mirror of https://github.com/scrapy/scrapy.git
34 lines
833 B
Python
34 lines
833 B
Python
"""
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Scrapy core signals
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These signals are documented in docs/topics/signals.rst. Please don't add new
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signals here without documenting them there.
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"""
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from scrapy.xlib.pydispatch import dispatcher
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from scrapy import log
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engine_started = object()
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engine_stopped = object()
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domain_open = object()
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domain_opened = object()
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domain_idle = object()
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domain_closed = object()
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request_received = object()
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request_uploaded = object()
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response_received = object()
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response_downloaded = object()
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item_scraped = object()
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item_passed = object()
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item_dropped = object()
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def send_catch_log(signal, sender=None, **kwargs):
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"""
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Send a signal and log any exceptions raised by its listeners
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"""
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try:
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dispatcher.send(signal=signal, sender=sender, **kwargs)
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except:
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log.exc("Exception catched on signal dispatch")
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