pip install ubcpdk, fails

[Lukas Chrostowski]

Hi @joamatab,

I tried to install ubcpdk but it fails:

ERROR: Failed building wheel for gdstk

I have gdsfactory working, so perhaps this PDK has an extra dependancy that doesn't work?

thank you
Lukas

[Lukas Chrostowski]

I download the ubcpdk from GitHub rather than via pip. It also doesn't work, and I get additional errors:

• file not found: config.yml
• problems with CrossSection
• @gf.cell_with_child: No module named cell_with_child

[Joaquin Matres]

Hi Lukas,

are you on python3.12?

heitzmann/gdstk#213

[Joaquin Matres]

at the moment gdsfactory works on python3.10 and python3.11

did you also followed the instructions?

conda install -c conda-forge gdstk -y
pip install ubcpdk --upgrade

[Lukas Chrostowski]

I am using Python 3.10, on Mac OSX.
But I am not using conda. I do have gdstk already installed.
gdsfactory is running correctly and I can produce layouts.

lukasc@Lukass-Air gplugins % /opt/homebrew/bin/python3.10 
Python 3.10.13 (main, Aug 24 2023, 22:43:20) [Clang 14.0.0 (clang-1400.0.29.202)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import gdstk
>>> import gdsfactory

When I try to install ubcpdk, I get the following:

lukasc@Lukass-Air gplugins % /opt/homebrew/bin/python3.10 -m pip install ubcpdk

      #include <libqhull_r/qhull_ra.h>
               ^~~~~~~~~~~~~~~~~~~~~~~
      1 error generated.
      make[2]: *** [src/CMakeFiles/gdstk.dir/utils.cpp.o] Error 1
      make[1]: *** [src/CMakeFiles/gdstk.dir/all] Error 2
      make: *** [all] Error 2
      error: command '/opt/homebrew/bin/cmake' failed with exit code 2
      [end of output]
  
  note: This error originates from a subprocess, and is likely not a problem with pip.
  ERROR: Failed building wheel for gdstk
Failed to build gdstk
ERROR: Could not build wheels for gdstk, which is required to install pyproject.toml-based projects
lukasc@Lukass-Air gplugins % 

I don't get such an error with gdsfactory installation.

[Joaquin Matres]

you probably have a slightly older version of gdstk from the latest, see

i would recommend using conda

gdsfactory7 is built on top of gdstk

we are planning a major release of gdsfactory8 with klayout (no gdstk) early next year

[Joaquin Matres]

Hi Lukas,

can you try installing the ubcpdk again?

it should work now with older versions of gdstk