from flask import appcontext_pushed, g @contextmanager def user_set(app, user): def handler(sender, **kwargs): g.user = user with appcontext_pushed.connected_to(handler, app): yield specifies a sender. To unsubscribe from a signal, you can use the disconnect() [https://pythonhosted.org/blinker/index.html#blinker.base.Signal.disconnect] method. For all core Flask signals, the sender is the the application that issued the signal. When you subscribe to a signal, be sure to also provide a sender unless you really want to listen for signals from all applications. This is especially true if you

contextmanager from flask import appcontext_pushed, g @contextmanager def user_set(app, user): def handler(sender, **kwargs): g.user = user with appcontext_pushed.connected_to(handler, app): yield And then to emitted, the optional second argument specifies a sender. To unsubscribe from a signal, you can use the disconnect() method. For all core Flask signals, the sender is the application that issued the signal. When you subscribe to a signal, be sure to also provide a sender unless you really want to listen for signals from all applications. This is especially true if you are developing an extension. For example

custom error handlers to an exception. def log_exception(sender, exception, **extra): """ Log an exception to our logging framework """ sender.logger.debug('Got exception during processing: %s',

custom error handlers to an exception. def log_exception(sender, exception, **extra): """ Log an exception to our logging framework """ sender.logger.debug('Got exception during processing: %s', exception)

custom error handlers to an exception. def log_exception(sender, exception, **extra): """ Log an exception to our logging framework """ sender.logger.debug('Got exception during processing: %s', exception)

custom error handlers to an exception. def log_exception(sender, exception, **extra): """ Log an exception to our logging framework """ sender.logger.debug('Got exception during processing: %s',

custom error handlers to an exception. def log_exception(sender, exception, **extra): """ Log an exception to our logging framework """ sender.logger.debug('Got exception during processing: %s', exception)

custom error handlers to an exception. def log_exception(sender, exception, **extra): """ Log an exception to our logging framework """ sender.logger.debug('Got exception during processing: %s', exception)

custom error handlers to an exception. def log_exception(sender, exception, **extra): """ Log an exception to our logging framework """ sender.logger.debug('Got exception during processing: %s',

custom error handlers to an exception. def log_exception(sender, exception, **extra): """ Log an exception to our logging framework """ sender.logger.debug('Got exception during processing: %s',