super simple SFZ Parser in Python (Python 2.7)

sfzparser.py

# i claim no copyright on this code and place it in the public domain.
# do whatever you want with this code...

import argparse
parser = argparse.ArgumentParser(description='show differences of two views')
o = parser.add_argument    
o('files', type=str, help='files to process', nargs='+')
#o('-b', '--boolarg', action='store_true', help="")
#o('-s', '--strarg',  help="")
args = parser.parse_args()

import re

comments = re.compile(r'//.*$', re.M)
lookfor  = re.compile(r'<(\w+)>|(\w+)=([^\s]+)')

groupdata = {}
regiondata = {}

regions = []

for fn in args.files:
    text = open(fn).read()
    text = re.sub(comments, '', text)

    current = None
    
    for m in re.finditer(lookfor, text):

        if m.group(1) == 'group':
            groupdata = {}
            current   = groupdata
        elif m.group(1) == 'region':
            if regiondata != {}:
                regions.append(regiondata)
            regiondata = {}
            regiondata.update(groupdata)
            current = regiondata
        else:
            current[m.group(2)] = m.group(3)

    print regions