- filename context added to template call in mako-render,

so that inheritance chains and includes are located
correctly, [ticket:202]

scripts/mako-render

@@ -1,11 +1,11 @@
 #!/usr/bin/env python
 
-def render(data, kw):
+def render(data, filename, kw):
     from mako.template import Template
     from mako.lookup import TemplateLookup
 
     lookup = TemplateLookup(["."])
-    return Template(data, lookup=lookup).render(**kw)
+    return Template(data, filename, lookup=lookup).render(**kw)
 
 def varsplit(var):
     if "=" not in var:
@@ -28,7 +28,7 @@ def main(argv=None):
 
     opts, args = parser.parse_args(argv[1:])
     if len(args) not in (0, 1):
-        parser.error("wrong number of arguments") # Will exit
+        parser.error("wrong number of arguments")  # Will exit
 
     if (len(args) == 0) or (args[0] == "-"):
         fo = stdin
@@ -40,7 +40,7 @@ def main(argv=None):
 
     kw = dict([varsplit(var) for var in opts.var])
     data = fo.read()
-    print render(data, kw)
+    print render(data, filename, kw)
 
 if __name__ == "__main__":
     main()