Merge pull request #1269 from MITx/feature/cdodge/cms-master-merge3

Feature/cdodge/cms master merge3

cms/djangoapps/contentstore/views.py

@@ -202,7 +202,7 @@ def edit_subsection(request, location):
     if item.location.category != 'sequential':
         return HttpResponseBadRequest()
 
-    parent_locs = modulestore().get_parent_locations(location)
+    parent_locs = modulestore().get_parent_locations(location, None)
 
     # we're for now assuming a single parent
     if len(parent_locs) != 1:
@@ -285,10 +285,10 @@ def edit_unit(request, location):
     # this will need to change to check permissions correctly so as
     # to pick the correct parent subsection
 
-    containing_subsection_locs = modulestore().get_parent_locations(location)
+    containing_subsection_locs = modulestore().get_parent_locations(location, None)
     containing_subsection = modulestore().get_item(containing_subsection_locs[0])
 
-    containing_section_locs = modulestore().get_parent_locations(containing_subsection.location)
+    containing_section_locs = modulestore().get_parent_locations(containing_subsection.location, None)
     containing_section = modulestore().get_item(containing_section_locs[0])
 
     # cdodge hack. We're having trouble previewing drafts via jump_to redirect

common/djangoapps/student/views.py

@@ -78,7 +78,7 @@ def index(request, extra_context={}, user=None):
     courses = get_courses(None, domain=domain)
 
     # Sort courses by how far are they from they start day
-    key = lambda course: course.metadata['days_to_start']
+    key = lambda course: course.days_until_start
     courses = sorted(courses, key=key, reverse=True)
 
     # Get the 3 most recent news

common/lib/capa/capa/responsetypes.py

@@ -633,7 +633,7 @@ class MultipleChoiceResponse(LoncapaResponse):
         # define correct choices (after calling secondary setup)
         xml = self.xml
         cxml = xml.xpath('//*[@id=$id]//choice[@correct="true"]', id=xml.get('id'))
-        self.correct_choices = [choice.get('name') for choice in cxml]
+        self.correct_choices = [contextualize_text(choice.get('name'), self.context) for choice in cxml]
 
     def mc_setup_response(self):
         '''
@@ -727,7 +727,7 @@ class OptionResponse(LoncapaResponse):
         return cmap
 
     def get_answers(self):
-        amap = dict([(af.get('id'), af.get('correct')) for af in self.answer_fields])
+        amap = dict([(af.get('id'), contextualize_text(af.get('correct'), self.context)) for af in self.answer_fields])
         # log.debug('%s: expected answers=%s' % (unicode(self),amap))
         return amap
 

common/lib/xmodule/xmodule/course_module.py

+import logging
 from cStringIO import StringIO
 from lxml import etree
 from path import path  # NOTE (THK): Only used for detecting presence of syllabus
-from xmodule.graders import grader_from_conf
+import requests
+import time
+from datetime import datetime
+
 from xmodule.modulestore import Location
 from xmodule.seq_module import SequenceDescriptor, SequenceModule
 from xmodule.timeparse import parse_time, stringify_time
 from xmodule.util.decorators import lazyproperty
+from xmodule.graders import grader_from_conf
 from datetime import datetime
 import json
 import logging
@@ -16,11 +21,13 @@ import copy
 
 log = logging.getLogger(__name__)
 
+
 edx_xml_parser = etree.XMLParser(dtd_validation=False, load_dtd=False,
                                  remove_comments=True, remove_blank_text=True)
 
 _cached_toc = {}
 
+
 class CourseDescriptor(SequenceDescriptor):
     module_class = SequenceModule
 
@@ -334,6 +341,38 @@ class CourseDescriptor(SequenceDescriptor):
     def show_calculator(self):
         return self.metadata.get("show_calculator", None) == "Yes"
 
+    @property
+    def is_new(self):
+        # The course is "new" if either if the metadata flag is_new is
+        # true or if the course has not started yet
+        flag = self.metadata.get('is_new', None)
+        if flag is None:
+            return self.days_until_start > 1
+        elif isinstance(flag, basestring):
+            return flag.lower() in ['true', 'yes', 'y']
+        else:
+            return bool(flag)
+
+    @property
+    def days_until_start(self):
+        def convert_to_datetime(timestamp):
+            return datetime.fromtimestamp(time.mktime(timestamp))
+
+        start_date = convert_to_datetime(self.start)
+
+        #  Try to use course advertised date if we can parse it
+        advertised_start = self.metadata.get('advertised_start', None)
+        if advertised_start:
+            try:
+                start_date = datetime.strptime(advertised_start,
+                                               "%Y-%m-%dT%H:%M")
+            except ValueError:
+                pass  # Invalid date, keep using 'start''
+
+        now = convert_to_datetime(time.gmtime())
+        days_until_start = (start_date - now).days
+        return days_until_start
+
     @lazyproperty
     def grading_context(self):
         """
@@ -413,7 +452,6 @@ class CourseDescriptor(SequenceDescriptor):
             raise ValueError("{0} is not a course location".format(loc))
         return "/".join([loc.org, loc.course, loc.name])
 
-
     @property
     def id(self):
         """Return the course_id for this course"""
@@ -511,5 +549,3 @@ class CourseDescriptor(SequenceDescriptor):
     def org(self):
         return self.location.org
 
-
-

common/lib/xmodule/xmodule/modulestore/__init__.py

@@ -364,9 +364,9 @@ class ModuleStore(object):
         '''
         raise NotImplementedError
 
-    def get_parent_locations(self, location):
-        '''Find all locations that are the parents of this location.  Needed
-        for path_to_location().
+    def get_parent_locations(self, location, course_id):
+        '''Find all locations that are the parents of this location in this 
+        course.  Needed for path_to_location().
 
         returns an iterable of things that can be passed to Location.
         '''

common/lib/xmodule/xmodule/modulestore/draft.py

@@ -160,13 +160,13 @@ class DraftModuleStore(ModuleStoreBase):
         return super(DraftModuleStore, self).delete_item(as_draft(location))
 
 
-    def get_parent_locations(self, location):
+    def get_parent_locations(self, location, course_id):
         '''Find all locations that are the parents of this location.  Needed
         for path_to_location().
 
         returns an iterable of things that can be passed to Location.
         '''
-        return super(DraftModuleStore, self).get_parent_locations(location)
+        return super(DraftModuleStore, self).get_parent_locations(location, course_id)
 
     def publish(self, location, published_by_id):
         """

common/lib/xmodule/xmodule/modulestore/mongo.py

@@ -402,6 +402,7 @@ class MongoModuleStore(ModuleStoreBase):
 
         self._update_single_item(location, {'metadata': metadata})
 
+
     def delete_item(self, location):
         """
         Delete an item from this modulestore
@@ -420,12 +421,10 @@ class MongoModuleStore(ModuleStoreBase):
 
         self.collection.remove({'_id': Location(location).dict()})
 
-    def get_parent_locations(self, location):
-        '''Find all locations that are the parents of this location.  Needed
-        for path_to_location().
 
-        returns an iterable of things that can be passed to Location.  This may
-        be empty if there are no parents.
+    def get_parent_locations(self, location, course_id):
+        '''Find all locations that are the parents of this location in this 
+        course.  Needed for path_to_location().
         '''
         location = Location.ensure_fully_specified(location)
         items = self.collection.find({'definition.children': location.url()},

common/lib/xmodule/xmodule/modulestore/search.py

@@ -60,9 +60,11 @@ def path_to_location(modulestore, course_id, location):
             (loc, path) = queue.pop()  # Takes from the end
             loc = Location(loc)
 
-            # Call get_parent_locations first to make sure the location is there
-            # (even if it's a course, and we would otherwise immediately exit).
-            parents = modulestore.get_parent_locations(loc)
+            # get_parent_locations should raise ItemNotFoundError if location
+            # isn't found so we don't have to do it explicitly.  Call this
+            # first to make sure the location is there (even if it's a course, and
+            # we would otherwise immediately exit).
+            parents = modulestore.get_parent_locations(loc, course_id)
 
             # print 'Processing loc={0}, path={1}'.format(loc, path)
             if loc.category == "course":

common/lib/xmodule/xmodule/modulestore/tests/test_modulestore.py

@@ -23,12 +23,3 @@ def check_path_to_location(modulestore):
     for location in not_found:
         assert_raises(ItemNotFoundError, path_to_location, modulestore, course_id, location)
 
-    # Since our test files are valid, there shouldn't be any
-    # elements with no path to them.  But we can look for them in
-    # another course.
-    no_path = (
-        "i4x://edX/simple/video/Lost_Video",
-        )
-    for location in no_path:
-        assert_raises(NoPathToItem, path_to_location, modulestore, course_id, location)
-

common/lib/xmodule/xmodule/modulestore/xml.py

@@ -280,14 +280,16 @@ class XMLModuleStore(ModuleStoreBase):
             class_ = getattr(import_module(module_path), class_name)
             self.default_class = class_
 
-        self.parent_tracker = ParentTracker()
+        self.parent_trackers = defaultdict(ParentTracker)
 
         # If we are specifically asked for missing courses, that should
         # be an error.  If we are asked for "all" courses, find the ones
-        # that have a course.xml
+        # that have a course.xml. We sort the dirs in alpha order so we always
+        # read things in the same order (OS differences in load order have
+        # bitten us in the past.)
         if course_dirs is None:
-            course_dirs = [d for d in os.listdir(self.data_dir) if
-                           os.path.exists(self.data_dir / d / "course.xml")]
+            course_dirs = sorted([d for d in os.listdir(self.data_dir) if
+                                  os.path.exists(self.data_dir / d / "course.xml")])
 
         for course_dir in course_dirs:
             self.try_load_course(course_dir)
@@ -312,7 +314,7 @@ class XMLModuleStore(ModuleStoreBase):
         if course_descriptor is not None:
             self.courses[course_dir] = course_descriptor
             self._location_errors[course_descriptor.location] = errorlog
-            self.parent_tracker.make_known(course_descriptor.location)
+            self.parent_trackers[course_descriptor.id].make_known(course_descriptor.location)
         else:
             # Didn't load course.  Instead, save the errors elsewhere.
             self.errored_courses[course_dir] = errorlog
@@ -415,7 +417,7 @@ class XMLModuleStore(ModuleStoreBase):
                 course_dir,
                 policy,
                 tracker,
-                self.parent_tracker,
+                self.parent_trackers[course_id],
                 self.load_error_modules,
             )
 
@@ -578,12 +580,15 @@ class XMLModuleStore(ModuleStoreBase):
         """
         raise NotImplementedError("XMLModuleStores are read-only")
 
-    def get_parent_locations(self, location):
-        '''Find all locations that are the parents of this location.  Needed
-        for path_to_location().
+    def get_parent_locations(self, location, course_id):
+        '''Find all locations that are the parents of this location in this 
+        course.  Needed for path_to_location().
 
         returns an iterable of things that can be passed to Location.  This may
         be empty if there are no parents.
         '''
         location = Location.ensure_fully_specified(location)
-        return self.parent_tracker.parents(location)
+        if not self.parent_trackers[course_id].is_known(location):
+            raise ItemNotFoundError("{0} not in {1}".format(location, course_id))
+
+        return self.parent_trackers[course_id].parents(location)

common/lib/xmodule/xmodule/tests/test_course_module.py

+import unittest
+from time import strptime, gmtime
+from fs.memoryfs import MemoryFS
+
+from mock import Mock, patch
+
+from xmodule.modulestore.xml import ImportSystem, XMLModuleStore
+
+
+ORG = 'test_org'
+COURSE = 'test_course'
+
+NOW = strptime('2013-01-01T01:00:00', '%Y-%m-%dT%H:%M:00')
+
+
+class DummySystem(ImportSystem):
+    @patch('xmodule.modulestore.xml.OSFS', lambda dir: MemoryFS())
+    def __init__(self, load_error_modules):
+
+        xmlstore = XMLModuleStore("data_dir", course_dirs=[],
+                                  load_error_modules=load_error_modules)
+        course_id = "/".join([ORG, COURSE, 'test_run'])
+        course_dir = "test_dir"
+        policy = {}
+        error_tracker = Mock()
+        parent_tracker = Mock()
+
+        super(DummySystem, self).__init__(
+            xmlstore,
+            course_id,
+            course_dir,
+            policy,
+            error_tracker,
+            parent_tracker,
+            load_error_modules=load_error_modules,
+        )
+
+
+class IsNewCourseTestCase(unittest.TestCase):
+    """Make sure the property is_new works on courses"""
+    @staticmethod
+    def get_dummy_course(start, is_new=None, load_error_modules=True):
+        """Get a dummy course"""
+
+        system = DummySystem(load_error_modules)
+        is_new = '' if is_new is None else 'is_new="{0}"'.format(is_new).lower()
+
+        start_xml = '''
+         <course org="{org}" course="{course}"
+                graceperiod="1 day" url_name="test"
+                start="{start}"
+                {is_new}>
+            <chapter url="hi" url_name="ch" display_name="CH">
+                <html url_name="h" display_name="H">Two houses, ...</html>
+            </chapter>
+         </course>
+         '''.format(org=ORG, course=COURSE, start=start, is_new=is_new)
+
+        return system.process_xml(start_xml)
+
+    @patch('xmodule.course_module.time.gmtime')
+    def test_non_started_yet(self, gmtime_mock):
+        descriptor = self.get_dummy_course(start='2013-01-05T12:00')
+        gmtime_mock.return_value = NOW
+        assert(descriptor.is_new == True)
+        assert(descriptor.days_until_start == 4)
+
+    @patch('xmodule.course_module.time.gmtime')
+    def test_already_started(self, gmtime_mock):
+        gmtime_mock.return_value = NOW
+
+        descriptor = self.get_dummy_course(start='2012-12-02T12:00')
+        assert(descriptor.is_new == False)
+        assert(descriptor.days_until_start < 0)
+
+    @patch('xmodule.course_module.time.gmtime')
+    def test_is_new_set(self, gmtime_mock):
+        gmtime_mock.return_value = NOW
+
+        descriptor = self.get_dummy_course(start='2012-12-02T12:00', is_new=True)
+        assert(descriptor.is_new == True)
+        assert(descriptor.days_until_start < 0)
+
+        descriptor = self.get_dummy_course(start='2013-02-02T12:00', is_new=False)
+        assert(descriptor.is_new == False)
+        assert(descriptor.days_until_start > 0)
+
+        descriptor = self.get_dummy_course(start='2013-02-02T12:00', is_new=True)
+        assert(descriptor.is_new == True)
+        assert(descriptor.days_until_start > 0)

doc/development.md

@@ -23,7 +23,13 @@ Install the following:
 
 ### Databases
 
-Run the following to setup the relational database before starting servers:
+First start up the mongo daemon. E.g. to start it up in the background
+using a config file:
+
+    mongod --config /usr/local/etc/mongod.conf &
+
+Check out the course data directories that you want to work with into the
+`GITHUB_REPO_ROOT` (by default, `../data`). Then run the following command:
 
     rake resetdb
 
@@ -57,7 +63,11 @@ This runs all the tests (long, uses collectstatic):
 
 If if you aren't changing static files, can run `rake test` once, then run
 
-    rake fasttest_{lms,cms}
+    rake fasttest_lms
+
+or
+
+    rake fasttest_cms
     
 xmodule can be tested independently, with this:
 

lms/djangoapps/courseware/courses.py

@@ -255,35 +255,5 @@ def get_courses(user, domain=None):
     courses = branding.get_visible_courses(domain)
     courses = [c for c in courses if has_access(user, c, 'see_exists')]
 
-    # Add metadata about the start day and if the course is new
-    for course in courses:
-        days_to_start = _get_course_days_to_start(course)
-
-        metadata = course.metadata
-        metadata['days_to_start'] = days_to_start
-        metadata['is_new'] = course.metadata.get('is_new', days_to_start > 1)
-
     courses = sorted(courses, key=lambda course:course.number)
     return courses
-
-
-def _get_course_days_to_start(course):
-    from datetime import datetime as dt
-    from time import mktime, gmtime
-
-    convert_to_datetime = lambda ts: dt.fromtimestamp(mktime(ts))
-
-    start_date = convert_to_datetime(course.start)
-
-    # If the course has a valid advertised date, use that instead
-    advertised_start = course.metadata.get('advertised_start', None)
-    if advertised_start:
-        try:
-            start_date = dt.strptime(advertised_start, "%Y-%m-%dT%H:%M")
-        except ValueError:
-            pass # Invalid date, keep using course.start
-
-    now = convert_to_datetime(gmtime())
-    days_to_start = (start_date - now).days
-
-    return days_to_start

lms/djangoapps/courseware/views.py

@@ -70,7 +70,7 @@ def courses(request):
     courses = get_courses(request.user, domain=request.META.get('HTTP_HOST'))
 
     # Sort courses by how far are they from they start day
-    key = lambda course: course.metadata['days_to_start']
+    key = lambda course: course.days_until_start
     courses = sorted(courses, key=key, reverse=True)
 
     return render_to_response("courseware/courses.html", {'courses': courses})
@@ -439,7 +439,7 @@ def university_profile(request, org_id):
                                         domain=request.META.get('HTTP_HOST'))[org_id]
 
     # Sort courses by how far are they from they start day
-    key = lambda course: course.metadata['days_to_start']
+    key = lambda course: course.days_until_start
     courses = sorted(courses, key=key, reverse=True)
 
     context = dict(courses=courses, org_id=org_id)

lms/djangoapps/instructor/tests.py

@@ -25,7 +25,6 @@ from django_comment_client.models import Role, FORUM_ROLE_ADMINISTRATOR, \
     FORUM_ROLE_MODERATOR, FORUM_ROLE_COMMUNITY_TA, FORUM_ROLE_STUDENT
 from django_comment_client.utils import has_forum_access
 
-from instructor import staff_grading_service
 from courseware.access import _course_staff_group_name
 import courseware.tests.tests as ct
 from xmodule.modulestore.django import modulestore
@@ -101,7 +100,6 @@ def action_name(operation, rolename):
         return '{0} forum {1}'.format(operation, FORUM_ADMIN_ACTION_SUFFIX[rolename])
 
 
-_mock_service = staff_grading_service.MockStaffGradingService()
 
 @override_settings(MODULESTORE=ct.TEST_DATA_XML_MODULESTORE)
 class TestInstructorDashboardForumAdmin(ct.PageLoader):
@@ -224,94 +222,3 @@ class TestInstructorDashboardForumAdmin(ct.PageLoader):
             self.assertTrue(response.content.find('<td>{0}</td>'.format(roles))>=0, 'not finding roles "{0}"'.format(roles))
 
 
-@override_settings(MODULESTORE=ct.TEST_DATA_XML_MODULESTORE)
-class TestStaffGradingService(ct.PageLoader):
-    '''
-    Check that staff grading service proxy works.  Basically just checking the
-    access control and error handling logic -- all the actual work is on the
-    backend.
-    '''
-    def setUp(self):
-        xmodule.modulestore.django._MODULESTORES = {}
-
-        self.student = 'view@test.com'
-        self.instructor = 'view2@test.com'
-        self.password = 'foo'
-        self.location = 'TestLocation'
-        self.create_account('u1', self.student, self.password)
-        self.create_account('u2', self.instructor, self.password)
-        self.activate_user(self.student)
-        self.activate_user(self.instructor)
-        
-        self.course_id = "edX/toy/2012_Fall"
-        self.toy = modulestore().get_course(self.course_id)
-        def make_instructor(course):
-            group_name = _course_staff_group_name(course.location)
-            g = Group.objects.create(name=group_name)
-            g.user_set.add(ct.user(self.instructor))
-
-        make_instructor(self.toy)
-
-        self.mock_service = staff_grading_service.grading_service()
-
-        self.logout()
-
-    def test_access(self):
-        """
-        Make sure only staff have access.
-        """
-        self.login(self.student, self.password)
-
-        # both get and post should return 404
-        for view_name in ('staff_grading_get_next', 'staff_grading_save_grade'):
-            url = reverse(view_name, kwargs={'course_id': self.course_id})
-            self.check_for_get_code(404, url)
-            self.check_for_post_code(404, url)
-
-
-    def test_get_next(self):
-        self.login(self.instructor, self.password)
-
-        url = reverse('staff_grading_get_next', kwargs={'course_id': self.course_id})
-        data = {'location': self.location}
-
-        r = self.check_for_post_code(200, url, data)
-        d = json.loads(r.content)
-        self.assertTrue(d['success'])
-        self.assertEquals(d['submission_id'], self.mock_service.cnt)
-        self.assertIsNotNone(d['submission'])
-        self.assertIsNotNone(d['num_graded'])
-        self.assertIsNotNone(d['min_for_ml'])
-        self.assertIsNotNone(d['num_pending'])
-        self.assertIsNotNone(d['prompt'])
-        self.assertIsNotNone(d['ml_error_info'])
-        self.assertIsNotNone(d['max_score'])
-        self.assertIsNotNone(d['rubric'])
-
-
-    def test_save_grade(self):
-        self.login(self.instructor, self.password)
-
-        url = reverse('staff_grading_save_grade', kwargs={'course_id': self.course_id})
-
-        data = {'score': '12',
-                'feedback': 'great!',
-                'submission_id': '123',
-                'location': self.location}
-        r = self.check_for_post_code(200, url, data)
-        d = json.loads(r.content)
-        self.assertTrue(d['success'], str(d))
-        self.assertEquals(d['submission_id'], self.mock_service.cnt)
-
-    def test_get_problem_list(self):
-        self.login(self.instructor, self.password)
-
-        url = reverse('staff_grading_get_problem_list', kwargs={'course_id': self.course_id})
-        data = {}
-
-        r = self.check_for_post_code(200, url, data)
-        d = json.loads(r.content)
-        self.assertTrue(d['success'], str(d))
-        self.assertIsNotNone(d['problem_list'])
-
-

lms/djangoapps/instructor/views.py

@@ -28,7 +28,6 @@ from xmodule.modulestore.exceptions import InvalidLocationError, ItemNotFoundErr
 from xmodule.modulestore.search import path_to_location
 import track.views
 
-from .grading import StaffGrading
 
 
 log = logging.getLogger(__name__)
@@ -414,26 +413,6 @@ def get_student_grade_summary_data(request, course, course_id, get_grades=True,
 
 
 
-@cache_control(no_cache=True, no_store=True, must_revalidate=True)
-def staff_grading(request, course_id):
-    """
-    Show the instructor grading interface.
-    """
-    course = get_course_with_access(request.user, course_id, 'staff')
-
-    grading = StaffGrading(course)
-
-    ajax_url = reverse('staff_grading', kwargs={'course_id': course_id})
-    if not ajax_url.endswith('/'):
-        ajax_url += '/'
-        
-    return render_to_response('instructor/staff_grading.html', {
-        'view_html': grading.get_html(),
-        'course': course,
-        'course_id': course_id,
-        'ajax_url': ajax_url,
-        # Checked above
-        'staff_access': True, })
 
 
 @cache_control(no_cache=True, no_store=True, must_revalidate=True)

lms/djangoapps/open_ended_grading/grading_service.py

+# This class gives a common interface for logging into the grading controller
+import json
+import logging
+import requests
+from requests.exceptions import RequestException, ConnectionError, HTTPError
+import sys
+
+from django.conf import settings
+from django.http import HttpResponse, Http404
+
+from courseware.access import has_access
+from util.json_request import expect_json
+from xmodule.course_module import CourseDescriptor
+
+log = logging.getLogger(__name__)
+
+class GradingServiceError(Exception):
+    pass
+
+class GradingService(object):
+    """
+    Interface to staff grading backend.
+    """
+    def __init__(self, config):
+        self.username = config['username']
+        self.password = config['password']
+        self.url = config['url']
+        self.login_url = self.url + '/login/'
+        self.session = requests.session()
+
+    def _login(self):
+        """
+        Log into the staff grading service.
+
+        Raises requests.exceptions.HTTPError if something goes wrong.
+
+        Returns the decoded json dict of the response.
+        """
+        response = self.session.post(self.login_url,
+                                     {'username': self.username,
+                                      'password': self.password,})
+
+        response.raise_for_status()
+
+        return response.json
+
+    def post(self, url, data, allow_redirects=False): 
+        """
+        Make a post request to the grading controller
+        """
+        try:
+            op = lambda: self.session.post(url, data=data,
+                                           allow_redirects=allow_redirects)
+            r = self._try_with_login(op)
+        except (RequestException, ConnectionError, HTTPError) as err:
+            # reraise as promised GradingServiceError, but preserve stacktrace.
+            raise GradingServiceError, str(err), sys.exc_info()[2]
+
+        return r.text
+
+    def get(self, url, params, allow_redirects=False):
+        """
+        Make a get request to the grading controller
+        """
+        op = lambda: self.session.get(url,
+                                      allow_redirects=allow_redirects,
+                                      params=params)
+        try:
+            r = self._try_with_login(op)
+        except (RequestException, ConnectionError, HTTPError) as err:
+            # reraise as promised GradingServiceError, but preserve stacktrace.
+            raise GradingServiceError, str(err), sys.exc_info()[2]
+
+        return r.text
+        
+
+    def _try_with_login(self, operation):
+        """
+        Call operation(), which should return a requests response object.  If
+        the request fails with a 'login_required' error, call _login() and try
+        the operation again.
+
+        Returns the result of operation().  Does not catch exceptions.
+        """
+        response = operation()
+        if (response.json
+            and response.json.get('success') == False
+            and response.json.get('error') == 'login_required'):
+            # apparrently we aren't logged in.  Try to fix that.
+            r = self._login()
+            if r and not r.get('success'):
+                log.warning("Couldn't log into staff_grading backend. Response: %s",
+                            r)
+            # try again
+            response = operation()
+            response.raise_for_status()
+
+        return response
+

lms/djangoapps/instructor/staff_grading_service.py → lms/djangoapps/open_ended_grading/staff_grading_service.py

@@ -7,6 +7,8 @@ import logging
 import requests
 from requests.exceptions import RequestException, ConnectionError, HTTPError
 import sys
+from grading_service import GradingService
+from grading_service import GradingServiceError
 
 from django.conf import settings
 from django.http import HttpResponse, Http404
@@ -14,13 +16,11 @@ from django.http import HttpResponse, Http404
 from courseware.access import has_access
 from util.json_request import expect_json
 from xmodule.course_module import CourseDescriptor
+from student.models import unique_id_for_user
 
 log = logging.getLogger(__name__)
 
 
-class GradingServiceError(Exception):
-    pass
-
 
 class MockStaffGradingService(object):
     """
@@ -57,62 +57,16 @@ class MockStaffGradingService(object):
         return self.get_next(course_id, 'fake location', grader_id)
 
 
-class StaffGradingService(object):
+class StaffGradingService(GradingService):
     """
     Interface to staff grading backend.
     """
     def __init__(self, config):
-        self.username = config['username']
-        self.password = config['password']
-        self.url = config['url']
-
-        self.login_url = self.url + '/login/'
+        super(StaffGradingService, self).__init__(config)
         self.get_next_url = self.url + '/get_next_submission/'
         self.save_grade_url = self.url + '/save_grade/'
         self.get_problem_list_url = self.url + '/get_problem_list/'
 
-        self.session = requests.session()
-
-
-    def _login(self):
-        """
-        Log into the staff grading service.
-
-        Raises requests.exceptions.HTTPError if something goes wrong.
-
-        Returns the decoded json dict of the response.
-        """
-        response = self.session.post(self.login_url,
-                                     {'username': self.username,
-                                      'password': self.password,})
-
-        response.raise_for_status()
-
-        return response.json
-
-
-    def _try_with_login(self, operation):
-        """
-        Call operation(), which should return a requests response object.  If
-        the request fails with a 'login_required' error, call _login() and try
-        the operation again.
-
-        Returns the result of operation().  Does not catch exceptions.
-        """
-        response = operation()
-        if (response.json
-            and response.json.get('success') == False
-            and response.json.get('error') == 'login_required'):
-            # apparrently we aren't logged in.  Try to fix that.
-            r = self._login()
-            if r and not r.get('success'):
-                log.warning("Couldn't log into staff_grading backend. Response: %s",
-                            r)
-            # try again
-            response = operation()
-            response.raise_for_status()
-
-        return response
 
     def get_problem_list(self, course_id, grader_id):
         """
@@ -130,17 +84,8 @@ class StaffGradingService(object):
         Raises:
             GradingServiceError: something went wrong with the connection.
         """
-        op = lambda: self.session.get(self.get_problem_list_url,
-                                        allow_redirects = False,
-                                        params={'course_id': course_id,
-                                            'grader_id': grader_id})
-        try:
-            r = self._try_with_login(op)
-        except (RequestException, ConnectionError, HTTPError) as err:
-            # reraise as promised GradingServiceError, but preserve stacktrace.
-            raise GradingServiceError, str(err), sys.exc_info()[2]
-
-        return r.text
+        params = {'course_id': course_id,'grader_id': grader_id}
+        return self.get(self.get_problem_list_url, params)
 
 
     def get_next(self, course_id, location, grader_id):
@@ -161,17 +106,9 @@ class StaffGradingService(object):
         Raises:
             GradingServiceError: something went wrong with the connection.
         """
-        op = lambda: self.session.get(self.get_next_url,
-                                      allow_redirects=False,
+        return self.get(self.get_next_url,
                                       params={'location': location,
                                               'grader_id': grader_id})
-        try:
-            r = self._try_with_login(op)
-        except (RequestException, ConnectionError, HTTPError) as err:
-            # reraise as promised GradingServiceError, but preserve stacktrace.
-            raise GradingServiceError, str(err), sys.exc_info()[2]
-
-        return r.text
 
 
     def save_grade(self, course_id, grader_id, submission_id, score, feedback, skipped):
@@ -186,7 +123,6 @@ class StaffGradingService(object):
         Raises:
             GradingServiceError if there's a problem connecting.
         """
-        try:
         data = {'course_id': course_id,
                 'submission_id': submission_id,
                 'score': score,
@@ -194,20 +130,13 @@ class StaffGradingService(object):
                 'grader_id': grader_id,
                 'skipped': skipped}
 
-            op = lambda: self.session.post(self.save_grade_url, data=data,
-                                           allow_redirects=False)
-            r = self._try_with_login(op)
-        except (RequestException, ConnectionError, HTTPError) as err:
-            # reraise as promised GradingServiceError, but preserve stacktrace.
-            raise GradingServiceError, str(err), sys.exc_info()[2]
+        return self.post(self.save_grade_url, data=data)
 
-        return r.text
-
-# don't initialize until grading_service() is called--means that just
+# don't initialize until staff_grading_service() is called--means that just
 # importing this file doesn't create objects that may not have the right config
 _service = None
 
-def grading_service():
+def staff_grading_service():
     """
     Return a staff grading service instance--if settings.MOCK_STAFF_GRADING is True,
     returns a mock one, otherwise a real one.
@@ -248,7 +177,7 @@ def _check_access(user, course_id):
 def get_next(request, course_id):
     """
     Get the next thing to grade for course_id and with the location specified
-    in the .
+    in the request.
 
     Returns a json dict with the following keys:
 
@@ -276,11 +205,11 @@ def get_next(request, course_id):
     if len(missing) > 0:
         return _err_response('Missing required keys {0}'.format(
             ', '.join(missing)))
-    grader_id = request.user.id
+    grader_id = unique_id_for_user(request.user)
     p = request.POST
     location = p['location']
 
-    return HttpResponse(_get_next(course_id, request.user.id, location),
+    return HttpResponse(_get_next(course_id, grader_id, location),
                         mimetype="application/json")
 
 
@@ -308,12 +237,12 @@ def get_problem_list(request, course_id):
     """
     _check_access(request.user, course_id)
     try:
-        response = grading_service().get_problem_list(course_id, request.user.id)
+        response = staff_grading_service().get_problem_list(course_id, unique_id_for_user(request.user))
         return HttpResponse(response,
                 mimetype="application/json")
     except GradingServiceError:
         log.exception("Error from grading service.  server url: {0}"
-                      .format(grading_service().url))
+                      .format(staff_grading_service().url))
         return HttpResponse(json.dumps({'success': False,
                            'error': 'Could not connect to grading service'}))
 
@@ -323,10 +252,10 @@ def _get_next(course_id, grader_id, location):
     Implementation of get_next (also called from save_grade) -- returns a json string
     """
     try:
-        return grading_service().get_next(course_id, location, grader_id)
+        return staff_grading_service().get_next(course_id, location, grader_id)
     except GradingServiceError:
         log.exception("Error from grading service.  server url: {0}"
-                      .format(grading_service().url))
+                      .format(staff_grading_service().url))
         return json.dumps({'success': False,
                            'error': 'Could not connect to grading service'})
 
@@ -357,14 +286,14 @@ def save_grade(request, course_id):
         return _err_response('Missing required keys {0}'.format(
             ', '.join(missing)))
 
-    grader_id = request.user.id
+    grader_id = unique_id_for_user(request.user)
     p = request.POST
 
 
     location = p['location']
     skipped =  'skipped' in p
     try:
-        result_json = grading_service().save_grade(course_id,
+        result_json = staff_grading_service().save_grade(course_id,
                                           grader_id,
                                           p['submission_id'],
                                           p['score'],

lms/djangoapps/open_ended_grading/tests.py

+"""
+Tests for open ended grading interfaces
+
+django-admin.py test --settings=lms.envs.test --pythonpath=. lms/djangoapps/open_ended_grading
+"""
+
+from django.test import TestCase
+from open_ended_grading import staff_grading_service
+from django.core.urlresolvers import reverse
+from django.contrib.auth.models import Group
+
+from courseware.access import _course_staff_group_name
+import courseware.tests.tests as ct
+from xmodule.modulestore.django import modulestore
+import xmodule.modulestore.django
+from nose import SkipTest
+from mock import patch, Mock
+import json
+
+from override_settings import override_settings
+
+_mock_service = staff_grading_service.MockStaffGradingService()
+
+@override_settings(MODULESTORE=ct.TEST_DATA_XML_MODULESTORE)
+class TestStaffGradingService(ct.PageLoader):
+    '''
+    Check that staff grading service proxy works.  Basically just checking the
+    access control and error handling logic -- all the actual work is on the
+    backend.
+    '''
+    def setUp(self):
+        xmodule.modulestore.django._MODULESTORES = {}
+
+        self.student = 'view@test.com'
+        self.instructor = 'view2@test.com'
+        self.password = 'foo'
+        self.location = 'TestLocation'
+        self.create_account('u1', self.student, self.password)
+        self.create_account('u2', self.instructor, self.password)
+        self.activate_user(self.student)
+        self.activate_user(self.instructor)
+        
+        self.course_id = "edX/toy/2012_Fall"
+        self.toy = modulestore().get_course(self.course_id)
+        def make_instructor(course):
+            group_name = _course_staff_group_name(course.location)
+            g = Group.objects.create(name=group_name)
+            g.user_set.add(ct.user(self.instructor))
+
+        make_instructor(self.toy)
+
+        self.mock_service = staff_grading_service.staff_grading_service()
+
+        self.logout()
+
+    def test_access(self):
+        """
+        Make sure only staff have access.
+        """
+        self.login(self.student, self.password)
+
+        # both get and post should return 404
+        for view_name in ('staff_grading_get_next', 'staff_grading_save_grade'):
+            url = reverse(view_name, kwargs={'course_id': self.course_id})
+            self.check_for_get_code(404, url)
+            self.check_for_post_code(404, url)
+
+
+    def test_get_next(self):
+        self.login(self.instructor, self.password)
+
+        url = reverse('staff_grading_get_next', kwargs={'course_id': self.course_id})
+        data = {'location': self.location}
+
+        r = self.check_for_post_code(200, url, data)
+        d = json.loads(r.content)
+        self.assertTrue(d['success'])
+        self.assertEquals(d['submission_id'], self.mock_service.cnt)
+        self.assertIsNotNone(d['submission'])
+        self.assertIsNotNone(d['num_graded'])
+        self.assertIsNotNone(d['min_for_ml'])
+        self.assertIsNotNone(d['num_pending'])
+        self.assertIsNotNone(d['prompt'])
+        self.assertIsNotNone(d['ml_error_info'])
+        self.assertIsNotNone(d['max_score'])
+        self.assertIsNotNone(d['rubric'])
+
+
+    def test_save_grade(self):
+        self.login(self.instructor, self.password)
+
+        url = reverse('staff_grading_save_grade', kwargs={'course_id': self.course_id})
+
+        data = {'score': '12',
+                'feedback': 'great!',
+                'submission_id': '123',
+                'location': self.location}
+        r = self.check_for_post_code(200, url, data)
+        d = json.loads(r.content)
+        self.assertTrue(d['success'], str(d))
+        self.assertEquals(d['submission_id'], self.mock_service.cnt)
+
+    def test_get_problem_list(self):
+        self.login(self.instructor, self.password)
+
+        url = reverse('staff_grading_get_problem_list', kwargs={'course_id': self.course_id})
+        data = {}
+
+        r = self.check_for_post_code(200, url, data)
+        d = json.loads(r.content)
+        self.assertTrue(d['success'], str(d))
+        self.assertIsNotNone(d['problem_list'])

lms/djangoapps/open_ended_grading/views.py

+# Grading Views
+
+import logging
+import urllib
+
+from django.conf import settings
+from django.views.decorators.cache import cache_control
+from mitxmako.shortcuts import render_to_response
+from django.core.urlresolvers import reverse
+
+from student.models import unique_id_for_user
+from courseware.courses import get_course_with_access 
+
+from peer_grading_service import PeerGradingService
+from peer_grading_service import MockPeerGradingService
+from grading_service import GradingServiceError
+import json
+from .staff_grading import StaffGrading
+
+
+log = logging.getLogger(__name__)
+
+template_imports = {'urllib': urllib}
+if settings.MOCK_PEER_GRADING:
+    peer_gs = MockPeerGradingService() 
+else:
+    peer_gs = PeerGradingService(settings.PEER_GRADING_INTERFACE)
+
+"""
+Reverses the URL from the name and the course id, and then adds a trailing slash if
+it does not exist yet
+
+"""
+def _reverse_with_slash(url_name, course_id):
+    ajax_url = reverse(url_name, kwargs={'course_id': course_id})
+    if not ajax_url.endswith('/'):
+        ajax_url += '/'
+    return ajax_url
+
+
+@cache_control(no_cache=True, no_store=True, must_revalidate=True)
+def staff_grading(request, course_id):
+    """
+    Show the instructor grading interface.
+    """
+    course = get_course_with_access(request.user, course_id, 'staff')
+
+    ajax_url = _reverse_with_slash('staff_grading', course_id)
+        
+    return render_to_response('instructor/staff_grading.html', {
+        'course': course,
+        'course_id': course_id,
+        'ajax_url': ajax_url,
+        # Checked above
+        'staff_access': True, })
+
+
+@cache_control(no_cache=True, no_store=True, must_revalidate=True)
+def peer_grading(request, course_id):
+    '''
+    Show a peer grading interface
+    '''
+    course = get_course_with_access(request.user, course_id, 'load')
+
+    # call problem list service
+    success = False
+    error_text = ""
+    problem_list = []
+    try:
+        problem_list_json = peer_gs.get_problem_list(course_id, unique_id_for_user(request.user))
+        problem_list_dict = json.loads(problem_list_json)
+        success = problem_list_dict['success']
+        if 'error' in problem_list_dict:
+            error_text = problem_list_dict['error']
+
+        problem_list = problem_list_dict['problem_list']
+
+    except GradingServiceError:
+        error_text = "Error occured while contacting the grading service"
+        success = False
+    # catch error if if the json loads fails
+    except ValueError:
+        error_text = "Could not get problem list"
+        success = False
+
+    ajax_url = _reverse_with_slash('peer_grading', course_id)
+
+    return render_to_response('peer_grading/peer_grading.html', { 
+        'course': course,
+        'course_id': course_id,
+        'ajax_url': ajax_url,
+        'success': success,
+        'problem_list': problem_list,
+        'error_text': error_text,
+        # Checked above
+        'staff_access': False, })
+    
+
+@cache_control(no_cache=True, no_store=True, must_revalidate=True)
+def peer_grading_problem(request, course_id):
+    '''
+    Show individual problem interface
+    '''
+    course = get_course_with_access(request.user, course_id, 'load')
+    problem_location = request.GET.get("location")
+
+    ajax_url = _reverse_with_slash('peer_grading', course_id)
+
+    return render_to_response('peer_grading/peer_grading_problem.html', { 
+        'view_html': '',
+        'course': course,
+        'problem_location': problem_location,
+        'course_id': course_id,
+        'ajax_url': ajax_url,
+        # Checked above
+        'staff_access': False, })
+    
+

lms/envs/common.py

@@ -332,6 +332,9 @@ STAFF_GRADING_INTERFACE = None
 # Used for testing, debugging
 MOCK_STAFF_GRADING = False
 
+################################# Peer grading config  #####################
+PEER_GRADING_INTERFACE = None
+MOCK_PEER_GRADING = False
 
 ################################# Jasmine ###################################
 JASMINE_TEST_DIRECTORY = PROJECT_ROOT + '/static/coffee'
@@ -410,9 +413,8 @@ main_vendor_js = [
 ]
 
 discussion_js = sorted(rooted_glob(PROJECT_ROOT / 'static', 'coffee/src/discussion/**/*.coffee'))
-
-
 staff_grading_js = sorted(rooted_glob(PROJECT_ROOT / 'static', 'coffee/src/staff_grading/**/*.coffee'))
+peer_grading_js = sorted(rooted_glob(PROJECT_ROOT / 'static','coffee/src/peer_grading/**/*.coffee'))
 
 PIPELINE_CSS = {
     'application': {
@@ -438,11 +440,12 @@ PIPELINE_CSS = {
 PIPELINE_ALWAYS_RECOMPILE = ['sass/application.scss', 'sass/ie.scss', 'sass/course.scss']
 PIPELINE_JS = {
     'application': {
+
         # Application will contain all paths not in courseware_only_js
         'source_filenames': sorted(
             set(rooted_glob(COMMON_ROOT / 'static', 'coffee/src/**/*.coffee') +
                 rooted_glob(PROJECT_ROOT / 'static', 'coffee/src/**/*.coffee')) -
-            set(courseware_js + discussion_js + staff_grading_js) 
+            set(courseware_js + discussion_js + staff_grading_js + peer_grading_js) 
         ) + [
             'js/form.ext.js',
             'js/my_courses_dropdown.js',
@@ -471,8 +474,11 @@ PIPELINE_JS = {
     'staff_grading' : {
         'source_filenames': staff_grading_js,
         'output_filename': 'js/staff_grading.js'
+    },
+    'peer_grading' : {
+        'source_filenames': peer_grading_js,
+        'output_filename': 'js/peer_grading.js'
     }
-
 }
 
 PIPELINE_DISABLE_WRAPPER = True
@@ -545,6 +551,7 @@ INSTALLED_APPS = (
     'util',
     'certificates',
     'instructor',
+    'open_ended_grading',
     'psychometrics',
     'licenses',
 

lms/envs/dev.py

@@ -114,6 +114,13 @@ STAFF_GRADING_INTERFACE = {
     'password': 'abcd',
     }
 
+################################# Peer grading config  #####################
+
+PEER_GRADING_INTERFACE = {
+    'url': 'http://127.0.0.1:3033/peer_grading',
+    'username': 'lms',
+    'password': 'abcd',
+    }
 ################################ LMS Migration #################################
 MITX_FEATURES['ENABLE_LMS_MIGRATION'] = True
 MITX_FEATURES['ACCESS_REQUIRE_STAFF_FOR_COURSE'] = False   # require that user be in the staff_* group to be able to enroll

lms/envs/test.py

@@ -62,6 +62,7 @@ XQUEUE_WAITTIME_BETWEEN_REQUESTS = 5 # seconds
 
 # Don't rely on a real staff grading backend
 MOCK_STAFF_GRADING = True
+MOCK_PEER_GRADING = True
 
 # TODO (cpennington): We need to figure out how envs/test.py can inject things
 # into common.py so that we don't have to repeat this sort of thing

lms/lib/symmath/formula.py

@@ -422,7 +422,8 @@ class formula(object):
 
     def GetContentMathML(self, asciimath, mathml):
         # URL = 'http://192.168.1.2:8080/snuggletex-webapp-1.2.2/ASCIIMathMLUpConversionDemo'
-        URL = 'http://127.0.0.1:8080/snuggletex-webapp-1.2.2/ASCIIMathMLUpConversionDemo'
+        # URL = 'http://127.0.0.1:8080/snuggletex-webapp-1.2.2/ASCIIMathMLUpConversionDemo'
+        URL = 'https://math-xserver.mitx.mit.edu/snuggletex-webapp-1.2.2/ASCIIMathMLUpConversionDemo'
 
         if 1:
             payload = {'asciiMathInput': asciimath,
@@ -430,7 +431,7 @@ class formula(object):
                        #'asciiMathML':unicode(mathml).encode('utf-8'),
                        }
             headers = {'User-Agent': "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.13) Gecko/20080311 Firefox/2.0.0.13"}
-            r = requests.post(URL, data=payload, headers=headers)
+            r = requests.post(URL, data=payload, headers=headers, verify=False)
             r.encoding = 'utf-8'
             ret = r.text
             #print "encoding: ",r.encoding

lms/static/coffee/src/peer_grading/peer_grading.coffee

+# This is a simple class that just hides the error container
+# and message container when they are empty
+# Can (and should be) expanded upon when our problem list 
+# becomes more sophisticated
+class PeerGrading
+  constructor: () ->
+    @error_container = $('.error-container')
+    @error_container.toggle(not @error_container.is(':empty'))
+
+    @message_container = $('.message-container')
+    @message_container.toggle(not @message_container.is(':empty'))
+
+$(document).ready(() -> new PeerGrading())

lms/static/sass/course/_staff_grading.scss

-div.staff-grading {
+div.staff-grading,
+div.peer-grading{
     textarea.feedback-area {
         height: 75px;
         margin: 20px;
@@ -36,8 +37,8 @@ div.staff-grading {
     }
 
     .prompt-information-container,
-    .submission-wrapper,
     .rubric-wrapper,
+    .calibration-feedback-wrapper,
     .grading-container
     {
         border: 1px solid gray;
@@ -49,6 +50,18 @@ div.staff-grading {
         padding: 15px;
         margin-left: 0px;
     }
+    .submission-wrapper
+    {
+        h3
+        {
+            margin-bottom: 15px;
+        }
+        p
+        {
+            margin-left:10px;
+        }
+        padding: 15px;
+    }
     .meta-info-wrapper
     {
         background-color: #eee;
@@ -67,7 +80,8 @@ div.staff-grading {
             }
         }
     }
-    .message-container
+    .message-container,
+    .grading-message
     {
         background-color: $yellow;
         padding: 10px;
@@ -82,5 +96,68 @@ div.staff-grading {
         font-size: .8em;
     }
 
+    .instructions-panel
+    {
+
+        margin-right:20px;
+        > div
+        {
+            padding: 10px;
+            margin: 0px;
+            background: #eee;
+            height: 10em;
+            h3
+            {
+                text-align:center;
+                text-transform:uppercase;
+                color: #777;
+            }
+            p
+            {
+                color: #777;
+            }
+        }
+        .calibration-panel
+        {
+            float:left;
+            width:48%;
+        }
+        .grading-panel
+        {
+            float:right;
+            width: 48%;
+        }
+        .current-state
+        {
+            background: #1D9DD9;
+            h3, p
+            {
+                color: white;
+            }
+        }
+        @include clearfix;
+    }
+
+
+    .collapsible
+    {
+        margin-left: 0px;
+        header
+        {
+            margin-top:20px;
+            margin-bottom:20px;
+            font-size: 1.2em;
+        }
+    }
+    
+    .interstitial-page
+    {
+        text-align: center;
+        input[type=button]
+        {
+            margin-top: 20px;
+        }
+    }
     padding: 40px;
 }
+

lms/templates/course.html

@@ -5,7 +5,7 @@
 %>
 <%page args="course" />
 <article id="${course.id}" class="course">
-  %if course.metadata.get('is_new'):
+  %if course.is_new:
     <span class="status">New</span>
   %endif
   <a href="${reverse('about_course', args=[course.id])}">

lms/templates/instructor/staff_grading.html

@@ -24,6 +24,8 @@
 </div>
 <div class="message-container">
 </div>
+
+<! -- Problem List View -->
 <section class="problem-list-container">
 <h2>Instructions</h2>
 <div class="instructions">
@@ -35,6 +37,8 @@
     </ul>
 </section>
 
+<!-- Grading View -->
+
 <section class="prompt-wrapper">
     <h2 class="prompt-name"></h2>
     <div class="meta-info-wrapper">

lms/templates/peer_grading/peer_grading.html

+<%inherit file="/main.html" />
+<%block name="bodyclass">${course.css_class}</%block>
+<%namespace name='static' file='/static_content.html'/>
+
+<%block name="headextra">
+  <%static:css group='course'/>
+</%block>
+
+<%block name="title"><title>${course.number} Peer Grading</title></%block>
+
+<%include file="/courseware/course_navigation.html" args="active_page='staff_grading'" />
+
+<%block name="js_extra">
+  <%static:js group='peer_grading'/>
+</%block>
+
+<section class="container">
+    <div class="peer-grading" data-ajax_url="${ajax_url}">
+        <div class="error-container">${error_text}</div>
+        <h1>Peer Grading</h1>
+        <h2>Instructions</h2>
+        <p>Here are a list of problems that need to be peer graded for this course.</p>
+        % if success:
+            % if len(problem_list) == 0:
+            <div class="message-container">
+                Nothing to grade!
+            </div>
+            %else:
+                <ul class="problem-list">
+                %for problem in problem_list:
+                    <li>
+                    <a href="${ajax_url}problem?location=${problem['location']}">${problem['problem_name']} (${problem['num_graded']} graded, ${problem['num_pending']} pending)</a>
+                    </li>
+                %endfor
+                </ul>
+            %endif
+        %endif
+    </div>
+</section>

lms/templates/peer_grading/peer_grading_problem.html

+
+<%inherit file="/main.html" />
+<%block name="bodyclass">${course.css_class}</%block>
+<%namespace name='static' file='/static_content.html'/>
+
+<%block name="headextra">
+  <%static:css group='course'/>
+</%block>
+
+<%block name="title"><title>${course.number} Peer Grading.</title></%block>
+
+<%include file="/courseware/course_navigation.html" args="active_page='staff_grading'" />
+
+<%block name="js_extra">
+  <%static:js group='peer_grading'/>
+</%block>
+
+
+<section class="container">
+    <div class="peer-grading" data-ajax_url="${ajax_url}" data-location="${problem_location}">
+        <div class="error-container"></div>
+
+        <section class="content-panel">
+        <h1>Peer Grading </h1>
+        <div class="instructions-panel">
+            <div class="calibration-panel">
+                <h3>Learning to Grade</h3>
+                <div class="calibration-text">
+                    <p>Before you can do any proper peer grading, you first need to understand how your own grading compares to that of the instrutor. Once your grades begin to match the instructor's, you will move on to grading your peers!</p>
+                </div>
+                <div class="grading-text">
+                    <p>You have successfully managed to calibrate your answers to that of the instructors and have moved onto the next step in the peer grading process.</p>
+                </div>
+            </div>
+            <div class="grading-panel">
+                <h3>Grading</h3>
+                <div class="calibration-text">
+                    <p>You cannot start grading until you have graded a sufficient number of training problems and have been able to demonstrate that your scores closely match that of the instructor.</p>
+                </div>
+                <div class="grading-text">
+                    <p>Now that you have finished your training, you are now allowed to grade your peers. Please keep in mind that students are allowed to respond to the grades and feedback they receive.</p>
+                </div>
+            </div>
+        </div>
+
+        <div class="prompt-wrapper">
+            <div class="prompt-information-container collapsible">
+                <header><a href="javascript:void(0)">Question</a></header>
+                <section>
+                <div class="prompt-container">
+                </div>
+            </section>
+            </div>
+            <div class="rubric-wrapper collapsible">
+                <header><a href="javascript:void(0)">Rubric</a></header>
+                <section>
+                <div class="rubric-container">
+                </div>
+            </section>
+            </div>
+
+    </div>
+
+
+    <section class="grading-wrapper">
+    <h2>Grading</h2>
+
+    <div class="grading-container">
+        <div class="submission-wrapper">
+            <h3></h3>
+            <div class="submission-container">
+            </div>
+            <input type="hidden" name="submission-key" value="" />
+            <input type="hidden" name="essay-id" value="" />
+        </div>
+        <div class="evaluation">
+          <p class="score-selection-container">
+          </p>
+          <textarea name="feedback" placeholder="Feedback for student (optional)"
+                    class="feedback-area" cols="70" ></textarea>
+        </div>
+          
+
+        <div class="submission">
+            <input type="button" value="Submit" class="submit-button" name="show"/>
+        </div>
+
+    </div>
+    <div class="grading-message">
+    </div>
+
+    </section>
+    </section>
+
+    <!-- Calibration feedback: Shown after a calibration is sent -->
+    <section class="calibration-feedback">
+    <h2>How did I do?</h2>
+    <div class="calibration-feedback-wrapper">
+    </div>
+        <input type="button" class="calibration-feedback-button" value="Continue" name="calibration-feedback-button" />
+    </section>
+
+    <!-- Interstitial Page: Shown between calibration and grading steps -->
+    <section class="interstitial-page">
+        <h1>Congratulations!</h1>
+        <p> You have now completed the calibration step. You are now ready to start grading.</p>
+        <input type="button" class="interstitial-page-button" value="Start Grading!" name="interstitial-page-button" />
+    </section>
+
+    <input type="button" value="Go Back" class="action-button" name="back" />
+    </div>
+</section>

lms/templates/static_templates/faq.html

@@ -21,7 +21,7 @@
         <article class="response">
           <h3>What is edX?</h3>
           <p>edX is a not-for-profit enterprise of its founding partners, the Massachusetts Institute of Technology (MIT) and Harvard University that offers online learning to on-campus students and to millions of people around the world. To do so, edX is building an open-source online learning platform and hosts an online web portal at <a href="http://www.edx.org">www.edx.org</a> for online education.</p>
-          <p>EdX currently offers HarvardX, <em>MITx</em> and BerkeleyX classes online for free. Beginning in fall 2013, edX will offer WellesleyX and GeorgetownX classes online for free. The University of Texas System includes nine universities and six health institutions. The edX institutions aim to extend their collective reach to build a global community of online students. Along with offering online courses, the three universities undertake research on how students learn and how technology can transform learning – both on-campus and online throughout the world.</p>
+          <p>EdX currently offers HarvardX, <em>MITx</em> and BerkeleyX classes online for free. Beginning in fall 2013, edX will offer WellesleyX and GeorgetownX classes online for free. The University of Texas System includes nine universities and six health institutions. The edX institutions aim to extend their collective reach to build a global community of online students. Along with offering online courses, the three universities undertake research on how students learn and how technology can transform learning both on-campus and online throughout the world.</p>
         </article>
 
         <article class="response">

lms/templates/static_templates/jobs.html

@@ -38,7 +38,7 @@
         <div class="inner-wrapper">
           <h3>EdX is looking to add new talent to our team! </h3>
           <p align="center"><em>Our mission is to give a world-class education to everyone, everywhere, regardless of gender, income or social status</em></p>
-          <p>Today, EdX.org, a not-for-profit provides hundreds of thousands of people from around the globe with access free education.&nbsp; We offer amazing quality classes by the best professors from the best schools. We enable our members to uncover a new passion that will transform their lives and their communities.</p>
+          <p>Today, EdX.org, a not-for-profit provides hundreds of thousands of people from around the globe with access to free education.&nbsp; We offer amazing quality classes by the best professors from the best schools. We enable our members to uncover a new passion that will transform their lives and their communities.</p>
           <p>Around the world-from coast to coast, in over 192 countries, people are making the decision to take one or several of our courses. As we continue to grow our operations, we are looking for talented, passionate people with great ideas to join the edX team. We aim to create an environment that is supportive, diverse, and as fun as our brand. If you're results-oriented, dedicated, and ready to contribute to an unparalleled member experience for our community, we really want you to apply.</p>
           <p>As part of the edX team, you&rsquo;ll receive:</p>
           <ul>

lms/urls.py

@@ -243,15 +243,32 @@ if settings.COURSEWARE_ENABLED:
         url(r'^courses/(?P<course_id>[^/]+/[^/]+/[^/]+)/enroll_students$',
             'instructor.views.enroll_students', name='enroll_students'),
         url(r'^courses/(?P<course_id>[^/]+/[^/]+/[^/]+)/staff_grading$',
-            'instructor.views.staff_grading', name='staff_grading'),
+            'open_ended_grading.views.staff_grading', name='staff_grading'),
         url(r'^courses/(?P<course_id>[^/]+/[^/]+/[^/]+)/staff_grading/get_next$',
-            'instructor.staff_grading_service.get_next', name='staff_grading_get_next'),
+            'open_ended_grading.staff_grading_service.get_next', name='staff_grading_get_next'),
         url(r'^courses/(?P<course_id>[^/]+/[^/]+/[^/]+)/staff_grading/save_grade$',
-            'instructor.staff_grading_service.save_grade', name='staff_grading_save_grade'),
+            'open_ended_grading.staff_grading_service.save_grade', name='staff_grading_save_grade'),
         url(r'^courses/(?P<course_id>[^/]+/[^/]+/[^/]+)/staff_grading/save_grade$',
-            'instructor.staff_grading_service.save_grade', name='staff_grading_save_grade'),
+            'open_ended_grading.staff_grading_service.save_grade', name='staff_grading_save_grade'),
         url(r'^courses/(?P<course_id>[^/]+/[^/]+/[^/]+)/staff_grading/get_problem_list$',
-            'instructor.staff_grading_service.get_problem_list', name='staff_grading_get_problem_list'),
+            'open_ended_grading.staff_grading_service.get_problem_list', name='staff_grading_get_problem_list'),
+
+
+        # Peer Grading
+        url(r'^courses/(?P<course_id>[^/]+/[^/]+/[^/]+)/peer_grading$',
+            'open_ended_grading.views.peer_grading', name='peer_grading'),
+        url(r'^courses/(?P<course_id>[^/]+/[^/]+/[^/]+)/peer_grading/problem$',
+            'open_ended_grading.views.peer_grading_problem', name='peer_grading_problem'),
+        url(r'^courses/(?P<course_id>[^/]+/[^/]+/[^/]+)/peer_grading/get_next_submission$',
+            'open_ended_grading.peer_grading_service.get_next_submission', name='peer_grading_get_next_submission'),
+        url(r'^courses/(?P<course_id>[^/]+/[^/]+/[^/]+)/peer_grading/show_calibration_essay$',
+            'open_ended_grading.peer_grading_service.show_calibration_essay', name='peer_grading_show_calibration_essay'),
+        url(r'^courses/(?P<course_id>[^/]+/[^/]+/[^/]+)/peer_grading/is_student_calibrated$',
+            'open_ended_grading.peer_grading_service.is_student_calibrated', name='peer_grading_is_student_calibrated'),
+        url(r'^courses/(?P<course_id>[^/]+/[^/]+/[^/]+)/peer_grading/save_grade$',
+            'open_ended_grading.peer_grading_service.save_grade', name='peer_grading_save_grade'),
+        url(r'^courses/(?P<course_id>[^/]+/[^/]+/[^/]+)/peer_grading/save_calibration_essay$',
+            'open_ended_grading.peer_grading_service.save_calibration_essay', name='peer_grading_save_calibration_essay'),
     )
 
     # discussion forums live within courseware, so courseware must be enabled first