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Clarify that without async-to-sync conversions items yielded before an exception are processed

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Adrián Chaves 2022-03-16 20:17:25 +01:00
parent c961438d5d
commit b78e6915c6
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docs/topics/coroutines.rst
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@ -155,6 +155,9 @@ synchronous ``process_spider_output`` method gets a synchronous iterable as its
``Request`` callback or ``process_spider_output`` method, none of that
output will be processed.
This contrasts with the regular behavior, where all items yielded before
an exception raises are processed.
Asynchronous-to-synchronous conversions are supported for backward
compatibility, but they are deprecated and will stop working in a future
version of Scrapy.