From 95dc47a24fef4c07ebdc0cd49ffdffdead328fcd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Wed, 12 Nov 2025 14:56:34 +0100
Subject: [PATCH] Include the traceback only in RPC responses in development
 mode

Closes #14354
---
 trytond/CHANGELOG                    |  1 +
 trytond/bin/trytond                  |  1 +
 trytond/trytond/protocols/jsonrpc.py |  4 +++-
 trytond/trytond/wsgi.py              | 10 ++++++----
 4 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/trytond/CHANGELOG b/trytond/CHANGELOG
index 8118ef29b5..597861251a 100644
--- a/trytond/CHANGELOG
+++ b/trytond/CHANGELOG
@@ -1,3 +1,4 @@
+* Include the traceback only in RPC responses in development mode (issue14354)
 * Enforce access check in HTML editor route (issue14364)
 * Add a clear cache method to the Database
 * Add sequence_reorder to model order
diff --git a/trytond/bin/trytond b/trytond/bin/trytond
index 3210d25e69..cf4c3b2d37 100755
--- a/trytond/bin/trytond
+++ b/trytond/bin/trytond
@@ -74,6 +74,7 @@ with commandline.pidfile(options):
                     'txt', 'html', 'xhtml']:
                 path = os.path.join(info['directory'], '**', '*.' + ext)
                 extra_files.extend(glob.glob(path, recursive=True))
+    app.dev = options.dev
 
     if options.coroutine:
         from gevent.pywsgi import WSGIServer
diff --git a/trytond/trytond/protocols/jsonrpc.py b/trytond/trytond/protocols/jsonrpc.py
index 5e68ede280..359c1cab9e 100644
--- a/trytond/trytond/protocols/jsonrpc.py
+++ b/trytond/trytond/protocols/jsonrpc.py
@@ -172,7 +172,9 @@ class JSONProtocol:
                 response['error'] = data.args
             elif isinstance(data, Exception):
                 # report exception back to server
-                response['error'] = (str(data), data.__format_traceback__)
+                response['error'] = (
+                    str(data),
+                    getattr(data, '__format_traceback__', ''))
             else:
                 response['result'] = data
         else:
diff --git a/trytond/trytond/wsgi.py b/trytond/trytond/wsgi.py
index 237bf70175..b0013d3602 100644
--- a/trytond/trytond/wsgi.py
+++ b/trytond/trytond/wsgi.py
@@ -70,6 +70,7 @@ class TrytondWSGI(object):
                 })
         self.protocols = [JSONProtocol, XMLProtocol]
         self.error_handlers = []
+        self.dev = False
 
     def route(self, string, methods=None, defaults=None):
         def decorator(func):
@@ -132,10 +133,11 @@ class TrytondWSGI(object):
         except Exception as e:
             logger.debug(
                 "Exception when processing %s", request, exc_info=True)
-            tb_s = ''.join(traceback.format_exception(*sys.exc_info()))
-            for path in sys.path:
-                tb_s = tb_s.replace(path, '')
-            e.__format_traceback__ = tb_s
+            if self.dev:
+                tb_s = ''.join(traceback.format_exception(*sys.exc_info()))
+                for path in sys.path:
+                    tb_s = tb_s.replace(path, '')
+                e.__format_traceback__ = tb_s
             response = e
             for error_handler in self.error_handlers:
                 rv = error_handler(self, request, e)