Create logparser.py

Author: ajish-antony

logparser.py

@@ -0,0 +1,40 @@
+#!/usr/bin/env  python3
+
+
+
+import re
+
+
+regex_host = r'(?P<host>.*?)'
+regex_identity = r'(?P<identity>\S+)'
+regex_user = r'(?P<user>\S+)'
+regex_time = r'\[(?P<time>.*?)\]'
+regex_request = r'\"(?P<request>.*?)\"'
+regex_status = r'(?P<status>\d{3})'
+regex_size = r'(?P<size>\S+)'
+regex_referer = r'\"(?P<referer>.*?)\"'
+regex_agent = r'\"(?P<agent>.*?)\"'
+regex_space = r'\s'
+
+pattern = regex_host + regex_space + regex_identity + regex_space + \
+          regex_user + regex_space + regex_time + regex_space + \
+                  regex_request + regex_space + regex_status + regex_space + \
+                  regex_size + regex_space + regex_referer + regex_space + \
+                  regex_agent
+
+
+def parser(s):
+        """
+        return type : dict()
+        return format: {
+                       host:str , identity:str , user:str ,
+                                           time:str ,request:str , status:str ,
+                                           size:str , referer:str, agent:str
+                                        }
+        returns None if failed.
+        """
+        try:
+                parts = re.match(pattern,s)
+                return parts.groupdict()
+        except Exception as err:
+                print(err)