检测文件夹，拷贝有更新的文件到对应目录 2016.5.19
亲测可用，若有借鉴请修改下文件路径；
学习python小一个月后写的这个功能，属于初学，若有大神路过，求代码优化~
newcopy.py：
检测文件夹中最后修改时间变化的文件，并拷贝复制到相应路径下，拷贝目录会自动检测后输出；测试文件夹路径记得修改；
pyinotify.py：
借用window接口，检测脚本所在目录下文件夹变化（更新、删除、添加等），输出日志到桌面上；
# newcopy.py文件
# -*- coding:UTF-8 -*-
import os
import os.path
import sys
import time
import datetime
import stat
import difflib
import linecache, shutil
# 文件全路径和对应最后修改时间写入到out.txt文档中；
def add_log(path):
with open('out.txt','w') as f:
f.close()
for root , dirs, files in os.walk(path):
for name in files:
temp_path = os.path.join(root,name)
file_name = temp_path.replace('C:/Users/Enter/Desktop/', '')
file_time = os.stat(temp_path).st_mtime
with open('out.txt','a') as f:
f.write( ','.join( ['%s' % file_name , '%s\n' % file_time] ) )
f.close()
# 注意时间格式转换
#file_time = time.localtime(os.stat(root).st_mtime)
#file_time=date.strftime('%Y-%m-%d %H:%M:%S')
def if_exist():
# 判断文件out.txt是否存在,不存在则创建
filename = 'out.txt'
if os.path.exists(filename):
message = 'OK, the "%s" file exists.'
else:
message = "Sorry, I cannot find the '%s' file..and I create it."
a = open('out.txt', 'w')
a.close()
print message % filename
# 判断update文件夹是否存在,不存在则创建
files_name='update'
if os.path.exists(files_name):
message = 'OK, the "%s" file exists.'
else:
message = "Sorry, I cannot find the '%s' file.and I create it. "
os.mkdir('update')
print message % files_name
# path 待比较的文件夹路径
# 返回生成的txt（包含更新或者添加的文件路径）的路径
def log_compare(path):
# 先确保out.txt存在
if_exist()
# 获取out.txt文件内容（文件全路径key和最后修改时间value），生成dict
txt = open('out.txt', 'r').readlines()
myDic = {}
for row in txt:
(key, value) = row.split(',')
myDic[key] = value
print myDic
# 创建以时间命名的文件和文件夹
setup_filename = str(datetime.datetime.now().strftime('%Y%m%d%H%M%S')) # 获取当前时间
setup_file_path = '%s%s.txt' %('C:/Users/Enter/Desktop/update/' ,setup_filename) # 生成以当前时间命名的.txt文件，准备写入更新日志
setup_file_dir = '%s%s' %('C:/Users/Enter/Desktop/update/' ,setup_filename) # 生成以当前时间命名的.txt文件夹
#判断key，比较value值是否变化
#原始需要有一个out.txt文件，才能比较value确定是否有更新
#运行程序时，重新遍历一遍文件全路径和最后修改时间
for root , dirs, files in os.walk(path):
for name in files:
temp_path = os.path.join(root,name)
file_name = temp_path.replace('C:/Users/Enter/Desktop/', '')
time = os.stat(temp_path).st_mtime # 获取最后修改时间
file_time = '%s\n' % time # 加%s\n是为了与out.txt里值完全对应
if myDic.has_key(file_name) == True:
if cmp(myDic[file_name], file_time): # myDic[file_name]旧最后修改时间，file_time新最后修改时间
print (file_name,file_time) # 输出有变化的文件名及其对应的最后修改时间
# 输出以文件时间命名的更新日志，生成路径是update下
with open(setup_file_path,'a') as f: # 有更新的文件，写入更新日志
f.write( '%s\n' % file_name )
f.close()
else:
print "add",file_name
with open(setup_file_path,'a') as f: # 新增的文件，写入更新日志
f.write( '%s\n' % file_name )
f.close()
# 返回 当前时间，以时间命名的文件夹路径，更新文件路径
return (setup_filename, setup_file_dir, setup_file_path)
# 将src目录中的内容拷贝到dest目录
# 如果dest或者其子目录不存在，先创建
# txt_path为更新日志路径，有更新的文件才拷贝
def copy_directory(src, dest, txt_path):
if not os.path.exists(txt_path):
print "no file update"
return
# 读更新日志，获取更新文件的全路径
txt = open(txt_path, 'r').readlines()
myDic = {}
myDic2 = {}
for row in txt:
myDic[row] = "1"
tempArray = os.path.split(row)
key = tempArray[0]
myDic2[key] = "1"
print "myDic2:", myDic2
print "dict:", myDic
# 遍历原始文件夹，得到所有文件的全路径
for root, dirs, files in os.walk(src):
for name in files:
#print "dirs:",dirs
fpath = os.path.join(root, name)
newroot = root
newroot = newroot.replace(src, dest) # 根据文件绝对路径，创建将要拷贝的路径（相对路径），没有则创建
#print newroot
rel_dir = root.replace('C:/Users/Enter/Desktop/', '')
if not os.path.exists(newroot) and myDic2.has_key(rel_dir):
print "rel_dir:" , rel_dir
print newroot
os.makedirs(newroot)
os.chmod(newroot, stat.S_IWRITE)
temp = fpath
temp = temp.replace(src, dest)
rel_path = fpath.replace('C:/Users/Enter/Desktop/', '') # 将绝对路径改为相对路径，便于遍历对比，挑出要拷贝的文件
rel_path += '\n'
if myDic.has_key(rel_path) == True:
print "real_path:" , rel_path
# os.mkdir(rel_path)
shutil.copy(fpath, temp)
print "copyfile:", fpath
def main():
path_dir = 'C:/Users/Enter/Desktop/acd'
path_file = 'C:/Users/Enter/Desktop/out.txt'
params = log_compare(path_dir)
add_log(path_dir)
copy_directory(path_dir, params[1], params[2])
if __name__ == '__main__':
main()
#pyinotify.py文件
# -*- coding:UTF-8 -*-
import os
import win32file
import win32con
# #检测当前目录下所有文件删除、更新、修改等变化。更新日志输出到桌面。2016.5.23 copy
ACTIONS = {
1 : "Created",
2 : "Deleted",
3 : "Updated",
4 : "Renamed from something",
5 : "Renamed to something"
}
# Thanks to Claudio Grondi for the correct set of numbers
FILE_LIST_DIRECTORY = 0x0001
path_to_watch = "."
hDir = win32file.CreateFile (
path_to_watch,
FILE_LIST_DIRECTORY,
win32con.FILE_SHARE_READ | win32con.FILE_SHARE_WRITE,
None,
win32con.OPEN_EXISTING,
win32con.FILE_FLAG_BACKUP_SEMANTICS,
None
)
while 1:
#
# ReadDirectoryChangesW takes a previously-created
# handle to a directory, a buffer size for results,
# a flag to indicate whether to watch subtrees and
# a filter of what changes to notify.
#
# NB Tim Juchcinski reports that he needed to up
# the buffer size to be sure of picking up all
# events when a large number of files were
# deleted at once.
#
results = win32file.ReadDirectoryChangesW (
hDir,
1024,
True,
win32con.FILE_NOTIFY_CHANGE_FILE_NAME |
win32con.FILE_NOTIFY_CHANGE_DIR_NAME |
win32con.FILE_NOTIFY_CHANGE_ATTRIBUTES |
win32con.FILE_NOTIFY_CHANGE_SIZE |
win32con.FILE_NOTIFY_CHANGE_LAST_WRITE |
win32con.FILE_NOTIFY_CHANGE_SECURITY,
None,
None
)
#print "results:", results
for action, file in results:
full_filename = os.path.join (path_to_watch, file)
print full_filename, ACTIONS.get (action, "Unknown")
with open('C:/Users/Enter/Desktop/fileupdate.txt','a') as f:
#str = ','.join( ['%s' % full_filename , '%s\n' % ACTIONS.get (action, "Unknown")] )
#print str
f.write( ','.join( ['%s' % full_filename , '%s\n' % ACTIONS.get (action, "Unknown")] ) )
f.close()