RF: import each component using importlib

psychopy/app/builder/components/__init__.py

@@ -4,10 +4,13 @@
 # Copyright (C) 2015 Jonathan Peirce
 # Distributed under the terms of the GNU General Public License (GPL).
 
+from __future__ import absolute_import
+
 import os, glob, copy
 import wx
 from PIL import Image
 from os.path import join, dirname, abspath
+from importlib import import_module  #  helps python 2.7 -> 3.x migration
 
 excludeComponents = ['BaseComponent', 'BaseVisualComponent', #these are templates, not for use
                      'EyetrackerComponent', #this one isn't ready yet
@@ -65,8 +68,12 @@ def getComponents(folder=None, fetchIcons=True):
     if os.path.isdir(folder):
         for file in glob.glob(os.path.join(folder, '*.py')):#must start with a letter
             file=os.path.split(file)[1]
-#            module = imp.load_source(file[:-3], fullPath)#can't use imp - breaks py2app
-            exec('import %s as module' %(file[:-3]))
+            if file in ['__init__.py', '_base.py']:
+                continue
+            #module = imp.load_source(file[:-3], fullPath)#can't use imp - breaks py2app
+            #exec('from psychopy.app.builder.components import %s as module' %(file[:-3]))
+            module_abs_path = 'psychopy.app.builder.components.' + file[:-3]
+            module = import_module(module_abs_path)
             if not hasattr(module,'categories'):
                 module.categories=['Custom']
             for attrib in dir(module):

psychopy/app/builder/components/_base.py

@@ -2,6 +2,8 @@
 # Copyright (C) 2015 Jonathan Peirce
 # Distributed under the terms of the GNU General Public License (GPL).
 
+from __future__ import absolute_import
+
 from ..experiment import Param
 from ..components import getInitVals
 from psychopy.constants import FOREVER