# -*- coding: utf-8 -*- # This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web) # Copyright (C) 2018-2019 OzzieIsaacs # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. from __future__ import division, print_function, unicode_literals import sys import os import subprocess def process_open(command, quotes=(), env=None, sout=subprocess.PIPE, serr=subprocess.PIPE, newlines=True): # Linux py2.7 encode as list without quotes no empty element for parameters # linux py3.x no encode and as list without quotes no empty element for parameters # windows py2.7 encode as string with quotes empty element for parameters is okay # windows py 3.x no encode and as string with quotes empty element for parameters is okay # separate handling for windows and linux if os.name == 'nt': for key, element in enumerate(command): if key in quotes: command[key] = '"' + element + '"' exc_command = " ".join(command) if sys.version_info < (3, 0): exc_command = exc_command.encode(sys.getfilesystemencoding()) else: if sys.version_info < (3, 0): exc_command = [x.encode(sys.getfilesystemencoding()) for x in command] else: exc_command = [x for x in command] return subprocess.Popen(exc_command, shell=False, stdout=sout, stderr=serr, universal_newlines=newlines, env=env) # nosec def process_wait(command, serr=subprocess.PIPE): # Run command, wait for process to terminate, and return an iterator over lines of its output. newlines = os.name != 'nt' p = process_open(command, serr=serr, newlines=newlines) p.wait() for line in p.stdout.readlines(): if isinstance(line, bytes): line = line.decode('utf-8') yield line