python 脚本

python.py

#!/usr/bin/python
# coding=utf-8

import os.path
import sys
import shutil

"""
getpath.py [path]
命令行所在目录
或 命令行所在目录与path的组合
"""

def get_script_path():
    # __file__ 当前脚本完整文件名
    return os.path.dirname(__file__)

def getpath():
    dir = '.'
    if len(sys.argv) == 2:
        dir = sys.argv[1]
    return os.path.abspath(dir)
    
    
def readfile(filename):
    if not os.path.exists(filename):
        return None
    with open(filename) as f:
        data = f.read()
        f.close()
        return data

def writefile(filename, data):
    with open(filename, 'w') as f:
        f.write(data)
        f.close()
        
def appendfile(filename, data):
    with open(filename, 'a') as f:
        f.write(data)
        f.write('\n')
        f.close()
        
def md5file(filename):
    with open(filename, 'rb') as f:
        data = f.read()
        f.close()
        m = hashlib.md5()
        m.update(data)
        return m.hexdigest()