285 lines
10 KiB
Python
285 lines
10 KiB
Python
# -*- coding: utf-8 -*-
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# vi:si:et:sw=4:sts=4:ts=4
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from contextlib import closing
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import json
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import os
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import tarfile
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from threading import Thread
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import urllib.request, urllib.error, urllib.parse
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import shutil
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import subprocess
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import sys
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import time
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import ed25519
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import ox
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from oxtornado import actions
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import settings
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import logging
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logger = logging.getLogger(__name__)
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ENCODING='base64'
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def verify(release):
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vk = ed25519.VerifyingKey(settings.OML_UPDATE_KEY, encoding=ENCODING)
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value = []
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for module in sorted(release['modules']):
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value += [str('%s/%s' % (release['modules'][module]['version'], release['modules'][module]['sha1']))]
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value = '\n'.join(value)
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value = value.encode()
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sig = release['signature'].encode()
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try:
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vk.verify(sig, value, encoding=ENCODING)
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except ed25519.BadSignatureError:
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return False
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return True
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def get(url, filename=None):
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request = urllib.request.Request(url, headers={
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'User-Agent': settings.USER_AGENT
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})
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with closing(urllib.request.urlopen(request)) as u:
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if not filename:
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data = u.read()
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return data
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else:
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dirname = os.path.dirname(filename)
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if dirname and not os.path.exists(dirname):
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os.makedirs(dirname)
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with open(filename, 'wb') as fd:
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data = u.read(4096)
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while data:
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fd.write(data)
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data = u.read(4096)
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def check():
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if settings.release:
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release_data = get(settings.server.get('release_url',
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'http://downloads.openmedialibrary.com/release.json'))
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release = json.loads(release_data.decode('utf-8'))
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old = current_version('openmedialibrary')
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new = release['modules']['openmedialibrary']['version']
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return verify(release) and old < new
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return False
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def current_version(module):
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if 'modules' in settings.release \
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and module in settings.release['modules'] \
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and 'version' in settings.release['modules'][module]:
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version = settings.release['modules'][module]['version']
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else:
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version = ''
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return version
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def get_latest_release():
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release_data = get(settings.server.get('release_url'))
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release = json.loads(release_data.decode('utf-8'))
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if verify(release):
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with open(os.path.join(settings.updates_path, 'release.json'), 'wb') as fd:
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fd.write(release_data)
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return release
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def download():
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if not os.path.exists(os.path.join(settings.config_path, 'release.json')):
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return True
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release = get_latest_release()
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if release:
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ox.makedirs(settings.updates_path)
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os.chdir(os.path.dirname(settings.base_dir))
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current_files = {'release.json'}
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for module in release['modules']:
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if release['modules'][module]['version'] > current_version(module):
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module_tar = os.path.join(settings.updates_path, release['modules'][module]['name'])
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base_url = settings.server.get('release_url').rsplit('/', 1)[0]
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url = '/'.join([base_url, release['modules'][module]['name']])
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if not os.path.exists(module_tar):
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logger.debug('download', os.path.basename(module_tar))
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get(url, module_tar)
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if ox.sha1sum(module_tar) != release['modules'][module]['sha1']:
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logger.debug('invalid checksum', os.path.basename(module_tar))
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os.unlink(module_tar)
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return False
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current_files.add(os.path.basename(module_tar))
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for f in set(next(os.walk(settings.updates_path))[2])-current_files:
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os.unlink(os.path.join(settings.updates_path, f))
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return True
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return True
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def install():
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if not os.path.exists(os.path.join(settings.updates_path, 'release.json')):
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return True
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if not os.path.exists(os.path.join(settings.config_path, 'release.json')):
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return True
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with open(os.path.join(settings.updates_path, 'release.json')) as fd:
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release = json.load(fd)
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old_version = current_version('openmedialibrary')
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new_version = release['modules']['openmedialibrary']['version']
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if verify(release) and old_version < new_version:
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os.chdir(os.path.dirname(settings.base_dir))
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for module in release['modules']:
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if release['modules'][module]['version'] > current_version(module):
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module_tar = os.path.join(settings.updates_path, release['modules'][module]['name'])
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if os.path.exists(module_tar) and ox.sha1sum(module_tar) == release['modules'][module]['sha1']:
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#tar fails if old platform is moved before extract
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new = '%s_new' % module
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ox.makedirs(new)
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os.chdir(new)
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tar = tarfile.open(module_tar)
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tar.extractall()
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tar.close()
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os.chdir(os.path.dirname(settings.base_dir))
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module_old = '%s_old' % module
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if os.path.exists(module):
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shutil.move(module, module_old)
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shutil.move(os.path.join(new, module), module)
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if os.path.exists(module_old):
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shutil.rmtree(module_old)
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shutil.rmtree(new)
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else:
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os.unlink(module_tar)
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return False
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shutil.copy(os.path.join(settings.updates_path, 'release.json'), os.path.join(settings.config_path, 'release.json'))
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for cmd in [
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['./ctl', 'stop'],
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['./ctl', 'postupdate', '-o', old_version, '-n', new_version]
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]:
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subprocess.call(cmd)
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upgrade_app()
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return True
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return True
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def update_available():
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db_version = settings.server.get('db_version', 0)
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if db_version < settings.DB_VERSION:
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return True
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if not os.path.exists(os.path.join(settings.updates_path, 'release.json')):
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return False
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if not os.path.exists(os.path.join(settings.config_path, 'release.json')):
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return False
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with open(os.path.join(settings.updates_path, 'release.json')) as fd:
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release = json.load(fd)
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old_version = current_version('openmedialibrary')
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new_version = release['modules']['openmedialibrary']['version']
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return verify(release) and old_version < new_version
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def restart_oml(update=False):
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if update:
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get_latest_release()
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subprocess.Popen([os.path.join(settings.base_dir, 'ctl'), 'restart'],
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close_fds=True, start_new_session=True)
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def get_app_version(app):
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plist = app + '/Contents/Info.plist'
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if os.path.exists(plist):
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cmd = ['defaults', 'read', plist, 'CFBundleShortVersionString']
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return subprocess.check_output(cmd).strip()
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def upgrade_app():
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if sys.platform == 'darwin':
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base = os.path.dirname(settings.base_dir)
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bundled_app = os.path.join(base, 'platform/Darwin/Applications/Open Media Library.app')
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app = '/Applications/Open Media Library.app'
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version = get_app_version(app)
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current_version = get_app_version(bundled_app)
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if version and current_version and version != current_version:
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try:
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shutil.rmtree(app)
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shutil.copytree(bundled_app, app)
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except:
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logger.debug('Failed to update Application', exc_info=1)
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def getVersion(data):
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'''
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check if new version is available
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'''
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response = {
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'current': settings.MINOR_VERSION,
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'upgrade': False,
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}
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if settings.MINOR_VERSION == 'git':
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'''
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cmd = ['git', 'rev-parse', '@']
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p = subprocess.Popen(cmd, stdout=subprocess.PIPE, close_fds=True)
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stdout, stderr = p.communicate()
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current = stdout.strip()
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cmd = ['git', 'ls-remote', 'origin', '-h', 'refs/heads/master']
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p = subprocess.Popen(cmd, stdout=subprocess.PIPE, close_fds=True)
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stdout, stderr = p.communicate()
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new = stdout.strip()[:40]
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response['update'] = len(new) == 40 and current != new
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'''
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response['update'] = False
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else:
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get_latest_release()
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if not os.path.exists(os.path.join(settings.updates_path, 'release.json')):
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return response
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if not os.path.exists(os.path.join(settings.config_path, 'release.json')):
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return response
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with open(os.path.join(settings.updates_path, 'release.json')) as fd:
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release = json.load(fd)
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current = current_version('openmedialibrary')
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response['current'] = current
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new = release['modules']['openmedialibrary']['version']
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response['new'] = new
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response['update'] = current < new
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return response
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actions.register(getVersion, cache=False)
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def restart(data):
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'''
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restart (and upgrade if upgrades are available)
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'''
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restart_oml(data.get('update'))
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return {}
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actions.register(restart, cache=False)
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class Update(Thread):
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def __init__(self):
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Thread.__init__(self)
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self.daemon = True
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self.start()
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def status(self, status, reload=False):
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from websocket import trigger_event
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trigger_event('updatestatus', {
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'reload': reload,
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'status': status,
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})
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def install(self):
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while update_available():
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self.status('Downloading new version...')
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while not download():
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self.status('Download failed... (try again in 10 seconds)')
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time.sleep(10)
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self.status('Downloading new version...')
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self.status('Installing new version...')
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# install right now calls stop!
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'''
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if not install():
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self.status('Installation failed...')
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'''
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restart_oml()
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def update_database(self):
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db_version = settings.server.get('db_version', 0)
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if db_version < settings.DB_VERSION:
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self.status('Migrating database...')
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time.sleep(1)
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settings.server['db_version'] = settings.DB_VERSION
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def run(self):
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self.status('Checking for Updates...')
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self.update_database()
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self.install()
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self.status('Restarting...', True)
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restart_oml()
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