traffic-debugtags.py

#!/usr/bin/python

import subprocess
import re

trafficserver_source_dir = "/Users/danielxu/dev/trafficserver"

def main():

        # Run the unix `grep` command
        try:
                output = subprocess.check_output("grep -Ihr 'Debug(\"' {0}".format(trafficserver_source_dir), shell=True, stderr=subprocess.STDOUT)
        except subprocess.CalledProcessError, e:
                print "Some kind of error happened"
                print e.output

        # Parse results of `grep`
        tags = []
        lines = output.split('\n')
        for line in lines:
                line = line.strip()

                # Hueristic detection of debug statements
                # We only want the tags to `Debug()` functions
                if line[0:6] != "Debug(":
                        continue

                # Find the two "'s and extract what's between them
                index1 = line.find('"', 0)
                index2 = line.find('"', index1+1)
                tag = line[index1+1:index2]
                if ' ' not in tag and tag not in tags:
                        tags.append(tag)

        #acc = ""
        for tag in tags:
                #acc += tag + ", "
                print tag
        #print acc

if __name__ == '__main__':
        print 'Recursively grubbing for debug tags in: {0}'.format(trafficserver_source_dir)
        main()