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check for assignment to __debug__ during AST generation

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Also, give assignment to None a better error message
This commit is contained in:
Benjamin Peterson 2008-11-08 18:38:54 +00:00
parent 942e4779b0
commit 2c98faada6
3 changed files with 11 additions and 17 deletions
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4
Python/ast.c
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@ -130,7 +130,9 @@ static int
forbidden_check(struct compiling *c, const node *n, const char *x)
{
if (!strcmp(x, "None"))
return ast_error(n, "assignment to None");
return ast_error(n, "cannot assign to None");
if (!strcmp(x, "__debug__"))
return ast_error(n, "cannot assign to __debug__");
if (Py_Py3kWarningFlag) {
if (!(strcmp(x, "True") && strcmp(x, "False")) &&
!ast_warn(c, n, "assignment to True or False is forbidden in 3.x"))