A keyword counter for Python scripts

kwcounter.py

#!/usr/bin/env python2.6

'''
For each Python script in the current directory, prints the total
number of keywords used and the partial number for each keyword.
'''

import collections
import glob
import keyword

scripts = {}
for script in glob.iglob('*.py'):
    results = collections.defaultdict(int)
    with open(script) as f:
        tokens = [token.strip(':') for line in f
                       for token in line.split()]
        for token in tokens:
            if token in keyword.kwlist:
                results[token] += 1
        scripts[script] = (sum(results.values()), dict(results))

# print statistics for each script
for name, (total, kws) in scripts.items():
    print '%s uses %d reserved words:' % (name, total)
    print ', '.join('%d %s' % (kws[k], k) for k in sorted(kws))