adds notifications processing after every PQexec

psycopg/connection_int.c

@@ -1344,6 +1344,11 @@ conn_set_session(connectionObject *self, int autocommit,
         }
     }
 
+    Py_BLOCK_THREADS;
+    conn_notifies_process(self);
+    conn_notice_process(self);
+    Py_UNBLOCK_THREADS;
+
     if (autocommit != SRV_STATE_UNCHANGED) {
         self->autocommit = autocommit;
     }
@@ -1408,6 +1413,11 @@ conn_set_client_encoding(connectionObject *self, const char *pgenc)
         goto endlock;
     }
 
+    Py_BLOCK_THREADS;
+    conn_notifies_process(self);
+    conn_notice_process(self);
+    Py_UNBLOCK_THREADS;
+
 endlock:
     pthread_mutex_unlock(&self->lock);
     Py_END_ALLOW_THREADS;

psycopg/pqpath.c

@@ -469,6 +469,7 @@ pq_abort(connectionObject *conn)
     retvalue = pq_abort_locked(conn, &_save);
 
     Py_BLOCK_THREADS;
+    conn_notifies_process(conn);
     conn_notice_process(conn);
     Py_UNBLOCK_THREADS;
 
@@ -539,6 +540,7 @@ pq_reset(connectionObject *conn)
 
     Py_BLOCK_THREADS;
     conn_notice_process(conn);
+    conn_notifies_process(conn);
     Py_UNBLOCK_THREADS;
 
     pthread_mutex_unlock(&conn->lock);

tests/test_notify.py

@@ -23,13 +23,14 @@
 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
 # License for more details.
 
+import os
 import unittest
 from collections import deque
 
 import psycopg2
 from psycopg2 import extensions
 from psycopg2.extensions import Notify
-from .testutils import ConnectingTestCase, skip_if_crdb, slow
+from .testutils import ConnectingTestCase, skip_if_crdb, skip_if_windows, slow
 from .testconfig import dsn
 
 import sys
@@ -74,7 +75,9 @@ conn.close()
             module=psycopg2.__name__,
             dsn=dsn, sec=sec, name=name, payload=payload))
 
-        return Popen([sys.executable, '-c', script], stdout=PIPE)
+        env = os.environ.copy()
+        env.pop("PSYCOPG_DEBUG", None)
+        return Popen([sys.executable, '-c', script], stdout=PIPE, env=env)
 
     @slow
     def test_notifies_received_on_poll(self):
@@ -127,16 +130,68 @@ conn.close()
         self.assertEqual('foo', self.conn.notifies[0][1])
 
     @slow
+    @skip_if_windows
     def test_notifies_received_on_commit(self):
-        self.listen("foo")
+        self.listen('foo')
         self.conn.commit()
-        self.conn.cursor().execute("select 1;")
-        pid = int(self.notify("foo").communicate()[0])
+        self.conn.cursor().execute('select 1;')
+        pid = int(self.notify('foo').communicate()[0])
         self.assertEqual(0, len(self.conn.notifies))
         self.conn.commit()
         self.assertEqual(1, len(self.conn.notifies))
         self.assertEqual(pid, self.conn.notifies[0][0])
-        self.assertEqual("foo", self.conn.notifies[0][1])
+        self.assertEqual('foo', self.conn.notifies[0][1])
+
+    @slow
+    @skip_if_windows
+    def test_notifies_received_on_rollback(self):
+        self.listen('foo')
+        self.conn.commit()
+        self.conn.cursor().execute('select 1;')
+        pid = int(self.notify('foo').communicate()[0])
+        self.assertEqual(0, len(self.conn.notifies))
+        self.conn.rollback()
+        self.assertEqual(1, len(self.conn.notifies))
+        self.assertEqual(pid, self.conn.notifies[0][0])
+        self.assertEqual('foo', self.conn.notifies[0][1])
+
+    @slow
+    @skip_if_windows
+    def test_notifies_received_on_reset(self):
+        self.listen('foo')
+        self.conn.commit()
+        pid = int(self.notify('foo').communicate()[0])
+        self.assertEqual(0, len(self.conn.notifies))
+        self.conn.reset()
+        self.assertEqual(1, len(self.conn.notifies))
+        self.assertEqual(pid, self.conn.notifies[0][0])
+        self.assertEqual('foo', self.conn.notifies[0][1])
+
+    @slow
+    @skip_if_windows
+    def test_notifies_received_on_set_session(self):
+        self.listen('foo')
+        self.conn.commit()
+        pid = int(self.notify('foo').communicate()[0])
+        self.assertEqual(0, len(self.conn.notifies))
+        self.conn.set_session(autocommit=True, readonly=True)
+        self.assertEqual(1, len(self.conn.notifies))
+        self.assertEqual(pid, self.conn.notifies[0][0])
+        self.assertEqual('foo', self.conn.notifies[0][1])
+
+    @slow
+    @skip_if_windows
+    def test_notifies_received_on_set_client_encoding(self):
+        self.listen('foo')
+        self.conn.commit()
+        pid = int(self.notify('foo').communicate()[0])
+        self.assertEqual(0, len(self.conn.notifies))
+        self.conn.set_client_encoding(
+            'LATIN1' if self.conn.encoding != 'LATIN1' else 'UTF8'
+        )
+        self.assertEqual(1, len(self.conn.notifies))
+        self.assertEqual(pid, self.conn.notifies[0][0])
+        self.assertEqual('foo', self.conn.notifies[0][1])
 
     @slow
     def test_notify_object(self):