Deprecation and removals (#1240)

methane · web-flow · commit c963edbf53ac · 2026-05-18T18:34:26.000+09:00
- Deprecate `db` and `passwd` again
- Remove deprecated error classes in Cursor class attributes.
diff --git a/pymysql/connections.py b/pymysql/connections.py
@@ -217,16 +217,12 @@ def __init__(
         db=None,  # deprecated
     ):
         if db is not None and database is None:
-            # We will raise warning in 2022 or later.
-            # See https://github.com/PyMySQL/PyMySQL/issues/939
-            # warnings.warn("'db' is deprecated, use 'database'", DeprecationWarning, 3)
+            warnings.warn("'db' is deprecated, use 'database'", DeprecationWarning, 3)
             database = db
         if passwd is not None and not password:
-            # We will raise warning in 2022 or later.
-            # See https://github.com/PyMySQL/PyMySQL/issues/939
-            # warnings.warn(
-            #    "'passwd' is deprecated, use 'password'", DeprecationWarning, 3
-            # )
+            warnings.warn(
+                "'passwd' is deprecated, use 'password'", DeprecationWarning, 3
+            )
             password = passwd
 
         if compress or named_pipe:
diff --git a/pymysql/cursors.py b/pymysql/cursors.py
@@ -1,5 +1,4 @@
 import re
-import warnings
 from . import err
 
 
@@ -362,30 +361,6 @@ def __next__(self):
             raise StopIteration
         return row
 
-    def __getattr__(self, name):
-        # DB-API 2.0 optional extension says these errors can be accessed
-        # via Connection object. But MySQLdb had defined them on Cursor object.
-        if name in (
-            "Warning",
-            "Error",
-            "InterfaceError",
-            "DatabaseError",
-            "DataError",
-            "OperationalError",
-            "IntegrityError",
-            "InternalError",
-            "ProgrammingError",
-            "NotSupportedError",
-        ):
-            # Deprecated since v1.1
-            warnings.warn(
-                "PyMySQL errors hould be accessed from `pymysql` package",
-                DeprecationWarning,
-                stacklevel=2,
-            )
-            return getattr(err, name)
-        raise AttributeError(name)
-
 
 class DictCursorMixin:
     # You can override this to use OrderedDict or other dict-like types.
