# coding=utf-8

"""
light
20170715
批量修改文件名
    """
import os
import re


class ReformFileName(object):
    def __init__(self):
        self.renames("/home/light/PycharmProjects/fetchcore/src/fetchcore/")

    def renames(self, dire):
        if not os.path.isdir(dire):
            raise Exception("dire error")
        for item in os.listdir(dire):
            path = os.path.join(dire, item)
            if os.path.isdir(path):
                self.renames(path)
            elif os.path.isfile(path):
                res = self.rules(item)
                if res:
                    self.rename(dire, item, res)

    def rules(self, name):
        temp = re.findall(r'(.*).pyc_dis$', name)
        if temp:
            new_name = temp[0] + '.py'
            return new_name
        else:
            return False

    def rename(self, path, name, new_name):
        if os.path.exists(os.path.join(path, new_name)):
            pass
            os.remove(os.path.join(path, name))
            # raise Exception(' %s exist' % os.path.join(path, new_name))
        else:
            os.rename(os.path.join(path, name), os.path.join(path, new_name))
        # os.rename()

if __name__ == "__main__":
    temp = ReformFileName()