Add auto_close_connection_pool and close_connection_pool in Redis.close()

[Andrew-Chen-Wang]

Signed-off-by: Andrew-Chen-Wang acwangpython@gmail.com

What do these changes do?

Add auto_close_connection_pool for Redis-created connection pools, not manually created pools. Adds close_connection_pool in Redis.close() for manual override on whether to close connection pool or not.

Are there changes in behavior for the user?

Yes, connection pools automatically disconnect. The user may still disconnect all connections from the connection pools themselves, but it is safe to remove their code for doing so. It is also safe to leave it as is.

Related issue number

Fixes #1103

Checklist

• I think the code is well written
• Unit tests for the changes exist
• Documentation reflects the changes
• If you provide code modification, please add yourself to CONTRIBUTORS.txt
  • The format is <Name> <Surname>.
  • Please keep alphabetical order, the file is sorted by names.
• Add a new news fragment into the CHANGES/ folder
  • name it <issue_id>.<type> (e.g. 588.bugfix)
  • if you don't have an issue_id change it to the pr id after creating the PR
  • ensure type is one of the following:
    • .feature: Signifying a new feature.
    • .bugfix: Signifying a bug fix.
    • .doc: Signifying a documentation improvement.
    • .removal: Signifying a deprecation or removal of public API.
    • .misc: A ticket has been closed, but it is not of interest to users.
  • Make sure to use full sentences with correct case and punctuation, for example:
    Fix issue with non-ascii contents in doctest text files.

[codecov]

Codecov Report

Merging #1256 (7e47114) into master (56d6b32) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #1256      +/-   ##
==========================================
+ Coverage   90.66%   90.68%   +0.01%     
==========================================
  Files          21       21              
  Lines        6870     6926      +56     
  Branches      884      888       +4     
==========================================
+ Hits         6229     6281      +52     
- Misses        469      471       +2     
- Partials      172      174       +2     

Flag	Coverage Δ
unit	90.60% <100.00%> (+0.01%)	⬆️

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Impacted Files	Coverage Δ
aioredis/client.py	82.39% <100.00%> (-0.08%)	⬇️
tests/test_connection_pool.py	99.37% <100.00%> (+0.07%)	⬆️
aioredis/connection.py	77.18% <0.00%> (-0.24%)	⬇️

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