Windows OCP/dll import issue

[dannyhuang1]

Resolution known, but not sure how to do a pull request for this. See attached file for complete terminal history.

To Reproduce

Fresh install of cq-editor from conda

(base) C:\Users\Danny>conda create --name cqdev
(base) C:\Users\Danny>conda activate cqdev
(cqdev) C:\Users\Danny>conda install -c cadquery cq-editor=master

Then run cq-editor

Backtrace

(cqdev) C:\Users\Danny>cq-editor
Traceback (most recent call last):
  File "D:\Miniconda\envs\cqdev\Scripts\CQ-editor-script.py", line 5, in <module>
    from cq_editor.__main__ import main
  File "D:\Miniconda\envs\cqdev\Lib\site-packages\cq_editor\__main__.py", line 12, in <module>
    from .main_window import MainWindow
  File "D:\Miniconda\envs\cqdev\Lib\site-packages\cq_editor\main_window.py", line 5, in <module>
    import cadquery as cq
  File "D:\Miniconda\envs\cqdev\Lib\site-packages\cadquery\__init__.py", line 10, in <module>
    from .occ_impl.geom import Plane, BoundBox, Vector, Matrix, Location
  File "D:\Miniconda\envs\cqdev\Lib\site-packages\cadquery\occ_impl\geom.py", line 5, in <module>
    from OCP.gp import (
ImportError: DLL load failed while importing OCP: The specified module could not be found.

Environment

Windows Version 22H2 (OS Build 22621.2283)
Conda 23.7.4

Resolution

(cqdev) C:\Users\Danny>conda update occt
...
The following packages will be UPDATED:

  occt                             7.7.1-novtk_hdfb195f_101 --> 7.7.1-all_h13609b4_201
...

cadquery.txt

[adam-urbanczyk]

occt ships in two versions now (with and without vtk). The assumption was that due the build number all version will be always preferred, but that does not always work. Probably the easiest solution is to specify the all version explicitly.

See CadQuery/OCP#123