scrapy.utils.signal

module documentation

(source)

Helper functions for working with signals

Function	`disconnect_all`	Disconnect all signal handlers. Useful for cleaning up after running tests
Function	`send_catch_log`	Like pydispatcher.robust.sendRobust but it also logs errors and returns Failures instead of exceptions.
Function	`send_catch_log_deferred`	Like send_catch_log but supports returning deferreds on signal handlers. Returns a deferred that gets fired once all signal handlers deferreds were fired.
Variable	`logger`	Undocumented

def disconnect_all(signal=Any, sender=Any): (source) ¶

Disconnect all signal handlers. Useful for cleaning up after running tests

def send_catch_log(signal=Any, sender=Anonymous, *arguments, **named): (source) ¶

Like pydispatcher.robust.sendRobust but it also logs errors and returns Failures instead of exceptions.

def send_catch_log_deferred(signal=Any, sender=Anonymous, *arguments, **named): (source) ¶

Like send_catch_log but supports returning deferreds on signal handlers. Returns a deferred that gets fired once all signal handlers deferreds were fired.

logger = (source) ¶

Undocumented