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packages -- for now, you'll have to deal with packages separately.)
See module py_compile for details of the actual byte-compilation.
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dir: the directory to byte-compile
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file as it is compiled into each byte-code file.
force: if True, force compilation, even if timestamps are up-to-date
quiet: full output with False or 0, errors only with 1,
no output with 2
legacy: if True, produce legacy pyc paths instead of PEP 3147 paths
optimize: int or list of optimization levels or -1 for level of
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workers: maximum number of parallel workers
invalidation_mode: how the up-to-dateness of the pyc will be checked
stripdir: part of path to left-strip from source file path
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quiet: full output with False or 0, errors only with 1,
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