stdlib(sqlite3): Raise ProgrammingError for missing named parameter (RustPython#6036)

Author: ever0de

Lib/test/test_sqlite3/test_dbapi.py

@@ -908,8 +908,6 @@ def __missing__(self, key):
         row = self.cu.fetchone()
         self.assertEqual(row[0], "foo")
 
-    # TODO: RUSTPYTHON
-    @unittest.expectedFailure
     def test_execute_dict_mapping_too_little_args(self):
         self.cu.execute("insert into test(name) values ('foo')")
         with self.assertRaises(sqlite.ProgrammingError):

stdlib/src/sqlite.rs

@@ -2725,7 +2725,15 @@ mod _sqlite {
                 let name = unsafe { name.add(1) };
                 let name = ptr_to_str(name, vm)?;
 
-                let val = dict.get_item(name, vm)?;
+                let val = match dict.get_item_opt(name, vm)? {
+                    Some(val) => val,
+                    None => {
+                        return Err(new_programming_error(
+                            vm,
+                            format!("You did not supply a value for binding parameter :{name}.",),
+                        ));
+                    }
+                };
 
                 self.bind_parameter(i, &val, vm)?;
             }