Factored out a couple of modules

--HG--
rename : courseware/static/schematic.js => courseware/static/js/schematic.js

auth/models.py

@@ -5,13 +5,13 @@ import uuid
 class UserProfile(models.Model):
     ## CRITICAL TODO/SECURITY
     # Sanitize all fields. 
-    # This is not visible to other users, but could introduce holes 
-    # later
+    # This is not visible to other users, but could introduce holes later
     user = models.ForeignKey(User, unique=True, db_index=True)
     name = models.TextField(blank=True)
     language = models.TextField(blank=True)
     location = models.TextField(blank=True)
     meta = models.TextField(blank=True) # JSON dictionary for future expansion
+    courseware = models.TextField(blank=True)
 
 class Registration(models.Model):
     ''' Allows us to wait for e-mail before user is registered. A

courseware/capa_module.py

@@ -6,6 +6,10 @@ from x_module import XModule
 
 from capa_problem import LoncapaProblem
 
+import dateutil
+import datetime
+
+
 from xml.dom.minidom import parse, parseString
 
 ## TODO: Abstract out from Django
@@ -18,8 +22,13 @@ class LoncapaModule(XModule):
     prupose now. We can e.g .destroy and create the capa_problem on a
     reset. 
     '''
-    xml_tags=["problem"]
-    id_attribute="filename"
+    xml_tags = ["problem"]
+    id_attribute = "filename"
+
+    attempts = None
+    max_attempts = None
+
+    due_date = None
 
     def get_state(self):
         return self.lcp.get_state()
@@ -66,18 +75,33 @@ class LoncapaModule(XModule):
         XModule.__init__(self, xml, item_id, ajax_url, track_url, state)
         dom=parseString(xml)
         node=dom.childNodes[0]
+
+        self.due_date=node.getAttribute("due")
+        if len(self.due_date)>0:
+            self.due_date=dateutil.parser.parse(self.due_date)
+        else:
+            self.due_date=None
+            
+        self.max_attempts=node.getAttribute("attempts")
+        if len(self.max_attempts)>0:
+            self.max_attempts=int(self.max_attempts)
+        else:
+            self.max_attempts=None
+
         self.filename=node.getAttribute("filename")
         filename=settings.DATA_DIR+self.filename+".xml"
         self.name=node.getAttribute("name")
         self.lcp=LoncapaProblem(filename, self.item_id, state)
 
     def handle_ajax(self, dispatch, get):
-        if dispatch=='problem_check': 
+        if dispatch=='problem_get':
+            response = self.get_problem(get)
+        elif False: #self.due_date > 
+            return json.dumps({"error":"Past due date"})
+        elif dispatch=='problem_check': 
             response = self.check_problem(get)
         elif dispatch=='problem_reset':
             response = self.reset_problem(get)
-        elif dispatch=='problem_get':
-            response = self.get_problem(get)
         else: 
             return "Error"
         return response

courseware/capa_problem.py

 import random, numpy, math, scipy, sys, StringIO, os, struct, json
+from dateutil import parser
 
 from xml.dom.minidom import parse, parseString
 
@@ -198,6 +199,7 @@ class LoncapaProblem():
         return html
 
     def grade_fr(self, question, answer):
+        print question, answer
         correct = True
         for i in range(question['samples_count']):
             instructor_variables = strip_dict(dict(self.context))
@@ -208,6 +210,9 @@ class LoncapaProblem():
                 student_variables[str(var)] = value
             instructor_result = evaluator(instructor_variables,{},str(question['answer']))
             student_result = evaluator(student_variables,{},str(answer))
+            print student_result, instructor_result
+            if math.isnan(student_result) or math.isinf(student_result):
+                return "incorrect"
             if abs( student_result - instructor_result ) > question['tolerance']:
                 return "incorrect"
  

courseware/html_module.py

+from x_module import XModule
+
+from xml.dom.minidom import parse, parseString
+
+import json
+
+## TODO: Abstract out from Django
+from django.conf import settings
+from djangomako.shortcuts import render_to_response, render_to_string
+
+class HtmlModule(XModule):
+    id_attribute = 'filename'
+
+    def get_state(self):
+        return json.dumps({ })
+
+    def get_xml_tags():
+        return "html"
+        
+    def get_html(self):
+        print "XX",self.item_id
+        return render_to_string(self.item_id, {'id': self.item_id})
+
+    def __init__(self, xml, item_id, ajax_url=None, track_url=None, state=None):
+        print "item id" , item_id
+        XModule.__init__(self, xml, item_id, ajax_url, track_url, state)
+
+#        template_source=module.getAttribute('filename')
+#    	return {'content':render_to_string(template_source, {})}
+
+ #       print state
+ #       if state!=None and "time" not in json.loads(state):
+ #           self.video_time = 0

courseware/module_render.py

+from django.http import HttpResponse
+from django.template import Context, loader
+from djangomako.shortcuts import render_to_response, render_to_string
+from xml.dom.minidom import parse, parseString
+import json, os, sys
+from django.core.context_processors import csrf
+
+from django.template import Context
+from django.contrib.auth.models import User
+from auth.models import UserProfile
+from django.shortcuts import redirect
+
+import StringIO
+
+from django.http import Http404
+
+import urllib
+
+import capa_module
+import video_module
+import html_module
+
+from models import StudentModule
+
+import urllib
+
+from django.conf import settings
+
+import content_parser
+
+import uuid
+
+#def html_module(request, module):
+#    ''' Show basic text
+#    '''
+#    template_source=module.getAttribute('filename')
+#    return {'content':render_to_string(template_source, {})}
+
+def vertical_module(request, module):
+    ''' Layout module which lays out content vertically. 
+    '''
+    contents=[(e.getAttribute("name"),render_module(request, e)) \
+              for e in module.childNodes \
+              if e.nodeType==1]
+    js="".join([e[1]['init_js'] for e in contents if 'init_js' in e[1]])
+
+    return {'init_js':js, 
+            "destroy_js":"",
+            'content':render_to_string('vert_module.html',{'items':contents})}
+
+def seq_module(request, module):
+    ''' Layout module which lays out content in a temporal sequence
+    '''
+    def j(m): 
+        # jsonify contents so it can be embedded in a js array
+        # We also need to split </script> tags so they don't break
+        # mid-string
+        if 'init_js' not in m: m['init_js']=""
+        content=json.dumps(m['content']) 
+        content=content.replace('</script>', '<"+"/script>') 
+        return {'content':content, 
+                "destroy_js":"",
+                'init_js':m['init_js']}
+    contents=[(e.getAttribute("name"),j(render_module(request, e))) \
+              for e in module.childNodes \
+              if e.nodeType==1]
+     
+    js="".join([e[1]['init_js'] for e in contents if 'init_js' in e[1]])
+
+    iid=uuid.uuid1().hex
+
+    params={'items':contents,
+            'id':"seq"}
+
+    print module.nodeName
+    if module.nodeName == 'sequential':
+        return {'init_js':js+render_to_string('seq_module.js',params),
+                "destroy_js":"",
+                'content':render_to_string('seq_module.html',params)}
+    if module.nodeName == 'tab':
+        return {'init_js':js+render_to_string('tab_module.js',params),
+                "destroy_js":"",
+                'content':render_to_string('tab_module.html',params)}
+
+
+modx_modules={'problem':capa_module.LoncapaModule, 
+              'video':video_module.VideoModule,
+              'html':html_module.HtmlModule}
+
+def render_x_module(request, xml_module):
+    ''' Generic module for extensions. This renders to HTML. '''
+    # Check if problem has an instance in DB
+    module_type=xml_module.nodeName
+    module_class=modx_modules[module_type]
+    print "mida",module_class.id_attribute
+    module_id=xml_module.getAttribute(module_class.id_attribute)
+    print "mid",module_id
+
+    # Grab state from database
+    s = StudentModule.objects.filter(student=request.user, 
+                                     module_id=module_id, 
+                                     module_type = module_type)
+    if len(s) == 0: # If nothing in the database...
+        state=None
+    else:
+        smod = s[0]
+        state = smod.state
+
+    # Create a new instance
+    ajax_url = '/modx/'+module_type+'/'+module_id+'/'
+    instance=module_class(xml_module.toxml(), 
+                          module_id, 
+                          ajax_url=ajax_url,
+                          state=state)
+    
+    # If instance wasn't already in the database, create it
+    if len(s) == 0:
+        smod=StudentModule(student=request.user, 
+                           module_type = module_type,
+                           module_id=module_id, 
+                           state=instance.get_state(), 
+                           xml=instance.xml)
+    # Grab content
+    content = {'content':instance.get_html(), 
+               "destroy_js":instance.get_destroy_js(),
+               'init_js':instance.get_init_js()}
+
+    smod.save() # This may be optional (at least in the case of no instance in the dB)
+
+    return content
+
+def modx_dispatch(request, module=None, dispatch=None, id=None):
+    ''' Generic module for extensions. '''
+    s = StudentModule.objects.filter(module_type=module, student=request.user, module_id=id)
+    if len(s) == 0:
+        raise Http404
+
+    s=s[0]
+
+    dispatch=dispatch.split('?')[0]
+
+    ajax_url = '/modx/'+module+'/'+id+'/'
+
+    instance=modx_modules[module](s.xml, s.module_id, ajax_url=ajax_url, state=s.state)
+    html=instance.handle_ajax(dispatch, request.GET)
+    s.state=instance.get_state()
+    s.grade=instance.get_score()['score']
+    s.save()
+    return HttpResponse(html)
+
+module_types={'video':render_x_module,
+              'html':render_x_module,
+              'tab':seq_module,
+              'vertical':vertical_module,
+              'sequential':seq_module,
+              'problem':render_x_module,
+              }
+                  #'lab':lab_module,
+
+def render_module(request, module):
+    ''' Generic dispatch for internal modules. '''
+    if module==None:
+        return {"content":""}
+    if str(module.localName) in module_types:
+        return module_types[module.localName](request, module)
+    raise Http404

courseware/profile.py

+def profile(request):
+    ''' User profile. Show username, location, etc, as well as grades .
+        We need to allow the user to change some of these settings .'''
+    if not request.user.is_authenticated():
+        return redirect('/')
+
+    dom=parse(settings.DATA_DIR+'course.xml')
+    hw=[]
+    course = dom.getElementsByTagName('course')[0]
+    chapters = course.getElementsByTagName('chapter')
+
+    responses=StudentModule.objects.filter(student=request.user)
+
+    for c in chapters:
+        for s in c.getElementsByTagName('section'):
+            problems=s.getElementsByTagName('problem')
+            scores=[]
+            if len(problems)>0:
+                for p in problems:
+                    id = p.getAttribute('filename')
+                    correct = 0
+                    for response in responses:
+                        if response.module_id == id:
+                            if response.grade!=None:
+                                correct=response.grade
+                            else:
+                                correct=0
+                    total=capa_module.LoncapaModule(p.toxml(), "id").max_score() # TODO: Add state. Not useful now, but maybe someday problems will have randomized max scores? 
+                    scores.append((int(correct),total))
+                score={'course':course.getAttribute('name'),
+                       'section':s.getAttribute("name"),
+                       'chapter':c.getAttribute("name"),
+                       'scores':scores,
+                       }
+                hw.append(score)
+
+    user_info=UserProfile.objects.get(user=request.user)
+
+    context={'name':user_info.name,
+             'username':request.user.username,
+             'location':user_info.location,
+             'language':user_info.language,
+             'email':request.user.email,
+             'homeworks':hw, 
+             'csrf':csrf(request)['csrf_token']
+             }
+    return render_to_response('profile.html', context)
+

courseware/video_module.py

-# For calculator: 
-# http://pyparsing.wikispaces.com/file/view/fourFn.py
-
 from x_module import XModule
 
 from xml.dom.minidom import parse, parseString
@@ -12,10 +9,6 @@ from django.conf import settings
 from djangomako.shortcuts import render_to_response, render_to_string
 
 class VideoModule(XModule):
-    ''' Implements a generic learning module. 
-        Initialized on access with __init__, first time with state=None, and
-        then with state
-    '''
     id_attribute = 'youtube'
     video_time = 0
 
@@ -31,12 +24,8 @@ class VideoModule(XModule):
 
     def get_xml_tags():
         ''' Tags in the courseware file guaranteed to correspond to the module '''
-        return "video1"
+        return "video"
         
-    def get_id_attribute():
-        ''' An attribute in the XML scheme that is guaranteed unique. '''
-        return "youtube"
-
     def get_html(self):
         return render_to_string('video.html',{'id':self.item_id,
                                               'time':self.video_time})

courseware/views.py

@@ -29,6 +29,8 @@ import content_parser
 
 import uuid
 
+from module_render import *
+
 template_imports={'urllib':urllib}
 
 def profile(request):
@@ -98,131 +100,6 @@ def render_accordion(request,course,chapter,section):
     return {'init_js':render_to_string('accordion_init.js',context), 
             'content':render_to_string('accordion.html',context)}
 
-def html_module(request, module):
-    ''' Show basic text
-    '''
-    template_source=module.getAttribute('filename')
-    return {'content':render_to_string(template_source, {})}
-
-def vertical_module(request, module):
-    ''' Layout module which lays out content vertically. 
-    '''
-    contents=[(e.getAttribute("name"),render_module(request, e)) \
-              for e in module.childNodes \
-              if e.nodeType==1]
-    js="".join([e[1]['init_js'] for e in contents if 'init_js' in e[1]])
-
-    return {'init_js':js, 
-            'content':render_to_string('vert_module.html',{'items':contents})}
-
-def seq_module(request, module):
-    ''' Layout module which lays out content in a temporal sequence
-    '''
-    def j(m): 
-        # jsonify contents so it can be embedded in a js array
-        # We also need to split </script> tags so they don't break
-        # mid-string
-        if 'init_js' not in m: m['init_js']=""
-        content=json.dumps(m['content']) 
-        content=content.replace('</script>', '<"+"/script>') 
-        return {'content':content, 'init_js':m['init_js']}
-    contents=[(e.getAttribute("name"),j(render_module(request, e))) \
-              for e in module.childNodes \
-              if e.nodeType==1]
-     
-    js="".join([e[1]['init_js'] for e in contents if 'init_js' in e[1]])
-
-    iid=uuid.uuid1().hex
-
-    params={'items':contents,
-            'id':"seq"}
-
-    print module.nodeName
-    if module.nodeName == 'sequential':
-        return {'init_js':js+render_to_string('seq_module.js',params),
-                'content':render_to_string('seq_module.html',params)}
-    if module.nodeName == 'tab':
-        return {'init_js':js+render_to_string('tab_module.js',params),
-                'content':render_to_string('tab_module.html',params)}
-
-
-modx_modules={'problem':capa_module.LoncapaModule, 'video':video_module.VideoModule}
-
-def render_x_module(request, xml_module):
-    ''' Generic module for extensions. This renders to HTML. '''
-    # Check if problem has an instance in DB
-    module_type=xml_module.nodeName
-    module_class=modx_modules[module_type]
-    module_id=xml_module.getAttribute(module_class.id_attribute)
-    
-    # Grab state from database
-    s = StudentModule.objects.filter(student=request.user, 
-                                     module_id=module_id, 
-                                     module_type = module_type)
-    if len(s) == 0: # If nothing in the database...
-        state=None
-    else:
-        smod = s[0]
-        state = smod.state
-
-    # Create a new instance
-    ajax_url = '/modx/'+module_type+'/'+module_id+'/'
-    instance=module_class(xml_module.toxml(), 
-                          module_id, 
-                          ajax_url=ajax_url,
-                          state=state)
-    
-    # If instance wasn't already in the database, create it
-    if len(s) == 0:
-        smod=StudentModule(student=request.user, 
-                           module_type = module_type,
-                           module_id=module_id, 
-                           state=instance.get_state(), 
-                           xml=instance.xml)
-    # Grab content
-    content = {'content':instance.get_html(), 
-               'init_js':instance.get_init_js()}
-
-    smod.save() # This may be optional (at least in the case of no instance in the dB)
-
-    return content
-
-def modx_dispatch(request, module=None, dispatch=None, id=None):
-    ''' Generic module for extensions. '''
-    s = StudentModule.objects.filter(module_type=module, student=request.user, module_id=id)
-    if len(s) == 0:
-        raise Http404
-
-    s=s[0]
-
-    dispatch=dispatch.split('?')[0]
-
-    ajax_url = '/modx/'+module+'/'+id+'/'
-
-    instance=modx_modules[module](s.xml, s.module_id, ajax_url=ajax_url, state=s.state)
-    html=instance.handle_ajax(dispatch, request.GET)
-    s.state=instance.get_state()
-    s.grade=instance.get_score()['score']
-    s.save()
-    return HttpResponse(html)
-
-module_types={'video':render_x_module,
-              'html':html_module,
-              'tab':seq_module,
-              'vertical':vertical_module,
-              'sequential':seq_module,
-              'problem':render_x_module,
-              }
-                  #'lab':lab_module,
-
-def render_module(request, module):
-    ''' Generic dispatch for internal modules. '''
-    if module==None:
-        return {"content":""}
-    if str(module.localName) in module_types:
-        return module_types[module.localName](request, module)
-    return {"content":""}
-
 def index(request, course="6.002 Spring 2012", chapter="Using the System", section="Hints"): 
     ''' Displays courseware accordion, and any associated content. 
     ''' 

courseware/x_module.py

@@ -3,14 +3,12 @@ class XModule:
         Initialized on access with __init__, first time with state=None, and
         then with state
     '''
+    id_attribute='name' # An attribute guaranteed to be unique
+
     def get_xml_tags():
         ''' Tags in the courseware file guaranteed to correspond to the module '''
         return []
         
-    def get_id_attribute():
-        ''' An attribute in the XML scheme that is guaranteed unique. '''
-        return "name"
-
     def get_state(self):
         return ""
 

static_template_view/views.py

@@ -6,7 +6,7 @@
 from djangomako.shortcuts import render_to_response, render_to_string
 from django.shortcuts import redirect
 
-valid_templates=['index.html', 'staff.html', 'info.html']
+valid_templates=['index.html', 'staff.html', 'info.html', 'credits.html']
 
 def index(request, template): 
     if template in valid_templates: