python 查找目录中最大的python文件 脚本

"""
 Find the largest Python source file in an entire directory tree.
 Search the Python source lib, use pprint to display results nicely.
 """
import sys, os, pprint
 trace = False
 if sys.platform.startswith('win'):
 dirname = r'C:\Python31\Lib'                 # Windows
 else:
 dirname = '/usr/lib/python'                  # Unix, Linux, Cygwin
allsizes = []
 for (thisDir, subsHere, filesHere) in os.walk(dirname):
 if trace: print(thisDir)
 for filename in filesHere:
 if filename.endswith('.py'):
 if trace: print('...', filename)
 fullname = os.path.join(thisDir, filename)
 fullsize = os.path.getsize(fullname)
 allsizes.append((fullsize, fullname))
allsizes.sort()
 pprint.pprint(allsizes[:2])
 pprint.pprint(allsizes[-2:])

dirname=r'/root' if len(sys.argv)==1 else sys.argv[1]
"""
 Find the largest Python source file in a single directory.
 Search Windows Python source lib, unless dir command-line arg.
 """
import os, glob, sys
 dirname = r'C:\Python31\Lib' if len(sys.argv) == 1 else sys.argv[1]
allsizes = []
 allpy = glob.glob(dirname + os.sep + '*.py')
 for filename in allpy:
 filesize = os.path.getsize(filename)
 allsizes.append((filesize, filename))
allsizes.sort()
 print(allsizes[:2])
 print(allsizes[-2:])