[PyQt] Pyqtdeploy - build pyqt app on Windows

[Phil Thompson]

On 22/08/2019 10:54, Mạnh Tú Vũ wrote:
> 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?

Are you using PyQt v5.13? Support for that hasn't been added to 
pyqtdeploy yet.

Phil

>> 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