--- a/setup.py	(revision 213)
+++ b/setup.py	(working copy)
@@ -52,7 +52,7 @@
   xpra:
     %s""" % (wimpiggy_desc, parti_desc, xpra_desc)
 
-if not sys.platform.startswith("win"):
+if not sys.platform.startswith("win") and not sys.platform.startswith("darwin"):
     from Pyrex.Compiler.Version import version as pyrex_version_string
     pyrex_version = [int(part) for part in pyrex_version_string.split(".")]
     # This was when the 'for 0 < i < 10:' syntax as added, bump upwards as
--- a/wimpiggy/keys.py	(revision 213)
+++ b/wimpiggy/keys.py	(working copy)
@@ -3,6 +3,7 @@
 # Parti is released under the terms of the GNU GPL v2, or, at your option, any
 # later version. See the file COPYING for details.
 
+import sys
 import gobject
 import gtk
 from wimpiggy.util import one_arg_signal
@@ -27,7 +28,7 @@
         gobject.GObject.__init__(self)
         self.window = window
         self.hotkeys = {}
-        if not sys.platform.startswith("win"):
+        if not sys.platform.startswith("win") and not sys.platform.startswith("darwin"):
                 global get_modifier_map
                 global grab_key
                 global ungrab_all_keys
--- a/wimpiggy/lowlevel/__init__.py	(revision 213)
+++ b/wimpiggy/lowlevel/__init__.py	(working copy)
@@ -12,7 +12,7 @@
     pass
 
 _sendClientMessage=noop
-if not sys.platform.startswith("win"):
+if not sys.platform.startswith("win") and not sys.platform.startswith("darwin"):
     from wimpiggy.lowlevel.bindings import *
     _sendClientMessage = sendClientMessage
 
--- a/xpra/client.py	(revision 222)
+++ b/xpra/client.py	(working copy)
@@ -293,7 +293,7 @@
         self._xsettings_watcher = None
         self._root_props_watcher = None
 
-        if not sys.platform.startswith("win"):
+        if not sys.platform.startswith("win") and not sys.platform.startswith("darwin"):
             from xpra.clipboard import ClipboardProtocolHelper
             self._clipboard_helper = ClipboardProtocolHelper(self.send)
         else:
@@ -395,7 +395,7 @@
             self._clipboard_helper.send_all_tokens()
         self._xsettings_watcher = None
         self._root_props_watcher = None
-        if not sys.platform.startswith("win"):
+        if not sys.platform.startswith("win") and not sys.platform.startswith("darwin"):
             from xpra.xsettings import XSettingsWatcher
             from xpra.root_props import RootPropWatcher
             self._xsettings_watcher = XSettingsWatcher()