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Title: bpo-28053: Complete and fix custom reducers in multiprocessing. by pablogsal · Pull Request #9959 · python/cpython · GitHub

Open Graph Title: bpo-28053: Complete and fix custom reducers in multiprocessing. by pablogsal · Pull Request #9959 · python/cpython

X Title: bpo-28053: Complete and fix custom reducers in multiprocessing. by pablogsal · Pull Request #9959 · python/cpython

Description: This PR tries to complete and fix the implementation of the custom reducer classes in multiprocessing. Important I have marked the PR as DO-NOT-MERGE because I have still several doubts about the previous implemented API, regarding the AbstractReducer base class and the methods that the user needs to implement and how the rest of the library interacts with multiprocessing.reducer. For example: I am not sure multiprocessing.reducer.dumps and multiprocessing.reducer.register are needed outside the ForklingPickler class and how that interacts with the ABC. I am not sure the AbstractReducer is implemented completely (there is no abstract methods marked). This PR is a draft implementation of the complete API, tests and documentation so we can discuss how to implement these correctly in a better way. https://bugs.python.org/issue28053

Open Graph Description: This PR tries to complete and fix the implementation of the custom reducer classes in multiprocessing. Important I have marked the PR as DO-NOT-MERGE because I have still several doubts about the p...

X Description: This PR tries to complete and fix the implementation of the custom reducer classes in multiprocessing. Important I have marked the PR as DO-NOT-MERGE because I have still several doubts about the p...

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da4f1be bpo-28053: Complete and fix custom reducers in multiprocessing. pablogsal Oct 18, 2018 https://github.com/python/cpython/pull/9959/commits/da4f1be7c877a931ea7e522715bdffb2f5f3cbb6
48e14a0 Simplify the interface and use convenience functions pablogsal Dec 9, 2018 https://github.com/python/cpython/pull/9959/commits/48e14a0547706f63e46dbe3ea28391ebcb8dac64
7f537c1 Fix some typos and add new test for custom reducers pablogsal Mar 16, 2019 https://github.com/python/cpython/pull/9959/commits/7f537c19bcf17c2711665bccfabab8a40dd4821d
890f9ad Implement per-context reducers pablogsal Mar 17, 2019 https://github.com/python/cpython/pull/9959/commits/890f9ad74e681fce210fc6c01ce85f3a3fd90607
ed8ff52 Implement tests for custom contexts pablogsal Mar 23, 2019 https://github.com/python/cpython/pull/9959/commits/ed8ff52600a469cfbc48b03e897a7038c4c259e7
8b52a54 Make reducer default to None at class level pablogsal Mar 23, 2019 https://github.com/python/cpython/pull/9959/commits/8b52a548e321485dfb3a17c7a6faae99d244e1f4
49a5804 Fix doc reference pablogsal Mar 23, 2019 https://github.com/python/cpython/pull/9959/commits/49a5804111843aded9803a4e9762bbaa5baea94b
ac779f9 Add docstrings to the test classes pablogsal Mar 23, 2019 https://github.com/python/cpython/pull/9959/commits/ac779f91866059af6a90cbdfb58ed1c9bb76b964
8a18400 Add context to Process classes && revert back to use get_pickler_class pablogsal Mar 23, 2019 https://github.com/python/cpython/pull/9959/commits/8a184007e09fe5f9519cd44186c76cff19138300
7db88ac Adress feedback and add custom context for Listener/Clients pablogsal May 27, 2019 https://github.com/python/cpython/pull/9959/commits/7db88acfa9e684eb12a77fa946b126f822a59eeb
f20e142 Provide and document a base class (AbstractPickler) for custom picklers pablogsal May 27, 2019 https://github.com/python/cpython/pull/9959/commits/f20e142586be9f96288cecb0b00da78cc4fa1c81
210b1dc Try to simplify tests pablogsal May 27, 2019 https://github.com/python/cpython/pull/9959/commits/210b1dc864c0865d92f94b6889b44390d5fb4e02
5a7132f Try to pass down the context manually to Process· pablogsal May 28, 2019 https://github.com/python/cpython/pull/9959/commits/5a7132f2c47ad51780eea67c460459cb2c8107dc
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https://github.com/python/cpython/pull/9959/files#diff-2c54a007d7fe1d9ac5ca008fe2d054394c39a4f521eea2cb580101a284d7b7ec
https://github.com/python/cpython/pull/9959/files#diff-2c54a007d7fe1d9ac5ca008fe2d054394c39a4f521eea2cb580101a284d7b7ec
https://github.com/python/cpython/pull/9959/files#diff-2c54a007d7fe1d9ac5ca008fe2d054394c39a4f521eea2cb580101a284d7b7ec
https://github.com/python/cpython/pull/9959/files#diff-2c54a007d7fe1d9ac5ca008fe2d054394c39a4f521eea2cb580101a284d7b7ec
https://github.com/python/cpython/pull/9959/files#diff-2c54a007d7fe1d9ac5ca008fe2d054394c39a4f521eea2cb580101a284d7b7ec
https://github.com/python/cpython/pull/9959/files#diff-2c54a007d7fe1d9ac5ca008fe2d054394c39a4f521eea2cb580101a284d7b7ec
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