main commit

venv/lib/python3.12/site-packages/sqlalchemy/engine/create.py

@@ -1,5 +1,5 @@
 # engine/create.py
-# Copyright (C) 2005-2025 the SQLAlchemy authors and contributors
+# Copyright (C) 2005-2023 the SQLAlchemy authors and contributors
 # <see AUTHORS file>
 #
 # This module is part of SQLAlchemy and is released under
@@ -82,11 +82,13 @@ def create_engine(
     query_cache_size: int = ...,
     use_insertmanyvalues: bool = ...,
     **kwargs: Any,
-) -> Engine: ...
+) -> Engine:
+    ...
 
 
 @overload
-def create_engine(url: Union[str, URL], **kwargs: Any) -> Engine: ...
+def create_engine(url: Union[str, URL], **kwargs: Any) -> Engine:
+    ...
 
 
 @util.deprecated_params(
@@ -133,11 +135,8 @@ def create_engine(url: Union[str, _url.URL], **kwargs: Any) -> Engine:
     and its underlying :class:`.Dialect` and :class:`_pool.Pool`
     constructs::
 
-        engine = create_engine(
-            "mysql+mysqldb://scott:tiger@hostname/dbname",
-            pool_recycle=3600,
-            echo=True,
-        )
+        engine = create_engine("mysql+mysqldb://scott:tiger@hostname/dbname",
+                                    pool_recycle=3600, echo=True)
 
     The string form of the URL is
     ``dialect[+driver]://user:password@host/dbname[?key=value..]``, where
@@ -468,9 +467,6 @@ def create_engine(url: Union[str, _url.URL], **kwargs: Any) -> Engine:
 
             :ref:`pool_reset_on_return`
 
-            :ref:`dbapi_autocommit_skip_rollback` - a more modern approach
-            to using connections with no transactional instructions
-
     :param pool_timeout=30: number of seconds to wait before giving
         up on getting a connection from the pool. This is only used
         with :class:`~sqlalchemy.pool.QueuePool`. This can be a float but is
@@ -527,18 +523,6 @@ def create_engine(url: Union[str, _url.URL], **kwargs: Any) -> Engine:
 
      .. versionadded:: 1.4
 
-    :param skip_autocommit_rollback: When True, the dialect will
-       unconditionally skip all calls to the DBAPI ``connection.rollback()``
-       method if the DBAPI connection is confirmed to be in "autocommit" mode.
-       The availability of this feature is dialect specific; if not available,
-       a ``NotImplementedError`` is raised by the dialect when rollback occurs.
-
-       .. seealso::
-
-            :ref:`dbapi_autocommit_skip_rollback`
-
-       .. versionadded:: 2.0.43
-
     :param use_insertmanyvalues: True by default, use the "insertmanyvalues"
      execution style for INSERT..RETURNING statements by default.
 
@@ -632,14 +616,6 @@ def create_engine(url: Union[str, _url.URL], **kwargs: Any) -> Engine:
     # assemble connection arguments
     (cargs_tup, cparams) = dialect.create_connect_args(u)
     cparams.update(pop_kwarg("connect_args", {}))
-
-    if "async_fallback" in cparams and util.asbool(cparams["async_fallback"]):
-        util.warn_deprecated(
-            "The async_fallback dialect argument is deprecated and will be "
-            "removed in SQLAlchemy 2.1.",
-            "2.0",
-        )
-
     cargs = list(cargs_tup)  # allow mutability
 
     # look for existing pool or create
@@ -681,17 +657,6 @@ def create_engine(url: Union[str, _url.URL], **kwargs: Any) -> Engine:
     else:
         pool._dialect = dialect
 
-    if (
-        hasattr(pool, "_is_asyncio")
-        and pool._is_asyncio is not dialect.is_async
-    ):
-        raise exc.ArgumentError(
-            f"Pool class {pool.__class__.__name__} cannot be "
-            f"used with {'non-' if not dialect.is_async else ''}"
-            "asyncio engine",
-            code="pcls",
-        )
-
     # create engine.
     if not pop_kwarg("future", True):
         raise exc.ArgumentError(
@@ -851,11 +816,13 @@ def create_pool_from_url(
     timeout: float = ...,
     use_lifo: bool = ...,
     **kwargs: Any,
-) -> Pool: ...
+) -> Pool:
+    ...
 
 
 @overload
-def create_pool_from_url(url: Union[str, URL], **kwargs: Any) -> Pool: ...
+def create_pool_from_url(url: Union[str, URL], **kwargs: Any) -> Pool:
+    ...
 
 
 def create_pool_from_url(url: Union[str, URL], **kwargs: Any) -> Pool: