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Added IsNone() and GetPyNone() #1137

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Merged
filmor merged 4 commits into from
May 11, 2020
Merged

Added IsNone() and GetPyNone() #1137

filmor merged 4 commits into from
May 11, 2020

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@henon
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@henon henon commented May 10, 2020 •
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What does this implement/fix? Explain your changes.

IsNone() and GetPyNone() were needed for Numpy.NET to be able to find out if a PyObject is none.

Does this close any currently open issues?

No.

Any other comments?

These are in use for a long time now, I just now figured out how to PR them. I'll commit the necessary things from the checklist below.

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
  • Add yourself to AUTHORS
  • Updated the CHANGELOG

@dnfclas
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dnfclas commented May 10, 2020 •
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All CLA requirements met.

@henon
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henon commented May 10, 2020

I have no idea how to add a test and the change is so small that it doesn't really need documentation.

@filmor
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filmor commented May 10, 2020

I completely get the IsNone, but what do you need the GetPyNone for? It's a bit arbitrary here, isn't it?

@lostmsu
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lostmsu commented May 10, 2020

@filmor re:GetPyNone it is actually useful. I have it in my branch too. That's the easiest way to pass None.

Though as a static property (and I don't see why it should not be a property).

lostmsu
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@henon
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henon commented May 10, 2020

You might wanna squash this PR into a single commit.

lostmsu
lostmsu approved these changes May 10, 2020
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Looks good! Thank you!

@filmor filmor merged commit 960286d into pythonnet:master May 11, 2020
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filmor commented May 11, 2020

Thank you :)

@filmor filmor mentioned this pull request Jun 9, 2020
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AlexCatarino pushed a commit to QuantConnect/pythonnet that referenced this pull request Jun 29, 2020
@henon @AlexCatarino
Add IsNone() and Runtime.None (pythonnet#1137)
41a413f 
* Add `PyObject.IsNone()`
* Add `Runtime.None` which returns a reference to `None` as a `PyObject` to be able to pass it into Python from .NET
@henon henon deleted the net_framework branch July 31, 2020 14:48
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@henon @dnfclas @filmor @lostmsu