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65 lines
2.5 KiB
Python
65 lines
2.5 KiB
Python
# -*- coding:utf-8 -*-
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"""
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/***************************************************************************
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Plugin Installer module
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unzip function
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-------------------
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Date : May 2013
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Copyright : (C) 2013 by Borys Jurgiel
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Email : info at borysjurgiel dot pl
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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"""
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import zipfile
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import os
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def unzip(file, targetDir, password=None):
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""" Creates directory structure and extracts the zip contents to it.
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file (file object) - the zip file to extract
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targetDir (str) - target location
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password (str; optional) - password to decrypt the zip file (if encrypted)
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"""
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# convert password to bytes
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if isinstance(password, str):
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password = bytes(password, 'utf8')
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# create destination directory if doesn't exist
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if not targetDir.endswith(':') and not os.path.exists(targetDir):
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os.makedirs(targetDir)
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zf = zipfile.ZipFile(file)
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for name in zf.namelist():
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# Skip directories - they will be created when necessary by os.makedirs
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if name.endswith('/'):
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continue
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# Read the source file before creating any output,
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# so no directories are created if user doesn't know the password
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memberContent = zf.read(name, password)
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# create directory if doesn't exist
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localDir = os.path.split(name)[0]
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fullDir = os.path.normpath(os.path.join(targetDir, localDir))
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if not os.path.exists(fullDir):
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os.makedirs(fullDir)
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# extract file
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fullPath = os.path.normpath(os.path.join(targetDir, name))
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outfile = open(fullPath, 'wb')
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outfile.write(memberContent)
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outfile.flush()
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outfile.close()
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zf.close()
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