Wiki now supports circuits, modulo bugs

circuit/models.py

+from django.db import models
+from django.contrib.auth.models import User
+import uuid
+
+class ServerCircuit(models.Model):
+    # Later, add owner, who can edit, part of what app, etc. 
+    name = models.CharField(max_length=32, unique=True, db_index=True)
+    schematic = models.TextField(blank=True)
+
+    def __unicode__(self):
+        return self.name+":"+self.schematic[:8]

circuit/tests.py

+"""
+This file demonstrates writing tests using the unittest module. These will pass
+when you run "manage.py test".
+
+Replace this with more appropriate tests for your application.
+"""
+
+from django.test import TestCase
+
+
+class SimpleTest(TestCase):
+    def test_basic_addition(self):
+        """
+        Tests that 1 + 1 always equals 2.
+        """
+        self.assertEqual(1 + 1, 2)

circuit/views.py

+from djangomako.shortcuts import render_to_response, render_to_string
+from django.shortcuts import redirect
+import os
+from django.conf import settings
+from django.http import Http404
+from models import ServerCircuit
+import json
+import xml.etree.ElementTree
+from django.http import HttpResponse
+
+def circuit_line(circuit):
+    if not circuit.isalnum():
+        raise Http404()
+    try:
+        sc = ServerCircuit.objects.get(name=circuit)
+        schematic = sc.schematic
+        print "Got"
+    except:
+        schematic = ''
+        print "not got"
+    print "X", schematic
+
+    circuit_line = xml.etree.ElementTree.Element('input')
+    circuit_line.set('type', 'hidden')
+    circuit_line.set('class', 'schematic')
+    circuit_line.set('width', '640')
+    circuit_line.set('height', '480')
+    circuit_line.set('name', 'schematic')
+    circuit_line.set('id', 'schematic_'+circuit)
+    circuit_line.set('value', schematic) # We do it this way for security -- guarantees users cannot put funny stuff in schematic. 
+    return xml.etree.ElementTree.tostring(circuit_line)
+
+def edit_circuit(request, circuit):
+    try:
+        sc = ServerCircuit.objects.get(name=circuit)
+    except:
+        sc = None
+
+    if not circuit.isalnum():
+        raise Http404()
+    response = render_to_response('edit_circuit.html', {'name':circuit, 
+                                                        'circuit_line':circuit_line(circuit)})
+    response['Cache-Control'] = 'no-cache'
+    return response
+
+def save_circuit(request, circuit):
+    if not circuit.isalnum():
+        raise Http404()
+    print dict(request.POST)
+    schematic = request.POST['schematic']
+    print schematic
+    try:
+        sc = ServerCircuit.objects.get(name=circuit)
+    except:
+        sc = ServerCircuit()
+        sc.name = circuit
+    sc.schematic = schematic
+    print ":", sc.schematic
+    sc.save()
+    json_str = json.dumps({'results': 'success'})
+    response = HttpResponse(json_str, mimetype='application/json')
+    response['Cache-Control'] = 'no-cache'
+    return response
+

courseware/calc.py

@@ -116,3 +116,4 @@ if __name__=='__main__':
     print evaluator({'a': 2.2997471478310274, 'k': 9, 'm': 8, 'x': 0.66009498411213041}, {}, "5")
     print evaluator({},{}, "-1")
     print evaluator({},{}, "-(7+5)")
+    print evaluator({},{}, "QWSEKO")

courseware/capa_module.py

@@ -162,6 +162,7 @@ class LoncapaModule(XModule):
             return json.dumps({"error":"Past due date"})
         elif dispatch=='problem_check': 
             response = self.check_problem(get)
+            print response
         elif dispatch=='problem_reset':
             response = self.reset_problem(get)
         elif dispatch=='problem_save':
@@ -231,19 +232,27 @@ class LoncapaModule(XModule):
             print "cpdr"
             raise Http404
 
-        self.attempts = self.attempts + 1
-        self.lcp.done=True
         answers=dict()
         # input_resistor_1 ==> resistor_1
         for key in get:
             answers['_'.join(key.split('_')[1:])]=get[key]
 
-        correct_map = self.lcp.grade_answers(answers)
+        try:
+            ocm = lcp.correct_map
+            oa = lcp.answers
+            correct_map = self.lcp.grade_answers(answers)
+        except: 
+            lcp.correct_map = ocm # HACK: Reset state
+            lcp.answers = oa
+            return json.dumps({'success':'syntax'})
+
+        self.attempts = self.attempts + 1
+        self.lcp.done=True
 
-        success = True
+        success = 'finished'
         for i in correct_map:
             if correct_map[i]!='correct':
-                success = False
+                success = 'errors'
 
         js=json.dumps({'correct_map' : correct_map,
                        'success' : success})

courseware/capa_problem.py

@@ -6,7 +6,8 @@ from xml.dom.minidom import parse, parseString
 from calc import evaluator
 
 def strip_dict(d):
-    ''' Takes a dict. Returns an identical dict, with all non-word keys stripped out. ''' 
+    ''' Takes a dict. Returns an identical dict, with all non-word
+    keys stripped out. ''' 
     d=dict([(k, float(d[k])) for k in d if type(k)==str and \
                                            k.isalnum() and \
                                            (type(d[k]) == float or type(d[k]) == int) ])

settings.py

@@ -107,6 +107,7 @@ INSTALLED_APPS = (
     'staticbook',
     'simplewiki',
     'track',
+    'circuit',
     # Uncomment the next line to enable the admin:
     # 'django.contrib.admin',
     # Uncomment the next line to enable admin documentation:
@@ -192,7 +193,7 @@ if ASKBOT_ENABLED:
 	   'south',
 	   'askbot.deps.livesettings',
 	   'askbot',
-	   'keyedcache',
+	   #'keyedcache', # TODO: Main askbot tree has this installed, but we get intermittent errors if we include it. 
 	   'robots',
 	   'django_countries',
 	   'djcelery',

simplewiki/__init__.py

+# Source: django-simplewiki. GPL license. 
+
 import sys, os
 
 # allow mdx_* parsers to be just dropped in the simplewiki folder

simplewiki/admin.py

+# Source: django-simplewiki. GPL license. 
+
 from django.contrib import admin
 from django import forms
 from django.utils.translation import ugettext as _
@@ -56,4 +58,4 @@ class PermissionAdmin(admin.ModelAdmin):
 admin.site.register(Article, ArticleAdmin)
 admin.site.register(Revision, RevisionAdmin)
 admin.site.register(Permission, PermissionAdmin)
-admin.site.register(ArticleAttachment, AttachmentAdmin)
\ No newline at end of file
+admin.site.register(ArticleAttachment, AttachmentAdmin)

simplewiki/mdx_camelcase.py

 #!/usr/bin/env python
 
+print "Hello"
+
 '''
 WikiLink Extention for Python-Markdown
 ======================================

simplewiki/mdx_circuit.py

+#!/usr/bin/env python
+'''
+Image Circuit Extension for Python-Markdown
+======================================
+
+circuit:name becomes the circuit. 
+'''
+
+import simplewiki.settings as settings
+import markdown
+from markdown import etree_loader
+
+from djangomako.shortcuts import render_to_response, render_to_string
+
+ElementTree=etree_loader.importETree()
+
+class CircuitExtension(markdown.Extension):
+    def __init__(self, configs):
+        for key, value in configs :
+            self.setConfig(key, value)
+    
+    def add_inline(self, md, name, klass, re):
+        pattern = klass(re)
+        pattern.md = md
+        pattern.ext = self
+        md.inlinePatterns.add(name, pattern, "<reference")
+    
+    def extendMarkdown(self, md, md_globals):
+        print "Here"
+        self.add_inline(md, 'circuit', CircuitLink, r'^circuit:(?P<name>[a-zA-Z0-9]*)$')
+
+class CircuitLink(markdown.inlinepatterns.Pattern):
+    def handleMatch(self, m):
+        name = m.group('name')
+        if not name.isalnum():
+            return ElementTree.fromstring("<div>Circuit name must be alphanumeric</div>")
+
+        return ElementTree.fromstring(render_to_string('show_circuit.html', {'name':name}))
+        
+    
+def makeExtension(configs=None) :
+    print "Here"
+    return CircuitExtension(configs=configs)

simplewiki/mdx_mathjax.py

 # Source: https://github.com/mayoff/python-markdown-mathjax
 
+print "Hello"
+
 import markdown
 
 class MathJaxPattern(markdown.inlinepatterns.Pattern):

simplewiki/models.py

@@ -247,6 +247,7 @@ class Revision(models.Model):
 
         # Create pre-parsed contents - no need to parse on-the-fly
         ext = WIKI_MARKDOWN_EXTENSIONS
+        print "Waka", WIKI_MARKDOWN_EXTENSIONS
         ext += ["wikilinks(base_url=%s/)" % reverse('wiki_view', args=('',))]
         self.contents_parsed = markdown(self.contents,
                                         extensions=ext,

simplewiki/settings.py

@@ -91,9 +91,10 @@ WIKI_MARKDOWN_EXTENSIONS = getattr(settings, 'SIMPLE_WIKI_MARKDOWN_EXTENSIONS',
                             'mathjax',
                             'camelcase', # CamelCase-style wikilinks
                             'video',      # In-line embedding for YouTube, etc.
-                            #'image'       # In-line embedding for images - too many bugs. It has a failed REG EXP.
+                            'circuit' 
                             ])
 
+print WIKI_MARKDOWN_EXTENSIONS
 
 WIKI_IMAGE_EXTENSIONS       = getattr(settings, 
                                 'SIMPLE_WIKI_IMAGE_EXTENSIONS',

simplewiki/templates/simplewiki_base.html

@@ -9,6 +9,11 @@
 <link rel="stylesheet" href="/static/css/local.css" type="text/css" media="all" />
 <link href="/static/css/jquery-ui-1.8.16.custom.css" rel="stylesheet" type="text/css"/>
 <script type="text/javascript" src="/static/simplewiki/js/bsn.AutoSuggest_c_2.0.js"></script>
+<script type="text/javascript" src="/static/js/schematic.js"></script>
+<script type="text/javascript" src="/static/lib/jquery-1.6.2.min.js"></script> 
+<script type="text/javascript" src="/static/js/video_player.js"></script>
+
+
 <script type="text/javascript">
 	function set_related_article_id(s) {
 		document.getElementById('wiki_related_input_id').value = s.id;
@@ -35,6 +40,24 @@
               displayMath: [ ['$$','$$'], ["\\[","\\]"]]}
   });
 </script> <script type="text/javascript" src="/static/lib/mathjax/MathJax.js?config=TeX-AMS_HTML-full"></script> 
+<script>
+$(function(){
+$.ajaxSetup ({
+    // Disable caching of AJAX responses
+    cache: false
+});
+
+$(".div_wiki_circuit").each(function(d,e) {
+   id = $(this).attr("id");
+   name = id.substring(17);
+   //alert(name);
+   $("#"+id).load("/edit_circuit/"+name);
+   f=this;
+});
+
+update_schematics();});
+</script>
+
 {% block wiki_head %}
 {% endblock %}
 </head>

urls.py

@@ -37,6 +37,9 @@ urlpatterns = ('',
         name='auth_password_reset_complete'),
     url(r'^password_reset_done/$',django.contrib.auth.views.password_reset_done,
         name='auth_password_reset_done'),
+#    url(r'^show_circuit/(?P<circuit>[^/]*)$', 'circuit.views.show_circuit'),
+    url(r'^edit_circuit/(?P<circuit>[^/]*)$', 'circuit.views.edit_circuit'),
+    url(r'^save_circuit/(?P<circuit>[^/]*)$', 'circuit.views.save_circuit'),
 )
 
 if settings.ASKBOT_ENABLED: