Stefan Krah <stefan-use...@bytereef.org> added the comment:
What happens is that if self._fill_cache() is called, cache_module='pep3147'
and cache={'pep3147'}. Then 'cache_module in cache' is true and the function
returns:
loader('pep3147', './pep3147/__init__.py')
Otherwise, find_module() returns None, control is handed back to
find_module_path() ...
loader = _PyObject_CallMethodId(importer, &PyId_find_module, "O", fullname)
... and then to find_module_path_list(), where the search continues:
for (i = 0; i < npath; i++) {
path = PyList_GetItem(search_path_list, i);
...
search_path_list = ['.', '', ... ], but now i==1, so the dot is disregarded
and '' is used as the path, leading to the dotless result.
I don't know the contract for importlib's find_module, but it seems to me
that either find_module should handle this case or we have an unwanted
interaction between C and Python code.
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue14080>
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