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Fix SF bug #1519018: 'as' is now validated properly in import statements

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This commit is contained in:
Neal Norwitz 2006-07-08 05:31:37 +00:00
parent b6b175229b
commit fb48afa708
3 changed files with 18 additions and 1 deletions
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13
Python/ast.c
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@ -2142,7 +2142,14 @@ alias_for_import_name(struct compiling *c, const node *n)
loop:
switch (TYPE(n)) {
case import_as_name:
str = (NCH(n) == 3) ? NEW_IDENTIFIER(CHILD(n, 2)) : NULL;
str = NULL;
if (NCH(n) == 3) {
if (strcmp(STR(CHILD(n, 1)), "as") != 0) {
ast_error(n, "must use 'as' in import");
return NULL;
}
str = NEW_IDENTIFIER(CHILD(n, 2));
}
return alias(NEW_IDENTIFIER(CHILD(n, 0)), str, c->c_arena);
case dotted_as_name:
if (NCH(n) == 1) {
@ -2151,6 +2158,10 @@ alias_for_import_name(struct compiling *c, const node *n)
}
else {
alias_ty a = alias_for_import_name(c, CHILD(n, 0));
if (strcmp(STR(CHILD(n, 1)), "as") != 0) {
ast_error(n, "must use 'as' in import");
return NULL;
}
assert(!a->asname);
a->asname = NEW_IDENTIFIER(CHILD(n, 2));
return a;