Py_Files_PPrint.py

import os, pprint
from sys import argv, exc_info

trace  = 1
dirname, extname = os.curdir, '.py'
if len(argv) > 1: dirname = argv[1]
if len(argv) > 2: extname = argv[2]
if len(argv) > 3: trace = int(argv[3])

def tryprint(arg):
    try:
        print(arg)
    except UnicodeEncodeError:
        print(arg.encode())

visited = set()
allsizes = []

for (thisdir, subdir, files) in os.walk(dirname):
    if trace: tryprint(thisdir)
    thisdir = os.path.normpath(thisdir)
    fixname = os.path.normcase(thisdir)
    if fixname in visited:
        tryprint('skipping'+ thisdir)
    else:
        visited.add(fixname)
        for filename in files:
            if filename.endswith(extname):
                if trace > 1: tryprint('+++' + filename)
                fullname = os.path.join(thisdir, filename)
                try:
                    bytesize = os.path.getsize(fullname)
                    linesize = sum(+1 for line in open(fullname, 'rb'))
                except Exception:
                    print('error', exc_info()[0])
                else:
                    allsizes.append((bytesize, linesize, fullname))

for (title, key) in [('bytes', 0), ('lines', 1)]:
    print('\nBy %s...' % title)
    allsizes.sort(key=lambda x: x[key])
    pprint.pprint(allsizes[:2])
    pprint.pprint(allsizes[-2:])