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pytest discovery: cache class line numbers to avoid redundant AST parsing - #26242
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Abhinav Maurya (Fire162) wants to merge 1 commit into
Open
Abhinav Maurya (Fire162) wants to merge 1 commit into
Abhinav Maurya (Fire162) wants to merge 1 commit into
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On Python < 3.13, create_class_node repeatedly calls inspect.getsourcelines(), which reparses the entire file AST on every test class.
This reads firstlineno where available and caches parsed class line numbers per file on older Python versions.
Fixes #26240