70 lines
3.3 KiB
Python
70 lines
3.3 KiB
Python
# ***************************************************************************
|
|
# * *
|
|
# * Copyright (c) 2022 FreeCAD Project Association *
|
|
# * *
|
|
# * This library is free software; you can redistribute it and/or *
|
|
# * modify it under the terms of the GNU Lesser General Public *
|
|
# * License as published by the Free Software Foundation; either *
|
|
# * version 2.1 of the License, or (at your option) any later version. *
|
|
# * *
|
|
# * This library 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 *
|
|
# * Lesser General Public License for more details. *
|
|
# * *
|
|
# * You should have received a copy of the GNU Lesser General Public *
|
|
# * License along with this library; if not, write to the Free Software *
|
|
# * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA *
|
|
# * 02110-1301 USA *
|
|
# * *
|
|
# ***************************************************************************
|
|
|
|
""" Misc. worker thread classes for the FreeCAD Addon Manager. """
|
|
|
|
from typing import Optional
|
|
|
|
import FreeCAD
|
|
from PySide2 import QtCore
|
|
import NetworkManager
|
|
|
|
|
|
class ConnectionChecker(QtCore.QThread):
|
|
"""A worker thread for checking the connection to GitHub as a proxy for overall
|
|
network connectivity. It has two signals: success() and failure(str). The failure
|
|
signal contains a translated error message suitable for display to an end user."""
|
|
|
|
success = QtCore.Signal()
|
|
failure = QtCore.Signal(str)
|
|
|
|
def __init__(self):
|
|
QtCore.QThread.__init__(self)
|
|
|
|
def run(self):
|
|
"""Not generally called directly: create a new ConnectionChecker object and
|
|
call start() on it to spawn a child thread."""
|
|
|
|
FreeCAD.Console.PrintLog("Checking network connection...\n")
|
|
result = self.check_network_connection()
|
|
if QtCore.QThread.currentThread().isInterruptionRequested():
|
|
FreeCAD.Console.PrintLog("Connection check cancelled\n")
|
|
return
|
|
if not result:
|
|
self.failure.emit(
|
|
translate(
|
|
"AddonsInstaller",
|
|
"Unable to read data from GitHub: check your internet connection and proxy settings and try again.",
|
|
)
|
|
)
|
|
return
|
|
FreeCAD.Console.PrintLog(f"GitHub's zen message response: {result}\n")
|
|
self.success.emit()
|
|
|
|
def check_network_connection(self) -> Optional[str]:
|
|
"""The main work of this object: returns the decoded result of the connection request, or
|
|
None if the request failed"""
|
|
url = "https://api.github.com/zen"
|
|
result = NetworkManager.AM_NETWORK_MANAGER.blocking_get(url)
|
|
if result:
|
|
return result.data().decode("utf8")
|
|
return None
|