python实现代码行数统计示例分享

#!/usr/bin/python

'''
        file      : count.py
        author    : mike
        e-mail    : [e-mail]
'''
import sys,os

extens = [".c",".cpp",".hpp",".h"]
linescount = 0
filescount = 0

def funcount(dirname):
    global extens,linescount,filescount
    for root,dirs,filenames in os.walk(dirname):
        for f in filenames:
            fname = os.path.join(root,f)
            try :
                ext = f[f.rindex('.'):]
                if(extens.count(ext) > 0):
                    print 'support'
                    filescount += 1
                    print fname
                    l_count = len(open(fname).readlines())
                    print fname," : ",l_count
                    linescount += l_count
                else:
                    print ext," : not support"
            except:
                print "error occur!"
                pass

if len(sys.argv) > 1 :
    for m_dir in sys.argv[1:]:       
        print m_dir
        funcount(m_dir)
else :
    funcount(".")       

print "files count : ",filescount
print "lines count : ",linescount

raw_input("press enter to continue")

使用方法
1、针对本目录

./count.py

2、统计多个目录

./count.py /tmp ~