Make import work via mako again, to unblock others while I work on making the…

Make import work via mako again, to unblock others while I work on making the LMS work using XModuleDescriptors

cms/djangoapps/contentstore/management/commands/import.py

@@ -7,6 +7,7 @@ from keystore.django import keystore
 from raw_module import RawDescriptor
 from lxml import etree
 from fs.osfs import OSFS
+from mako.lookup import TemplateLookup
 
 from path import path
 from x_module import XModuleDescriptor, XMLParsingSystem
@@ -23,8 +24,6 @@ class Command(BaseCommand):
     def handle(self, *args, **options):
         org, course, data_dir = args
         data_dir = path(data_dir)
-        with open(data_dir / "course.xml") as course_file:
-
         class ImportSystem(XMLParsingSystem):
             def __init__(self):
                 self.load_item = keystore().get_item
@@ -49,4 +48,7 @@ class Command(BaseCommand):
                     keystore().update_children(module.url, module.definition['children'])
                 return module
 
-            ImportSystem().process_xml(course_file.read())
+        lookup = TemplateLookup(directories=[data_dir])
+        template = lookup.get_template("course.xml")
+        course_string = template.render(groups=[])
+        ImportSystem().process_xml(course_string)