http request/response parser
Project description
http-parser
HTTP request/response parser for Python in C under MIT License, based on http-parser from Ryan Dahl.
Project url: https://github.com/benoitc/http-parser/
Requirements:
Python 2.6 or sup.
Cython if you need to rebuild the C code
Installation
$ pip install http-parser
Or install from source:
$ git clone git://github.com/benoitc/http-parser.git $ cd http-parser && python setup.py install
Usage
http-parser provide you parser.HttpParser low-level parser in C that you can access in your python program and http.HttpStream providing higher-level access to a readable,sequential io.RawIOBase object.
To help you in your day work, http-parser prvides you 3 kind of readers in the reader module: IterReader to read iterables, StringReader to reads strings and StringIO objects, SocketReader to read sockets or objects with the same aî (recv_into needed). You cnan of course use any io.RawIOBase object.
Likre http-parser in C you can pass your own callbacks to the C parser, so you can eventually parse asynchronously any HTTP stream. Callbacks are:
on_message_begin() on_path(path) on_query_string(query_string) on_url(url) on_fragment(fragment) on_header_field(field, last_was_value) on_header_value(key, value) on_headers_complete() on_body(chunk) on_message_complete()
Example of HttpStream
ex:
#!/usr/bin/env python
import socket
from http_parser.http import HttpStream
from http_parser.reader import SocketReader
def main():
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
try:
s.connect(('gunicorn.org', 80))
s.send("GET / HTTP/1.1\r\nHost: gunicorn.org\r\n\r\n")
r = SocketReader(s)
p = HttpStream(r)
print p.headers()
print p.body_file().read()
finally:
s.close()
if __name__ == "__main__":
main()
Example of HttpParser:
#!/usr/bin/env python
import socket
from http_parser.parser import HttpParser
def main():
p = HttpParser()
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
body = []
try:
s.connect(('gunicorn.org', 80))
s.send("GET / HTTP/1.1\r\nHost: gunicorn.org\r\n\r\n")
while True:
data = s.recv(1024)
if not data:
break
recved = len(data)
nparsed = p.execute(data, recved)
assert nparsed == recved
if p.is_headers_complete():
print p.get_headers()
if p.is_partial_body():
body.append(p.recv_body())
if p.is_message_complete():
break
print "".join(body)
finally:
s.close()
if __name__ == "__main__":
main()
You can find more docs in the code (or use a doc genererator).
Copyright
2011 (c) Benoît Chesneau <benoitc@e-engura.org>
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