" method in task.py
# 2. "service" method in channel.py
# 3. "handler_thread" method in task.py
reraise(exc_info[0], exc_info[1], exc_info[2])
else:
# As per WSGI spec existing headers must be cleared
self.response_headers = []
finally:
exc_info = None
self.complete = True
if not status.__class__ is str:
raise AssertionError("status %s is not a string" % status)
self.status = status
# Prepare the headers for output
for k, v in headers:
if not k.__class__ is str:
raise AssertionError("Header name %r is not a string in %r" % (k, (k, v)))
if not v.__class__ is str:
raise AssertionError("Header value %r is not a string in %r" % (v, (k, v)))
kl = k.lower()
if kl == "content-length":
self.content_length = int(v)
elif kl in hop_by_hop:
raise AssertionError(
'%s is a "hop-by-hop" header; it cannot be used by ' "a WSGI application (see PEP 3333)" % k
)
self.response_headers.extend(headers)
# Return a method used to write the response data.
return self.write