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simple-extractor/simpleextractor/core.py
d8ahazard 739a93351a It works!
Woot woot.
2019-10-23 13:18:32 -05:00

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7.1 KiB
Python

# -*- coding: utf-8 -*-
#
# Copyright (C) 2009 Andrew Resch <andrewresch@gmail.com>
#
# Basic plugin template created by:
# Copyright (C) 2008 Martijn Voncken <mvoncken@gmail.com>
# Copyright (C) 2007-2009 Andrew Resch <andrewresch@gmail.com>
#
# This file is part of Deluge and is licensed under GNU General Public License 3.0, or later, with
# the additional special exception to link portions of this program with the OpenSSL library.
# See LICENSE for more details.
#
from __future__ import unicode_literals
import errno
import logging
import os
from twisted.internet.utils import getProcessOutputAndValue
from twisted.python.procutils import which
import deluge.component as component
import deluge.configmanager
from deluge.common import windows_check
from deluge.core.rpcserver import export
from deluge.plugins.pluginbase import CorePluginBase
log = logging.getLogger(__name__)
DEFAULT_PREFS = {'extract_path': '', 'use_name_folder': False, 'in_place_extraction': True}
if windows_check():
win_7z_exes = [
'7z.exe',
'C:\\Program Files\\7-Zip\\7z.exe',
'C:\\Program Files (x86)\\7-Zip\\7z.exe',
]
try:
import winreg
except ImportError:
import _winreg as winreg # For Python 2.
try:
hkey = winreg.OpenKey(winreg.HKEY_CURRENT_USER, 'Software\\7-Zip')
except WindowsError:
pass
else:
win_7z_path = os.path.join(winreg.QueryValueEx(hkey, 'Path')[0], '7z.exe')
winreg.CloseKey(hkey)
win_7z_exes.insert(1, win_7z_path)
switch_7z = 'x -y'
# Future suport:
# 7-zip cannot extract tar.* with single command.
# ".tar.gz", ".tgz",
# ".tar.bz2", ".tbz",
# ".tar.lzma", ".tlz",
# ".tar.xz", ".txz",
exts_7z = ['.rar', '.zip', '.tar', '.7z', '.xz', '.lzma']
for win_7z_exe in win_7z_exes:
if which(win_7z_exe):
EXTRACT_COMMANDS = dict.fromkeys(exts_7z, [win_7z_exe, switch_7z])
break
else:
required_cmds = ['unrar', 'unzip', 'tar', 'unxz', 'unlzma', '7zr', 'bunzip2']
# Possible future suport:
# gunzip: gz (cmd will delete original archive)
# the following do not extract to dest dir
# ".xz": ["xz", "-d --keep"],
# ".lzma": ["xz", "-d --format=lzma --keep"],
# ".bz2": ["bzip2", "-d --keep"],
EXTRACT_COMMANDS = {
'.rar': ['unrar', 'x -o+ -y'],
'.tar': ['tar', '-xf'],
'.zip': ['unzip', ''],
'.tar.gz': ['tar', '-xzf'],
'.tgz': ['tar', '-xzf'],
'.tar.bz2': ['tar', '-xjf'],
'.tbz': ['tar', '-xjf'],
'.tar.lzma': ['tar', '--lzma -xf'],
'.tlz': ['tar', '--lzma -xf'],
'.tar.xz': ['tar', '--xz -xf'],
'.txz': ['tar', '--xz -xf'],
'.7z': ['7zr', 'x'],
}
# Test command exists and if not, remove.
for command in required_cmds:
if not which(command):
for k, v in list(EXTRACT_COMMANDS.items()):
if command in v[0]:
log.warning('%s not found, disabling support for %s', command, k)
del EXTRACT_COMMANDS[k]
if not EXTRACT_COMMANDS:
raise Exception('No archive extracting programs found, plugin will be disabled')
class Core(CorePluginBase):
def enable(self):
self.config = deluge.configmanager.ConfigManager(
'extractor.conf', DEFAULT_PREFS
)
if not self.config['extract_path']:
self.config['extract_path'] = deluge.configmanager.ConfigManager(
'core.conf'
)['download_location']
component.get('EventManager').register_event_handler(
'TorrentFinishedEvent', self._on_torrent_finished
)
def disable(self):
component.get('EventManager').deregister_event_handler(
'TorrentFinishedEvent', self._on_torrent_finished
)
def update(self):
pass
def _on_torrent_finished(self, torrent_id):
"""
This is called when a torrent finishes and checks if any files to extract.
"""
tid = component.get('TorrentManager').torrents[torrent_id]
tid_status = tid.get_status(['download_location', 'name'])
files = tid.get_files()
for f in files:
log.debug("Handling file %s", f['path'])
file_root, file_ext = os.path.splitext(f['path'])
file_ext_sec = os.path.splitext(file_root)[1]
if file_ext_sec and file_ext_sec + file_ext in EXTRACT_COMMANDS:
file_ext = file_ext_sec + file_ext
elif file_ext not in EXTRACT_COMMANDS or file_ext_sec == '.tar':
log.debug('Cannot extract file with unknown file type: %s', f['path'])
continue
elif file_ext == '.rar' and 'part' in file_ext_sec:
part_num = file_ext_sec.split('part')[1]
if part_num.isdigit() and int(part_num) != 1:
log.debug('Skipping remaining multi-part rar files: %s', f['path'])
continue
cmd = EXTRACT_COMMANDS[file_ext]
fpath = os.path.join(
tid_status['download_location'], os.path.normpath(f['path'])
)
dest = os.path.normpath(self.config['extract_path'])
if self.config['use_name_folder']:
dest = os.path.join(dest, tid_status['name'])
# Override destination if in_place_extraction is set
if self.config["in_place_extraction"]:
name = tid_status["name"]
save_path = tid_status["download_location"]
dest = os.path.join(save_path, name)
log.debug("Save path is %s, dest is %s, fpath is %s", save_path, dest, fpath)
# Create the destination folder if it doesn't exist
if not os.path.exists(dest):
try:
os.makedirs(dest)
except OSError as ex:
if not (ex.errno == errno.EEXIST and os.path.isdir(dest)):
log.error('Error creating destination folder: %s', ex)
break
def on_extract(result, torrent_id, fpath):
# Check command exit code.
if not result[2]:
log.info('Extract successful: %s (%s)', fpath, torrent_id)
else:
log.error(
'Extract failed: %s (%s) %s', fpath, torrent_id, result[1]
)
# Run the command and add callback.
log.debug(
'Extracting %s from %s with %s %s to %s',
fpath,
torrent_id,
cmd[0],
cmd[1],
dest,
)
d = getProcessOutputAndValue(
cmd[0], cmd[1].split() + [str(fpath)], os.environ, str(dest)
)
d.addCallback(on_extract, torrent_id, fpath)
@export
def set_config(self, config):
"""Sets the config dictionary."""
for key in config:
self.config[key] = config[key]
self.config.save()
@export
def get_config(self):
"""Returns the config dictionary."""
return self.config.config