Fix nullable field access in custom templates with strict_nullable

[koxudaxi]

Fixes: #1907

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📥 Commits

Reviewing files that changed from the base of the PR and between e3a2cf5 and 4ff8c57.

📒 Files selected for processing (3)

• src/datamodel_code_generator/parser/jsonschema.py (4 hunks)
• src/datamodel_code_generator/parser/openapi.py (1 hunks)
• tests/parser/test_openapi.py (1 hunks)

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• Commit unit tests in branch fix-issue-1907-nullable-in-custom-template

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.34%. Comparing base (e3a2cf5) to head (4ff8c57).
⚠️ Report is 4 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2715   +/-   ##
=======================================
  Coverage   99.34%   99.34%           
=======================================
  Files          81       81           
  Lines       11534    11543    +9     
  Branches     1387     1387           
=======================================
+ Hits        11458    11467    +9     
  Misses         45       45           
  Partials       31       31           

Flag	Coverage Δ
unittests	99.34% <100.00%> (+<0.01%)	⬆️

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[codspeed-hq]

CodSpeed Performance Report

Merging #2715 will not alter performance

_{Comparing fix-issue-1907-nullable-in-custom-template (4ff8c57) with main (e3a2cf5)}

Summary

✅ 52 untouched
⏩ 10 skipped¹

Footnotes

1. 10 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩

[koxudaxi]

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