Create attractive VASL scenarios, with loads of useful information embedded to assist with game play.
https://vasl-templates.org
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88 lines
2.9 KiB
88 lines
2.9 KiB
#!/usr/bin/env python3
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""" Main entry point for the application. """
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import sys
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import threading
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import traceback
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import logging
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import urllib.request
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from PyQt5.QtWidgets import QApplication
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from PyQt5.QtCore import Qt
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from vasl_templates.main_window import MainWindow
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from vasl_templates.webapp import app as webapp
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# ---------------------------------------------------------------------
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class LoggerProxy:
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"""Redirect messages to Python logging."""
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def __init__( self, logger, level ):
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self.logger = logger
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self.level = level
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self.closed = False
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def write( self, msg ):
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"""Output a message."""
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if isinstance(msg, bytes):
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msg = msg.decode( "utf-8" )
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msg = msg.rstrip()
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if msg:
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self.logger.log( self.level, msg )
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def flush( self ):
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"""Flush the output stream."""
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pass
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# ---------------------------------------------------------------------
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def main():
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"""Main entry point for the application."""
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# connect stdout/stderr to Python logging
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# NOTE: Logging to the console causes crashes on Windows if we are frozen, so don't do that!
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sys.stdout = LoggerProxy( logging, logging.INFO )
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sys.stderr = LoggerProxy( logging, logging.WARNING )
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# start the webapp server
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port = webapp.config["FLASK_PORT_NO"]
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def webapp_thread():
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"""Run the webapp server."""
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try:
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webapp.run( host="localhost", port=port, use_reloader=False )
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except Exception as ex:
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logging.critical( "WEBAPP SERVER EXCEPTION: %s", ex )
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logging.critical( traceback.format_exc() )
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raise
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thread = threading.Thread( target=webapp_thread )
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thread.start()
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# check if we should disable OpenGL
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# Using the QWebEngineView crashes on Windows 7 in a VM. It uses OpenGL, which is
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# apparently not well supported on Windows, and is dependent on the graphics card driver:
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# https://stackoverflow.com/a/50393872
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# https://stackoverflow.com/questions/33090346/is-there-any-way-to-use-qtwebengine-without-opengl
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# Switching to software rendering (AA_UseSoftwareOpenGL) got things going :shrug:
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# Also see: https://doc.qt.io/qt-5/windows-requirements.html
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opengl_type = webapp.config.get( "OPENGL_TYPE" )
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if opengl_type:
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logging.info( "Setting OpenGL: %s", opengl_type )
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opengl_type = getattr( Qt, opengl_type )
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QApplication.setAttribute( opengl_type )
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# run the application
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app = QApplication( sys.argv )
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url = "http://localhost:{}/main".format( port )
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main_window = MainWindow( url )
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main_window.show()
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ret_code = app.exec_()
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# shutdown the webapp server
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url = "http://localhost:{}/shutdown".format( port )
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urllib.request.urlopen( url ).read()
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thread.join()
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return ret_code
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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if __name__ == "__main__":
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sys.exit( main() )
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