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467 lines
20 KiB
Python
467 lines
20 KiB
Python
# -*- coding: utf-8 -*-
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# This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
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# Copyright (C) 2018-2019 OzzieIsaacs
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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 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from __future__ import division, print_function, unicode_literals
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import sys
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import os
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import datetime
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import json
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import shutil
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import threading
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import time
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import zipfile
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from io import BytesIO
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from tempfile import gettempdir
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import requests
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from babel.dates import format_datetime
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from flask_babel import gettext as _
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from . import constants, logger, config, web_server
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log = logger.create()
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_REPOSITORY_API_URL = 'https://api.github.com/repos/janeczku/calibre-web'
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def is_sha1(sha1):
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if len(sha1) != 40:
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return False
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try:
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int(sha1, 16)
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except ValueError:
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return False
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return True
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class Updater(threading.Thread):
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def __init__(self):
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threading.Thread.__init__(self)
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self.status = -1
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self.updateIndex = None
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def get_current_version_info(self):
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if config.config_updatechannel == constants.UPDATE_STABLE:
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return self._stable_version_info()
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return self._nightly_version_info()
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def get_available_updates(self, request_method, locale):
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if config.config_updatechannel == constants.UPDATE_STABLE:
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return self._stable_available_updates(request_method)
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return self._nightly_available_updates(request_method,locale)
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def run(self):
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try:
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self.status = 1
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log.debug(u'Download update file')
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headers = {'Accept': 'application/vnd.github.v3+json'}
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r = requests.get(self._get_request_path(), stream=True, headers=headers)
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r.raise_for_status()
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self.status = 2
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log.debug(u'Opening zipfile')
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z = zipfile.ZipFile(BytesIO(r.content))
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self.status = 3
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log.debug(u'Extracting zipfile')
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tmp_dir = gettempdir()
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z.extractall(tmp_dir)
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foldername = os.path.join(tmp_dir, z.namelist()[0])[:-1]
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if not os.path.isdir(foldername):
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self.status = 11
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log.info(u'Extracted contents of zipfile not found in temp folder')
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return
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self.status = 4
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log.debug(u'Replacing files')
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self.update_source(foldername, constants.BASE_DIR)
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self.status = 6
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log.debug(u'Preparing restart of server')
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time.sleep(2)
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web_server.stop(True)
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self.status = 7
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time.sleep(2)
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except requests.exceptions.HTTPError as ex:
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log.info(u'HTTP Error %s', ex)
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self.status = 8
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except requests.exceptions.ConnectionError:
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log.info(u'Connection error')
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self.status = 9
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except requests.exceptions.Timeout:
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log.info(u'Timeout while establishing connection')
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self.status = 10
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except requests.exceptions.RequestException:
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self.status = 11
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log.info(u'General error')
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def get_update_status(self):
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return self.status
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@classmethod
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def file_to_list(cls, filelist):
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return [x.strip() for x in open(filelist, 'r') if not x.startswith('#EXT')]
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@classmethod
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def one_minus_two(cls, one, two):
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return [x for x in one if x not in set(two)]
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@classmethod
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def reduce_dirs(cls, delete_files, new_list):
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new_delete = []
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for filename in delete_files:
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parts = filename.split(os.sep)
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sub = ''
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for part in parts:
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sub = os.path.join(sub, part)
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if sub == '':
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sub = os.sep
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count = 0
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for song in new_list:
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if song.startswith(sub):
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count += 1
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break
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if count == 0:
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if sub != '\\':
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new_delete.append(sub)
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break
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return list(set(new_delete))
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@classmethod
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def reduce_files(cls, remove_items, exclude_items):
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rf = []
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for item in remove_items:
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if not item.startswith(exclude_items):
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rf.append(item)
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return rf
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@classmethod
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def moveallfiles(cls, root_src_dir, root_dst_dir):
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change_permissions = True
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new_permissions = os.stat(root_dst_dir)
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if sys.platform == "win32" or sys.platform == "darwin":
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change_permissions = False
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else:
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log.debug('Update on OS-System : %s', sys.platform)
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for src_dir, __, files in os.walk(root_src_dir):
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dst_dir = src_dir.replace(root_src_dir, root_dst_dir, 1)
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if not os.path.exists(dst_dir):
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os.makedirs(dst_dir)
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log.debug('Create-Dir: %s', dst_dir)
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if change_permissions:
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# print('Permissions: User '+str(new_permissions.st_uid)+' Group '+str(new_permissions.st_uid))
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os.chown(dst_dir, new_permissions.st_uid, new_permissions.st_gid)
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for file_ in files:
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src_file = os.path.join(src_dir, file_)
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dst_file = os.path.join(dst_dir, file_)
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if os.path.exists(dst_file):
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if change_permissions:
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permission = os.stat(dst_file)
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log.debug('Remove file before copy: %s', dst_file)
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os.remove(dst_file)
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else:
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if change_permissions:
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permission = new_permissions
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shutil.move(src_file, dst_dir)
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log.debug('Move File %s to %s', src_file, dst_dir)
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if change_permissions:
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try:
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os.chown(dst_file, permission.st_uid, permission.st_gid)
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except OSError as e:
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old_permissions = os.stat(dst_file)
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log.debug('Fail change permissions of %s. Before: %s:%s After %s:%s error: %s',
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dst_file, old_permissions.st_uid, old_permissions.st_gid,
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permission.st_uid, permission.st_gid, e)
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return
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def update_source(self, source, destination):
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# destination files
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old_list = list()
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exclude = (
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os.sep + 'app.db', os.sep + 'calibre-web.log1', os.sep + 'calibre-web.log2', os.sep + 'gdrive.db',
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os.sep + 'vendor', os.sep + 'calibre-web.log', os.sep + '.git', os.sep + 'client_secrets.json',
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os.sep + 'gdrive_credentials', os.sep + 'settings.yaml')
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for root, dirs, files in os.walk(destination, topdown=True):
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for name in files:
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old_list.append(os.path.join(root, name).replace(destination, ''))
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for name in dirs:
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old_list.append(os.path.join(root, name).replace(destination, ''))
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# source files
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new_list = list()
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for root, dirs, files in os.walk(source, topdown=True):
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for name in files:
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new_list.append(os.path.join(root, name).replace(source, ''))
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for name in dirs:
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new_list.append(os.path.join(root, name).replace(source, ''))
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delete_files = self.one_minus_two(old_list, new_list)
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rf = self.reduce_files(delete_files, exclude)
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remove_items = self.reduce_dirs(rf, new_list)
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self.moveallfiles(source, destination)
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for item in remove_items:
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item_path = os.path.join(destination, item[1:])
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if os.path.isdir(item_path):
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log.debug("Delete dir %s", item_path)
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shutil.rmtree(item_path, ignore_errors=True)
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else:
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try:
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log.debug("Delete file %s", item_path)
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# log_from_thread("Delete file " + item_path)
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os.remove(item_path)
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except OSError:
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logger.debug("Could not remove: %s", item_path)
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shutil.rmtree(source, ignore_errors=True)
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@classmethod
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def _nightly_version_info(cls):
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if is_sha1(constants.NIGHTLY_VERSION[0]) and len(constants.NIGHTLY_VERSION[1]) > 0:
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return {'version': constants.NIGHTLY_VERSION[0], 'datetime': constants.NIGHTLY_VERSION[1]}
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return False
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@classmethod
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def _stable_version_info(cls):
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return constants.STABLE_VERSION # Current version
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def _nightly_available_updates(self, request_method, locale):
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tz = datetime.timedelta(seconds=time.timezone if (time.localtime().tm_isdst == 0) else time.altzone)
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if request_method == "GET":
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repository_url = _REPOSITORY_API_URL
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status, commit = self._load_remote_data(repository_url + '/git/refs/heads/master')
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parents = []
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if status['message'] != '':
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return json.dumps(status)
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if 'object' not in commit:
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status['message'] = _(u'Unexpected data while reading update information')
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return json.dumps(status)
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if commit['object']['sha'] == status['current_commit_hash']:
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status.update({
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'update': False,
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'success': True,
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'message': _(u'No update available. You already have the latest version installed')
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})
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return json.dumps(status)
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# a new update is available
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status['update'] = True
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try:
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headers = {'Accept': 'application/vnd.github.v3+json'}
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r = requests.get(repository_url + '/git/commits/' + commit['object']['sha'], headers=headers)
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r.raise_for_status()
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update_data = r.json()
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except requests.exceptions.HTTPError as e:
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status['error'] = _(u'HTTP Error') + ' ' + str(e)
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except requests.exceptions.ConnectionError:
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status['error'] = _(u'Connection error')
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except requests.exceptions.Timeout:
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status['error'] = _(u'Timeout while establishing connection')
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except requests.exceptions.RequestException:
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status['error'] = _(u'General error')
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if status['message'] != '':
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return json.dumps(status)
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if 'committer' in update_data and 'message' in update_data:
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status['success'] = True
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status['message'] = _(
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u'A new update is available. Click on the button below to update to the latest version.')
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new_commit_date = datetime.datetime.strptime(
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update_data['committer']['date'], '%Y-%m-%dT%H:%M:%SZ') - tz
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parents.append(
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[
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format_datetime(new_commit_date, format='short', locale=locale),
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update_data['message'],
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update_data['sha']
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]
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)
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# it only makes sense to analyze the parents if we know the current commit hash
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if status['current_commit_hash'] != '':
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try:
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parent_commit = update_data['parents'][0]
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# limit the maximum search depth
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remaining_parents_cnt = 10
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except IndexError:
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remaining_parents_cnt = None
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if remaining_parents_cnt is not None:
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while True:
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if remaining_parents_cnt == 0:
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break
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# check if we are more than one update behind if so, go up the tree
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if parent_commit['sha'] != status['current_commit_hash']:
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try:
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headers = {'Accept': 'application/vnd.github.v3+json'}
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r = requests.get(parent_commit['url'], headers=headers)
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r.raise_for_status()
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parent_data = r.json()
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parent_commit_date = datetime.datetime.strptime(
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parent_data['committer']['date'], '%Y-%m-%dT%H:%M:%SZ') - tz
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parent_commit_date = format_datetime(
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parent_commit_date, format='short', locale=locale)
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parents.append([parent_commit_date,
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parent_data['message'].replace('\r\n', '<p>').replace('\n', '<p>')])
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parent_commit = parent_data['parents'][0]
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remaining_parents_cnt -= 1
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except Exception:
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# it isn't crucial if we can't get information about the parent
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break
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else:
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# parent is our current version
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break
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status['history'] = parents[::-1]
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else:
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status['success'] = False
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status['message'] = _(u'Could not fetch update information')
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return json.dumps(status)
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return ''
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def _stable_available_updates(self, request_method):
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if request_method == "GET":
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parents = []
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# repository_url = 'https://api.github.com/repos/flatpak/flatpak/releases' # test URL
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repository_url = _REPOSITORY_API_URL + '/releases?per_page=100'
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status, commit = self._load_remote_data(repository_url)
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if status['message'] != '':
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return json.dumps(status)
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if not commit:
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status['success'] = True
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status['message'] = _(u'No release information available')
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return json.dumps(status)
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version = status['current_commit_hash']
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current_version = status['current_commit_hash'].split('.')
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# we are already on newest version, no update available
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if 'tag_name' not in commit[0]:
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status['message'] = _(u'Unexpected data while reading update information')
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return json.dumps(status)
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if commit[0]['tag_name'] == version:
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status.update({
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'update': False,
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'success': True,
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'message': _(u'No update available. You already have the latest version installed')
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})
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return json.dumps(status)
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i = len(commit) - 1
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while i >= 0:
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if 'tag_name' not in commit[i] or 'body' not in commit[i]:
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status['message'] = _(u'Unexpected data while reading update information')
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return json.dumps(status)
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major_version_update = int(commit[i]['tag_name'].split('.')[0])
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minor_version_update = int(commit[i]['tag_name'].split('.')[1])
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patch_version_update = int(commit[i]['tag_name'].split('.')[2])
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current_version[0] = int(current_version[0])
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current_version[1] = int(current_version[1])
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try:
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current_version[2] = int(current_version[2])
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except ValueError:
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current_version[2] = int(current_version[2].split(' ')[0])-1
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# Check if major versions are identical search for newest nonenqual commit and update to this one
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if major_version_update == current_version[0]:
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if (minor_version_update == current_version[1] and
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patch_version_update > current_version[2]) or \
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minor_version_update > current_version[1]:
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parents.append([commit[i]['tag_name'], commit[i]['body'].replace('\r\n', '<p>')])
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i -= 1
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continue
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if major_version_update < current_version[0]:
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i -= 1
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continue
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if major_version_update > current_version[0]:
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# found update update to last version before major update, unless current version is on last version
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# before major update
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if commit[i+1]['tag_name'].split('.')[1] == current_version[1]:
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parents.append([commit[i]['tag_name'],
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commit[i]['body'].replace('\r\n', '<p>').replace('\n', '<p>')])
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status.update({
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'update': True,
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'success': True,
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'message': _(u'A new update is available. Click on the button below to '
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u'update to version: %(version)s', version=commit[i]['tag_name']),
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'history': parents
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})
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self.updateFile = commit[i]['zipball_url']
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else:
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status.update({
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'update': True,
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'success': True,
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'message': _(u'A new update is available. Click on the button below to '
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u'update to version: %(version)s', version=commit[i]['tag_name']),
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'history': parents
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})
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self.updateFile = commit[i+1]['zipball_url']
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break
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if i == -1:
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status.update({
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'update': True,
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'success': True,
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'message': _(
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u'Click on the button below to update to the latest stable version.'),
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'history': parents
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})
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self.updateFile = commit[0]['zipball_url']
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return json.dumps(status)
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def _get_request_path(self):
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if config.config_updatechannel == constants.UPDATE_STABLE:
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return self.updateFile
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return _REPOSITORY_API_URL + '/zipball/master'
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def _load_remote_data(self, repository_url):
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status = {
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'update': False,
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'success': False,
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'message': '',
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'current_commit_hash': ''
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}
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commit = None
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version = self.get_current_version_info()
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if version is False:
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status['current_commit_hash'] = _(u'Unknown')
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else:
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status['current_commit_hash'] = version['version']
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try:
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headers = {'Accept': 'application/vnd.github.v3+json'}
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r = requests.get(repository_url, headers=headers)
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commit = r.json()
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r.raise_for_status()
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except requests.exceptions.HTTPError as e:
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if commit:
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if 'message' in commit:
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status['message'] = _(u'HTTP Error') + ': ' + commit['message']
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else:
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status['message'] = _(u'HTTP Error') + ': ' + str(e)
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except requests.exceptions.ConnectionError:
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status['message'] = _(u'Connection error')
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except requests.exceptions.Timeout:
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status['message'] = _(u'Timeout while establishing connection')
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except requests.exceptions.RequestException:
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status['message'] = _(u'General error')
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return status, commit
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