Comments (3)
This has to do with the lax model used by PyPI packages to distribute the MSVC C++ standard library: packages that require it are recommended to do so, but there's a problem: the first msvcp140.dll
that happens to get loaded stays. So it should be possible to get import-order-dependent problems. (Conda should not have problems like this, at least in theory.)
Because we use GitHub actions to build pymmcore, it's probably built against the latest C++ runtime. If PyQt5 is shipping an older one, then in theory it could be incompatible (though in practice I'm a little surprised, since we should not be using anything that depends on the latest C++ features).
We do not currently ship the C++ runtime with pymmcore. My thinking here was that anybody running pymmcore on Windows has run the Micro-Manager installer, which has installed (some version of) it on the system. But perhaps we need to think about this again. Alternatively we can try and see if we can build pymmcore against a slightly older MSVC (such as 2019), so that the chances of encountering an older runtime is very low.
Of course, this is theoretical -- I suppose it's possible that some other cause is at play here.
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ah very useful. So do you think the only thing that might have changed between 11.1.1.71.1
and 11.1.1.71.0
is just the actions runner image?
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just the actions runner image?
Yes, and VS2022's C++ had a "minor version increment" between our two last releases, although I have no idea if that was the exact reason.
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Related Issues (20)
- Failure to load Raptor EPIX device HOT 11
- loading NikonTi2 dll HOT 2
- accept type stubs? HOT 3
- abort crash in pymmcore.Configuration.getSetting on missing key HOT 1
- callback system crashing kernel with subclassed `MMEventCallback` HOT 7
- export `__version__` in `__init__`
- Unable to Use Pymmcore in Windows 10 64 bit, Anaconda 32 bit HOT 14
- How to control c++ std locally? HOT 1
- 'CMMCore' object has no attribute 'getXYStagePosition' HOT 1
- Failing control of MCL_MicroDrive device HOT 2
- Error loading device adapter with pymmcore but not micromanager HOT 2
- Issue with error handling in `setSLMImage` HOT 3
- getMultiROI appears broken in pymmcore swig HOT 2
- Handling assertion errors in MMCore HOT 9
- `threads="1"` breaks `mmc.setSLMImage` HOT 22
- Hard crash with `waitForConfig()` timeout HOT 3
- Switch to src-layout HOT 1
- Heads up on incompatibility with upcoming numpy 2.0 release
- Unable to connect NikonTi microscope (Windows fatal exception: access violation) HOT 7
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