[mypyc] fix name generation for modules with similar full names #18001
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JukkaL
approved these changes
Oct 21, 2024
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Fixes mypyc/mypyc#1071
Adds a test to cover this case
Building certain package layouts now succeeds instead of failing. The behavior for all package layouts not affected by the error is unchanged.
In
namegen.make_module_translation_map(names), if argumentnameshave"foo"and"foo.foo", all suffixes found for"foo"are also found for"foo.foo". This means that modulefoohas no unique suffixes, which currently causes anAssertionError.The fix forces a module to take the last, fullest suffix if none are unique. It is guaranteed that no other module will also take the same suffix because they either will have a unique suffix to take, or they will take the fullest suffix for their name which is always going to be different.
P.S. 'suffix' or 'prefix'?