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Jun 27, 2008, 1:35 PM
Post #2 of 8
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[issue3221] SystemError: Parent module 'foo' not loaded on import statement
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New submission from Ralf Schmitt <schmir[at]gmail.com>:
The following short program work in python 2.5, but does die with a
SystemError in python2.6:
~/ cat t.py
#! /usr/bin/env python
res = dict(__package__='foo')
exec "from os import path" in res
~/ python2.5 t.py
~/ python2.6 t.py
Traceback (most recent call last):
File "t.py", line 4, in <module>
exec "from os import path" in res
File "<string>", line 1, in <module>
SystemError: Parent module 'foo' not loaded
I think this has been introduced with svn revision 42649
(http://hgpy.de/py/trunk/rev/54c72e1678d68ebbf274)
Part of the diff reads:
modules = PyImport_GetModuleDict();
parent = PyDict_GetItemString(modules, buf);
if (parent == NULL)
- parent = Py_None;
+ PyErr_Format(PyExc_SystemError,
+ "Parent module '%.200s' not loaded", buf);
return parent;
/* We expect, but can't guarantee, if parent != None, that:
----------
messages: 68850
nosy: schmir
severity: normal
status: open
title: SystemError: Parent module 'foo' not loaded on import statement
type: behavior
versions: Python 2.6
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<http://bugs.python.org/issue3221>
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