not yet completed CapaXML -> Wiki

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

+###
+### One-off script for importing courseware form XML format
+###
+
+from django.core.management.base import BaseCommand, CommandError
+import json
+from lxml import etree
+
+
+class CapaXMLConverter(object):
+    def convert_from_xml(self, filename):
+        out = {'scripts': [], 'contents': []}
+        temp = {'text':'', 'response':None}
+        with open(filename, "r") as f:
+            for event, element in etree.iterparse(f, events=("start", "end")):
+                if event == "start" and element.tag == "br":
+                    temp['text'] += '\n\n'
+
+                elif event == "start" and element.text:
+                    temp['text'] += element.text
+                elif event == "end" and element.tail:
+                    temp['text'] += element.tail
+
+                if event == "start":
+                    if element.tag == 'multiplechoiceresponse':
+                        temp['group'] = {'type': 'multiple_choice', 'choices': []}
+                    elif element.tag == 'truefalseresponse':
+                        temp['group'] = {'type': 'true_false', 'statements': []}
+                    elif element.tag == "choice":
+                        if temp['group']['type'] == 'multiple_choice':
+                            temp['response'] = {'type':'choice', 'text': '', 'correct': element.get('correct') == "true"}
+                        elif temp['group']['type'] == 'true_false':
+                            temp['response'] = {'type':'statement', 'text': '', 'correct': element.get('correct') == "true"}
+
+                elif event == "end":
+                    if element.tag == "endouttext":
+                        if temp['response']:
+                            temp['response']['text'] += temp['text'].strip()
+                        else:
+                            out['contents'].append({'type':'paragraph', 'text': temp['text'].strip()})
+                        temp['text'] = ''
+                    elif element.tag in ["multiplechoiceresponse", "truefalseresponse"]:
+                        out['contents'].append(temp['group'])
+                        temp['group'] = None
+                    elif element.tag == "choice":
+                        if temp['group']['type'] == 'true_false':
+                            temp['group']['statements'].append(temp['response'])
+                        elif temp['group']['type'] == 'multiple_choice':
+                            temp['group']['choices'].append(temp['response'])
+                        temp['response'] = None
+
+        # self.parse_tree(tree, out)
+        return out
+
+
+class Command(BaseCommand):
+    help = \
+'''Import the specified data directory into the default ModuleStore'''
+
+    def handle(self, *args, **options):
+        self.converter = CapaXMLConverter()
+        
+        # print json.dumps(self.converter.convert_from_xml("/Users/ccp/code/mitx_all/data/6.002x/problems/HW3ID1.xml"), indent=2)
+        print json.dumps(self.converter.convert_from_xml("/Users/ccp/code/mitx_all/data/6.002x/problems/multichoice.xml"), indent=2)

format.ref

+- scripts:
+  - type: 'script'
+    language: 'python'
+    code: 'print "Hello world!"'
+- contents:
+  - type: 'text'
+    text: 'This is a sample paragraph. The linebreaks here should matter..?'
+  - type: 'linebreaks'
+    count: 2
+  - type: 'multiple_choice'
+    randomize: true
+    choices:
+    - type: 'choice'
+      text: 'Choice A'
+      correct: true
+    - type: 'choice'
+      text: 'Choice B'
+      correct: false
+    - type: 'choice'
+      text: 'Choice C'
+      correct: true
+  - type: 'true_false'
+    statements:
+    - type: 'statement'
+      text: 'Sun revolves around Earth. '
+      correct: false
+    - type: 'statement'
+      text: 'This is a true statement. '
+      correct: true
+  - type: 'string'
+    answer: 'banana'
+  - type: 'numerical'
+    tolerance: '5%'
+    answer: 6
+  - type: 'formula'
+    answer: '-A*(RF/RS)'
+    samples: 10
+    tolerance: '5%'
+    variables:
+    - type: 'variable'
+      symbol: 'A'
+      range: '1-3'
+    - type: 'variable'
+      symbol: 'RF'
+      range: '1-3'
+    - type: 'variable'
+      symbol: 'RS'
+      range: '1-3'
+    - type: 'variable'
+      symbol: 'L'
+      range: '1-3'
+    - type: 'variable'
+      symbol: 'T'
+      range: '1-3'
+  - type: 'custom'
+    script:
+    - type: 'script'
+      language: 'python'
+      code: 'correct = true'
+