From 816abe1fd86d16ec6f90eb36cdd32920feb67b8d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Sat, 5 Nov 2022 09:51:17 +0100
Subject: [PATCH] Do not expand boolean PYSON when using __and__ and __or__

It is not expected that the left operand is modified by such operations.

issue11836
review418551003
(grafted from 393ef20df4b30ead8ef189e99cf03976abe0be08)

--HG--
branch : 6.0
---
 proteus/pyson.py | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/proteus/pyson.py b/proteus/pyson.py
index 0f2ed608c6..9dc06dc11d 100644
--- a/proteus/pyson.py
+++ b/proteus/pyson.py
@@ -31,8 +31,7 @@ class PYSON(object):
             other = Bool(other)
         if (isinstance(self, And)
                 and not isinstance(self, Or)):
-            self._statements.append(other)
-            return self
+            return And(*self._statements, other)
         if self.types() != {bool}:
             return And(Bool(self), other)
         else:
@@ -45,8 +44,7 @@ class PYSON(object):
                 and other.types() != {bool}):
             other = Bool(other)
         if isinstance(self, Or):
-            self._statements.append(other)
-            return self
+            return Or(*self._statements, other)
         if self.types() != {bool}:
             return Or(Bool(self), other)
         else: