Delete with_cursor decorator

reason being it's currently impossible to return a correct
type with mypy python/typing#193

examples/basic.py

@@ -16,10 +16,10 @@ def __init__(self) -> None:
         # we can use any connection string here
         super().__init__("sqlite://:memory:", path.join(path.dirname(__file__), "migrations"))
 
-    @BaseDb.with_cursor
     def select_all_basic(self, cursor: Cursor) -> List[Basic]:
-        cursor.execute("SELECT * FROM basic")
-        return [Basic(*x) for x in cursor.fetchall()]
+        with self.get_cursor() as cursor:
+            cursor.execute("SELECT * FROM basic")
+            return [Basic(*x) for x in cursor.fetchall()]
 
     def select_basic_by_id(self, basic_id: int) -> Optional[Basic]:
         with self.get_cursor() as cursor:
@@ -37,13 +37,14 @@ def insert_basic(self, basic: Basic) -> None:
                 basic.name,
             ))
 
-    @BaseDb.with_cursor
     def update_basic(self, basic: Basic, cursor: Cursor) -> None:
-        cursor.execute("UPDATE basic SET name = ? WHERE id = ?", (
-            basic.name,
-            basic.id,
-        ))
+        with self.get_cursor() as cursor:
+            cursor.execute("UPDATE basic SET name = ? WHERE id = ?", (
+                basic.name,
+                basic.id,
+            ))
 
-    @BaseDb.with_cursor
     def delete_basic_by_id(self, basic_id: int, cursor: Connection) -> None:
-        cursor.execute("DELETE FROM basic WHERE id = ?", (basic_id,))
+        with self.get_cursor() as cursor:
+            cursor.execute("DELETE FROM basic WHERE id = ?", (basic_id,))
+

msql/database.py

@@ -40,18 +40,6 @@ def migrate(self) -> None:
     def connection(self) -> Connection:
         return connection(self.conn_str)
 
-    @staticmethod
-    def with_cursor(f: Callable) -> Callable:
-
-        @wraps(f)
-        def wrapper(*args: Tuple) -> None:
-            db = cast(Database, args[0])
-            with db.connection() as conn:
-                f(cursor=conn.cursor())
-                if db.auto_commit:
-                    conn.commit()
-
-        return wrapper
-
     def get_cursor(self) -> _ContextHelper:
         return _ContextHelper(self)
+