Cooperative __init__ for Qt4 canvas. #9052
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| @functools.wraps(__init__) | ||
| def wrapper(self, **kwargs): | ||
| QtWidgets.QWidget.__init__ = cooperative_qwidget_init |
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This needs to be in a try..finally block.
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The initial monkey-patch should also be in the try block... ctrl-c can happen anywhere.
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Wow, I'm a bit ashamed I never thought about this point :-)
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I lean towards this as the better solution (I started writing a comment about how I was even between them and in the process convinced my self to prefer this one). This has the advantage of being cleaner and more localized but hard-codes the non-cooperative modules in. However, odds of another binding showing up are low and doing the sub-classing and replacing #9048 uses 'simpler' python, but it makes the class zoo one class bigger and has to use two differently named 'magic' cut-out function, and is spread across a couple of files. It makes the unlikely extension case easier (once you understand the code), but harder to understand to begin with. |
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try... finally added. |
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Appveyor failure is just a hang at the start of the conda-build on 3.6. |
Alternate for #9048 (basically pulling out the relevant parts of #8771, but using a local monkey-patch approach.
I personally find this approach clearer in intent ("PyQt4 does not support multiple inheritance so let's just locally patch it so that it does") than #9048.
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