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158 lines
6.5 KiB
158 lines
6.5 KiB
# coding=utf-8
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import os
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import logging
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import json
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import requests
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import semver
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from shutil import rmtree
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from zipfile import ZipFile
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from get_args import args
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from config import settings
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def check_releases():
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releases = []
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url_releases = 'https://api.github.com/repos/morpheus65535/Bazarr/releases?per_page=100'
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try:
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logging.debug('BAZARR getting releases from Github: {}'.format(url_releases))
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r = requests.get(url_releases, allow_redirects=True)
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r.raise_for_status()
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except requests.exceptions.HTTPError as errh:
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logging.exception("Error trying to get releases from Github. Http error.")
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except requests.exceptions.ConnectionError as errc:
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logging.exception("Error trying to get releases from Github. Connection Error.")
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except requests.exceptions.Timeout as errt:
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logging.exception("Error trying to get releases from Github. Timeout Error.")
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except requests.exceptions.RequestException as err:
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logging.exception("Error trying to get releases from Github.")
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else:
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for release in r.json():
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download_link = None
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for asset in release['assets']:
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if asset['name'] == 'bazarr.zip':
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download_link = asset['browser_download_url']
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if not download_link:
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download_link = release['zipball_url']
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releases.append({'name': release['name'],
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'body': release['body'],
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'date': release['published_at'],
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'prerelease': release['prerelease'],
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'download_link': download_link})
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with open(os.path.join(args.config_dir, 'config', 'releases.txt'), 'w') as f:
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json.dump(releases, f)
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logging.debug('BAZARR saved {} releases to releases.txt'.format(len(r.json())))
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def check_if_new_update():
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if settings.general.branch == 'master':
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use_prerelease = False
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elif settings.general.branch == 'development':
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use_prerelease = True
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else:
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logging.error('BAZARR unknown branch provided to updater: {}'.format(settings.general.branch))
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return
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logging.debug('BAZARR updater is using {} branch'.format(settings.general.branch))
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check_releases()
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with open(os.path.join(args.config_dir, 'config', 'releases.txt'), 'r') as f:
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data = json.load(f)
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if not args.no_update:
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if use_prerelease:
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release = next((item for item in data), None)
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else:
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release = next((item for item in data if not item["prerelease"]), None)
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if release:
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logging.debug('BAZARR last release available is {}'.format(release['name']))
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try:
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semver.parse(os.environ["BAZARR_VERSION"])
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semver.parse(release['name'].lstrip('v'))
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except ValueError:
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new_version = True
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else:
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new_version = True if semver.compare(release['name'].lstrip('v'), os.environ["BAZARR_VERSION"]) > 0 \
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else False
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# skip update process if latest release is v0.9.1.1 which is the latest pre-semver compatible release
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if new_version and release['name'] != 'v0.9.1.1':
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logging.debug('BAZARR newer release available and will be downloaded: {}'.format(release['name']))
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download_release(url=release['download_link'])
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else:
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logging.debug('BAZARR no newer release have been found')
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else:
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logging.debug('BAZARR no release found')
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else:
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logging.debug('BAZARR --no_update have been used as an argument')
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def download_release(url):
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r = None
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update_dir = os.path.join(args.config_dir, 'update')
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try:
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os.makedirs(update_dir, exist_ok=True)
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except Exception as e:
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logging.debug('BAZARR unable to create update directory {}'.format(update_dir))
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else:
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logging.debug('BAZARR downloading release from Github: {}'.format(url))
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r = requests.get(url, allow_redirects=True)
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if r:
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try:
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with open(os.path.join(update_dir, 'bazarr.zip'), 'wb') as f:
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f.write(r.content)
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except Exception as e:
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logging.exception('BAZARR unable to download new release and save it to disk')
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else:
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apply_update()
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def apply_update():
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is_updated = False
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update_dir = os.path.join(args.config_dir, 'update')
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bazarr_zip = os.path.join(update_dir, 'bazarr.zip')
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bazarr_dir = os.path.dirname(os.path.dirname(__file__))
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build_dir = os.path.join(os.path.dirname(__file__), 'frontend', 'build')
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if os.path.isdir(update_dir):
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if os.path.isfile(bazarr_zip):
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logging.debug('BAZARR is trying to unzip this release to {0}: {1}'.format(bazarr_dir, bazarr_zip))
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try:
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with ZipFile(bazarr_zip, 'r') as archive:
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zip_root_directory = ''
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if len({item.split('/')[0] for item in archive.namelist()}) == 1:
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zip_root_directory = archive.namelist()[0]
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if os.path.isdir(build_dir):
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try:
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rmtree(build_dir, ignore_errors=True)
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except Exception as e:
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logging.exception(
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'BAZARR was unable to delete the previous build directory during upgrade process.')
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for file in archive.namelist():
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if file.startswith(zip_root_directory) and file != zip_root_directory and not \
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file.endswith('bazarr.py'):
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file_path = os.path.join(bazarr_dir, file[len(zip_root_directory):])
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parent_dir = os.path.dirname(file_path)
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os.makedirs(parent_dir, exist_ok=True)
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if not os.path.isdir(file_path):
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with open(file_path, 'wb+') as f:
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f.write(archive.read(file))
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except Exception as e:
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logging.exception('BAZARR unable to unzip release')
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else:
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is_updated = True
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finally:
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logging.debug('BAZARR now deleting release archive')
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os.remove(bazarr_zip)
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else:
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return
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if is_updated:
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logging.debug('BAZARR new release have been installed, now we restart')
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from server import webserver
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webserver.restart()
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