[PyQt] Pyqtdeploy - build pyqt app on Windows

Grzegorz Bokota g.bokota at mimuw.edu.pl
Thu Aug 22 11:17:17 BST 2019


This is bug in __init__ of PyQt5 for windows in function find_qt. You need
to add second copy of this library in specific path.

Grzegorz Bokota


czw., 22 sie 2019 o 11:56 Mạnh Tú Vũ <glmanhtu at gmail.com> napisał(a):

> Hi Phil,
>
> I have already built qt-everywhere with pyqtdeploy-sysroot and I can see
> those .lib files in my sysroot-win-32/qt/lib. Is that not enough or I have
> to build something else?
>
>
>
> On 22 Aug 2019, at 10:28, Phil Thompson <phil at riverbankcomputing.com>
> wrote:
>
> On 22/08/2019 10:04, Mạnh Tú Vũ wrote:
>
> Hello,
> I'm trying to build my PyQt application on Windows and I'm not sure that I
> understand the way it works. I have built my application into a .exe binary
> file but when I was trying to run, it threw an exception of:
> C:\boatswain\boatswain\build-win-32>release\Boatswain.exe
>
> Log file:
>
> C:\Users\manhtu\AppData\Local\theboatswain\boatswain\Logs\boatswain.log
>
> Traceback (most recent call last):
> File "bootstrap.py", line 983, in _find_and_load
> File "bootstrap.py", line 967, in _find_and_load_unlocked
> File "bootstrap.py", line 668, in _load_unlocked
> File "bootstrap.py", line 638, in _load_backward_compatible
> File ":/boatswain/__init__.py", line 1, in <module>
> File "bootstrap.py", line 983, in _find_and_load
> File "bootstrap.py", line 967, in _find_and_load_unlocked
> File "bootstrap.py", line 668, in _load_unlocked
> File "bootstrap.py", line 638, in _load_backward_compatible
> File ":/boatswain/main.py", line 22, in <module>
> File "bootstrap.py", line 983, in _find_and_load
> File "bootstrap.py", line 953, in _find_and_load_unlocked
> File "bootstrap.py", line 219, in _call_with_frames_removed
> File "bootstrap.py", line 983, in _find_and_load
> File "bootstrap.py", line 967, in _find_and_load_unlocked
> File "bootstrap.py", line 668, in _load_unlocked
> File "bootstrap.py", line 638, in _load_backward_compatible
> File ":/PyQt5/__init__.py", line 41, in <module>
> File ":/PyQt5/__init__.py", line 33, in find_qt
> ImportError:
> unable to find Qt5Core.dll on PATH
>
> I suspect, the Qt application was trying to find Qt5Core.dll library,
> however, I see in the Makefile.Release, we had already
> included  sysroot-win-32\qt\lib\Qt5Core.lib into the application. So, why
> do we need the .dll library again?
>
> LIBS          = /LIBPATH:C:\boatswain\boatswain\sysroot-win-32\lib
> /LIBPATH:C:\boatswain\boatswain\sysroot-win-32\l...
> C:\boatswain\boatswain\sysroot-win-32\qt\lib\Qt5Core.lib
> ...
>
> I have tried to run the app using Qt command line and see it worked.
> Because the required libraries are already included in the PATH env. So,
> does it mean that I have to distribute the .dll libraries with my
> application as well?
>
>
> If you haven't built a static version of the Qt libraries then yes.
>
> Phil
>
>
> _______________________________________________
> PyQt mailing list    PyQt at riverbankcomputing.com
> https://www.riverbankcomputing.com/mailman/listinfo/pyqt
>
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