Simplify PyBool usage with Python convenience macros/functions

https://docs.python.org/3/c-api/bool.html

psycopg/connection_type.c

@@ -616,10 +616,7 @@ psyco_conn_set_session(connectionObject *self, PyObject *args, PyObject *kwargs)
 static PyObject *
 psyco_conn_autocommit_get(connectionObject *self)
 {
-    PyObject *ret;
-    ret = self->autocommit ? Py_True : Py_False;
-    Py_INCREF(ret);
-    return ret;
+    return PyBool_FromLong(self->autocommit);
 }
 
 BORROWED static PyObject *
@@ -1100,25 +1097,21 @@ psyco_conn_isexecuting(connectionObject *self)
 {
     /* synchronous connections will always return False */
     if (self->async == 0) {
-        Py_INCREF(Py_False);
-        return Py_False;
+        Py_RETURN_FALSE;
     }
 
     /* check if the connection is still being built */
     if (self->status != CONN_STATUS_READY) {
-        Py_INCREF(Py_True);
-        return Py_True;
+        Py_RETURN_TRUE;
     }
 
     /* check if there is a query being executed */
     if (self->async_cursor != NULL) {
-        Py_INCREF(Py_True);
-        return Py_True;
+        Py_RETURN_TRUE;
     }
 
     /* otherwise it's not executing */
-    Py_INCREF(Py_False);
-    return Py_False;
+    Py_RETURN_FALSE;
 }
 
 

psycopg/conninfo_type.c

@@ -352,11 +352,7 @@ static const char needs_password_doc[] =
 static PyObject *
 needs_password_get(connInfoObject *self)
 {
-    PyObject *rv;
-
-    rv = PQconnectionNeedsPassword(self->conn->pgconn) ? Py_True : Py_False;
-    Py_INCREF(rv);
-    return rv;
+    return PyBool_FromLong(PQconnectionNeedsPassword(self->conn->pgconn));
 }
 
 
@@ -372,11 +368,7 @@ static const char used_password_doc[] =
 static PyObject *
 used_password_get(connInfoObject *self)
 {
-    PyObject *rv;
-
-    rv = PQconnectionUsedPassword(self->conn->pgconn) ? Py_True : Py_False;
-    Py_INCREF(rv);
-    return rv;
+    return PyBool_FromLong(PQconnectionUsedPassword(self->conn->pgconn));
 }
 
 
@@ -398,8 +390,7 @@ ssl_in_use_get(connInfoObject *self)
     PyObject *rv = NULL;
 
 #if PG_VERSION_NUM >= 90500
-    rv = PQsslInUse(self->conn->pgconn) ? Py_True : Py_False;
-    Py_INCREF(rv);
+    rv = PyBool_FromLong(PQsslInUse(self->conn->pgconn));
 #else
     PyErr_SetString(NotSupportedError,
         "'ssl_in_use' not available in libpq < 9.5");

psycopg/cursor_type.c

@@ -1667,12 +1667,7 @@ exit:
 static PyObject *
 psyco_curs_get_closed(cursorObject *self, void *closure)
 {
-    PyObject *closed;
-
-    closed = (self->closed || (self->conn && self->conn->closed)) ?
-        Py_True : Py_False;
-    Py_INCREF(closed);
-    return closed;
+    return PyBool_FromLong(self->closed || (self->conn && self->conn->closed));
 }
 
 /* extension: withhold - get or set "WITH HOLD" for named cursors */
@@ -1683,10 +1678,7 @@ psyco_curs_get_closed(cursorObject *self, void *closure)
 static PyObject *
 psyco_curs_withhold_get(cursorObject *self)
 {
-    PyObject *ret;
-    ret = self->withhold ? Py_True : Py_False;
-    Py_INCREF(ret);
-    return ret;
+    return PyBool_FromLong(self->withhold);
 }
 
 int

psycopg/lobject_type.c

@@ -257,11 +257,7 @@ psyco_lobj_export(lobjectObject *self, PyObject *args)
 static PyObject *
 psyco_lobj_get_closed(lobjectObject *self, void *closure)
 {
-    PyObject *closed;
-
-    closed = lobject_is_closed(self) ? Py_True : Py_False;
-    Py_INCREF(closed);
-    return closed;
+    return PyBool_FromLong(lobject_is_closed(self));
 }
 
 #define psyco_lobj_truncate_doc \

psycopg/typecast.c

@@ -395,18 +395,11 @@ typecast_cmp(PyObject *obj1, PyObject* obj2)
 static PyObject*
 typecast_richcompare(PyObject *obj1, PyObject* obj2, int opid)
 {
-    PyObject *result = NULL;
     int res = typecast_cmp(obj1, obj2);
 
     if (PyErr_Occurred()) return NULL;
 
-    if ((opid == Py_EQ && res == 0) || (opid != Py_EQ && res != 0))
-        result = Py_True;
-    else
-        result = Py_False;
-
-    Py_INCREF(result);
-    return result;
+    return PyBool_FromLong((opid == Py_EQ && res == 0) || (opid != Py_EQ && res != 0));
 }
 
 static struct PyMemberDef typecastObject_members[] = {