gh-93044: No longer convert the database argument of sqlite3.connect() to bytes (GH-93046)

Just pass it to the factory as is.

Author: serhiy-storchaka

Lib/test/test_sqlite3/test_dbapi.py

@@ -676,6 +676,19 @@ def test_open_uri(self):
             with managed_connect(f"file:{TESTFN}?mode=ro", uri=True) as cx:
                 cx.execute(self._sql)
 
+    def test_factory_database_arg(self):
+        def factory(database, *args, **kwargs):
+            nonlocal database_arg
+            database_arg = database
+            return sqlite.Connection(":memory:", *args, **kwargs)
+
+        for database in (TESTFN, os.fsencode(TESTFN),
+                         FakePath(TESTFN), FakePath(os.fsencode(TESTFN))):
+            database_arg = None
+            with sqlite.connect(database, factory=factory):
+                pass
+            self.assertEqual(database_arg, database)
+
     def test_database_keyword(self):
         with sqlite.connect(database=":memory:") as cx:
             self.assertEqual(type(cx), sqlite.Connection)

Misc/NEWS.d/next/Library/2022-05-21-13-16-16.gh-issue-93044.eJ_XkZ.rst

@@ -0,0 +1,2 @@
+No longer convert the database argument of :func:`sqlite3.connect` to bytes
+before passing it to the factory.

Modules/_sqlite/clinic/module.c.h

@@ -46,7 +46,7 @@ module _sqlite3
 /*[clinic input]
 _sqlite3.connect as pysqlite_connect
 
-    database: object(converter='PyUnicode_FSConverter')
+    database: object
     timeout: double = 5.0
     detect_types: int = 0
     isolation_level: object = NULL
@@ -66,7 +66,7 @@ pysqlite_connect_impl(PyObject *module, PyObject *database, double timeout,
                       int detect_types, PyObject *isolation_level,
                       int check_same_thread, PyObject *factory,
                       int cached_statements, int uri)
-/*[clinic end generated code: output=450ac9078b4868bb input=ea6355ba55a78e12]*/
+/*[clinic end generated code: output=450ac9078b4868bb input=e16914663ddf93ce]*/
 {
     if (isolation_level == NULL) {
         isolation_level = PyUnicode_FromString("");
@@ -81,7 +81,6 @@ pysqlite_connect_impl(PyObject *module, PyObject *database, double timeout,
                                           timeout, detect_types,
                                           isolation_level, check_same_thread,
                                           factory, cached_statements, uri);
-    Py_DECREF(database);  // needed bco. the AC FSConverter
     Py_DECREF(isolation_level);
     return res;
 }