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Issue #14605: Make explicit the entries on sys.path_hooks that used to

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be implicit.

Added a warning for when sys.path_hooks is found to be empty. Also
changed the meaning of None in sys.path_importer_cache to represent
trying sys.path_hooks again (an interpretation of previous semantics).
Also added a warning for when None was found.

The long-term goal is for None in sys.path_importer_cache to represent
the same as imp.NullImporter: no finder found for that sys.path entry.
This commit is contained in:
Brett Cannon 2012-04-25 20:54:04 -04:00
parent 8f79dd5d7c
commit e0d88a173c
9 changed files with 3075 additions and 3206 deletions
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2
Python/pythonrun.c
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@ -229,7 +229,7 @@ import_init(PyInterpreterState *interp, PyObject *sysmod)
Py_FatalError("Py_Initialize: can't save _imp to sys.modules");
}
value = PyObject_CallMethod(importlib, "_setup", "OO", sysmod, impmod);
value = PyObject_CallMethod(importlib, "_install", "OO", sysmod, impmod);
if (value == NULL) {
PyErr_Print();
Py_FatalError("Py_Initialize: importlib install failed");