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SF patch 103596 by Nick Mathewson: rause UnboundLocalError for 

uninitialized free variables
This commit is contained in:
Jeremy Hylton 2001-02-05 17:23:16 +00:00
parent ecdaadb7c6
commit 2524d699f5
1 changed files with 16 additions and 0 deletions
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16
Python/ceval.c
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@ -1646,6 +1646,22 @@ eval_code2(PyCodeObject *co, PyObject *globals, PyObject *locals,
case LOAD_DEREF:
x = freevars[oparg];
w = PyCell_Get(x);
if (w == NULL) {
if (oparg < f->f_ncells)
v = PyTuple_GetItem(co->co_cellvars,
oparg);
else
v = PyTuple_GetItem(
co->co_freevars,
oparg - f->f_ncells);
format_exc_check_arg(
PyExc_UnboundLocalError,
UNBOUNDLOCAL_ERROR_MSG,
v);
err = -1;
break;
}
Py_INCREF(w);
PUSH(w);
break;