peterbe/indentations.py

## indentations.py
import re
from collections import defaultdict

start = re.compile('^\s+')


def avg(fn):
    prev = None
    diffs = []
    for line in open(fn):
        if not line.strip():
            continue
        try:
            L = len(start.findall(line)[0])
        except IndexError:
            L = 0
        if prev is not None:
            diffs.append(abs(prev - L))
        prev = L
    counts = defaultdict(int)
    for diff in diffs:
        if diff == 0:
            continue
        counts[diff] += 1
    counts = sorted(counts.items(), lambda x,y: cmp(y[1], x[1]))
    try:
        most_common = counts[0]
        return most_common[0]
    except IndexError:
        return None

if __name__ == '__main__':
    import sys
    filenames = sys.argv[1:]
    for filename in filenames:
        a = avg(filename)
        if a:
            print a, '\t', filename
	import re
	from collections import defaultdict

	start = re.compile('^\s+')


	def avg(fn):
	prev = None
	diffs = []
	for line in open(fn):
	if not line.strip():
	continue
	try:
	L = len(start.findall(line)[0])
	except IndexError:
	L = 0
	if prev is not None:
	diffs.append(abs(prev - L))
	prev = L
	counts = defaultdict(int)
	for diff in diffs:
	if diff == 0:
	continue
	counts[diff] += 1
	counts = sorted(counts.items(), lambda x,y: cmp(y[1], x[1]))
	try:
	most_common = counts[0]
	return most_common[0]
	except IndexError:
	return None

	if __name__ == '__main__':
	import sys
	filenames = sys.argv[1:]
	for filename in filenames:
	a = avg(filename)
	if a:
	print a, '\t', filename