Import plugins at startup to allow to modify/add widgets or any other stuff

tryton/gui/main.py

@@ -15,6 +15,7 @@ from tryton.gui.window import FilesActions
 import re
 import base64
 import tryton.translate as translate
+import tryton.plugin
 
 _ = gettext.gettext
 
@@ -718,7 +719,6 @@ class Main(object):
                 except_id=except_id)
 
     def sig_plugin_execute(self, widget):
-        import tryton.plugin
         page = self.notebook.get_current_page()
         datas = {
                 'model': self.pages[page].model,

tryton/plugin.py

@@ -3,18 +3,24 @@ import os
 import imp
 
 PLUGINS_PATH = os.path.join(os.path.dirname(__file__), 'plugins')
+MODULES = []
+
+for plugin in os.listdir(PLUGINS_PATH):
+    module = os.path.splitext(plugin)[0]
+    try:
+        module = imp.load_module(module, *imp.find_module(module, [PLUGINS_PATH]))
+        MODULES.append(module)
+    except Exception, exception:
+        continue
 
 def execute(datas, parent):
     result = {}
 
-    for plugin in os.listdir(PLUGINS_PATH):
-        module = os.path.splitext(plugin)[0]
+    for module in MODULES:
         try:
-            module = imp.load_module(module, *imp.find_module(module, [PLUGINS_PATH]))
             for name, func in module.get_plugins(datas['model']):
                 result[name] = func
         except Exception, exception:
-            print exception
             continue
     if not result:
         common.message(_('No available plugin for this resource!'), parent)