Merge pull request #1840 from MITx/fix/cdodge/export-draft-modules

Fix/cdodge/export draft modules

cms/djangoapps/contentstore/tests/test_contentstore.py

@@ -11,6 +11,7 @@ import json
 from fs.osfs import OSFS
 import copy
 from json import loads
+import traceback
 
 from django.contrib.auth.models import User
 from contentstore.utils import get_modulestore
@@ -215,13 +216,12 @@ class ContentStoreToyCourseTest(ModuleStoreTestCase):
         module_store = modulestore('direct')
         found = False
 
-        item = None
         items = module_store.get_items(['i4x', 'edX', 'full', 'poll_question', None, None])
         found = len(items) > 0
 
         self.assertTrue(found)
         # check that there's actually content in the 'question' field
-        self.assertGreater(len(items[0].question),0)
+        self.assertGreater(len(items[0].question), 0)
 
     def test_xlint_fails(self):
         err_cnt = perform_xlint('common/test/data', ['full'])
@@ -234,7 +234,7 @@ class ContentStoreToyCourseTest(ModuleStoreTestCase):
 
         sequential = module_store.get_item(Location(['i4x', 'edX', 'full', 'sequential', 'Administrivia_and_Circuit_Elements', None]))
 
-        chapter = module_store.get_item(Location(['i4x', 'edX', 'full', 'chapter','Week_1', None]))
+        chapter = module_store.get_item(Location(['i4x', 'edX', 'full', 'chapter', 'Week_1', None]))
 
         # make sure the parent no longer points to the child object which was deleted
         self.assertTrue(sequential.location.url() in chapter.children)
@@ -252,7 +252,7 @@ class ContentStoreToyCourseTest(ModuleStoreTestCase):
 
         self.assertFalse(found)
 
-        chapter = module_store.get_item(Location(['i4x', 'edX', 'full', 'chapter','Week_1', None]))
+        chapter = module_store.get_item(Location(['i4x', 'edX', 'full', 'chapter', 'Week_1', None]))
 
         # make sure the parent no longer points to the child object which was deleted
         self.assertFalse(sequential.location.url() in chapter.children)
@@ -275,7 +275,6 @@ class ContentStoreToyCourseTest(ModuleStoreTestCase):
         import_from_xml(modulestore(), 'common/test/data/', ['full'])
 
         module_store = modulestore('direct')
-        content_store = contentstore()
 
         source_location = CourseDescriptor.id_to_location('edX/full/6.002_Spring_2012')
         course = module_store.get_item(source_location)
@@ -347,17 +346,44 @@ class ContentStoreToyCourseTest(ModuleStoreTestCase):
 
     def test_export_course(self):
         module_store = modulestore('direct')
+        draft_store = modulestore('draft')
         content_store = contentstore()
 
         import_from_xml(module_store, 'common/test/data/', ['full'])
         location = CourseDescriptor.id_to_location('edX/full/6.002_Spring_2012')
 
+        # get a vertical (and components in it) to put into 'draft'
+        vertical = module_store.get_item(Location(['i4x', 'edX', 'full',
+                                         'vertical', 'vertical_66', None]), depth=1)
+
+        draft_store.clone_item(vertical.location, vertical.location)
+
+        for child in vertical.get_children():
+            draft_store.clone_item(child.location, child.location)           
+
         root_dir = path(mkdtemp_clean())
 
+        # now create a private vertical
+        private_vertical = draft_store.clone_item(vertical.location,
+                                                  Location(['i4x', 'edX', 'full', 'vertical', 'a_private_vertical', None]))
+
+        # add private to list of children
+        sequential = module_store.get_item(Location(['i4x', 'edX', 'full',
+                                           'sequential', 'Administrivia_and_Circuit_Elements', None]))
+        private_location_no_draft = private_vertical.location._replace(revision=None)
+        module_store.update_children(sequential.location, sequential.children +
+                                     [private_location_no_draft.url()])
+
+        # read back the sequential, to make sure we have a pointer to 
+        sequential = module_store.get_item(Location(['i4x', 'edX', 'full',
+                                                     'sequential', 'Administrivia_and_Circuit_Elements', None]))
+
+        self.assertIn(private_location_no_draft.url(), sequential.children)
+
         print 'Exporting to tempdir = {0}'.format(root_dir)
 
         # export out to a tempdir
-        export_to_xml(module_store, content_store, location, root_dir, 'test_export')
+        export_to_xml(module_store, content_store, location, root_dir, 'test_export', draft_modulestore=draft_store)
 
         # check for static tabs
         self.verify_content_existence(module_store, root_dir, location, 'tabs', 'static_tab', '.html')
@@ -391,20 +417,36 @@ class ContentStoreToyCourseTest(ModuleStoreTestCase):
         delete_course(module_store, content_store, location)
 
         # reimport
-        import_from_xml(module_store, root_dir, ['test_export'])
+        import_from_xml(module_store, root_dir, ['test_export'], draft_store=draft_store)
 
         items = module_store.get_items(Location(['i4x', 'edX', 'full', 'vertical', None]))
         self.assertGreater(len(items), 0)
         for descriptor in items:
+            # don't try to look at private verticals. Right now we're running
+            # the service in non-draft aware
+            if getattr(descriptor, 'is_draft', False):
                 print "Checking {0}....".format(descriptor.location.url())
                 resp = self.client.get(reverse('edit_unit', kwargs={'location': descriptor.location.url()}))
                 self.assertEqual(resp.status_code, 200)
 
+        # verify that we have the content in the draft store as well
+        vertical = draft_store.get_item(Location(['i4x', 'edX', 'full',
+                                                  'vertical', 'vertical_66', None]), depth=1)
+
+        self.assertTrue(getattr(vertical, 'is_draft', False))
+        for child in vertical.get_children():
+            self.assertTrue(getattr(child, 'is_draft', False))
+
+        # verify that we have the private vertical
+        test_private_vertical = draft_store.get_item(Location(['i4x', 'edX', 'full',
+                                                               'vertical', 'vertical_66', None]))
+
+        self.assertTrue(getattr(test_private_vertical, 'is_draft', False))
+
         shutil.rmtree(root_dir)
 
     def test_course_handouts_rewrites(self):
         module_store = modulestore('direct')
-        content_store = contentstore()
 
         # import a test course
         import_from_xml(module_store, 'common/test/data/', ['full'])
@@ -440,8 +482,8 @@ class ContentStoreToyCourseTest(ModuleStoreTestCase):
                                   'Administrivia_and_Circuit_Elements', None]) in course.system.module_data)
 
         # make sure we don't have a specific vertical which should be at depth=3
-        self.assertFalse(Location(['i4x', 'edX', 'full', 'vertical', 'vertical_58',
-            None]) in course.system.module_data)
+        self.assertFalse(Location(['i4x', 'edX', 'full', 'vertical', 'vertical_58', None])
+                         in course.system.module_data)
 
     def test_export_course_with_unknown_metadata(self):
         module_store = modulestore('direct')
@@ -468,10 +510,12 @@ class ContentStoreToyCourseTest(ModuleStoreTestCase):
             export_to_xml(module_store, content_store, location, root_dir, 'test_export')
             exported = True
         except Exception:
+            print 'Exception thrown: {0}'.format(traceback.format_exc())
             pass
 
         self.assertTrue(exported)
 
+
 class ContentStoreTest(ModuleStoreTestCase):
     """
     Tests for the CMS ContentStore application.

cms/djangoapps/contentstore/views.py

@@ -1586,7 +1586,8 @@ def import_course(request, org, course, name):
                 shutil.move(r / fname, course_dir)
 
         module_store, course_items = import_from_xml(modulestore('direct'), settings.GITHUB_REPO_ROOT,
-            [course_subdir], load_error_modules=False, static_content_store=contentstore(), target_location_namespace=Location(location))
+            [course_subdir], load_error_modules=False, static_content_store=contentstore(), 
+            target_location_namespace=Location(location), draft_store=modulestore())
 
         # we can blow this away when we're done importing.
         shutil.rmtree(course_dir)
@@ -1620,8 +1621,8 @@ def generate_export_course(request, org, course, name):
 
     logging.debug('root = {0}'.format(root_dir))
 
-    export_to_xml(modulestore('direct'), contentstore(), loc, root_dir, name)
-    # filename = root_dir / name + '.tar.gz'
+    export_to_xml(modulestore('direct'), contentstore(), loc, root_dir, name, modulestore())
+    #filename = root_dir / name + '.tar.gz'
 
     logging.debug('tar file being generated at {0}'.format(export_file.name))
     tf = tarfile.open(name=export_file.name, mode='w:gz')

common/lib/xmodule/xmodule/html_module.py

@@ -118,8 +118,8 @@ class HtmlDescriptor(HtmlFields, XmlDescriptor, EditingDescriptor):
                 with system.resources_fs.open(filepath) as file:
                     html = file.read().decode('utf-8')
                     # Log a warning if we can't parse the file, but don't error
-                    if not check_html(html):
-                        msg = "Couldn't parse html in {0}.".format(filepath)
+                    if not check_html(html) and len(html) > 0:
+                        msg = "Couldn't parse html in {0}, content = {1}".format(filepath, html)
                         log.warning(msg)
                         system.error_tracker("Warning: " + msg)
 
@@ -156,7 +156,8 @@ class HtmlDescriptor(HtmlFields, XmlDescriptor, EditingDescriptor):
 
         resource_fs.makedir(os.path.dirname(filepath), recursive=True, allow_recreate=True)
         with resource_fs.open(filepath, 'w') as file:
-            file.write(self.data.encode('utf-8'))
+            html_data = self.data.encode('utf-8')
+            file.write(html_data)
 
         # write out the relative name
         relname = path(pathname).basename()

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

@@ -3,7 +3,6 @@ from datetime import datetime
 from . import ModuleStoreBase, Location, namedtuple_to_son
 from .exceptions import ItemNotFoundError
 from .inheritance import own_metadata
-import logging
 
 DRAFT = 'draft'
 
@@ -107,7 +106,7 @@ class DraftModuleStore(ModuleStoreBase):
         """
         return wrap_draft(super(DraftModuleStore, self).clone_item(source, as_draft(location)))
 
-    def update_item(self, location, data):
+    def update_item(self, location, data, allow_not_found=False):
         """
         Set the data in the item specified by the location to
         data
@@ -116,9 +115,13 @@ class DraftModuleStore(ModuleStoreBase):
         data: A nested dictionary of problem data
         """
         draft_loc = as_draft(location)
+        try:
             draft_item = self.get_item(location)
             if not getattr(draft_item, 'is_draft', False):
                 self.clone_item(location, draft_loc)
+        except ItemNotFoundError, e:
+            if not allow_not_found:
+                raise e
 
         return super(DraftModuleStore, self).update_item(draft_loc, data)
 
@@ -164,7 +167,6 @@ class DraftModuleStore(ModuleStoreBase):
         """
         return super(DraftModuleStore, self).delete_item(as_draft(location))
 
-
     def get_parent_locations(self, location, course_id):
         '''Find all locations that are the parents of this location.  Needed
         for path_to_location().
@@ -178,6 +180,7 @@ class DraftModuleStore(ModuleStoreBase):
         Save a current draft to the underlying modulestore
         """
         draft = self.get_item(location)
+
         draft.cms.published_date = datetime.utcnow()
         draft.cms.published_by = published_by_id
         super(DraftModuleStore, self).update_item(location, draft._model_data._kvs._data)

common/lib/xmodule/xmodule/modulestore/xml_exporter.py

 import logging
 from xmodule.modulestore import Location
-from xmodule.modulestore.django import modulestore
 from xmodule.modulestore.inheritance import own_metadata
 from fs.osfs import OSFS
 from json import dumps
 
 
-def export_to_xml(modulestore, contentstore, course_location, root_dir, course_dir):
+def export_to_xml(modulestore, contentstore, course_location, root_dir, course_dir, draft_modulestore=None):
 
     course = modulestore.get_item(course_location)
 
@@ -40,6 +39,24 @@ def export_to_xml(modulestore, contentstore, course_location, root_dir, course_d
         policy = {'course/' + course.location.name: own_metadata(course)}
         course_policy.write(dumps(policy))
 
+    # export draft content
+    # NOTE: this code assumes that verticals are the top most draftable container
+    # should we change the application, then this assumption will no longer
+    # be valid
+    if draft_modulestore is not None:
+        draft_verticals = draft_modulestore.get_items([None, course_location.org, course_location.course,
+                                                       'vertical', None, 'draft'])
+        if len(draft_verticals) > 0:
+            draft_course_dir = export_fs.makeopendir('drafts')
+            for draft_vertical in draft_verticals:
+                parent_locs = draft_modulestore.get_parent_locations(draft_vertical.location, course.location.course_id)
+                logging.debug('parent_locs = {0}'.format(parent_locs))
+                draft_vertical.xml_attributes['parent_sequential_url'] = Location(parent_locs[0]).url()
+                sequential = modulestore.get_item(Location(parent_locs[0]))
+                index = sequential.children.index(draft_vertical.location.url())
+                draft_vertical.xml_attributes['index_in_children_list'] = str(index)
+                draft_vertical.export_to_xml(draft_course_dir)
+
 
 def export_extra_content(export_fs, modulestore, course_location, category_type, dirname, file_suffix=''):
     query_loc = Location('i4x', course_location.org, course_location.course, category_type, None)

common/lib/xmodule/xmodule/modulestore/xml_importer.py

@@ -6,11 +6,11 @@ from path import path
 
 from xblock.core import Scope
 
-from .xml import XMLModuleStore
-from .exceptions import DuplicateItemError
+from .xml import XMLModuleStore, ImportSystem, ParentTracker
 from xmodule.modulestore import Location
-from xmodule.contentstore.content import StaticContent, XASSET_SRCREF_PREFIX
+from xmodule.contentstore.content import StaticContent
 from .inheritance import own_metadata
+from xmodule.errortracker import make_error_tracker
 
 log = logging.getLogger(__name__)
 
@@ -139,8 +139,7 @@ def import_module_from_xml(modulestore, static_content_store, course_data_path,
             # Note the dropped element closing tag. This causes the LMS to fail when rendering modules - that's
             # no good, so we have to do this kludge
             if isinstance(module.data, str) or isinstance(module.data, unicode):   # some module 'data' fields are non strings which blows up the link traversal code
-                lxml_rewrite_links(module.data, lambda link: verify_content_links(module, course_data_path,
-                    static_content_store, link, remap_dict))
+                lxml_rewrite_links(module.data, lambda link: verify_content_links(module, course_data_path, static_content_store, link, remap_dict))
 
                 for key in remap_dict.keys():
                     module.data = module.data.replace(key, remap_dict[key])
@@ -175,7 +174,8 @@ def import_course_from_xml(modulestore, static_content_store, course_data_path,
 
 def import_from_xml(store, data_dir, course_dirs=None,
                     default_class='xmodule.raw_module.RawDescriptor',
-                    load_error_modules=True, static_content_store=None, target_location_namespace=None, verbose=False):
+                    load_error_modules=True, static_content_store=None, target_location_namespace=None,
+                    verbose=False, draft_store=None):
     """
     Import the specified xml data_dir into the "store" modulestore,
     using org and course as the location org and course.
@@ -190,7 +190,7 @@ def import_from_xml(store, data_dir, course_dirs=None,
 
     """
 
-    module_store = XMLModuleStore(
+    xml_module_store = XMLModuleStore(
         data_dir,
         default_class=default_class,
         course_dirs=course_dirs,
@@ -201,7 +201,7 @@ def import_from_xml(store, data_dir, course_dirs=None,
     # to enumerate the entire collection of course modules. It will be left as a TBD to implement that
     # method on XmlModuleStore.
     course_items = []
-    for course_id in module_store.modules.keys():
+    for course_id in xml_module_store.modules.keys():
 
         if target_location_namespace is not None:
             pseudo_course_id = '/'.join([target_location_namespace.org, target_location_namespace.course])
@@ -222,7 +222,7 @@ def import_from_xml(store, data_dir, course_dirs=None,
 
             # Quick scan to get course module as we need some info from there. Also we need to make sure that the
             # course module is committed first into the store
-            for module in module_store.modules[course_id].itervalues():
+            for module in xml_module_store.modules[course_id].itervalues():
                 if module.category == 'course':
                     course_data_path = path(data_dir) / module.data_dir
                     course_location = module.location
@@ -239,11 +239,7 @@ def import_from_xml(store, data_dir, course_dirs=None,
                                        {"type": "discussion", "name": "Discussion"},
                                        {"type": "wiki", "name": "Wiki"}]  # note, add 'progress' when we can support it on Edge
 
-
-                    if hasattr(module, 'data'):
-                        store.update_item(module.location, module.data)
-                    store.update_children(module.location, module.children)
-                    store.update_metadata(module.location, dict(own_metadata(module)))
+                    import_module(module, store, course_data_path, static_content_store)
 
                     # a bit of a hack, but typically the "course image" which is shown on marketing pages is hard coded to /images/course_image.jpg
                     # so let's make sure we import in case there are no other references to it in the modules
@@ -251,17 +247,16 @@ def import_from_xml(store, data_dir, course_dirs=None,
 
                     course_items.append(module)
 
-
             # then import all the static content
             if static_content_store is not None:
                 _namespace_rename = target_location_namespace if target_location_namespace is not None else course_location
 
                 # first pass to find everything in /static/
-                import_static_content(module_store.modules[course_id], course_location, course_data_path, static_content_store,
+                import_static_content(xml_module_store.modules[course_id], course_location, course_data_path, static_content_store,
                                       _namespace_rename, subpath='static', verbose=verbose)
 
             # finally loop through all the modules
-            for module in module_store.modules[course_id].itervalues():
+            for module in xml_module_store.modules[course_id].itervalues():
 
                 if module.category == 'course':
                     # we've already saved the course module up at the top of the loop
@@ -275,6 +270,25 @@ def import_from_xml(store, data_dir, course_dirs=None,
                 if verbose:
                     log.debug('importing module location {0}'.format(module.location))
 
+                import_module(module, store, course_data_path, static_content_store)
+
+            # now import any 'draft' items
+            if draft_store is not None:
+                import_course_draft(xml_module_store, draft_store, course_data_path,
+                                    static_content_store, target_location_namespace if target_location_namespace is not None
+                                    else course_location)
+
+        finally:
+            # turn back on all write signalling
+            if pseudo_course_id in store.ignore_write_events_on_courses:
+                store.ignore_write_events_on_courses.remove(pseudo_course_id)
+                store.refresh_cached_metadata_inheritance_tree(target_location_namespace if
+                                                               target_location_namespace is not None else course_location)
+
+    return xml_module_store, course_items
+
+
+def import_module(module, store, course_data_path, static_content_store, allow_not_found=False):
     content = {}
     for field in module.fields:
         if field.scope != Scope.content:
@@ -285,6 +299,7 @@ def import_from_xml(store, data_dir, course_dirs=None,
             # Ignore any missing keys in _model_data
             pass
 
+    module_data = {}
     if 'data' in content:
         module_data = content['data']
 
@@ -301,8 +316,7 @@ def import_from_xml(store, data_dir, course_dirs=None,
             # Note the dropped element closing tag. This causes the LMS to fail when rendering modules - that's
             # no good, so we have to do this kludge
             if isinstance(module_data, str) or isinstance(module_data, unicode):   # some module 'data' fields are non strings which blows up the link traversal code
-                            lxml_rewrite_links(module_data,
-                                               lambda link: verify_content_links(module, course_data_path, static_content_store, link, remap_dict))
+                lxml_rewrite_links(module_data, lambda link: verify_content_links(module, course_data_path, static_content_store, link, remap_dict))                     
 
                 for key in remap_dict.keys():
                     module_data = module_data.replace(key, remap_dict[key])
@@ -312,6 +326,9 @@ def import_from_xml(store, data_dir, course_dirs=None,
     else:
         module_data = content
 
+    if allow_not_found:
+        store.update_item(module.location, module_data, allow_not_found=allow_not_found)
+    else:
         store.update_item(module.location, module_data)
 
     if hasattr(module, 'children') and module.children != []:
@@ -320,14 +337,82 @@ def import_from_xml(store, data_dir, course_dirs=None,
     # NOTE: It's important to use own_metadata here to avoid writing
     # inherited metadata everywhere.
     store.update_metadata(module.location, dict(own_metadata(module)))
-        finally:
-            # turn back on all write signalling
-            if pseudo_course_id  in store.ignore_write_events_on_courses:
-                store.ignore_write_events_on_courses.remove(pseudo_course_id)
-                store.refresh_cached_metadata_inheritance_tree(target_location_namespace if 
-                    target_location_namespace is not None else course_location)
 
-    return module_store, course_items
+
+def import_course_draft(xml_module_store, store, course_data_path, static_content_store, target_location_namespace):
+    '''
+    This will import all the content inside of the 'drafts' folder, if it exists
+    NOTE: This is not a full course import, basically in our current application only verticals (and downwards)
+    can be in draft. Therefore, we need to use slightly different call points into the import process_xml
+    as we can't simply call XMLModuleStore() constructor (like we do for importing public content)
+    '''
+    draft_dir = course_data_path + "/drafts"
+    if not os.path.exists(draft_dir):
+        return
+
+    # create a new 'System' object which will manage the importing
+    errorlog = make_error_tracker()
+    system = ImportSystem(
+        xml_module_store,
+        target_location_namespace.course_id,
+        draft_dir,
+        {},
+        errorlog.tracker,
+        ParentTracker(),
+        None,
+    )
+
+    # now walk the /vertical directory where each file in there will be a draft copy of the Vertical
+    for dirname, dirnames, filenames in os.walk(draft_dir + "/vertical"):
+        for filename in filenames:
+            module_path = os.path.join(dirname, filename)
+            with open(module_path) as f:
+                try:
+                    xml = f.read().decode('utf-8')
+                    descriptor = system.process_xml(xml)
+
+                    def _import_module(module):
+                        module.location = module.location._replace(revision='draft')
+                        # make sure our parent has us in its list of children
+                        # this is to make sure private only verticals show up in the list of children since
+                        # they would have been filtered out from the non-draft store export
+                        if module.location.category == 'vertical':
+                            module.location = module.location._replace(revision=None)
+                            sequential_url = module.xml_attributes['parent_sequential_url']
+                            index = int(module.xml_attributes['index_in_children_list'])
+
+                            seq_location = Location(sequential_url)
+
+                            # IMPORTANT: Be sure to update the sequential in the NEW namespace
+                            seq_location = seq_location._replace(org=target_location_namespace.org,
+                                                                 course=target_location_namespace.course
+                                                                 )
+                            sequential = store.get_item(seq_location)
+
+                            if module.location.url() not in sequential.children:
+                                sequential.children.insert(index, module.location.url())
+                                store.update_children(sequential.location, sequential.children)
+
+                            del module.xml_attributes['parent_sequential_url']
+                            del module.xml_attributes['index_in_children_list']
+
+                        import_module(module, store, course_data_path, static_content_store, allow_not_found=True)
+                        for child in module.get_children():
+                            _import_module(child)
+
+                    # HACK: since we are doing partial imports of drafts
+                    # the vertical doesn't have the 'url-name' set in the attributes (they are normally in the parent
+                    # object, aka sequential), so we have to replace the location.name with the XML filename
+                    # that is part of the pack
+                    fn, fileExtension = os.path.splitext(filename)
+                    descriptor.location = descriptor.location._replace(name=fn)
+
+                    _import_module(descriptor)
+
+                except Exception, e:
+                    logging.exception('There was an error. {0}'.format(unicode(e)))
+                    pass
+
 
 def remap_namespace(module, target_location_namespace):
     if target_location_namespace is None:
@@ -343,7 +428,7 @@ def remap_namespace(module, target_location_namespace):
                                                    course=target_location_namespace.course, name=target_location_namespace.name)
 
     # then remap children pointers since they too will be re-namespaced
-    if hasattr(module,'children'):
+    if hasattr(module, 'children'):
         children_locs = module.children
         if children_locs is not None and children_locs != []:
             new_locs = []
@@ -365,7 +450,7 @@ def allowed_metadata_by_category(category):
         'vertical': [],
         'chapter': ['start'],
         'sequential': ['due', 'format', 'start', 'graded']
-    }.get(category,['*'])
+    }.get(category, ['*'])
 
 
 def check_module_metadata_editability(module):
@@ -380,7 +465,6 @@ def check_module_metadata_editability(module):
 
     allowed = allowed + ['xml_attributes', 'display_name']
     err_cnt = 0
-    my_metadata = dict(own_metadata(module))
     illegal_keys = set(own_metadata(module).keys()) - set(allowed)
 
     if len(illegal_keys) > 0:
@@ -497,7 +581,6 @@ def perform_xlint(data_dir, course_dirs,
             print "WARN: Missing course marketing video. It is recommended that every course have a marketing video."
             warn_cnt += 1
 
-
     print "\n\n------------------------------------------\nVALIDATION SUMMARY: {0} Errors   {1} Warnings\n".format(err_cnt, warn_cnt)
 
     if err_cnt > 0:

common/lib/xmodule/xmodule/xml_module.py

@@ -110,8 +110,7 @@ class XmlDescriptor(XModuleDescriptor):
         'name', 'slug')
 
     metadata_to_strip = ('data_dir',
-            # cdodge: @TODO: We need to figure out a way to export out 'tabs' and 'grading_policy' which is on the course
-            'tabs', 'grading_policy', 'is_draft', 'published_by', 'published_date',
+            'tabs', 'grading_policy', 'published_by', 'published_date',
             'discussion_blackouts', 'testcenter_info',
            # VS[compat] -- remove the below attrs once everything is in the CMS
            'course', 'org', 'url_name', 'filename',
@@ -135,7 +134,7 @@ class XmlDescriptor(XModuleDescriptor):
         'graded': bool_map,
         'hide_progress_tab': bool_map,
         'allow_anonymous': bool_map,
-        'allow_anonymous_to_peers': bool_map
+        'allow_anonymous_to_peers': bool_map,
     }