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python实现搜索本地文件信息写入文件的方法

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Jun 10, 2016 pm 03:06 PM

python write file search

本文实例讲述了python实现搜索本地文件信息写入文件的方法。分享给大家供大家参考，具体如下：

主要功能：

在指定的盘符，如D盘，搜索出与用户给定后缀名(如：jpg,png)相关的文件，然后把搜索出来的信息(相关文件的绝对路径)，存放到用户指定的文件(如果文件不存在，则建立相应的文件)中

先卡看运行效果吧：

运行效果的前部分：

运行效果的后部分：

写入信息后的文件：

代码部分：

#在指定的盘符，如D盘，搜索出与用户给定后缀名(如：jpg,png)相关的文件
#然后把搜索出来的信息(相关文件的绝对路径)，存放到用户指定的
#文件(如果文件不存在，则建立相应的文件)中
import os
import time
#指定盘符
DESK = 'E:\\'
#信息保存文件的路径
##########    这里请先建立好此文件，我在做文件操作的过程中
##########    使用os.mknod('E:\\info.txt')，系统不会建立文件的
SAVE_FILE = 'E:\\info.txt'
#文件后缀类型
FILE_EXT = ['bmp','jpeg','gif','psd','png','jpg']
#定义全局变量
my_dirs = []
my_files = []
#文件个数
FILES_NUMBER = 0
#符合要求的文件个数
RIGHT_FILES_NUMBER = 0
#不符合要求的文件个数
NOT_RIGHT_FILES_NUMBER = 0
#文件夹个数
DIR_NUMBER = 0
#获取指定文件夹下面的所有文件及文件夹
#如果指定的文件夹不存在，则返回相应的提示信息
def listdir(dir_path):
  if os.path.exists(dir_path):
    return os.listdir(dir_path)
  else:
    return '目录'+ dir_path + '不存在'
#搜索文件主函数
def search_files(path,name):
  if not os.path.isdir(path) and not os.path.isfile(path):
    return False
  path = os.path.join(path,name)
  if os.path.isfile(path): #是文件
    global FILES_NUMBER
    FILES_NUMBER = FILES_NUMBER + 1
    lists = path.split('.')
    #print('============================================',lists)
    file_ext = lists[-1] #文件扩展名
    if file_ext in FILE_EXT:
      global RIGHT_FILES_NUMBER
      RIGHT_FILES_NUMBER = RIGHT_FILES_NUMBER + 1
      global my_files
      now = str(time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time())))
      size = str(get_file_size(path))
      my_files.append(now+'  '+path+'  '+size+'\n')
      print('文件：',path)
    else:
      global NOT_RIGHT_FILES_NUMBER
      NOT_RIGHT_FILES_NUMBER = NOT_RIGHT_FILES_NUMBER + 1
  elif os.path.isdir(path): #是文件夹
    global DIR_NUMBER
    DIR_NUMBER = DIR_NUMBER + 1
    for name in listdir(path):
      #print(os.path.join(path,name))
      search_files(path,name)
#获取文件大小
def get_file_size(path):
  if os.path.exists(path):
    return os.path.getsize(path)
#写入信息
def write_info(content):
  if os.path.exists(path):
    with open(SAVE_FILE,'w+') as fp:
      fp.write(content)
      fp.flush()
      fp.close()
  else:
    print('文件：{}不存在！'.format(SAVE_FILE))
#读取所有信息
def read_info():
  if os.path.exists(path):
    with open(SAVE_FILE,'r+') as fp:
      for line in fp:
        print(line)
  else:
    print('文件：{}不存在！'.format(SAVE_FILE))
if __name__ == '__main__':
  for d in listdir(DESK):
    my_dirs.append(os.path.join(DESK,d))
  print(my_dirs)
  #这里是做测试用的，由于扫描整个盘符涉及到的文件和文件夹很多，可能要花一定的时间
  #所以这里可以使用一个文件夹作为测试
  my_dir = ['E:\\test']
  for path in my_dir:
    search_files(path,'')
  print('#' * 50)
  print(my_files)
  print('#' * 50)
  print('开始写入信息...')
  content = ''.join(my_files)
  write_info(content)
  print('#' * 50)
  print('开始读取信息...')
  read_info()
  print('#' * 50)
  print('搜索文件夹总数：{0},文件总数：{1}'.format(DIR_NUMBER,FILES_NUMBER))
  print('符合要求的文件总数：{0},不符合要求的文件总数：{1}'.format(RIGHT_FILES_NUMBER,NOT_RIGHT_FILES_NUMBER))

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运行控制台情况；

Python 3.3.2 (v3.3.2:d047928ae3f6, May 16 2013, 00:03:43) [MSC v.1600 32 bit (Intel)] on win32
Type "copyright", "credits" or "license()" for more information.
>>> ================================ RESTART ================================
>>> 
['E:\\bb', 'E:\\devlopment', 'E:\\game', 'E:\\hongten_download', 'E:\\info.txt', 'E:\\log4j', 'E:\\mydir', 'E:\\oracle', 'E:\\oracle10.2_win32', 'E:\\RECYCLER', 'E:\\svn_checkout', 'E:\\System Volume Information', 'E:\\test', 'E:\\The KMPlayer', 'E:\\windows', 'E:\\work']
文件： E:\test\20130627_140132Hongten.jpg
文件： E:\test\20130627_182913(1)Hongten.jpg
文件： E:\test\20130627_183008(1)Hongten.jpg
文件： E:\test\20130627_183054Hongten.jpg
文件： E:\test\20130627_183059Hongten.jpg
文件： E:\test\20130627_183101Hongten.jpg
文件： E:\test\20130627_183116Hongten.jpg
文件： E:\test\20130627_183326Hongten.jpg
文件： E:\test\20130627_183714Hongten.jpg
文件： E:\test\20130627_183749Hongten.jpg
文件： E:\test\20130627_183925Hongten.jpg
文件： E:\test\20130627_203658Hongten.jpg
文件： E:\test\20130627_203802Hongten.jpg
文件： E:\test\20130627_205112(1)Hongten.jpg
文件： E:\test\20130627_205131Hongten.jpg
文件： E:\test\20130627_205159Hongten.jpg
文件： E:\test\20130627_205219(1)Hongten.jpg
文件： E:\test\20130627_205257Hongten.jpg
文件： E:\test\20130627_205315Hongten.jpg
文件： E:\test\20130627_205408(1)Hongten.jpg
文件： E:\test\20130627_205425Hongten.jpg
文件： E:\test\20130627_205627Hongten.jpg
文件： E:\test\20130627_205629Hongten.jpg
文件： E:\test\hongten\6.27\20130627_140132Hongten.jpg
文件： E:\test\hongten\6.27\20130627_182913(1)Hongten.jpg
文件： E:\test\hongten\6.27\20130627_183008(1)Hongten.jpg
文件： E:\test\hongten\6.27\20130627_183054Hongten.jpg
文件： E:\test\hongten\6.27\20130627_183059Hongten.jpg
文件： E:\test\hongten\6.27\20130627_183101Hongten.jpg
文件： E:\test\hongten\6.27\20130627_183116Hongten.jpg
文件： E:\test\hongten\6.27\20130627_183326Hongten.jpg
文件： E:\test\hongten\6.27\20130627_183714Hongten.jpg
文件： E:\test\hongten\6.27\20130627_183749Hongten.jpg
文件： E:\test\hongten\6.27\20130627_183925Hongten.jpg
文件： E:\test\hongten\6.27\20130627_203658Hongten.jpg
文件： E:\test\hongten\6.27\20130627_203802Hongten.jpg
文件： E:\test\hongten\6.27\20130627_205112(1)Hongten.jpg
文件： E:\test\hongten\6.27\20130627_205131Hongten.jpg
文件： E:\test\hongten\6.27\20130627_205159Hongten.jpg
文件： E:\test\hongten\6.27\20130627_205219(1)Hongten.jpg
文件： E:\test\hongten\6.27\20130627_205257Hongten.jpg
文件： E:\test\hongten\6.27\20130627_205315Hongten.jpg
文件： E:\test\hongten\6.27\20130627_205408(1)Hongten.jpg
文件： E:\test\hongten\6.27\20130627_205425Hongten.jpg
文件： E:\test\hongten\6.27\20130627_205627Hongten.jpg
文件： E:\test\hongten\6.27\20130627_205629Hongten.jpg
##################################################
['2013-07-28 17:14:49  E:\\test\\20130627_140132Hongten.jpg  0\n', '2013-07-28 17:14:49  E:\\test\\20130627_182913(1)Hongten.jpg  2380747\n', '2013-07-28 17:14:49  E:\\test\\20130627_183008(1)Hongten.jpg  2315326\n', '2013-07-28 17:14:49  E:\\test\\20130627_183054Hongten.jpg  2672977\n', '2013-07-28 17:14:49  E:\\test\\20130627_183059Hongten.jpg  2006608\n', '2013-07-28 17:14:49  E:\\test\\20130627_183101Hongten.jpg  2076974\n', '2013-07-28 17:14:49  E:\\test\\20130627_183116Hongten.jpg  2687018\n', '2013-07-28 17:14:49  E:\\test\\20130627_183326Hongten.jpg  1993448\n', '2013-07-28 17:14:49  E:\\test\\20130627_183714Hongten.jpg  2497973\n', '2013-07-28 17:14:49  E:\\test\\20130627_183749Hongten.jpg  2066327\n', '2013-07-28 17:14:49  E:\\test\\20130627_183925Hongten.jpg  2037776\n', '2013-07-28 17:14:49  E:\\test\\20130627_203658Hongten.jpg  3033996\n', '2013-07-28 17:14:49  E:\\test\\20130627_203802Hongten.jpg  2837396\n', '2013-07-28 17:14:49  E:\\test\\20130627_205112(1)Hongten.jpg  2987659\n', '2013-07-28 17:14:49  E:\\test\\20130627_205131Hongten.jpg  2745724\n', '2013-07-28 17:14:49  E:\\test\\20130627_205159Hongten.jpg  2824810\n', '2013-07-28 17:14:49  E:\\test\\20130627_205219(1)Hongten.jpg  2864744\n', '2013-07-28 17:14:49  E:\\test\\20130627_205257Hongten.jpg  3092656\n', '2013-07-28 17:14:49  E:\\test\\20130627_205315Hongten.jpg  2832393\n', '2013-07-28 17:14:49  E:\\test\\20130627_205408(1)Hongten.jpg  2796261\n', '2013-07-28 17:14:49  E:\\test\\20130627_205425Hongten.jpg  3295286\n', '2013-07-28 17:14:49  E:\\test\\20130627_205627Hongten.jpg  2819717\n', '2013-07-28 17:14:49  E:\\test\\20130627_205629Hongten.jpg  2813522\n', '2013-07-28 17:14:49  E:\\test\\hongten\\6.27\\20130627_140132Hongten.jpg  2571032\n', '2013-07-28 17:14:49  E:\\test\\hongten\\6.27\\20130627_182913(1)Hongten.jpg  2380747\n', '2013-07-28 17:14:49  E:\\test\\hongten\\6.27\\20130627_183008(1)Hongten.jpg  2315326\n', '2013-07-28 17:14:49  E:\\test\\hongten\\6.27\\20130627_183054Hongten.jpg  2672977\n', '2013-07-28 17:14:49  E:\\test\\hongten\\6.27\\20130627_183059Hongten.jpg  2006608\n', '2013-07-28 17:14:49  E:\\test\\hongten\\6.27\\20130627_183101Hongten.jpg  2076974\n', '2013-07-28 17:14:49  E:\\test\\hongten\\6.27\\20130627_183116Hongten.jpg  2687018\n', '2013-07-28 17:14:49  E:\\test\\hongten\\6.27\\20130627_183326Hongten.jpg  1993448\n', '2013-07-28 17:14:49  E:\\test\\hongten\\6.27\\20130627_183714Hongten.jpg  2497973\n', '2013-07-28 17:14:49  E:\\test\\hongten\\6.27\\20130627_183749Hongten.jpg  2066327\n', '2013-07-28 17:14:50  E:\\test\\hongten\\6.27\\20130627_183925Hongten.jpg  2037776\n', '2013-07-28 17:14:50  E:\\test\\hongten\\6.27\\20130627_203658Hongten.jpg  3033996\n', '2013-07-28 17:14:50  E:\\test\\hongten\\6.27\\20130627_203802Hongten.jpg  2837396\n', '2013-07-28 17:14:50  E:\\test\\hongten\\6.27\\20130627_205112(1)Hongten.jpg  2987659\n', '2013-07-28 17:14:50  E:\\test\\hongten\\6.27\\20130627_205131Hongten.jpg  2745724\n', '2013-07-28 17:14:50  E:\\test\\hongten\\6.27\\20130627_205159Hongten.jpg  2824810\n', '2013-07-28 17:14:50  E:\\test\\hongten\\6.27\\20130627_205219(1)Hongten.jpg  2864744\n', '2013-07-28 17:14:50  E:\\test\\hongten\\6.27\\20130627_205257Hongten.jpg  3092656\n', '2013-07-28 17:14:50  E:\\test\\hongten\\6.27\\20130627_205315Hongten.jpg  2832393\n', '2013-07-28 17:14:50  E:\\test\\hongten\\6.27\\20130627_205408(1)Hongten.jpg  2796261\n', '2013-07-28 17:14:50  E:\\test\\hongten\\6.27\\20130627_205425Hongten.jpg  3295286\n', '2013-07-28 17:14:50  E:\\test\\hongten\\6.27\\20130627_205627Hongten.jpg  2819717\n', '2013-07-28 17:14:50  E:\\test\\hongten\\6.27\\20130627_205629Hongten.jpg  2813522\n']
##################################################
开始写入信息...
##################################################
开始读取信息...
2013-07-28 17:14:49  E:\test\20130627_140132Hongten.jpg  0
2013-07-28 17:14:49  E:\test\20130627_182913(1)Hongten.jpg  2380747
2013-07-28 17:14:49  E:\test\20130627_183008(1)Hongten.jpg  2315326
2013-07-28 17:14:49  E:\test\20130627_183054Hongten.jpg  2672977
2013-07-28 17:14:49  E:\test\20130627_183059Hongten.jpg  2006608
2013-07-28 17:14:49  E:\test\20130627_183101Hongten.jpg  2076974
2013-07-28 17:14:49  E:\test\20130627_183116Hongten.jpg  2687018
2013-07-28 17:14:49  E:\test\20130627_183326Hongten.jpg  1993448
2013-07-28 17:14:49  E:\test\20130627_183714Hongten.jpg  2497973
2013-07-28 17:14:49  E:\test\20130627_183749Hongten.jpg  2066327
2013-07-28 17:14:49  E:\test\20130627_183925Hongten.jpg  2037776
2013-07-28 17:14:49  E:\test\20130627_203658Hongten.jpg  3033996
2013-07-28 17:14:49  E:\test\20130627_203802Hongten.jpg  2837396
2013-07-28 17:14:49  E:\test\20130627_205112(1)Hongten.jpg  2987659
2013-07-28 17:14:49  E:\test\20130627_205131Hongten.jpg  2745724
2013-07-28 17:14:49  E:\test\20130627_205159Hongten.jpg  2824810
2013-07-28 17:14:49  E:\test\20130627_205219(1)Hongten.jpg  2864744
2013-07-28 17:14:49  E:\test\20130627_205257Hongten.jpg  3092656
2013-07-28 17:14:49  E:\test\20130627_205315Hongten.jpg  2832393
2013-07-28 17:14:49  E:\test\20130627_205408(1)Hongten.jpg  2796261
2013-07-28 17:14:49  E:\test\20130627_205425Hongten.jpg  3295286
2013-07-28 17:14:49  E:\test\20130627_205627Hongten.jpg  2819717
2013-07-28 17:14:49  E:\test\20130627_205629Hongten.jpg  2813522
2013-07-28 17:14:49  E:\test\hongten\6.27\20130627_140132Hongten.jpg  2571032
2013-07-28 17:14:49  E:\test\hongten\6.27\20130627_182913(1)Hongten.jpg  2380747
2013-07-28 17:14:49  E:\test\hongten\6.27\20130627_183008(1)Hongten.jpg  2315326
2013-07-28 17:14:49  E:\test\hongten\6.27\20130627_183054Hongten.jpg  2672977
2013-07-28 17:14:49  E:\test\hongten\6.27\20130627_183059Hongten.jpg  2006608
2013-07-28 17:14:49  E:\test\hongten\6.27\20130627_183101Hongten.jpg  2076974
2013-07-28 17:14:49  E:\test\hongten\6.27\20130627_183116Hongten.jpg  2687018
2013-07-28 17:14:49  E:\test\hongten\6.27\20130627_183326Hongten.jpg  1993448
2013-07-28 17:14:49  E:\test\hongten\6.27\20130627_183714Hongten.jpg  2497973
2013-07-28 17:14:49  E:\test\hongten\6.27\20130627_183749Hongten.jpg  2066327
2013-07-28 17:14:50  E:\test\hongten\6.27\20130627_183925Hongten.jpg  2037776
2013-07-28 17:14:50  E:\test\hongten\6.27\20130627_203658Hongten.jpg  3033996
2013-07-28 17:14:50  E:\test\hongten\6.27\20130627_203802Hongten.jpg  2837396
2013-07-28 17:14:50  E:\test\hongten\6.27\20130627_205112(1)Hongten.jpg  2987659
2013-07-28 17:14:50  E:\test\hongten\6.27\20130627_205131Hongten.jpg  2745724
2013-07-28 17:14:50  E:\test\hongten\6.27\20130627_205159Hongten.jpg  2824810
2013-07-28 17:14:50  E:\test\hongten\6.27\20130627_205219(1)Hongten.jpg  2864744
2013-07-28 17:14:50  E:\test\hongten\6.27\20130627_205257Hongten.jpg  3092656
2013-07-28 17:14:50  E:\test\hongten\6.27\20130627_205315Hongten.jpg  2832393
2013-07-28 17:14:50  E:\test\hongten\6.27\20130627_205408(1)Hongten.jpg  2796261
2013-07-28 17:14:50  E:\test\hongten\6.27\20130627_205425Hongten.jpg  3295286
2013-07-28 17:14:50  E:\test\hongten\6.27\20130627_205627Hongten.jpg  2819717
2013-07-28 17:14:50  E:\test\hongten\6.27\20130627_205629Hongten.jpg  2813522
##################################################
搜索文件夹总数：4,文件总数：50
符合要求的文件总数：46,不符合要求的文件总数：4
>>>

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