If a variable is referenced in an enclosing scope, it is illegal to delete the
name. An error will be reported at compile time.
-If the wild card form of import --- ``import *`` --- is used in a function and
-the function contains or is a nested block with free variables, the compiler
-will raise a :exc:`SyntaxError`.
-
.. XXX from * also invalid with relative imports (at least currently)
The :func:`eval` and :func:`exec` functions do not have access to the full
return 1;
}
-/* Check for illegal statements in unoptimized namespaces */
-static int
-check_unoptimized(const PySTEntryObject* ste) {
- const char* trailer;
-
- if (ste->ste_type != FunctionBlock || !ste->ste_unoptimized
- || !(ste->ste_free || ste->ste_child_free))
- return 1;
-
- trailer = (ste->ste_child_free ?
- "contains a nested function with free variables" :
- "is a nested function");
-
- switch (ste->ste_unoptimized) {
- case OPT_TOPLEVEL: /* import * at top-level is fine */
- return 1;
- case OPT_IMPORT_STAR:
- PyErr_Format(PyExc_SyntaxError,
- "import * is not allowed in function '%U' because it %s",
- ste->ste_name, trailer);
- break;
- }
-
- PyErr_SyntaxLocationObject(ste->ste_table->st_filename,
- ste->ste_opt_lineno,
- ste->ste_opt_col_offset);
- return 0;
-}
-
/* Enter the final scope information into the ste_symbols dict.
*
* All arguments are dicts. Modifies symbols, others are read-only.
if (!update_symbols(ste->ste_symbols, scopes, bound, newfree,
ste->ste_type == ClassBlock))
goto error;
- if (!check_unoptimized(ste))
- goto error;
temp = PyNumber_InPlaceOr(free, newfree);
if (!temp)