forked from openlp/openlp
157 lines
6.5 KiB
Python
157 lines
6.5 KiB
Python
# -*- coding: utf-8 -*-
|
|
# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4
|
|
|
|
###############################################################################
|
|
# OpenLP - Open Source Lyrics Projection #
|
|
# --------------------------------------------------------------------------- #
|
|
# Copyright (c) 2008-2018 OpenLP Developers #
|
|
# --------------------------------------------------------------------------- #
|
|
# This program is free software; you can redistribute it and/or modify it #
|
|
# under the terms of the GNU General Public License as published by the Free #
|
|
# Software Foundation; version 2 of the License. #
|
|
# #
|
|
# This program is distributed in the hope that it will be useful, but WITHOUT #
|
|
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or #
|
|
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for #
|
|
# more details. #
|
|
# #
|
|
# You should have received a copy of the GNU General Public License along #
|
|
# with this program; if not, write to the Free Software Foundation, Inc., 59 #
|
|
# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
|
|
###############################################################################
|
|
"""
|
|
The :mod:`openlp.core.version` module downloads the version details for OpenLP.
|
|
"""
|
|
import logging
|
|
import platform
|
|
import sys
|
|
import time
|
|
from datetime import date
|
|
from distutils.version import LooseVersion
|
|
from subprocess import Popen, PIPE
|
|
|
|
import requests
|
|
from PyQt5 import QtCore
|
|
|
|
from openlp.core.common.applocation import AppLocation
|
|
from openlp.core.common.settings import Settings
|
|
from openlp.core.threading import ThreadWorker, run_thread
|
|
|
|
log = logging.getLogger(__name__)
|
|
|
|
APPLICATION_VERSION = {}
|
|
CONNECTION_TIMEOUT = 30
|
|
CONNECTION_RETRIES = 2
|
|
|
|
|
|
class VersionWorker(ThreadWorker):
|
|
"""
|
|
A worker class to fetch the version of OpenLP from the website. This is run from within a thread so that it
|
|
doesn't affect the loading time of OpenLP.
|
|
"""
|
|
new_version = QtCore.pyqtSignal(dict)
|
|
no_internet = QtCore.pyqtSignal()
|
|
|
|
def __init__(self, last_check_date, current_version):
|
|
"""
|
|
Constructor for the version check worker.
|
|
|
|
:param string last_check_date: The last day we checked for a new version of OpenLP
|
|
"""
|
|
log.debug('VersionWorker - Initialise')
|
|
super(VersionWorker, self).__init__(None)
|
|
self.last_check_date = last_check_date
|
|
self.current_version = current_version
|
|
|
|
def start(self):
|
|
"""
|
|
Check the latest version of OpenLP against the version file on the OpenLP site.
|
|
|
|
**Rules around versions and version files:**
|
|
|
|
* If a version number has a build (i.e. -bzr1234), then it is a nightly.
|
|
* If a version number's minor version is an odd number, it is a development release.
|
|
* If a version number's minor version is an even number, it is a stable release.
|
|
"""
|
|
log.debug('VersionWorker - Start')
|
|
download_url = 'https://www.openlp.org/files/version.txt'
|
|
if self.current_version['build']:
|
|
download_url = 'https://www.openlp.org/files/nightly_version.txt'
|
|
elif int(self.current_version['version'].split('.')[1]) % 2 != 0:
|
|
download_url = 'https://www.openlp.org/files/dev_version.txt'
|
|
headers = {
|
|
'User-Agent': 'OpenLP/{version} {system}/{release}; '.format(version=self.current_version['full'],
|
|
system=platform.system(),
|
|
release=platform.release())
|
|
}
|
|
remote_version = None
|
|
retries = 0
|
|
while retries < 3:
|
|
try:
|
|
response = requests.get(download_url, headers=headers)
|
|
remote_version = response.text.strip()
|
|
log.debug('New version found: %s', remote_version)
|
|
break
|
|
except OSError:
|
|
log.exception('Unable to connect to OpenLP server to download version file')
|
|
retries += 1
|
|
else:
|
|
self.no_internet.emit()
|
|
if remote_version and LooseVersion(remote_version) > LooseVersion(self.current_version['full']):
|
|
self.new_version.emit(remote_version)
|
|
self.quit.emit()
|
|
|
|
|
|
def update_check_date():
|
|
"""
|
|
Save when we last checked for an update
|
|
"""
|
|
Settings().setValue('core/last version test', date.today().strftime('%Y-%m-%d'))
|
|
|
|
|
|
def check_for_update(main_window):
|
|
"""
|
|
Run a thread to download and check the version of OpenLP
|
|
|
|
:param MainWindow main_window: The OpenLP main window.
|
|
"""
|
|
last_check_date = Settings().value('core/last version test')
|
|
if date.today().strftime('%Y-%m-%d') <= last_check_date:
|
|
log.debug('Version check skipped, last checked today')
|
|
return
|
|
worker = VersionWorker(last_check_date, get_version())
|
|
worker.new_version.connect(main_window.on_new_version)
|
|
worker.quit.connect(update_check_date)
|
|
# TODO: Use this to figure out if there's an Internet connection?
|
|
# worker.no_internet.connect(parent.on_no_internet)
|
|
run_thread(worker, 'version')
|
|
|
|
|
|
def get_version():
|
|
"""
|
|
Returns the application version of the running instance of OpenLP::
|
|
|
|
{'full': '1.9.4-bzr1249', 'version': '1.9.4', 'build': 'bzr1249'}
|
|
"""
|
|
global APPLICATION_VERSION
|
|
if APPLICATION_VERSION:
|
|
return APPLICATION_VERSION
|
|
file_path = AppLocation.get_directory(AppLocation.VersionDir) / '.version'
|
|
try:
|
|
full_version = file_path.read_text().rstrip()
|
|
except OSError:
|
|
log.exception('Error in version file.')
|
|
full_version = '0.0.0'
|
|
bits = full_version.split('-')
|
|
APPLICATION_VERSION = {
|
|
'full': full_version,
|
|
'version': bits[0],
|
|
'build': bits[1] if len(bits) > 1 else None
|
|
}
|
|
if APPLICATION_VERSION['build']:
|
|
log.info('Openlp version {version} build {build}'.format(version=APPLICATION_VERSION['version'],
|
|
build=APPLICATION_VERSION['build']))
|
|
else:
|
|
log.info('Openlp version {version}'.format(version=APPLICATION_VERSION['version']))
|
|
return APPLICATION_VERSION
|