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-rw-r--r--Lib/sqlite3/__init__.py14
-rw-r--r--Lib/sqlite3/test/factory.py7
2 files changed, 18 insertions, 3 deletions
diff --git a/Lib/sqlite3/__init__.py b/Lib/sqlite3/__init__.py
index 6c91df2..f001c06 100644
--- a/Lib/sqlite3/__init__.py
+++ b/Lib/sqlite3/__init__.py
@@ -21,3 +21,17 @@
# 3. This notice may not be removed or altered from any source distribution.
from sqlite3.dbapi2 import *
+
+
+# bpo-42264: OptimizedUnicode was deprecated in Python 3.10. It's scheduled
+# for removal in Python 3.12.
+def __getattr__(name):
+ if name == "OptimizedUnicode":
+ import warnings
+ msg = ("""
+ OptimizedUnicode is deprecated and will be removed in Python 3.12.
+ Since Python 3.3 it has simply been an alias for 'str'.
+ """)
+ warnings.warn(msg, DeprecationWarning, stacklevel=2)
+ return str
+ raise AttributeError(f"module 'sqlite3' has no attribute '{name}'")
diff --git a/Lib/sqlite3/test/factory.py b/Lib/sqlite3/test/factory.py
index 95dd24b..d919973 100644
--- a/Lib/sqlite3/test/factory.py
+++ b/Lib/sqlite3/test/factory.py
@@ -254,9 +254,10 @@ class TextFactoryTests(unittest.TestCase):
self.assertTrue(row[0].endswith("reich"), "column must contain original data")
def CheckOptimizedUnicode(self):
- # In py3k, str objects are always returned when text_factory
- # is OptimizedUnicode
- self.con.text_factory = sqlite.OptimizedUnicode
+ # OptimizedUnicode is deprecated as of Python 3.10
+ with self.assertWarns(DeprecationWarning) as cm:
+ self.con.text_factory = sqlite.OptimizedUnicode
+ self.assertIn("factory.py", cm.filename)
austria = "Österreich"
germany = "Deutchland"
a_row = self.con.execute("select ?", (austria,)).fetchone()