--- a/makeitso/makeitso.py	Wed Dec 22 14:03:53 2010 -0800
+++ b/makeitso/makeitso.py	Wed Dec 22 14:34:20 2010 -0800
@@ -3,6 +3,7 @@
 filesystem template interpreter
 """
 
+import inspect
 import os
 import re
 import shutil
@@ -60,25 +61,13 @@
         cleanup()
         raise NotImplementedError('This should say something like youre not connected to the net')
 
-
+# does tempita support delimeters?
+has_delimeters = 'delimeters' in inspect.getargspec(tempita.Template.__init__).args
 
 # regular expressions for finding the shebang
 shebang_re = '#!.*makeitso.*'
 shebang_re = re.compile(shebang_re)
 
-class MissingVariablesException(Exception):
-    def __init__(self, message, missing):
-        self.missing = missing
-
-def call(command, *args, **kw):
-    code = subprocess.call(command, *args, **kw)
-    if code:
-        if isinstance(command, basestring):
-            cmdstr = command
-        else:
-            cmdstr = ' '.join(command)
-        raise SystemExit("Command `%s` exited with code %d" % (cmdstr, code))
-
 def base_uri(uri):
     if '://' in uri:
         return 'uri'.rsplit('/', 1)[0] + '/'
@@ -91,10 +80,15 @@
     f, headers = urllib.urlretrieve(uri)
     return file(f).read()
 
-### functions for variables
+### things that deal with variables
 
 defaults = {'include': include}
 
+class MissingVariablesException(Exception):
+    """exception for (non-interactive) missing variables"""
+    def __init__(self, message, missing):
+        self.missing = missing
+
 def get_missing(name_error):
     """
     This is a horrible hack because python doesn't do the proper thing
@@ -169,10 +163,11 @@
 
     # delimeters
     # XXX needs tempita trunk
-    parser.add_option('-[', '--start-braces', dest='start_braces',
-                      help='starting delimeter')
-    parser.add_option('-]', '--end-braces', dest='end_braces',
-                      help='starting delimeter')
+    if has_delimeters:
+        parser.add_option('-[', '--start-braces', dest='start_braces',
+                          help='starting delimeter')
+        parser.add_option('-]', '--end-braces', dest='end_braces',
+                          help='starting delimeter')
 
     # options about where to put things
     parser.add_option('--in-place', dest='in_place',