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grissiom
- UID
- 12116
- 帖子
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- 在线时间
- 17 小时
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1#
grissiom 发表于 2008-07-08 02:00
自己写的一个 python 小程序
它可以把指定类型的文件移动（或复制）到另一个目录下，并且保持原目录结构。 默认递归搜索当前目录。-r 选项可以使反向工作，即从目的目录中提取文件到当前目录；-n 选项取消递归搜索；-c 选项使程序复制文件而不是移动文件；-k 选项使程序保留空目录；-v 选项使程序产生更多输出。我经常用 foobar2k 在同一目录下把ape的音乐转成ogg的，转一堆，然后用它提取，呵呵~~
本人学 python 时间不长，还请大侠多多指点哈~~
#!/usr/bin/python
import re
from os import listdir, chdir, path, getcwd, makedirs, rmdir
from os.path import isdir, isfile, abspath
from os.path import join as join_path
from shutil import move, copy2
from sys import argv, exit
class option_er(Exception):
def __init__(self, value):
self.value = value
def __str__(self):
return repr(self.value)
def dummy(*args):
pass
def check(arg, func):
if arg:
return func
else:
return dummy
def printf(*args):
print ' '.join(map(str, args))
def clrdir(dr):
rmdir(dr)
check(VERBOSE, printf)('clean', dr)
def movefiles(ftypes, destdir):
test = re.compile("." + "(" + "|".join(ftypes) + ")" + "$", re.IGNORECASE)
files = filter(test.search, listdir('.'))
files = filter(isfile, files)
if len(files) == 0:
check(VERBOSE, printf)('no file to be operate in', getcwd())
return
if isdir(destdir) is False:
makedirs(destdir)
for i in files:
try:
operate_file(i, join_path(destdir, i))
check(VERBOSE, printf)('copying', i, 'to', destdir)
except:
print 'oops 1'
def main(ftypes, wdir, destdir):
check(VERBOSE, printf)('working in', wdir)
chdir(wdir)
dirs = filter(isdir, listdir('.'))
if RECURSION:
for i in dirs:
try:
main(ftypes, join_path(wdir, i), join_path(destdir, i))
except:
print 'oops 2'
chdir(wdir)
movefiles(ftypes, destdir)
if len(listdir(wdir)) == 0:
check(KEEP, clrdir)(wdir)
# the main body
try:
cwd = getcwd()
#----------- Begin the option parsing -----------#
#parse -t
try:
ftypes = argv[argv.index('-t') + 1:]
except:
raise option_er('-t option missing')
del argv[argv.index('-t'):]
# parse destdir
try:
destdir = argv[1]
except:
raise option_er('destdir missing')
del argv[1]
del argv[0]
argv = list(''.join(argv))
# parse -k
if 'k' in argv:
argv.remove('k')
KEEP = False
else:
KEEP = True
#parse -c
if 'c' in argv:
argv.remove('c')
operate_file = copy2
else:
operate_file = move
#parse -v
if 'v' in argv:
argv.remove('v')
VERBOSE = True
else:
VERBOSE = False
# parse -r
if 'r' in argv:
argv.remove('r')
if isdir(destdir):
main_wd, main_destdir = abspath(destdir), cwd
else:
print 'you have no', destdir
exit(3)
else:
if destdir in listdir('.'):
print 'you already have the destdir, abort work.'
exit(2)
main_destdir = abspath(destdir)
main_wd = cwd
#paise -n
if 'n' in argv:
argv.remove('n')
RECURSION = False
else:
RECURSION = True
#----------- End the option parsing -----------#
check(VERBOSE, printf)('ftypes:', ftypes)
check(VERBOSE, printf)('destdir:', destdir)
main(ftypes, main_wd, main_destdir)
exit(0)
except SystemExit:
pass
except option_er, case:
print 'Usage:sep destdir -k/-r/-t file_type'
print 'Any thing behand "-t" will treat as the file type you want to move.'
print 'destdir must goes before any options'
print '-r:do the reverse work, i.e, extract the files from destdir to cwd.'
print '-n:no recursion'
print '-c:copy the file instead of moing the file'
print '-k:keep the empty derctories.'
print '-v:make the output being verbose'
print case
exit(1)
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