Migrating to psycopg3

requirements-server.txt

 django
 djangorestframework
-psycopg2
+psycopg
 setuptools
 pymemcache
 

requirements-swh-server.txt

-swh.core[http] >= 0.4
+swh.core[http] >= 4.0.0
 swh.loader.core >= 0.0.71
-swh.scheduler >= 2.3.0
+swh.scheduler >= 3.0.0
 swh.model >= 6.13.0
 swh.auth[django] >= 0.5.3
-swh.storage >= 0.28.0
+swh.storage >= 3.0.0

requirements-swh.txt

 # These dependencies will be installed by deposit clients.
 # Server dependencies go to requirements-swh-server.txt instead.
 
-swh.core[http] >= 3.0.0
+swh.core[http] >= 4.0.0
 swh.model >= 6.13.0

requirements-test.txt

 pytest
 pytest-django
 pytest-mock
-swh.scheduler[testing] >= 2.3.0
-swh.loader.core[testing]
+swh.scheduler[testing] >= 3.0.0
+swh.loader.core[testing] >= 4.0.0
 pytest-postgresql >= 5
 requests_mock
 django-stubs

swh/deposit/tests/conftest.py

@@ -15,8 +15,7 @@ from xml.etree import ElementTree
 
 from django.test.utils import setup_databases
 from django.urls import reverse_lazy as reverse
-import psycopg2
-from psycopg2.extensions import ISOLATION_LEVEL_AUTOCOMMIT
+import psycopg
 import pytest
 from rest_framework import status
 from rest_framework.test import APIClient
@@ -223,10 +222,9 @@ def django_db_setup(request, django_db_blocker, postgresql_proc):
 
 def execute_sql(sql):
     """Execute sql to postgres db"""
-    with psycopg2.connect(database="postgres") as conn:
-        conn.set_isolation_level(ISOLATION_LEVEL_AUTOCOMMIT)
-        cur = conn.cursor()
-        cur.execute(sql)
+    with psycopg.connect(database="postgres", autocommit=True) as conn:
+        with conn.cursor() as cur:
+            cur.execute(sql)
 
 
 @pytest.fixture(autouse=True, scope="session")