Use six to define a metaclass in a python 2 and 3 compatible way.

dylanahsmith · dylanahsmith · commit f602e3047cc7 · 2014-06-27T13:47:15.000-04:00
diff --git a/scripts/shopify_api.py b/scripts/shopify_api.py
@@ -8,6 +8,7 @@
 import glob
 import subprocess
 import yaml
+import six
 
 def start_interpreter(**variables):
     console = type('shopify ' + shopify.version.VERSION, (code.InteractiveConsole, object), {})
@@ -83,9 +84,8 @@ def help(cls, task=None):
             print(task_func.__doc__)
 
 
+@six.add_metaclass(TasksMeta)
 class Tasks(object):
-    __metaclass__ = TasksMeta
-
     _shop_config_dir = os.path.join(os.environ["HOME"], ".shopify", "shops")
     _default_symlink = os.path.join(_shop_config_dir, "default")
 
diff --git a/shopify/base.py b/shopify/base.py
@@ -6,6 +6,7 @@
 import threading
 import sys
 from six.moves import urllib
+import six
 
 
 # Store the response from the last request in the connection object
@@ -114,8 +115,8 @@ def set_format(cls, value):
                       'Encoding used for request and responses')
 
 
+@six.add_metaclass(ShopifyResourceMeta)
 class ShopifyResource(ActiveResource, mixins.Countable):
-    __metaclass__ = ShopifyResourceMeta
     _format = formats.JSONFormat
     _threadlocal = threading.local()
     _headers = {'User-Agent': 'ShopifyPythonAPI/%s Python/%s' % (shopify.VERSION, sys.version.split(' ', 1)[0])}
