mirror of
https://github.com/ciromattia/kcc
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b13b8881d5
On systems without the appropriate 7zip functionality, corrupt files will be created in the working directory, causing unrar to fail as its default behavior is to disallow overwriting files with the same names.
93 lines
4.1 KiB
Python
93 lines
4.1 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Copyright (c) 2012-2014 Ciro Mattia Gonano <ciromattia@gmail.com>
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# Copyright (c) 2013-2019 Pawel Jastrzebski <pawelj@iosphe.re>
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#
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# Permission to use, copy, modify, and/or distribute this software for
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# any purpose with or without fee is hereby granted, provided that the
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# above copyright notice and this permission notice appear in all
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# copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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# WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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# AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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# DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA
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# OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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# TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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# PERFORMANCE OF THIS SOFTWARE.
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#
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import os
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from psutil import Popen
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from shutil import move
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from subprocess import STDOUT, PIPE
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from xml.dom.minidom import parseString
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from xml.parsers.expat import ExpatError
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class ComicArchive:
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def __init__(self, filepath):
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self.filepath = filepath
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self.type = None
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if not os.path.isfile(self.filepath):
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raise OSError('File not found.')
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process = Popen('7z l -y -p1 "' + self.filepath + '"', stderr=STDOUT, stdout=PIPE, stdin=PIPE, shell=True)
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for line in process.stdout:
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if b'Type =' in line:
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self.type = line.rstrip().decode().split(' = ')[1].upper()
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break
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process.communicate()
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if process.returncode != 0:
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process = Popen('unrar l -y -p1 "' + self.filepath + '"', stderr=STDOUT, stdout=PIPE, stdin=PIPE, shell=True)
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for line in process.stdout:
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if b'Details: ' in line:
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self.type = line.rstrip().decode().split(' ')[1].upper()
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print(self.type)
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break
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if(self.type != 'RAR'):
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raise OSError('Archive is corrupted or encrypted.')
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elif self.type not in ['7Z', 'RAR', 'RAR5', 'ZIP']:
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raise OSError('Unsupported archive format.')
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def extract(self, targetdir):
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if not os.path.isdir(targetdir):
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raise OSError('Target directory don\'t exist.')
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process = Popen('7z x -y -xr!__MACOSX -xr!.DS_Store -xr!thumbs.db -xr!Thumbs.db -o"' + targetdir + '" "' +
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self.filepath + '"', stdout=PIPE, stderr=STDOUT, stdin=PIPE, shell=True)
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process.communicate()
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if process.returncode != 0:
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process = Popen('unrar x -y -o+ -x__MACOSX -x.DS_Store -xthumbs.db -xThumbs.db "' + self.filepath + '" "' +
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targetdir + '"', stdout=PIPE, stderr=STDOUT, stdin=PIPE, shell=True)
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process.communicate()
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if process.returncode != 0:
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raise OSError('Failed to extract archive.')
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tdir = os.listdir(targetdir)
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if 'ComicInfo.xml' in tdir:
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tdir.remove('ComicInfo.xml')
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if len(tdir) == 1 and os.path.isdir(os.path.join(targetdir, tdir[0])):
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for f in os.listdir(os.path.join(targetdir, tdir[0])):
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move(os.path.join(targetdir, tdir[0], f), targetdir)
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os.rmdir(os.path.join(targetdir, tdir[0]))
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return targetdir
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def addFile(self, sourcefile):
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if self.type in ['RAR', 'RAR5']:
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raise NotImplementedError
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process = Popen('7z a -y "' + self.filepath + '" "' + sourcefile + '"',
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stdout=PIPE, stderr=STDOUT, stdin=PIPE, shell=True)
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process.communicate()
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if process.returncode != 0:
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raise OSError('Failed to add the file.')
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def extractMetadata(self):
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process = Popen('7z x -y -so "' + self.filepath + '" ComicInfo.xml',
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stdout=PIPE, stderr=STDOUT, stdin=PIPE, shell=True)
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xml = process.communicate()
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if process.returncode != 0:
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raise OSError('Failed to extract archive.')
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try:
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return parseString(xml[0])
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except ExpatError:
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return None
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