Experimental Physics and Industrial Control System
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Hi Matt,
I was trying to craft a simple PyQt demo to reproduce the issue, but
failed, since the craft demo just worked, any may not reflect the real
issue, the real application is too complicated to present here. The
reason we cannot simply work around this issue by using Python 3.6 or
newer is that the Stretch OS (which is current deployed in our controls
network) only provides the version of 3.5.3, and it is not easy to
deploy a newer one. So looking forward the new release of pyepics. Thanks!
Tong
On 4/12/19 2:49 PM, Matt Newville wrote:
Hi Tong,
On Fri, Apr 12, 2019 at 12:23 PM Tong Zhang <[email protected]
<mailto:[email protected]>> wrote:
Hi Matt,
Just tried this PR (https://github.com/pyepics/pyepics/pull/150), it
solved my issue (probably threading race condition), thank Daron for
the
help!
It would be helpful to know what the issue you had actually was. If we
understood what the issue was, we might be able to make sure that was
tested so it could not happen in the future. At this point, I do not
have the slightest idea what the issue is. You have not provided any
example code, even when explicitly asked to do so. You say it is
related to a GUI toolkit, but have not even said which toolkit that is.
The PR you point to maes many changes. You say the problem is "probably
thread race condition" and maybe that is correct, but did not give
evidence supporting this claim. You also say it is specific to Python
3.5. Maybe that alleged race condition is actually a problem with some
other library?
Again, please provide an example that shows the problem you are having.
--Matt
- Replies:
- Re: Callback error from pyepics and python with GUI development Jemian, Pete R. via Tech-talk
- Re: Callback error from pyepics and python with GUI development Matt Newville via Tech-talk
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ANJ, 12 Apr 2019 |
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