Create attractive VASL scenarios, with loads of useful information embedded to assist with game play.
https://vasl-templates.org
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41 lines
1.7 KiB
41 lines
1.7 KiB
""" Miscellaneous utilities. """
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import functools
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import logging
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import traceback
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# ---------------------------------------------------------------------
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def catch_exceptions( caption="EXCEPTION", retval=None ):
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"""Decorator that handles exceptions thrown by the wrapped function.
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We have to wrap every callback fuction that the front-end invokes with this,
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otherwise an exception will cause the program to crash and die :-/
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"""
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def decorator( func ):
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"""The real decorator function."""
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@functools.wraps( func )
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def wrapper( *args, **kwargs ):
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"""Wrapper around the function being decorated."""
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try:
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return func( *args, **kwargs )
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except Exception as ex: #pylint: disable=broad-except
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logging.critical( "%s: %s", caption, ex )
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logging.critical( traceback.format_exc() )
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from vasl_templates.main_window import MainWindow #pylint: disable=cyclic-import
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MainWindow.showErrorMsg( "Unexpected callback error:\n\n{}".format( str(ex) ) )
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return retval
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return wrapper
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return decorator
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# ---------------------------------------------------------------------
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def show_msg_store( msg_store ):
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"""Show messages in a MsgStore."""
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# NOTE: It would be nice to show a single dialog with all the messages, each one tagged with
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# a pretty little icon, but for now, we just show a message box for each message :-/
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from vasl_templates.main_window import MainWindow
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for msg_type in ("error","warning"):
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for msg in msg_store.get_msgs( msg_type ):
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MainWindow.showErrorMsg( msg )
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