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kcc/kindlecomicconverter/comicarchive.py

136 lines
5.0 KiB
Python

# -*- coding: utf-8 -*-
#
# Copyright (c) 2012-2014 Ciro Mattia Gonano <ciromattia@gmail.com>
# Copyright (c) 2013-2019 Pawel Jastrzebski <pawelj@iosphe.re>
#
# Permission to use, copy, modify, and/or distribute this software for
# any purpose with or without fee is hereby granted, provided that the
# above copyright notice and this permission notice appear in all
# copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
# WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
# AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
# DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA
# OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
# TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
# PERFORMANCE OF THIS SOFTWARE.
#
from functools import cached_property, lru_cache
import os
from pathlib import Path
import platform
import distro
from subprocess import STDOUT, PIPE, CalledProcessError
from xml.dom.minidom import parseString
from xml.parsers.expat import ExpatError
from .shared import IMAGE_TYPES, subprocess_run
EXTRACTION_ERROR = 'Failed to extract archive. Try extracting file outside of KCC.'
SEVENZIP = '7zz' if platform.system() == 'Darwin' else '7z'
class ComicArchive:
def __init__(self, filepath):
self.filepath = filepath
if not os.path.isfile(self.filepath):
raise OSError('File not found.')
self.dirname, self.basename = os.path.split(filepath)
@cached_property
def type(self):
extraction_commands = [
[SEVENZIP, 'l', '-y', '-p1', self.basename],
]
if distro.id() == 'fedora' or distro.like() == 'fedora':
extraction_commands.append(
['unrar', 'l', '-y', '-p1', self.basename],
)
for cmd in extraction_commands:
try:
process = subprocess_run(cmd, capture_output=True, check=True, cwd=self.dirname)
for line in process.stdout.splitlines():
if b'Type =' in line:
return line.rstrip().decode().split(' = ')[1].upper()
except FileNotFoundError:
pass
except CalledProcessError:
pass
raise OSError(EXTRACTION_ERROR)
def extract(self, targetdir):
if not os.path.isdir(targetdir):
raise OSError('Target directory doesn\'t exist.')
if Path(self.basename).suffix.lower() in IMAGE_TYPES:
raise UserWarning('Put images into folder and drag and drop folder into KCC window.')
missing = []
extraction_commands = [
['tar', '--exclude', '__MACOSX', '--exclude', '.DS_Store', '--exclude', 'thumbs.db', '--exclude', 'Thumbs.db', '-xf', self.basename, '-C', targetdir],
[SEVENZIP, 'x', '-y', '-xr!__MACOSX', '-xr!.DS_Store', '-xr!thumbs.db', '-xr!Thumbs.db', '-o' + targetdir, self.basename],
]
if platform.system() == 'Darwin':
extraction_commands.append(
['unar', self.basename, '-D', '-f', '-o', targetdir]
)
extraction_commands.reverse()
if distro.id() == 'fedora' or distro.like() == 'fedora':
extraction_commands.append(
['unrar', 'x', '-y', '-x__MACOSX', '-x.DS_Store', '-xthumbs.db', '-xThumbs.db', self.basename, targetdir]
)
for cmd in extraction_commands:
try:
subprocess_run(cmd, capture_output=True, check=True, cwd=self.dirname)
return targetdir
except FileNotFoundError:
missing.append(cmd[0])
except CalledProcessError:
pass
if missing:
raise OSError(f'Extraction failed, install <a href="https://github.com/ciromattia/kcc#7-zip">specialized extraction software.</a> ')
else:
raise OSError(EXTRACTION_ERROR)
def addFile(self, sourcefile):
if self.type in ['RAR', 'RAR5']:
raise NotImplementedError
process = subprocess_run([SEVENZIP, 'a', '-y', self.basename, sourcefile],
stdout=PIPE, stderr=STDOUT, cwd=self.dirname)
if process.returncode != 0:
raise OSError('Failed to add the file.')
def extractMetadata(self):
process = subprocess_run([SEVENZIP, 'x', '-y', '-so', self.basename, 'ComicInfo.xml'],
stdout=PIPE, stderr=STDOUT, cwd=self.dirname)
if process.returncode != 0:
raise OSError(EXTRACTION_ERROR)
try:
return parseString(process.stdout)
except ExpatError:
return None
@lru_cache
def available_archive_tools():
available = []
for tool in ['tar', SEVENZIP, 'unar', 'unrar']:
try:
subprocess_run([tool], stdout=PIPE, stderr=STDOUT)
available.append(tool)
except (FileNotFoundError, CalledProcessError):
pass
return available