[issue39769] compileall.compile_dir(..., ddir="<prefix>") omits the intermediate package paths when prepending the prefix

[Gregory P. Smith]

Gregory P. Smith <greg at krypto.org> added the comment:

belated postmortem: if there had been tests against the filename encoded in the pycs living in subdirs as generated by compile_dir, this regression would not have happened.

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue39769>
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