better exception logging

git-svn-id: https://xpra.org/svn/Xpra/trunk@17316 3bb7dfac-3a0b-4e04-842a-767bc560f471

src/xpra/client/client_window_base.py

@@ -221,7 +221,8 @@ def metadata_replace(match):
                 else:
                     utf8_title = title
             except Exception as e:
-                log.error("error parsing window title: %s", e)
+                log.error("Error parsing window title:")
+                log.error(" %s", e)
                 utf8_title = b""
             self.set_title(utf8_title)
 

src/xpra/client/gl/gtk_base/gtkgl_window_backing_base.py

@@ -98,6 +98,7 @@ def gl_context(self):
         try:
             context = GtkGLExtContext(b)
         except Exception as e:
+            log("gl_context()", exc_info=True)
             log.error("Error: %s", e)
             return None
         log("%s.gl_context() GL Pixmap backing size: %d x %d, context=%s", self, w, h, context)

src/xpra/client/keyboard_helper.py

@@ -165,7 +165,8 @@ def mod_defaults():
                             args.append(int(x))
                     args = tuple(args)
                 except Exception as e:
-                    log.warn("failed to parse arguments of shortcut '%s': %s", s, e)
+                    log.warn("Warning: failed to parse arguments of shortcut:")
+                    log.warn(" '%s': %s", s, e)
                     continue
             action = action.replace("-", "_")       #must be an object attribute
             log("action(%s)=%s%s", s, action, args)