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Title: Enable user classes to override how Python.NET processes parameters of their functions by lostmsu · Pull Request #835 · pythonnet/pythonnet · GitHub

Open Graph Title: Enable user classes to override how Python.NET processes parameters of their functions by lostmsu · Pull Request #835 · pythonnet/pythonnet

X Title: Enable user classes to override how Python.NET processes parameters of their functions by lostmsu · Pull Request #835 · pythonnet/pythonnet

Description: What does this implement/fix? Explain your changes. This change introduces IPyArgumentConverter, that enables hooking into the process of converting Python argument values into CLR types when invoking .NET functions from Python. See an example on the new wiki page. If a user class needs custom conversion for the parameters of its functions, it can specify the desired implementation of IPyArgumentConverter using PyArgConverter attribute either on the class/struct, or for the entire assembly. Does this close any currently open issues? This implements #823 Any other comments? This is but one option on how to achieve #823 . I am concerned, that it does not let users specify the converter per instance, and does not allow specifying converter for 3rd-party classes. This change has an additional performance overhead on the first Bind call on each instance of MethodBinder due to the need to look the attribute up. Checklist Check all those that are applicable and complete. Make sure to include one or more tests for your change If an enhancement PR, please create docs and at best an example (see an example) Add yourself to AUTHORS Updated the CHANGELOG

Open Graph Description: What does this implement/fix? Explain your changes. This change introduces IPyArgumentConverter, that enables hooking into the process of converting Python argument values into CLR types when invok...

X Description: What does this implement/fix? Explain your changes. This change introduces IPyArgumentConverter, that enables hooking into the process of converting Python argument values into CLR types when invok...

Opengraph URL: https://github.com/pythonnet/pythonnet/pull/835

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c355bd6 introduced IPyArgumentConverter interface, that controls marshaling o… lostmsu Mar 28, 2019 https://github.com/pythonnet/pythonnet/pull/835/commits/c355bd6995487eb5d0c993821f97a02207290a4c
b5cae6c enabled an ability to override Python to .NET argument coversion usin… lostmsu Mar 28, 2019 https://github.com/pythonnet/pythonnet/pull/835/commits/b5cae6cd361d2357474527761103b25222140744
bea9e0d mentioned PyArgConverter in the CHANGELOG.md lostmsu Mar 28, 2019 https://github.com/pythonnet/pythonnet/pull/835/commits/bea9e0dfba3b80b6520f7457d73d67ba6d6d0624
11a3ee6 fixed pyargconverter.cs not included into the older project file lostmsu Mar 29, 2019 https://github.com/pythonnet/pythonnet/pull/835/commits/11a3ee636581ad29bd99d775a784585d568bf0a9
9c81661 moved default arg converter to its own file; cached converter lookup lostmsu Apr 14, 2019 https://github.com/pythonnet/pythonnet/pull/835/commits/9c81661fce5d33a587b7e2c94cdfa6bfdd87ad03
b6421e9 fixed defaultpyargconverter.cs not included in the older project file lostmsu Apr 17, 2019 https://github.com/pythonnet/pythonnet/pull/835/commits/b6421e92c6539ed9d96b44bf31bcbab325612ca8
6cd7bd4 when looking for a custom argument converter look at base types too lostmsu Jun 13, 2019 https://github.com/pythonnet/pythonnet/pull/835/commits/6cd7bd449fa1f052ccd1553a3d7ef6bcd885d527
56ca4c9 a test to ensure it is possible to override argument conversion for i… lostmsu Jun 13, 2019 https://github.com/pythonnet/pythonnet/pull/835/commits/56ca4c995a0018ca48123bebfe4485b144a6f9de
7f894fa fixed MarshallerOverride test lostmsu Jun 20, 2019 https://github.com/pythonnet/pythonnet/pull/835/commits/7f894fad582f7f272ba9c81024c3f22926605464
aaafea8 fixed crash in MethodBinder.Bind when MethodInfo to invoke is passed … lostmsu Aug 22, 2019 https://github.com/pythonnet/pythonnet/pull/835/commits/aaafea82a0af6107a009544ec91c69eeec14bdf1
3804438 Merge branch 'master' into PR/PyArgConverter lostmsu Feb 21, 2020 https://github.com/pythonnet/pythonnet/pull/835/commits/3804438a443299fd6e8f59023208542fa7fa26bd
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