def _handle_header_ex(stream, line, handle_done):
''' Handles the HEADER_EX event '''
context = stream.opaque
line = line.rstrip()
if not line:
logging.debug('<')
handle_done(stream)
return
logging.debug('< %s', six.bytes_to_string_safe(line, 'utf-8'))
# Note: must preceed header parsing to permit colons in folded line(s)
if context.last_hdr and line[0:1] in (SPACE, TAB):
value = context.headers[context.last_hdr]
value += SPACE
value += line.strip()
# Note: make sure there are no leading or trailing spaces
context.headers[context.last_hdr] = value.strip()
return
index = line.find(COLON)
if index >= 0:
name, value = line.split(COLON, 1)
name = name.strip().lower()
value = value.strip()
if name not in context.headers:
context.headers[name] = value
else:
#
# "Multiple message-header fields with the same field-name MAY
# be present in a message if and only if the entire field-value
# for that header field is defined as a comma-separated list
# [i.e., #(values)]. It MUST be possible to combine the multiple
# header fields into one "field-name: field-value" pair, without
# changing the semantics of the message, by appending each
# subsequent field-value to the first, each separated by
# a comma." (RFC2616, sect. 4.2)
#
context.headers[name] += COMMASPACE
context.headers[name] += value
context.last_hdr = name
return
#
# N.B. I have observed that this error is often triggered when one
# overrides handle_end_of_body() and forgets to invoke the parent class
# method, which resets the line reader.
#
raise RuntimeError('http_clnt: internal error #2')
def _handle_firstline(self, stream, line):
''' Handles the FIRSTLINE event '''
context = stream.opaque
line = line.rstrip()
logging.debug('< %s', six.bytes_to_string_safe(line, 'utf-8'))
vector = line.split(None, 2)
if len(vector) != 3:
raise RuntimeError('http_clnt: invalid first line')
context.protocol = vector[0]
if not context.protocol.startswith(HTTP_PREFIX):
raise RuntimeError('http_clnt: invalid protocol')
if context.protocol not in (HTTP11, HTTP10):
raise RuntimeError('http_clnt: unsuppored protocol')
context.code = vector[1]
context.reason = vector[2]
context.last_hdr = EMPTY_STRING
context.headers = {}
context.handle_line = self._handle_header
