Make sitecustomize.py respect the PDM_PROJECT_MAX_DEPTH environment variable. Resolves #1413.

[xulongwu4]

Pull Request Check List

• A news fragment is added in news/ describing what is new.
• Test cases added for changed code.

Describe what you have changed in this PR.

Make sitecustomize.py respect the PDM_PROJECT_MAX_DEPTH environment variable

[codecov-commenter]

Codecov Report

Base: 85.17% // Head: 85.13% // Decreases project coverage by -0.03% ⚠️

Coverage data is based on head (dbdc376) compared to base (b32030d).
Patch has no changes to coverable lines.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1480      +/-   ##
==========================================
- Coverage   85.17%   85.13%   -0.04%     
==========================================
  Files          88       88              
  Lines        7857     7857              
  Branches     1861     1861              
==========================================
- Hits         6692     6689       -3     
- Misses        778      779       +1     
- Partials      387      389       +2     

Flag	Coverage Δ
unittests	84.94% <ø> (-0.04%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
src/pdm/models/repositories.py	78.04% <0.00%> (-0.82%)	⬇️
src/pdm/termui.py	89.85% <0.00%> (-0.73%)	⬇️

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

☔ View full report at Codecov.
📢 Do you have feedback about the report comment? Let us know in this issue.