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Context restoring #27

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Context restoring #27

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MatthewZMSU
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Description

Implemented new downloader middleware for restoring contexts when they are destroyed.
Added example spider.
Added info about the middleware to README.

Restructured the project to have more than 1 middleware. Changed init.py in the corresponding way to provide backward compatibility.

Type of change

  • New feature (non-breaking change which adds functionality)
  • This change requires a documentation update

How Has This Been Tested?

I tested the middleware with several spuder on my PC.

Checklist:

  • My code follows the style guidelines of this project
  • I have performed a self-review of my code
  • I have commented my code, particularly in hard-to-understand areas
  • I have made corresponding changes to the documentation
  • My changes generate no new warnings

Comment on lines +102 to +106
if request_binding:
# Could not get context, retry
if request.meta.get("__restore_count", 0) < self.n_retry_restoring:
request.meta["__restore_count"] += 1
return request
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I'm not sure if this situation even possible.
I could not reproduce it, but I added it here.
What do you think?

@MatthewZMSU
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MatthewZMSU commented May 29, 2024

Service and Recaptcha middlewares were mostly copied from previous middleware.py file.
I only fixed typo and added proper logging.

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