Apache access log file regex parsing

apache_log_parse.py

import re
from pprint import pprint

def parse_request(request_str):
    pattern = re.compile(r"""(?P<method>.*)\s     # method, space
			                 (?P<url>.*)\s	  # url, space
			                 (?P<protocol>.*)	  # protocol
			              """, re.VERBOSE)
    match = pattern.match(request_str)
    request = {
	'method': match.group("method"),
	'url': match.group("url"),
	'protocol': match.group("protocol"),
	'__raw__': request_str
    }
    
    return request

def parse(s):
    pattern = re.compile(r"""(?P<ip>(\d{1,3}\.){3}\d{1,3})\s   # ip, space
                             (?P<client>.*)\s       	       # client, space
			                 (?P<username>.*)\s       	       # username, space
                             \[(?P<date>.*)\]\s   	       # date, space
                             "(?P<request>.*)"\s  	       # request, space
			                 (?P<response>\d{3})\s	       # response code
                             (?P<ret>.*)		       # return size
		            	""", re.VERBOSE)
    match = pattern.match(s)

    log_entry = {
	'ip': match.group("ip"),
	'client': match.group("client"),
	'username': match.group("username"),
	'date': match.group("date"),
	'request': parse_request(match.group("request")),
	'response': match.group("response"),
	'return_size': match.group("ret")
    }

    return log_entry


if __name__ == "__main__":
    s = "10.223.157.186 - - [15/Jul/2009:15:50:35 -0700] \"GET /assets/js/lowpro.js HTTP/1.1\" 200 10469"

    log_e = parse(s)
    pprint(log_e)