You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
693 lines
25 KiB
693 lines
25 KiB
import collections
|
|
import re
|
|
import string
|
|
import zlib
|
|
from enum import IntEnum
|
|
|
|
from multidict import CIMultiDict, CIMultiDictProxy
|
|
from yarl import URL
|
|
|
|
from . import hdrs
|
|
from .helpers import NO_EXTENSIONS
|
|
from .http_exceptions import (BadStatusLine, ContentEncodingError,
|
|
ContentLengthError, InvalidHeader, LineTooLong,
|
|
TransferEncodingError)
|
|
from .http_writer import HttpVersion, HttpVersion10
|
|
from .log import internal_logger
|
|
from .streams import EMPTY_PAYLOAD, StreamReader
|
|
|
|
|
|
try:
|
|
import brotli
|
|
HAS_BROTLI = True
|
|
except ImportError: # pragma: no cover
|
|
HAS_BROTLI = False
|
|
|
|
|
|
__all__ = (
|
|
'HttpParser', 'HttpRequestParser', 'HttpResponseParser',
|
|
'RawRequestMessage', 'RawResponseMessage')
|
|
|
|
ASCIISET = set(string.printable)
|
|
METHRE = re.compile('[A-Z0-9$-_.]+')
|
|
VERSRE = re.compile(r'HTTP/(\d+).(\d+)')
|
|
HDRRE = re.compile(rb'[\x00-\x1F\x7F()<>@,;:\[\]={} \t\\\\\"]')
|
|
|
|
RawRequestMessage = collections.namedtuple(
|
|
'RawRequestMessage',
|
|
['method', 'path', 'version', 'headers', 'raw_headers',
|
|
'should_close', 'compression', 'upgrade', 'chunked', 'url'])
|
|
|
|
RawResponseMessage = collections.namedtuple(
|
|
'RawResponseMessage',
|
|
['version', 'code', 'reason', 'headers', 'raw_headers',
|
|
'should_close', 'compression', 'upgrade', 'chunked'])
|
|
|
|
|
|
class ParseState(IntEnum):
|
|
|
|
PARSE_NONE = 0
|
|
PARSE_LENGTH = 1
|
|
PARSE_CHUNKED = 2
|
|
PARSE_UNTIL_EOF = 3
|
|
|
|
|
|
class ChunkState(IntEnum):
|
|
PARSE_CHUNKED_SIZE = 0
|
|
PARSE_CHUNKED_CHUNK = 1
|
|
PARSE_CHUNKED_CHUNK_EOF = 2
|
|
PARSE_MAYBE_TRAILERS = 3
|
|
PARSE_TRAILERS = 4
|
|
|
|
|
|
class HttpParser:
|
|
|
|
def __init__(self, protocol=None, loop=None,
|
|
max_line_size=8190, max_headers=32768, max_field_size=8190,
|
|
timer=None, code=None, method=None, readall=False,
|
|
payload_exception=None,
|
|
response_with_body=True, read_until_eof=False,
|
|
auto_decompress=True):
|
|
self.protocol = protocol
|
|
self.loop = loop
|
|
self.max_line_size = max_line_size
|
|
self.max_headers = max_headers
|
|
self.max_field_size = max_field_size
|
|
self.timer = timer
|
|
self.code = code
|
|
self.method = method
|
|
self.readall = readall
|
|
self.payload_exception = payload_exception
|
|
self.response_with_body = response_with_body
|
|
self.read_until_eof = read_until_eof
|
|
|
|
self._lines = []
|
|
self._tail = b''
|
|
self._upgraded = False
|
|
self._payload = None
|
|
self._payload_parser = None
|
|
self._auto_decompress = auto_decompress
|
|
|
|
def feed_eof(self):
|
|
if self._payload_parser is not None:
|
|
self._payload_parser.feed_eof()
|
|
self._payload_parser = None
|
|
else:
|
|
# try to extract partial message
|
|
if self._tail:
|
|
self._lines.append(self._tail)
|
|
|
|
if self._lines:
|
|
if self._lines[-1] != '\r\n':
|
|
self._lines.append('')
|
|
try:
|
|
return self.parse_message(self._lines)
|
|
except Exception:
|
|
return None
|
|
|
|
def feed_data(self, data,
|
|
SEP=b'\r\n', EMPTY=b'',
|
|
CONTENT_LENGTH=hdrs.CONTENT_LENGTH,
|
|
METH_CONNECT=hdrs.METH_CONNECT,
|
|
SEC_WEBSOCKET_KEY1=hdrs.SEC_WEBSOCKET_KEY1):
|
|
|
|
messages = []
|
|
|
|
if self._tail:
|
|
data, self._tail = self._tail + data, b''
|
|
|
|
data_len = len(data)
|
|
start_pos = 0
|
|
loop = self.loop
|
|
|
|
while start_pos < data_len:
|
|
|
|
# read HTTP message (request/response line + headers), \r\n\r\n
|
|
# and split by lines
|
|
if self._payload_parser is None and not self._upgraded:
|
|
pos = data.find(SEP, start_pos)
|
|
# consume \r\n
|
|
if pos == start_pos and not self._lines:
|
|
start_pos = pos + 2
|
|
continue
|
|
|
|
if pos >= start_pos:
|
|
# line found
|
|
self._lines.append(data[start_pos:pos])
|
|
start_pos = pos + 2
|
|
|
|
# \r\n\r\n found
|
|
if self._lines[-1] == EMPTY:
|
|
try:
|
|
msg = self.parse_message(self._lines)
|
|
finally:
|
|
self._lines.clear()
|
|
|
|
# payload length
|
|
length = msg.headers.get(CONTENT_LENGTH)
|
|
if length is not None:
|
|
try:
|
|
length = int(length)
|
|
except ValueError:
|
|
raise InvalidHeader(CONTENT_LENGTH)
|
|
if length < 0:
|
|
raise InvalidHeader(CONTENT_LENGTH)
|
|
|
|
# do not support old websocket spec
|
|
if SEC_WEBSOCKET_KEY1 in msg.headers:
|
|
raise InvalidHeader(SEC_WEBSOCKET_KEY1)
|
|
|
|
self._upgraded = msg.upgrade
|
|
|
|
method = getattr(msg, 'method', self.method)
|
|
|
|
# calculate payload
|
|
if ((length is not None and length > 0) or
|
|
msg.chunked and not msg.upgrade):
|
|
payload = StreamReader(
|
|
self.protocol, timer=self.timer, loop=loop)
|
|
payload_parser = HttpPayloadParser(
|
|
payload, length=length,
|
|
chunked=msg.chunked, method=method,
|
|
compression=msg.compression,
|
|
code=self.code, readall=self.readall,
|
|
response_with_body=self.response_with_body,
|
|
auto_decompress=self._auto_decompress)
|
|
if not payload_parser.done:
|
|
self._payload_parser = payload_parser
|
|
elif method == METH_CONNECT:
|
|
payload = StreamReader(
|
|
self.protocol, timer=self.timer, loop=loop)
|
|
self._upgraded = True
|
|
self._payload_parser = HttpPayloadParser(
|
|
payload, method=msg.method,
|
|
compression=msg.compression, readall=True,
|
|
auto_decompress=self._auto_decompress)
|
|
else:
|
|
if (getattr(msg, 'code', 100) >= 199 and
|
|
length is None and self.read_until_eof):
|
|
payload = StreamReader(
|
|
self.protocol, timer=self.timer, loop=loop)
|
|
payload_parser = HttpPayloadParser(
|
|
payload, length=length,
|
|
chunked=msg.chunked, method=method,
|
|
compression=msg.compression,
|
|
code=self.code, readall=True,
|
|
response_with_body=self.response_with_body,
|
|
auto_decompress=self._auto_decompress)
|
|
if not payload_parser.done:
|
|
self._payload_parser = payload_parser
|
|
else:
|
|
payload = EMPTY_PAYLOAD
|
|
|
|
messages.append((msg, payload))
|
|
else:
|
|
self._tail = data[start_pos:]
|
|
data = EMPTY
|
|
break
|
|
|
|
# no parser, just store
|
|
elif self._payload_parser is None and self._upgraded:
|
|
assert not self._lines
|
|
break
|
|
|
|
# feed payload
|
|
elif data and start_pos < data_len:
|
|
assert not self._lines
|
|
try:
|
|
eof, data = self._payload_parser.feed_data(
|
|
data[start_pos:])
|
|
except BaseException as exc:
|
|
if self.payload_exception is not None:
|
|
self._payload_parser.payload.set_exception(
|
|
self.payload_exception(str(exc)))
|
|
else:
|
|
self._payload_parser.payload.set_exception(exc)
|
|
|
|
eof = True
|
|
data = b''
|
|
|
|
if eof:
|
|
start_pos = 0
|
|
data_len = len(data)
|
|
self._payload_parser = None
|
|
continue
|
|
else:
|
|
break
|
|
|
|
if data and start_pos < data_len:
|
|
data = data[start_pos:]
|
|
else:
|
|
data = EMPTY
|
|
|
|
return messages, self._upgraded, data
|
|
|
|
def parse_headers(self, lines):
|
|
"""Parses RFC 5322 headers from a stream.
|
|
|
|
Line continuations are supported. Returns list of header name
|
|
and value pairs. Header name is in upper case.
|
|
"""
|
|
headers = CIMultiDict()
|
|
raw_headers = []
|
|
|
|
lines_idx = 1
|
|
line = lines[1]
|
|
line_count = len(lines)
|
|
|
|
while line:
|
|
# Parse initial header name : value pair.
|
|
try:
|
|
bname, bvalue = line.split(b':', 1)
|
|
except ValueError:
|
|
raise InvalidHeader(line) from None
|
|
|
|
bname = bname.strip(b' \t')
|
|
bvalue = bvalue.lstrip()
|
|
if HDRRE.search(bname):
|
|
raise InvalidHeader(bname)
|
|
if len(bname) > self.max_field_size:
|
|
raise LineTooLong(
|
|
"request header name {}".format(
|
|
bname.decode("utf8", "xmlcharrefreplace")),
|
|
self.max_field_size,
|
|
len(bname))
|
|
|
|
header_length = len(bvalue)
|
|
|
|
# next line
|
|
lines_idx += 1
|
|
line = lines[lines_idx]
|
|
|
|
# consume continuation lines
|
|
continuation = line and line[0] in (32, 9) # (' ', '\t')
|
|
|
|
if continuation:
|
|
bvalue = [bvalue]
|
|
while continuation:
|
|
header_length += len(line)
|
|
if header_length > self.max_field_size:
|
|
raise LineTooLong(
|
|
'request header field {}'.format(
|
|
bname.decode("utf8", "xmlcharrefreplace")),
|
|
self.max_field_size,
|
|
header_length)
|
|
bvalue.append(line)
|
|
|
|
# next line
|
|
lines_idx += 1
|
|
if lines_idx < line_count:
|
|
line = lines[lines_idx]
|
|
if line:
|
|
continuation = line[0] in (32, 9) # (' ', '\t')
|
|
else:
|
|
line = b''
|
|
break
|
|
bvalue = b''.join(bvalue)
|
|
else:
|
|
if header_length > self.max_field_size:
|
|
raise LineTooLong(
|
|
'request header field {}'.format(
|
|
bname.decode("utf8", "xmlcharrefreplace")),
|
|
self.max_field_size,
|
|
header_length)
|
|
|
|
bvalue = bvalue.strip()
|
|
name = bname.decode('utf-8', 'surrogateescape')
|
|
value = bvalue.decode('utf-8', 'surrogateescape')
|
|
|
|
headers.add(name, value)
|
|
raw_headers.append((bname, bvalue))
|
|
|
|
close_conn = None
|
|
encoding = None
|
|
upgrade = False
|
|
chunked = False
|
|
raw_headers = tuple(raw_headers)
|
|
headers = CIMultiDictProxy(headers)
|
|
|
|
# keep-alive
|
|
conn = headers.get(hdrs.CONNECTION)
|
|
if conn:
|
|
v = conn.lower()
|
|
if v == 'close':
|
|
close_conn = True
|
|
elif v == 'keep-alive':
|
|
close_conn = False
|
|
elif v == 'upgrade':
|
|
upgrade = True
|
|
|
|
# encoding
|
|
enc = headers.get(hdrs.CONTENT_ENCODING)
|
|
if enc:
|
|
enc = enc.lower()
|
|
if enc in ('gzip', 'deflate', 'br'):
|
|
encoding = enc
|
|
|
|
# chunking
|
|
te = headers.get(hdrs.TRANSFER_ENCODING)
|
|
if te and 'chunked' in te.lower():
|
|
chunked = True
|
|
|
|
return headers, raw_headers, close_conn, encoding, upgrade, chunked
|
|
|
|
|
|
class HttpRequestParser(HttpParser):
|
|
"""Read request status line. Exception .http_exceptions.BadStatusLine
|
|
could be raised in case of any errors in status line.
|
|
Returns RawRequestMessage.
|
|
"""
|
|
|
|
def parse_message(self, lines):
|
|
# request line
|
|
line = lines[0].decode('utf-8', 'surrogateescape')
|
|
try:
|
|
method, path, version = line.split(None, 2)
|
|
except ValueError:
|
|
raise BadStatusLine(line) from None
|
|
|
|
if len(path) > self.max_line_size:
|
|
raise LineTooLong(
|
|
'Status line is too long', self.max_line_size, len(path))
|
|
|
|
# method
|
|
method = method.upper()
|
|
if not METHRE.match(method):
|
|
raise BadStatusLine(method)
|
|
|
|
# version
|
|
try:
|
|
if version.startswith('HTTP/'):
|
|
n1, n2 = version[5:].split('.', 1)
|
|
version = HttpVersion(int(n1), int(n2))
|
|
else:
|
|
raise BadStatusLine(version)
|
|
except Exception:
|
|
raise BadStatusLine(version)
|
|
|
|
# read headers
|
|
(headers, raw_headers,
|
|
close, compression, upgrade, chunked) = self.parse_headers(lines)
|
|
|
|
if close is None: # then the headers weren't set in the request
|
|
if version <= HttpVersion10: # HTTP 1.0 must asks to not close
|
|
close = True
|
|
else: # HTTP 1.1 must ask to close.
|
|
close = False
|
|
|
|
return RawRequestMessage(
|
|
method, path, version, headers, raw_headers,
|
|
close, compression, upgrade, chunked, URL(path))
|
|
|
|
|
|
class HttpResponseParser(HttpParser):
|
|
"""Read response status line and headers.
|
|
|
|
BadStatusLine could be raised in case of any errors in status line.
|
|
Returns RawResponseMessage"""
|
|
|
|
def parse_message(self, lines):
|
|
line = lines[0].decode('utf-8', 'surrogateescape')
|
|
try:
|
|
version, status = line.split(None, 1)
|
|
except ValueError:
|
|
raise BadStatusLine(line) from None
|
|
|
|
try:
|
|
status, reason = status.split(None, 1)
|
|
except ValueError:
|
|
reason = ''
|
|
|
|
if len(reason) > self.max_line_size:
|
|
raise LineTooLong(
|
|
'Status line is too long', self.max_line_size,
|
|
len(reason))
|
|
|
|
# version
|
|
match = VERSRE.match(version)
|
|
if match is None:
|
|
raise BadStatusLine(line)
|
|
version = HttpVersion(int(match.group(1)), int(match.group(2)))
|
|
|
|
# The status code is a three-digit number
|
|
try:
|
|
status = int(status)
|
|
except ValueError:
|
|
raise BadStatusLine(line) from None
|
|
|
|
if status > 999:
|
|
raise BadStatusLine(line)
|
|
|
|
# read headers
|
|
(headers, raw_headers,
|
|
close, compression, upgrade, chunked) = self.parse_headers(lines)
|
|
|
|
if close is None:
|
|
close = version <= HttpVersion10
|
|
|
|
return RawResponseMessage(
|
|
version, status, reason.strip(),
|
|
headers, raw_headers, close, compression, upgrade, chunked)
|
|
|
|
|
|
class HttpPayloadParser:
|
|
|
|
def __init__(self, payload,
|
|
length=None, chunked=False, compression=None,
|
|
code=None, method=None,
|
|
readall=False, response_with_body=True, auto_decompress=True):
|
|
self.payload = payload
|
|
|
|
self._length = 0
|
|
self._type = ParseState.PARSE_NONE
|
|
self._chunk = ChunkState.PARSE_CHUNKED_SIZE
|
|
self._chunk_size = 0
|
|
self._chunk_tail = b''
|
|
self._auto_decompress = auto_decompress
|
|
self.done = False
|
|
|
|
# payload decompression wrapper
|
|
if response_with_body and compression and self._auto_decompress:
|
|
payload = DeflateBuffer(payload, compression)
|
|
|
|
# payload parser
|
|
if not response_with_body:
|
|
# don't parse payload if it's not expected to be received
|
|
self._type = ParseState.PARSE_NONE
|
|
payload.feed_eof()
|
|
self.done = True
|
|
|
|
elif chunked:
|
|
self._type = ParseState.PARSE_CHUNKED
|
|
elif length is not None:
|
|
self._type = ParseState.PARSE_LENGTH
|
|
self._length = length
|
|
if self._length == 0:
|
|
payload.feed_eof()
|
|
self.done = True
|
|
else:
|
|
if readall and code != 204:
|
|
self._type = ParseState.PARSE_UNTIL_EOF
|
|
elif method in ('PUT', 'POST'):
|
|
internal_logger.warning( # pragma: no cover
|
|
'Content-Length or Transfer-Encoding header is required')
|
|
self._type = ParseState.PARSE_NONE
|
|
payload.feed_eof()
|
|
self.done = True
|
|
|
|
self.payload = payload
|
|
|
|
def feed_eof(self):
|
|
if self._type == ParseState.PARSE_UNTIL_EOF:
|
|
self.payload.feed_eof()
|
|
elif self._type == ParseState.PARSE_LENGTH:
|
|
raise ContentLengthError(
|
|
"Not enough data for satisfy content length header.")
|
|
elif self._type == ParseState.PARSE_CHUNKED:
|
|
raise TransferEncodingError(
|
|
"Not enough data for satisfy transfer length header.")
|
|
|
|
def feed_data(self, chunk, SEP=b'\r\n', CHUNK_EXT=b';'):
|
|
# Read specified amount of bytes
|
|
if self._type == ParseState.PARSE_LENGTH:
|
|
required = self._length
|
|
chunk_len = len(chunk)
|
|
|
|
if required >= chunk_len:
|
|
self._length = required - chunk_len
|
|
self.payload.feed_data(chunk, chunk_len)
|
|
if self._length == 0:
|
|
self.payload.feed_eof()
|
|
return True, b''
|
|
else:
|
|
self._length = 0
|
|
self.payload.feed_data(chunk[:required], required)
|
|
self.payload.feed_eof()
|
|
return True, chunk[required:]
|
|
|
|
# Chunked transfer encoding parser
|
|
elif self._type == ParseState.PARSE_CHUNKED:
|
|
if self._chunk_tail:
|
|
chunk = self._chunk_tail + chunk
|
|
self._chunk_tail = b''
|
|
|
|
while chunk:
|
|
|
|
# read next chunk size
|
|
if self._chunk == ChunkState.PARSE_CHUNKED_SIZE:
|
|
pos = chunk.find(SEP)
|
|
if pos >= 0:
|
|
i = chunk.find(CHUNK_EXT, 0, pos)
|
|
if i >= 0:
|
|
size = chunk[:i] # strip chunk-extensions
|
|
else:
|
|
size = chunk[:pos]
|
|
|
|
try:
|
|
size = int(bytes(size), 16)
|
|
except ValueError:
|
|
exc = TransferEncodingError(chunk[:pos])
|
|
self.payload.set_exception(exc)
|
|
raise exc from None
|
|
|
|
chunk = chunk[pos+2:]
|
|
if size == 0: # eof marker
|
|
self._chunk = ChunkState.PARSE_MAYBE_TRAILERS
|
|
else:
|
|
self._chunk = ChunkState.PARSE_CHUNKED_CHUNK
|
|
self._chunk_size = size
|
|
self.payload.begin_http_chunk_receiving()
|
|
else:
|
|
self._chunk_tail = chunk
|
|
return False, None
|
|
|
|
# read chunk and feed buffer
|
|
if self._chunk == ChunkState.PARSE_CHUNKED_CHUNK:
|
|
required = self._chunk_size
|
|
chunk_len = len(chunk)
|
|
|
|
if required > chunk_len:
|
|
self._chunk_size = required - chunk_len
|
|
self.payload.feed_data(chunk, chunk_len)
|
|
return False, None
|
|
else:
|
|
self._chunk_size = 0
|
|
self.payload.feed_data(chunk[:required], required)
|
|
chunk = chunk[required:]
|
|
self._chunk = ChunkState.PARSE_CHUNKED_CHUNK_EOF
|
|
self.payload.end_http_chunk_receiving()
|
|
|
|
# toss the CRLF at the end of the chunk
|
|
if self._chunk == ChunkState.PARSE_CHUNKED_CHUNK_EOF:
|
|
if chunk[:2] == SEP:
|
|
chunk = chunk[2:]
|
|
self._chunk = ChunkState.PARSE_CHUNKED_SIZE
|
|
else:
|
|
self._chunk_tail = chunk
|
|
return False, None
|
|
|
|
# if stream does not contain trailer, after 0\r\n
|
|
# we should get another \r\n otherwise
|
|
# trailers needs to be skiped until \r\n\r\n
|
|
if self._chunk == ChunkState.PARSE_MAYBE_TRAILERS:
|
|
if chunk[:2] == SEP:
|
|
# end of stream
|
|
self.payload.feed_eof()
|
|
return True, chunk[2:]
|
|
else:
|
|
self._chunk = ChunkState.PARSE_TRAILERS
|
|
|
|
# read and discard trailer up to the CRLF terminator
|
|
if self._chunk == ChunkState.PARSE_TRAILERS:
|
|
pos = chunk.find(SEP)
|
|
if pos >= 0:
|
|
chunk = chunk[pos+2:]
|
|
self._chunk = ChunkState.PARSE_MAYBE_TRAILERS
|
|
else:
|
|
self._chunk_tail = chunk
|
|
return False, None
|
|
|
|
# Read all bytes until eof
|
|
elif self._type == ParseState.PARSE_UNTIL_EOF:
|
|
self.payload.feed_data(chunk, len(chunk))
|
|
|
|
return False, None
|
|
|
|
|
|
class DeflateBuffer:
|
|
"""DeflateStream decompress stream and feed data into specified stream."""
|
|
|
|
def __init__(self, out, encoding):
|
|
self.out = out
|
|
self.size = 0
|
|
self.encoding = encoding
|
|
self._started_decoding = False
|
|
|
|
if encoding == 'br':
|
|
if not HAS_BROTLI: # pragma: no cover
|
|
raise ContentEncodingError(
|
|
'Can not decode content-encoding: brotli (br). '
|
|
'Please install `brotlipy`')
|
|
self.decompressor = brotli.Decompressor()
|
|
else:
|
|
zlib_mode = (16 + zlib.MAX_WBITS
|
|
if encoding == 'gzip' else -zlib.MAX_WBITS)
|
|
self.decompressor = zlib.decompressobj(wbits=zlib_mode)
|
|
|
|
def set_exception(self, exc):
|
|
self.out.set_exception(exc)
|
|
|
|
def feed_data(self, chunk, size):
|
|
self.size += size
|
|
try:
|
|
chunk = self.decompressor.decompress(chunk)
|
|
except Exception:
|
|
if not self._started_decoding and self.encoding == 'deflate':
|
|
self.decompressor = zlib.decompressobj()
|
|
try:
|
|
chunk = self.decompressor.decompress(chunk)
|
|
except Exception:
|
|
raise ContentEncodingError(
|
|
'Can not decode content-encoding: %s' % self.encoding)
|
|
else:
|
|
raise ContentEncodingError(
|
|
'Can not decode content-encoding: %s' % self.encoding)
|
|
|
|
if chunk:
|
|
self._started_decoding = True
|
|
self.out.feed_data(chunk, len(chunk))
|
|
|
|
def feed_eof(self):
|
|
chunk = self.decompressor.flush()
|
|
|
|
if chunk or self.size > 0:
|
|
self.out.feed_data(chunk, len(chunk))
|
|
if self.encoding == 'deflate' and not self.decompressor.eof:
|
|
raise ContentEncodingError('deflate')
|
|
|
|
self.out.feed_eof()
|
|
|
|
def begin_http_chunk_receiving(self):
|
|
self.out.begin_http_chunk_receiving()
|
|
|
|
def end_http_chunk_receiving(self):
|
|
self.out.end_http_chunk_receiving()
|
|
|
|
|
|
HttpRequestParserPy = HttpRequestParser
|
|
HttpResponseParserPy = HttpResponseParser
|
|
RawRequestMessagePy = RawRequestMessage
|
|
RawResponseMessagePy = RawResponseMessage
|
|
|
|
try:
|
|
if not NO_EXTENSIONS: # pragma: no cover
|
|
from ._http_parser import (HttpRequestParser, # type: ignore # noqa
|
|
HttpResponseParser,
|
|
RawRequestMessage,
|
|
RawResponseMessage)
|
|
HttpRequestParserC = HttpRequestParser
|
|
HttpResponseParserC = HttpResponseParser
|
|
RawRequestMessageC = RawRequestMessage
|
|
RawResponseMessageC = RawResponseMessage
|
|
except ImportError: # pragma: no cover
|
|
pass
|