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bpo-17792: more accurate error message for unbound variable access exceptions (GH-24976)

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Irit Katriel 2021-06-02 14:09:04 +01:00 committed by GitHub
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2 changed files with 4 additions and 3 deletions
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Misc/NEWS.d/next/Core and Builtins/2021-03-22-17-50-30.bpo-17792._zssjS.rst Normal file
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@ -0,0 +1 @@
More accurate error messages for access of unbound locals or free vars.

6
Python/ceval.c
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@ -101,10 +101,10 @@ static int get_exception_handler(PyCodeObject *, int, int*, int*, int*);
#define NAME_ERROR_MSG \
"name '%.200s' is not defined"
#define UNBOUNDLOCAL_ERROR_MSG \
"local variable '%.200s' referenced before assignment"
"cannot access local variable '%s' where it is not associated with a value"
#define UNBOUNDFREE_ERROR_MSG \
"free variable '%.200s' referenced before assignment" \
" in enclosing scope"
"cannot access free variable '%s' where it is not associated with a" \
" value in enclosing scope"
/* Dynamic execution profile */
#ifdef DYNAMIC_EXECUTION_PROFILE