batch_qpdf.py

batch_qpdf.py

#!/usr/bin/env python
#coding=utf-8

from __future__ import print_function
import os
import sys

def main():
    dpath_in = os.path.expanduser(r"~/1del/")
    dpath_out = os.path.expanduser(r"~/1delt/")
    #download from https://github.com/qpdf/qpdf/releases
    qpdf = os.path.expanduser(r"~/bin/qpdf")
    pwd = "123456"
    for dpath, dnames, fnames in os.walk(dpath_in):
        for fname in fnames:
            if fname.lower().endswith(".pdf"):
                fpath = os.path.join(dpath,fname)
                reldpath = os.path.relpath(dpath,dpath_in)
                outdpath = os.path.join(dpath_out,reldpath)
                outfpath = os.path.join(outdpath,fname)
                if not os.path.exists(outdpath):
                    print("make new dir: %s"%(outdpath))
                    os.makedirs(outdpath)
                cmd = "%s --password='%s' --decrype '%s' '%s'"%(qpdf,pwd,fpath,outfpath)
                print(cmd)
                ret = os.system(cmd)
                if sys.platform=="linux2":
                    ret = ret>>8
                if ret!=0:
                    print("error: return %s"%(ret))
if __name__=='__main__':
    main()