Quick fix for kaazoo#7

TODO: move the command into seperate .py file (IMHO)

setup.py

@@ -1,8 +1,15 @@
-import os, glob, shutil, sys, pwd, grp
+import os, glob, shutil, sys
 from setuptools import setup
 from distutils.core import setup, Command
 
 
+try:
+    import pwd, grp
+except ImportError:
+    # e.g. under windows
+    pwd = grp = None
+
+
 def read(fname):
     """Read file contents."""
     return open(os.path.join(os.path.dirname(__file__), fname)).read()
@@ -97,10 +104,10 @@ def run(self):
             shutil.copy(template, drqueue_etc)
 
         # set to user-supplied user / group
-        if self.owner != None:
+        if self.owner != None and pwd is not None:
             uid = pwd.getpwnam(self.owner)[2]
             recursive_chown(drqueue_root, uid, -1)
-        if self.group != None:
+        if self.group != None and grp is not None:
             gid = grp.getgrnam(self.group)[2]
             recursive_chown(drqueue_root, -1, gid)