migration views - see modulestore contents, and force reload of course

10f53d62 · ichuang · 30922fb4 · 10f53d62 · 10f53d62
Commit 10f53d62 authored Aug 03, 2012 by ichuang
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lms/djangoapps/lms_migration/__init__.py
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lms/djangoapps/lms_migration/migrate.py
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--- a/lms/djangoapps/lms_migration/__init__.py
+++ b/lms/djangoapps/lms_migration/__init__.py
--- a/lms/djangoapps/lms_migration/migrate.py
+++ b/lms/djangoapps/lms_migration/migrate.py
+#
+# migration tools for content team to go from stable-edx4edx to LMS+CMS
+#
+
+import logging
+from pprint import pprint
+import xmodule.modulestore.django as xmodule_django
+from xmodule.modulestore.django import modulestore
+
+from django.http import HttpResponse
+from django.conf import settings
+
+log = logging.getLogger("mitx.lms_migrate")
+LOCAL_DEBUG = True
+ALLOWED_IPS = settings.LMS_MIGRATION_ALLOWED_IPS
+
+def escape(s):
+    """escape HTML special characters in string"""
+    return str(s).replace('<','&lt;').replace('>','&gt;')
+
+def manage_modulestores(request,reload_dir=None):
+    '''
+    Manage the static in-memory modulestores.
+
+    If reload_dir is not None, then instruct the xml loader to reload that course directory.
+    '''
+    html = "<html><body>"
+
+    def_ms = modulestore()
+    courses = def_ms.get_courses()
+
+    #----------------------------------------
+    # check on IP address of requester
+
+    ip = request.META.get('HTTP_X_REAL_IP','')	# nginx reverse proxy
+    if not ip:
+        ip = request.META.get('REMOTE_ADDR','None')
+    
+    if LOCAL_DEBUG:
+        html += '<h3>IP address: %s ' % ip
+
+    if not (ip in ALLOWED_IPS or 'any' in ALLOWED_IPS):
+        html += 'Permission denied'
+        html += "</body></html>"
+        return HttpResponse(html)    
+
+    #----------------------------------------
+    # reload course if specified
+
+    if reload_dir is not None:
+        if reload_dir not in def_ms.courses:
+            html += "<h2><font color='red'>Error: '%s' is not a valid course directory</font></h2>" % reload_dir
+        else:
+            html += "<h2><font color='blue'>Reloaded course directory '%s'</font></h2>" % reload_dir
+            def_ms.try_load_course(reload_dir)
+
+    #----------------------------------------
+
+    html += '<h2>Courses loaded in the modulestore</h2>'
+    html += '<ol>'
+    for cdir, course in def_ms.courses.items():
+        html += '<li><a href="%s/migrate/reload/%s">%s</a> (%s)</li>' % (settings.MITX_ROOT_URL,
+                                                            escape(cdir),
+                                                            escape(cdir),
+                                                            course.location.url())
+    html += '</ol>'
+
+    #----------------------------------------
+
+    dumpfields = ['definition','location','metadata']
+    
+    for cdir, course in def_ms.courses.items():
+        html += '<hr width="100%"/>'
+        html += '<h2>Course: %s (%s)</h2>' % (course.metadata['display_name'],cdir)
+
+        for field in dumpfields:
+            data = getattr(course,field)
+            html += '<h3>%s</h3>' % field
+            if type(data)==dict:
+                html += '<ul>'
+                for k,v in data.items():
+                    html += '<li>%s:%s</li>' % (escape(k),escape(v))
+                html += '</ul>'
+            else:
+                html += '<ul><li>%s</li></ul>' % escape(data)
+        
+
+    #----------------------------------------
+
+    html += '<hr width="100%"/>'
+    html += "courses: <pre>%s</pre>" % escape(courses)
+
+    ms = xmodule_django._MODULESTORES
+    html += "modules: <pre>%s</pre>" % escape(ms)
+    html += "default modulestore: <pre>%s</pre>" % escape(unicode(def_ms))
+
+    #----------------------------------------
+
+    log.debug('_MODULESTORES=%s' % ms)
+    log.debug('courses=%s' % courses)
+    log.debug('def_ms=%s' % unicode(def_ms))
+
+    html += "</body></html>"
+    return HttpResponse(html)