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-rw-r--r--module/plugins/addon/ExtractArchive.py509
1 files changed, 509 insertions, 0 deletions
diff --git a/module/plugins/addon/ExtractArchive.py b/module/plugins/addon/ExtractArchive.py
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+++ b/module/plugins/addon/ExtractArchive.py
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+# -*- coding: utf-8 -*-
+
+from __future__ import with_statement
+
+import os
+import sys
+
+from copy import copy
+from traceback import print_exc
+
+# monkey patch bug in python 2.6 and lower
+# http://bugs.python.org/issue6122 , http://bugs.python.org/issue1236 , http://bugs.python.org/issue1731717
+if sys.version_info < (2, 7) and os.name != "nt":
+ import errno
+
+ from subprocess import Popen
+
+ def _eintr_retry_call(func, *args):
+ while True:
+ try:
+ return func(*args)
+
+ except OSError, e:
+ if e.errno == errno.EINTR:
+ continue
+ raise
+
+
+ # unsued timeout option for older python version
+ def wait(self, timeout=0):
+ """Wait for child process to terminate. Returns returncode
+ attribute."""
+ if self.returncode is None:
+ try:
+ pid, sts = _eintr_retry_call(os.waitpid, self.pid, 0)
+ except OSError, e:
+ if e.errno != errno.ECHILD:
+ raise
+ # This happens if SIGCLD is set to be ignored or waiting
+ # for child processes has otherwise been disabled for our
+ # process. This child is dead, we can't get the status.
+ sts = 0
+ self._handle_exitstatus(sts)
+ return self.returncode
+
+ Popen.wait = wait
+
+if os.name != "nt":
+ from grp import getgrnam
+ from pwd import getpwnam
+
+from module.plugins.Hook import Hook, threaded, Expose
+from module.plugins.internal.Extractor import ArchiveError, CRCError, PasswordError
+from module.plugins.internal.SimpleHoster import replace_patterns
+from module.utils import fs_encode, save_join, uniqify
+
+
+class ArchiveQueue(object):
+
+ def __init__(self, plugin, storage):
+ self.plugin = plugin
+ self.storage = storage
+
+
+ def get(self):
+ try:
+ return [int(pid) for pid in self.plugin.getStorage("ExtractArchive:%s" % self.storage, "").decode('base64').split()]
+ except Exception:
+ return []
+
+
+ def set(self, value):
+ if isinstance(value, list):
+ item = str(value)[1:-1].replace(' ', '').replace(',', ' ')
+ else:
+ item = str(value).strip()
+ return self.plugin.setStorage("ExtractArchive:%s" % self.storage, item.encode('base64')[:-1])
+
+
+ def delete(self):
+ return self.plugin.delStorage("ExtractArchive:%s" % self.storage)
+
+
+ def add(self, item):
+ queue = self.get()
+ if item not in queue:
+ return self.set(queue + [item])
+ else:
+ return True
+
+
+ def remove(self, item):
+ queue = self.get()
+ try:
+ queue.remove(item)
+ except ValueError:
+ pass
+ if queue == []:
+ return self.delete()
+ return self.set(queue)
+
+
+
+class ExtractArchive(Hook):
+ __name__ = "ExtractArchive"
+ __type__ = "hook"
+ __version__ = "1.29"
+
+ __config__ = [("activated" , "bool" , "Activated" , True ),
+ ("fullpath" , "bool" , "Extract with full paths" , True ),
+ ("overwrite" , "bool" , "Overwrite files" , False ),
+ ("keepbroken" , "bool" , "Try to extract broken archives" , False ),
+ ("repair" , "bool" , "Repair broken archives" , True ),
+ ("usepasswordfile" , "bool" , "Use password file" , True ),
+ ("passwordfile" , "file" , "Password file" , "archive_password.txt" ),
+ ("delete" , "bool" , "Delete archive when successfully extracted", False ),
+ ("subfolder" , "bool" , "Create subfolder for each package" , False ),
+ ("destination" , "folder", "Extract files to folder" , "" ),
+ ("extensions" , "str" , "Extract the following extensions" , "7z,bz2,bzip2,gz,gzip,lha,lzh,lzma,rar,tar,taz,tbz,tbz2,tgz,xar,xz,z,zip"),
+ ("excludefiles" , "str" , "Don't extract the following files" , "*.nfo,*.DS_Store,index.dat,thumb.db" ),
+ ("recursive" , "bool" , "Extract archives in archives" , True ),
+ ("waitall" , "bool" , "Wait for all downloads to be finished" , False ),
+ ("renice" , "int" , "CPU priority" , 0 )]
+
+ __description__ = """Extract different kind of archives"""
+ __license__ = "GPLv3"
+ __authors__ = [("Walter Purcaro", "vuolter@gmail.com"),
+ ("Immenz" , "immenz@gmx.net" )]
+
+
+ event_list = ["allDownloadsProcessed"]
+
+ NAME_REPLACEMENTS = [(r'\.part\d+\.rar$', ".part.rar")]
+
+
+ #@TODO: Remove in 0.4.10
+ def initPeriodical(self):
+ pass
+
+
+ def setup(self):
+ self.queue = ArchiveQueue(self, "Queue")
+ self.failed = ArchiveQueue(self, "Failed")
+
+ self.interval = 60
+ self.extracting = False
+ self.extractors = []
+ self.passwords = []
+
+
+ def coreReady(self):
+ # self.extracting = False
+
+ for p in ("UnRar", "SevenZip", "UnZip"):
+ try:
+ module = self.core.pluginManager.loadModule("internal", p)
+ klass = getattr(module, p)
+ if klass.isUsable():
+ self.extractors.append(klass)
+
+ except OSError, e:
+ if e.errno == 2:
+ self.logInfo(_("No %s installed") % p)
+ else:
+ self.logWarning(_("Could not activate: %s") % p, e)
+ if self.core.debug:
+ print_exc()
+
+ except Exception, e:
+ self.logWarning(_("Could not activate: %s") % p, e)
+ if self.core.debug:
+ print_exc()
+
+ if self.extractors:
+ self.logInfo(_("Activated") + " " + "|".join("%s %s" % (Extractor.__name__,Extractor.VERSION) for Extractor in self.extractors))
+
+ if self.getConfig("waitall"):
+ self.extractPackage(*self.queue.get()) #: Resume unfinished extractions
+ else:
+ super(ExtractArchive, self).initPeriodical()
+
+ else:
+ self.logInfo(_("No Extract plugins activated"))
+
+
+ def periodical(self):
+ if not self.extracting:
+ self.extractPackage(*self.queue.get())
+
+
+ @Expose
+ def extractPackage(self, *ids):
+ """ Extract packages with given id"""
+ self.manager.startThread(self.extract, ids)
+
+
+ def packageFinished(self, pypack):
+ self.queue.add(pypack.id)
+
+
+ @threaded
+ def allDownloadsProcessed(self, thread):
+ if self.extract(self.queue.get(), thread): #@NOTE: check only if all gone fine, no failed reporting for now
+ self.manager.dispatchEvent("all_archives_extracted")
+
+ self.manager.dispatchEvent("all_archives_processed")
+
+
+ def extract(self, ids, thread=None):
+ if not ids:
+ return False
+
+ self.extracting = True
+
+ processed = []
+ extracted = []
+ failed = []
+
+ toList = lambda string: string.replace(' ', '').replace(',', '|').replace(';', '|').split('|')
+
+ destination = self.getConfig("destination")
+ subfolder = self.getConfig("subfolder")
+ fullpath = self.getConfig("fullpath")
+ overwrite = self.getConfig("overwrite")
+ renice = self.getConfig("renice")
+ recursive = self.getConfig("recursive")
+ delete = self.getConfig("delete")
+ keepbroken = self.getConfig("keepbroken")
+
+ extensions = [x.lstrip('.').lower() for x in toList(self.getConfig("extensions"))]
+ excludefiles = toList(self.getConfig("excludefiles"))
+
+ if extensions:
+ self.logDebug("Use for extensions: %s" % "|.".join(extensions))
+
+ # reload from txt file
+ self.reloadPasswords()
+
+ # dl folder
+ dl = self.config['general']['download_folder']
+
+ #iterate packages -> extractors -> targets
+ for pid in ids:
+ pypack = self.core.files.getPackage(pid)
+
+ if not pypack:
+ continue
+
+ self.logInfo(_("Check package: %s") % pypack.name)
+
+ # determine output folder
+ out = save_join(dl, pypack.folder, destination, "") #: force trailing slash
+
+ if subfolder:
+ out = save_join(out, pypack.folder)
+
+ if not os.path.exists(out):
+ os.makedirs(out)
+
+ matched = False
+ success = True
+ files_ids = [(save_join(dl, pypack.folder, pylink['name']), pylink['id'], out) for pylink in pypack.getChildren().itervalues()]
+
+ # check as long there are unseen files
+ while files_ids:
+ new_files_ids = []
+
+ if extensions:
+ files_ids = [(fname, fid, fout) for fname, fid, fout in files_ids \
+ if filter(lambda ext: fname.lower().endswith(ext), extensions)]
+
+ for Extractor in self.extractors:
+ targets = Extractor.getTargets(files_ids)
+ if targets:
+ self.logDebug("Targets for %s: %s" % (Extractor.__name__, targets))
+ matched = True
+
+ for fname, fid, fout in targets:
+ name = os.path.basename(fname)
+
+ if not os.path.exists(fname):
+ self.logDebug(name, "File not found")
+ continue
+
+ self.logInfo(name, _("Extract to: %s") % fout)
+ try:
+ archive = Extractor(self,
+ fname,
+ fout,
+ fullpath,
+ overwrite,
+ excludefiles,
+ renice,
+ delete,
+ keepbroken,
+ fid)
+ archive.init()
+
+ new_files = self._extract(archive, fid, pypack.password, thread)
+
+ except Exception, e:
+ self.logError(name, e)
+ success = False
+ continue
+
+ files_ids.remove((fname, fid, fout)) # don't let other extractors spam log
+ self.logDebug("Extracted files: %s" % new_files)
+ self.setPermissions(new_files)
+
+ for filename in new_files:
+ file = fs_encode(save_join(os.path.dirname(archive.filename), filename))
+ if not os.path.exists(file):
+ self.logDebug("New file %s does not exists" % filename)
+ continue
+
+ if recursive and os.path.isfile(file):
+ new_files_ids.append((filename, fid, os.path.dirname(filename))) # append as new target
+
+ files_ids = new_files_ids # also check extracted files
+
+ if matched:
+ if success:
+ extracted.append(pid)
+ self.manager.dispatchEvent("package_extracted", pypack)
+ else:
+ failed.append(pid)
+ self.manager.dispatchEvent("package_extract_failed", pypack)
+
+ self.failed.add(pid)
+ else:
+ self.logInfo(_("No files found to extract"))
+
+ if not matched or not success and subfolder:
+ try:
+ os.rmdir(out)
+
+ except OSError:
+ pass
+
+ self.queue.remove(pid)
+
+ self.extracting = False
+ return True if not failed else False
+
+
+ def _extract(self, archive, fid, password, thread):
+ pyfile = self.core.files.getFile(fid)
+ name = os.path.basename(archive.filename)
+
+ thread.addActive(pyfile)
+ pyfile.setStatus("processing")
+
+ encrypted = False
+ try:
+ try:
+ archive.check()
+
+ except CRCError, e:
+ self.logDebug(name, e)
+ self.logInfo(name, _("Header protected"))
+
+ if self.getConfig("repair"):
+ self.logWarning(name, _("Repairing..."))
+
+ pyfile.setCustomStatus(_("repairing"))
+ pyfile.setProgress(0)
+
+ repaired = archive.repair()
+
+ pyfile.setProgress(100)
+
+ if not repaired and not self.getConfig("keepbroken"):
+ raise CRCError("Archive damaged")
+
+ except PasswordError:
+ self.logInfo(name, _("Password protected"))
+ encrypted = True
+
+ except ArchiveError, e:
+ raise ArchiveError(e)
+
+ self.logDebug("Password: %s" % (password or "No provided"))
+
+ pyfile.setCustomStatus(_("extracting"))
+ pyfile.setProgress(0)
+
+ if not encrypted or not self.getConfig("usepasswordfile"):
+ archive.extract(password)
+ else:
+ for pw in filter(None, uniqify([password] + self.getPasswords(False))):
+ try:
+ self.logDebug("Try password: %s" % pw)
+
+ ispw = archive.isPassword(pw)
+ if ispw or ispw is None:
+ archive.extract(pw)
+ self.addPassword(pw)
+ break
+
+ except PasswordError:
+ self.logDebug("Password was wrong")
+ else:
+ raise PasswordError
+
+ pyfile.setProgress(100)
+ pyfile.setCustomStatus(_("finalizing"))
+
+ if self.core.debug:
+ self.logDebug("Would delete: %s" % ", ".join(archive.getDeleteFiles()))
+
+ if self.getConfig("delete"):
+ files = archive.getDeleteFiles()
+ self.logInfo(_("Deleting %s files") % len(files))
+ for f in files:
+ file = fs_encode(f)
+ if os.path.exists(file):
+ os.remove(file)
+ else:
+ self.logDebug("%s does not exists" % f)
+
+ self.logInfo(name, _("Extracting finished"))
+
+ extracted_files = archive.files or archive.list()
+ self.manager.dispatchEvent("archive_extracted", pyfile, archive.out, archive.filename, extracted_files)
+
+ return extracted_files
+
+ except PasswordError:
+ self.logError(name, _("Wrong password" if password else "No password found"))
+
+ except CRCError, e:
+ self.logError(name, _("CRC mismatch"), e)
+
+ except ArchiveError, e:
+ self.logError(name, _("Archive error"), e)
+
+ except Exception, e:
+ self.logError(name, _("Unknown error"), e)
+ if self.core.debug:
+ print_exc()
+
+ finally:
+ pyfile.finishIfDone()
+
+ self.manager.dispatchEvent("archive_extract_failed", pyfile)
+
+ raise Exception(_("Extract failed"))
+
+
+ @Expose
+ def getPasswords(self, reload=True):
+ """ List of saved passwords """
+ if reload:
+ self.reloadPasswords()
+
+ return self.passwords
+
+
+ def reloadPasswords(self):
+ try:
+ passwords = []
+
+ file = fs_encode(self.getConfig("passwordfile"))
+ with open(file) as f:
+ for pw in f.read().splitlines():
+ passwords.append(pw)
+
+ except IOError, e:
+ self.logError(e)
+
+ else:
+ self.passwords = passwords
+
+
+ @Expose
+ def addPassword(self, password):
+ """ Adds a password to saved list"""
+ try:
+ self.passwords = uniqify([password] + self.passwords)
+
+ file = fs_encode(self.getConfig("passwordfile"))
+ with open(file, "wb") as f:
+ for pw in self.passwords:
+ f.write(pw + '\n')
+
+ except IOError, e:
+ self.logError(e)
+
+
+ def setPermissions(self, files):
+ for f in files:
+ if not os.path.exists(f):
+ continue
+
+ try:
+ if self.config['permission']['change_file']:
+ if os.path.isfile(f):
+ os.chmod(f, int(self.config['permission']['file'], 8))
+
+ elif os.path.isdir(f):
+ os.chmod(f, int(self.config['permission']['folder'], 8))
+
+ if self.config['permission']['change_dl'] and os.name != "nt":
+ uid = getpwnam(self.config['permission']['user'])[2]
+ gid = getgrnam(self.config['permission']['group'])[2]
+ os.chown(f, uid, gid)
+
+ except Exception, e:
+ self.logWarning(_("Setting User and Group failed"), e)