Copy directory tree according to a relative-path-list filter file

copy_directory_tree.py

#!/usr/bin/env python
# encoding: utf-8 
#
import os
import os.path
import sys
import shutil

def copy_directory_tree( base_dir, rel_path_list_file, to_dir ):
    rel_path_list = [line.strip() for line in open(rel_path_list_file, 'r')]
    for rel_path in rel_path_list:
        print "Copying %s..." % (rel_path)
        base_abspath = os.path.join(base_dir, rel_path)
        to_abspath = os.path.join(to_dir, rel_path)
        to_absdir = os.path.dirname(to_abspath)
        if not os.path.exists(to_absdir):
            os.makedirs(to_absdir)
        shutil.copyfile(base_abspath, to_abspath)

def Main():
    if len(sys.argv)!=4:
        print 'Usage: python copy_directory_tree.py <base_dir> <rel_path_list_file> <to_dir>'
        sys.exit(0)
    else:
        copy_directory_tree(sys.argv[1], sys.argv[2], sys.argv[3])

if __name__ == '__main__':
    sys.exit(Main())