support for python 3.11

.github/workflows/tests.yml

@@ -18,13 +18,15 @@ jobs:
           - {python: "3.8", postgres: "12"}
           - {python: "3.9", postgres: "13"}
           - {python: "3.10", postgres: "14"}
+          - {python: "3.11-dev", postgres: "14"}
 
           # Opposite extremes of the supported Py/PG range, other architecture
           - {python: "3.6", postgres: "14", architecture: "x86"}
           - {python: "3.7", postgres: "13", architecture: "x86"}
           - {python: "3.8", postgres: "12", architecture: "x86"}
           - {python: "3.9", postgres: "11", architecture: "x86"}
           - {python: "3.10", postgres: "10", architecture: "x86"}
+          - {python: "3.11-dev", postgres: "10", architecture: "x86"}
 
     env:
       PSYCOPG2_TESTDB: postgres
@@ -48,11 +50,13 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
+      - name: Install tox
+        run: pip install tox
       - uses: actions/setup-python@v2
         with:
           python-version: ${{ matrix.python }}
-      - name: Install tox
-        run: pip install tox
       - name: Run tests
-        run: tox -e ${{ matrix.python }}
+        env:
+          MATRIX_PYTHON: ${{ matrix.python }}
+        run: tox -e ${MATRIX_PYTHON%-dev}
         timeout-minutes: 5

psycopg/connection_int.c

@@ -33,6 +33,7 @@
 #include "psycopg/green.h"
 #include "psycopg/notify.h"
 
+#include <stdlib.h>
 #include <string.h>
 
 /* String indexes match the ISOLATION_LEVEL_* consts */

psycopg/connection_type.c

@@ -35,6 +35,7 @@
 #include "psycopg/green.h"
 #include "psycopg/xid.h"
 
+#include <stdlib.h>
 #include <string.h>
 #include <ctype.h>
 

psycopg/pqpath.c

@@ -47,6 +47,7 @@
 #include "psycopg/libpq_support.h"
 #include "libpq-fe.h"
 
+#include <stdlib.h>
 #ifdef _WIN32
 /* select() */
 #include <winsock2.h>

psycopg/psycopgmodule.c

@@ -57,6 +57,8 @@
 #include <datetime.h>
 #include "psycopg/adapter_datetime.h"
 
+#include <stdlib.h>
+
 HIDDEN PyObject *psycoEncodings = NULL;
 HIDDEN PyObject *sqlstate_errors = NULL;
 

psycopg/replication_connection_type.c

@@ -129,6 +129,11 @@ replicationConnection_repr(replicationConnectionObject *self)
         self, self->conn.dsn, self->conn.closed);
 }
 
+static int
+replicationConnectionType_traverse(PyObject *self, visitproc visit, void *arg)
+{
+    return connectionType.tp_traverse(self, visit, arg);
+}
 
 /* object calculated member list */
 
@@ -173,7 +178,7 @@ PyTypeObject replicationConnectionType = {
     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_ITER |
       Py_TPFLAGS_HAVE_GC, /*tp_flags*/
     replicationConnectionType_doc, /*tp_doc*/
-    0,          /*tp_traverse*/
+    replicationConnectionType_traverse, /*tp_traverse*/
     0,          /*tp_clear*/
     0,          /*tp_richcompare*/
     0,          /*tp_weaklistoffset*/

psycopg/replication_cursor_type.c

@@ -346,6 +346,11 @@ replicationCursor_repr(replicationCursorObject *self)
         "<ReplicationCursor object at %p; closed: %d>", self, self->cur.closed);
 }
 
+static int
+replicationCursorType_traverse(PyObject *self, visitproc visit, void *arg)
+{
+    return cursorType.tp_traverse(self, visit, arg);
+}
 
 /* object type */
 
@@ -374,7 +379,7 @@ PyTypeObject replicationCursorType = {
     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_ITER |
       Py_TPFLAGS_HAVE_GC, /*tp_flags*/
     replicationCursorType_doc, /*tp_doc*/
-    0,          /*tp_traverse*/
+    replicationCursorType_traverse, /*tp_traverse*/
     0,          /*tp_clear*/
     0,          /*tp_richcompare*/
     0,          /*tp_weaklistoffset*/

tox.ini

@@ -1,10 +1,11 @@
 [tox]
-envlist = {3.6,3.7,3.8,3.9,3.10}
+envlist = {3.6,3.7,3.8,3.9,3.10,3.11}
 
 [testenv]
 commands = make check
 whitelist_externals = make
 passenv = PG* PSYCOPG2_TEST*
+basepython = python{envname}
 
 [flake8]
 max-line-length = 85