def subdir_findall(dir, subdir):
strip_n = len(dir.split('<STR_LIT:/>'))<EOL>path = '<STR_LIT:/>'.join((dir, subdir))<EOL>return ['<STR_LIT:/>'.join(s.split('<STR_LIT:/>')[strip_n:]) for s in setuptools.findall(path)]<EOL>
Find all files in a subdirectory and return paths relative to dir

This is similar to (and uses) setuptools.findall
However, the paths returned are in the form needed for package_data