main commit

venv/lib/python3.12/site-packages/sqlalchemy/cyextension/util.pyx

@@ -1,33 +1,31 @@
-# cyextension/util.pyx
-# Copyright (C) 2005-2024 the SQLAlchemy authors and contributors
-# <see AUTHORS file>
-#
-# This module is part of SQLAlchemy and is released under
-# the MIT License: https://www.opensource.org/licenses/mit-license.php
 from collections.abc import Mapping
 
 from sqlalchemy import exc
 
 cdef tuple _Empty_Tuple = ()
 
-cdef inline bint _is_mapping_or_tuple(object value):
+cdef inline bint _mapping_or_tuple(object value):
     return isinstance(value, dict) or isinstance(value, tuple) or isinstance(value, Mapping)
 
-
-cdef inline bint _is_mapping(object value):
-    return isinstance(value, dict) or isinstance(value, Mapping)
-
+cdef inline bint _check_item(object params) except 0:
+    cdef object item
+    cdef bint ret = 1
+    if params:
+        item = params[0]
+        if not _mapping_or_tuple(item):
+            ret = 0
+            raise exc.ArgumentError(
+                "List argument must consist only of tuples or dictionaries"
+            )
+    return ret
 
 def _distill_params_20(object params):
     if params is None:
         return _Empty_Tuple
     elif isinstance(params, list) or isinstance(params, tuple):
-        if params and not _is_mapping(params[0]):
-            raise exc.ArgumentError(
-                "List argument must consist only of dictionaries"
-            )
+        _check_item(params)
         return params
-    elif _is_mapping(params):
+    elif isinstance(params, dict) or isinstance(params, Mapping):
         return [params]
     else:
         raise exc.ArgumentError("mapping or list expected for parameters")
@@ -37,12 +35,9 @@ def _distill_raw_params(object params):
     if params is None:
         return _Empty_Tuple
     elif isinstance(params, list):
-        if params and not _is_mapping_or_tuple(params[0]):
-            raise exc.ArgumentError(
-                "List argument must consist only of tuples or dictionaries"
-            )
+        _check_item(params)
         return params
-    elif _is_mapping_or_tuple(params):
+    elif _mapping_or_tuple(params):
         return [params]
     else:
         raise exc.ArgumentError("mapping or sequence expected for parameters")