Quick workaround courses hierarchy

lms/djangoapps/courseware/views.py

 import json
 import logging
+import re
 import urllib
 import itertools
 
@@ -8,7 +9,7 @@ from django.core.context_processors import csrf
 from django.core.urlresolvers import reverse
 from django.contrib.auth.models import User
 from django.contrib.auth.decorators import login_required
-from django.http import Http404, HttpResponse
+from django.http import Http404, HttpResponse, HttpResponseRedirect
 from django.shortcuts import redirect
 from mitxmako.shortcuts import render_to_response, render_to_string
 #from django.views.decorators.csrf import ensure_csrf_cookie
@@ -35,6 +36,20 @@ log = logging.getLogger("mitx.courseware")
 
 template_imports = {'urllib': urllib}
 
+
+def course_redirect(request, course_path):
+    '''
+    Allows course XML to refer to its own directory structure without knowing the multicourse hierarchy.
+    Prepends the multicourse path to the requested course-internal path.
+    If the course_id cannot be determined, redirect to multicourse page. (NOTE: is Http404 more appropriate?)
+    '''
+    referer = request.META['HTTP_REFERER']
+    match = re.search(r'/courses/(?P<course_id>[^/]+/[^/]+/[^/]+)/', referer)
+    courses_path = '/courses/'
+    if match is not None:
+        courses_path += match.group('course_id') + '/' + course_path
+    return HttpResponseRedirect(courses_path)
+
 def user_groups(user):
     """
     TODO (vshnayder): This is not used. When we have a new plan for groups, adjust appropriately.

lms/urls.py

@@ -124,6 +124,7 @@ if settings.COURSEWARE_ENABLED:
             'courseware.views.course_about', name="about_course"),
 
         #Inside the course
+        url(r'^course/(?P<course_path>.*)$','courseware.views.course_redirect'),
         url(r'^courses/(?P<course_id>[^/]+/[^/]+/[^/]+)/info$',
             'courseware.views.course_info', name="info"),
         url(r'^courses/(?P<course_id>[^/]+/[^/]+/[^/]+)/book$',