Travis log analyzer

travis_log.py

import re, json, datetime
from sys import argv,exit

def parse_log(filename):
    try:
        fh = open(filename)
    except Exception as e:
        print "Error in opening file: %s" % str(e)
    lines = fh.readlines()
    fh.close()
    # Sanitize travis log
    lines = [ re.sub(r'\[0K', '', line) for line in lines ]
    tasks = {}
    for i in range(0, len(lines)-1):
        startpat = re.compile("travis_time:start:([a-z\d]+)")
        matchObj = re.match(startpat, lines[i])

        if matchObj:
            # We found a task being started, create a dict in task array
            tasks[matchObj.group(1)] = {}
            tasks[matchObj.group(1)]['command'] = lines[i+1]
        endpat = re.compile("travis_time:end:([a-z\d]+).*duration=(\d+)")
        matchObj = re.match(endpat, lines[i])
        if matchObj:
            # We found a task being completed, add completion stats in the dict
            seconds = long(matchObj.group(2)) / 10**9
            # Only if the task took more than 5s
            if (seconds < 5 ):
                del tasks[matchObj.group(1)]
                next
            else:
                tasks[matchObj.group(1)]['duration'] =  str(datetime.timedelta(seconds=int(seconds)))

    print json.dumps(tasks)

if __name__ == "__main__":
    if (len(argv) != 2):
        print "Usage: python travis_log.py <filename>"
        exit(1)
    parse_log(str(argv[1]))