parse xml

recommender/recommender.py

@@ -968,6 +968,13 @@ class RecommenderXBlock(HelperXBlock):
         frag.initialize_js('RecommenderXBlock')
         return frag
 
+    def add_xml_to_node(self, node):
+        """
+        Serialize the XBlock to XML for exporting.
+        """
+        node.tag = 'recommender'
+        node.text = unicode(json.dumps(self.recommendations))
+
     @staticmethod
     def workbench_scenarios():
         """
@@ -980,12 +987,14 @@ class RecommenderXBlock(HelperXBlock):
                 <vertical_demo>
                     <html_demo><img class="question" src="http://people.csail.mit.edu/swli/edx/recommendation/img/pset.png"></img></html_demo>
                     <recommender>
-                        {"id": 1, "title": "Covalent bonding and periodic trends", "upvotes" : 15, "downvotes" : 5, "url" : "https://courses.edx.org/courses/MITx/3.091X/2013_Fall/courseware/SP13_Week_4/SP13_Periodic_Trends_and_Bonding/", "description" : "http://people.csail.mit.edu/swli/edx/recommendation/img/videopage1.png", "descriptionText" : "short description for Covalent bonding and periodic trends"}
-                        {"id": 2, "title": "Polar covalent bonds and electronegativity", "upvotes" : 10, "downvotes" : 7, "url" : "https://courses.edx.org/courses/MITx/3.091X/2013_Fall/courseware/SP13_Week_4/SP13_Covalent_Bonding/", "description" : "http://people.csail.mit.edu/swli/edx/recommendation/img/videopage2.png", "descriptionText" : "short description for Polar covalent bonds and electronegativity"}
-                        {"id": 3, "title": "Longest wavelength able to to break a C-C bond ...", "upvotes" : 1230, "downvotes" : 7, "url" : "https://answers.yahoo.com/question/index?qid=20081112142253AA1kQN1", "description" : "http://people.csail.mit.edu/swli/edx/recommendation/img/dispage1.png", "descriptionText" : "short description for Longest wavelength able to to break a C-C bond ..."}
-                        {"id": 4, "title": "Calculate the maximum wavelength of light for ...", "upvotes" : 10, "downvotes" : 3457, "url" : "https://answers.yahoo.com/question/index?qid=20100110115715AA6toHw", "description" : "http://people.csail.mit.edu/swli/edx/recommendation/img/dispage2.png", "descriptionText" : "short description for Calculate the maximum wavelength of light for ..."}
-                        {"id": 5, "title": "Covalent bond - wave mechanical concept", "upvotes" : 10, "downvotes" : 7, "url" : "http://people.csail.mit.edu/swli/edx/recommendation/img/textbookpage1.png", "description" : "http://people.csail.mit.edu/swli/edx/recommendation/img/textbookpage1.png", "descriptionText" : "short description for Covalent bond - wave mechanical concept"}
-                        {"id": 6, "title": "Covalent bond - Energetics of covalent bond", "upvotes" : 10, "downvotes" : 7, "url" : "http://people.csail.mit.edu/swli/edx/recommendation/img/textbookpage2.png", "description" : "http://people.csail.mit.edu/swli/edx/recommendation/img/textbookpage2.png", "descriptionText" : "short description for Covalent bond - Energetics of covalent bond"}
+                        [
+                            {"id": 1, "title": "Covalent bonding and periodic trends", "upvotes" : 15, "downvotes" : 5, "url" : "https://courses.edx.org/courses/MITx/3.091X/2013_Fall/courseware/SP13_Week_4/SP13_Periodic_Trends_and_Bonding/", "description" : "http://people.csail.mit.edu/swli/edx/recommendation/img/videopage1.png", "descriptionText" : "short description for Covalent bonding and periodic trends"},
+                            {"id": 2, "title": "Polar covalent bonds and electronegativity", "upvotes" : 10, "downvotes" : 7, "url" : "https://courses.edx.org/courses/MITx/3.091X/2013_Fall/courseware/SP13_Week_4/SP13_Covalent_Bonding/", "description" : "http://people.csail.mit.edu/swli/edx/recommendation/img/videopage2.png", "descriptionText" : "short description for Polar covalent bonds and electronegativity"},
+                            {"id": 3, "title": "Longest wavelength able to to break a C-C bond ...", "upvotes" : 1230, "downvotes" : 7, "url" : "https://answers.yahoo.com/question/index?qid=20081112142253AA1kQN1", "description" : "http://people.csail.mit.edu/swli/edx/recommendation/img/dispage1.png", "descriptionText" : "short description for Longest wavelength able to to break a C-C bond ..."},
+                            {"id": 4, "title": "Calculate the maximum wavelength of light for ...", "upvotes" : 10, "downvotes" : 3457, "url" : "https://answers.yahoo.com/question/index?qid=20100110115715AA6toHw", "description" : "http://people.csail.mit.edu/swli/edx/recommendation/img/dispage2.png", "descriptionText" : "short description for Calculate the maximum wavelength of light for ..."},
+                            {"id": 5, "title": "Covalent bond - wave mechanical concept", "upvotes" : 10, "downvotes" : 7, "url" : "http://people.csail.mit.edu/swli/edx/recommendation/img/textbookpage1.png", "description" : "http://people.csail.mit.edu/swli/edx/recommendation/img/textbookpage1.png", "descriptionText" : "short description for Covalent bond - wave mechanical concept"},
+                            {"id": 6, "title": "Covalent bond - Energetics of covalent bond", "upvotes" : 10, "downvotes" : 7, "url" : "http://people.csail.mit.edu/swli/edx/recommendation/img/textbookpage2.png", "description" : "http://people.csail.mit.edu/swli/edx/recommendation/img/textbookpage2.png", "descriptionText" : "short description for Covalent bond - Energetics of covalent bond"}
+                        ]
                     </recommender>
                 </vertical_demo>
                 """
@@ -999,11 +1008,11 @@ class RecommenderXBlock(HelperXBlock):
 
         """
         block = runtime.construct_xblock_from_class(cls, keys)
-        lines = []
-        for line in node.text.split('\n'):
-            line = line.strip()
-            if len(line) > 2:
-                lines.append(json.loads(line))
+        lines = json.loads(node.text)
+        #for line in node.text.split('\n'):
+        #    line = line.strip()
+        #    if len(line) > 2:
+        #        lines.append(json.loads(line))
 
         block.default_recommendations = data_structure_upgrade(lines)
         return block