fix #638 updates for SQLAlchemy 2

.readthedocs.yml

@@ -4,7 +4,7 @@ version: 2
 build:
   os: ubuntu-22.04
   tools:
-    python: "3.9"
+    python: "3.13"
   jobs:
     pre_build:
      - curl https://radia.run | bash -s readthedocs

pykern/sql_db.py

@@ -298,8 +298,8 @@ def select_one_or_none(self, table_or_stmt, where=None):
     def __conn(self):
         if self._conn is None:
             self._conn = self.meta._engine.connect()
-            self._conn.execute("PRAGMA foreign_keys = ON;")
             self._txn = self._conn.begin()
+            self._conn.execute(sqlalchemy.text("PRAGMA foreign_keys = ON;"))
         return self._conn
 
     def __execute_table_or_stmt(self, method, table_or_stmt, where):
@@ -374,7 +374,7 @@ def fixup_post_insert(self, db, values, inserted_primary_key):
         """
         # we do not handle multi column inserted_primary_keys
         if self.has_primary_id and inserted_primary_key is not None:
-            values[self.primary_id] = inserted_primary_key[self.primary_id]
+            values[self.primary_id] = inserted_primary_key._mapping[self.primary_id]
         return values
 
     def fixup_pre_insert(self, session, values):

pyproject.toml

@@ -42,7 +42,7 @@ dependencies = [
     "setuptools>=66",
     "six>=1.9",
     "Sphinx>=1.3.5",
-    "SQLAlchemy>=1.4,<2",
+    "SQLAlchemy",
     "toml>=0.10",
     "tornado",
     "urllib3",