def process_course_media(request, media_element, course, user):
for file_element in media_element.findall('file'):
media = Media()
media.course = course
media.filename = file_element.get("filename")
url = file_element.get("download_url")
media.digest = file_element.get("digest")
if len(url) > Media.URL_MAX_LENGTH:
msg_text = _(u'File %(filename)s has a download URL larger \
than the maximum length permitted. The media file \
has not been registered, so it won\'t be tracked. \
Please, fix this issue and upload the course \
again.') % {'filename': media.filename}
messages.info(request, msg_text)
CoursePublishingLog(course=course,
user=user,
action="media_url_too_long",
data=msg_text).save()
else:
media.download_url = url
# get any optional attributes
for attr_name, attr_value in file_element.attrib.items():
if attr_name == "length":
media.media_length = attr_value
if attr_name == "filesize":
media.filesize = attr_value
media.save()
# save gamification events
gamification = file_element.find('gamification')
events = parse_gamification_events(gamification)
process_course_media_events(request, media, events, course, user)
def parse_course_contents(req, xml_doc, course, user, new_course, process_quizzes_locally):
# add in any baseline activities
for meta in xml_doc.getElementsByTagName("meta")[:1]:
if meta.getElementsByTagName("activity").length > 0:
section = Section(
course=course,
title='{"en": "Baseline"}',
order=0
)
section.save()
for act in meta.getElementsByTagName("activity"):
parse_and_save_activity(req, user, section, act, new_course, process_quizzes_locally, is_baseline=True)
# add all the sections and activities
for structure in xml_doc.getElementsByTagName("structure")[:1]:
if structure.getElementsByTagName("section").length == 0:
course.delete()
messages.info(req, _("There don't appear to be any activities in this upload file."))
return
for idx, s in enumerate(structure.getElementsByTagName("section")):
# Check if the section contains any activity (to avoid saving an empty one)
activities = s.getElementsByTagName("activities")[:1]
if not activities or activities[0].getElementsByTagName("activity").length == 0:
messages.info(req, _("Section ") + str(idx + 1) + _(" does not contain any activities."))
continue
title = {}
for t in s.childNodes:
if t.nodeName == 'title':
title[t.getAttribute('lang')] = t.firstChild.nodeValue
section = Section(
course=course,
title=json.dumps(title),
order=s.getAttribute("order")
)
section.save()
for activities in s.getElementsByTagName("activities")[:1]:
for act in activities.getElementsByTagName("activity"):
parse_and_save_activity(req, user, section, act, new_course, process_quizzes_locally)
media_element_list = [node for node in xml_doc.firstChild.childNodes if node.nodeName == 'media']
media_element = None
if len(media_element_list) > 0:
media_element = media_element_list[0]
if media_element is not None:
for file_element in media_element.childNodes:
if file_element.nodeName == 'file':
media = Media()
media.course = course
media.filename = file_element.getAttribute("filename")
url = file_element.getAttribute("download_url")
media.digest = file_element.getAttribute("digest")
if len(url) > Media.URL_MAX_LENGTH:
print(url)
messages.info(req, _('File %(filename)s has a download URL larger than the maximum length permitted. The media file has not been registered, so it won\'t be tracked. Please, fix this issue and upload the course again.') % {'filename': media.filename})
else:
media.download_url = url
# get any optional attributes
for attr_name, attr_value in file_element.attributes.items():
if attr_name == "length":
media.media_length = attr_value
if attr_name == "filesize":
media.filesize = attr_value
media.save()
# save gamification events
if file_element.getElementsByTagName('gamification')[:1]:
events = parse_gamification_events(file_element.getElementsByTagName('gamification')[0])
# remove anything existing for this course
MediaGamificationEvent.objects.filter(media=media).delete()
# add new
for event in events:
e = MediaGamificationEvent(user=user, media=media, event=event['name'], points=event['points'])
e.save()
def handle_uploaded_file(f, extract_path, request, user):
zipfilepath = settings.COURSE_UPLOAD_DIR + f.name
with open(zipfilepath, 'wb+') as destination:
for chunk in f.chunks():
destination.write(chunk)
zip = zipfile.ZipFile(zipfilepath)
zip.extractall(path=extract_path)
mod_name = ''
for dir in os.listdir(extract_path)[:1]:
mod_name = dir
# check there is at least a sub dir
if mod_name == '':
messages.info(request, _("Invalid course zip file"))
return False
# check that the
if not os.path.isfile(os.path.join(extract_path, mod_name, "module.xml")):
messages.info(request,
_("Zip file does not contain a module.xml file"))
return False
# parse the module.xml file
print extract_path
print mod_name
doc = xml.dom.minidom.parse(
os.path.join(extract_path, mod_name, "module.xml"))
for meta in doc.getElementsByTagName("meta")[:1]:
versionid = 0
for v in meta.getElementsByTagName("versionid")[:1]:
versionid = int(v.firstChild.nodeValue)
temp_title = {}
for t in meta.childNodes:
if t.nodeName == "title":
temp_title[t.getAttribute('lang')] = t.firstChild.nodeValue
title = json.dumps(temp_title)
temp_description = {}
for t in meta.childNodes:
if t.nodeName == "description":
if t.firstChild is not None:
temp_description[t.getAttribute(
'lang')] = t.firstChild.nodeValue
else:
temp_description[t.getAttribute('lang')] = None
description = json.dumps(temp_description)
shortname = ''
for sn in meta.getElementsByTagName("shortname")[:1]:
shortname = sn.firstChild.nodeValue
old_course_filename = None
# Find if course already exists
try:
print shortname
course = Course.objects.get(shortname=shortname)
old_course_filename = course.filename
# check that the current user is allowed to wipe out the other course
if course.user != user:
messages.info(
request,
_("Sorry, only the original owner may update this course"))
return False
# check if course version is older
if course.version > versionid:
messages.info(request,
_("A newer version of this course already exists"))
return False
# wipe out the old sections/activities/media
oldsections = Section.objects.filter(course=course)
oldsections.delete()
oldmedia = Media.objects.filter(course=course)
oldmedia.delete()
course.shortname = shortname
course.title = title
course.description = description
course.version = versionid
course.user = user
course.filename = f.name
course.lastupdated_date = timezone.now()
course.save()
except Course.DoesNotExist:
course = Course()
course.shortname = shortname
course.title = title
course.description = description
course.version = versionid
course.user = user
course.filename = f.name
course.is_draft = True
course.save()
# add in any baseline activities
for meta in doc.getElementsByTagName("meta")[:1]:
if meta.getElementsByTagName("activity").length > 0:
section = Section()
section.course = course
section.title = '{"en": "Baseline"}'
section.order = 0
section.save()
for a in meta.getElementsByTagName("activity"):
parse_and_save_activity(section, a, True)
# add all the sections
for structure in doc.getElementsByTagName("structure")[:1]:
if structure.getElementsByTagName("section").length == 0:
messages.info(
request,
_("There don't appear to be any activities in this upload file."
))
course.delete()
return False
for s in structure.getElementsByTagName("section"):
temp_title = {}
for t in s.childNodes:
if t.nodeName == 'title':
temp_title[t.getAttribute('lang')] = t.firstChild.nodeValue
title = json.dumps(temp_title)
section = Section()
section.course = course
section.title = title
section.order = s.getAttribute("order")
section.save()
# add all the activities
for activities in s.getElementsByTagName("activities")[:1]:
for a in activities.getElementsByTagName("activity"):
parse_and_save_activity(section, a, False)
# add all the media
for file in doc.lastChild.lastChild.childNodes:
if file.nodeName == 'file':
media = Media()
media.course = course
media.filename = file.getAttribute("filename")
media.download_url = file.getAttribute("download_url")
media.digest = file.getAttribute("digest")
# get any optional attributes
for attrName, attrValue in file.attributes.items():
if attrName == "length":
media.media_length = attrValue
if attrName == "filesize":
media.filesize = attrValue
media.save()
if old_course_filename is not None and old_course_filename != course.filename:
try:
os.remove(settings.COURSE_UPLOAD_DIR + old_course_filename)
except OSError:
pass
# Extract the final file into the courses area for preview
zipfilepath = settings.COURSE_UPLOAD_DIR + f.name
with open(zipfilepath, 'wb+') as destination:
for chunk in f.chunks():
destination.write(chunk)
zip = zipfile.ZipFile(zipfilepath)
course_preview_path = settings.MEDIA_ROOT + "courses/"
zip.extractall(path=course_preview_path)
# remove the temp upload files
shutil.rmtree(extract_path, ignore_errors=True)
return course
def handle_uploaded_file(f, extract_path, request):
zipfilepath = settings.COURSE_UPLOAD_DIR + f.name
with open(zipfilepath, 'wb+') as destination:
for chunk in f.chunks():
destination.write(chunk)
zip = zipfile.ZipFile(zipfilepath)
zip.extractall(path=extract_path)
mod_name = ''
for dir in os.listdir(extract_path)[:1]:
mod_name = dir
# check there is at least a sub dir
if mod_name == '':
messages.info(request,_("Invalid course zip file"))
return False
# check that the
if not os.path.isfile(extract_path + mod_name + "/module.xml"):
messages.info(request,_("Zip file does not contain a module.xml file"))
return False
# parse the module.xml file
doc = xml.dom.minidom.parse(extract_path + mod_name + "/module.xml")
for meta in doc.getElementsByTagName("meta")[:1]:
versionid = 0
for v in meta.getElementsByTagName("versionid")[:1]:
versionid = int(v.firstChild.nodeValue)
temp_title = {}
for t in meta.childNodes:
if t.nodeName == "title":
temp_title[t.getAttribute('lang')] = t.firstChild.nodeValue
title = json.dumps(temp_title)
temp_description = {}
for t in meta.childNodes:
if t.nodeName == "description":
if t.firstChild is not None:
temp_description[t.getAttribute('lang')] = t.firstChild.nodeValue
else:
temp_description[t.getAttribute('lang')] = None
description = json.dumps(temp_description)
shortname = ''
for sn in meta.getElementsByTagName("shortname")[:1]:
shortname = sn.firstChild.nodeValue
old_course_filename = None
# Find if course already exists
try:
course = Course.objects.get(shortname = shortname)
old_course_filename = course.filename
old_course_version = course.version
# check that the current user is allowed to wipe out the other course
if course.user != request.user:
messages.info(request,_("Sorry, only the original owner may update this course"))
return False
# check if course version is older
if course.version > versionid:
messages.info(request,_("A newer version of this course already exists"))
return False
# wipe out the old sections/activities/media
oldsections = Section.objects.filter(course = course)
oldsections.delete()
oldmedia = Media.objects.filter(course = course)
oldmedia.delete()
course.shortname = shortname
course.title = title
course.description = description
course.version = versionid
course.user = request.user
course.filename = f.name
course.lastupdated_date = datetime.datetime.now()
course.save()
except Course.DoesNotExist:
course = Course()
course.shortname = shortname
course.title = title
course.description = description
course.version = versionid
course.user = request.user
course.filename = f.name
course.is_draft = True
course.save()
# add in any baseline activities
for meta in doc.getElementsByTagName("meta")[:1]:
if meta.getElementsByTagName("activity").length > 0:
section = Section()
section.course = course
section.title = '{"en": "Baseline"}'
section.order = 0
section.save()
for a in meta.getElementsByTagName("activity"):
activity_create(section, a,True)
# add all the sections
for structure in doc.getElementsByTagName("structure")[:1]:
if structure.getElementsByTagName("section").length == 0:
messages.info(request,_("There don't appear to be any activities in this upload file."))
course.delete()
return False
for s in structure.getElementsByTagName("section"):
temp_title = {}
for t in s.childNodes:
if t.nodeName == 'title':
temp_title[t.getAttribute('lang')] = t.firstChild.nodeValue
title = json.dumps(temp_title)
section = Section()
section.course = course
section.title = title
section.order = s.getAttribute("order")
section.save()
# add all the activities
for activities in s.getElementsByTagName("activities")[:1]:
for a in activities.getElementsByTagName("activity"):
activity_create(section, a,False)
# add all the media
for file in doc.lastChild.lastChild.childNodes:
if file.nodeName == 'file':
media = Media()
media.course = course
media.filename = file.getAttribute("filename")
media.download_url = file.getAttribute("download_url")
media.digest = file.getAttribute("digest")
# get any optional attributes
for attrName, attrValue in file.attributes.items():
if attrName == "length":
media.media_length = attrValue
if attrName == "filesize":
media.filesize = attrValue
media.save()
if old_course_filename is not None and old_course_filename != course.filename:
os.remove(settings.COURSE_UPLOAD_DIR + old_course_filename)
#Extract the final file into the courses area for preview
zipfilepath = settings.COURSE_UPLOAD_DIR + f.name
with open(zipfilepath, 'wb+') as destination:
for chunk in f.chunks():
destination.write(chunk)
zip = zipfile.ZipFile(zipfilepath)
course_preview_path = settings.MEDIA_ROOT + "courses/"
zip.extractall(path=course_preview_path)
return course
def parse_course_contents(req, xml_doc, course, user, new_course,
process_quizzes_locally):
# add in any baseline activities
for meta in xml_doc.findall('meta')[:1]:
activities = meta.findall("activity")
if len(activities) > 0:
section = Section(course=course,
title='{"en": "Baseline"}',
order=0)
section.save()
for act in activities:
parse_and_save_activity(req,
user,
section,
act,
new_course,
process_quizzes_locally,
is_baseline=True)
# add all the sections and activities
structure = xml_doc.find("structure")
if len(structure.findall("section")) == 0:
course.delete()
messages.info(
req,
_("There don't appear to be any activities in this upload file."))
return
for idx, s in enumerate(structure.findall("section")):
activities = s.find('activities')
# Check if the section contains any activity (to avoid saving an empty one)
if activities is None or len(activities.findall('activity')) == 0:
messages.info(
req,
_("Section ") + str(idx + 1) +
_(" does not contain any activities."))
continue
title = {}
for t in s.findall('title'):
title[t.get('lang')] = t.text
section = Section(course=course,
title=json.dumps(title),
order=s.get('order'))
section.save()
for act in activities.findall("activity"):
parse_and_save_activity(req, user, section, act, new_course,
process_quizzes_locally)
media_element = xml_doc.find('media')
if media_element is not None:
for file_element in media_element.findall('file'):
media = Media()
media.course = course
media.filename = file_element.get("filename")
url = file_element.get("download_url")
media.digest = file_element.get("digest")
if len(url) > Media.URL_MAX_LENGTH:
messages.info(
req,
_('File %(filename)s has a download URL larger than the maximum length permitted. The media file has not been registered, so it won\'t be tracked. Please, fix this issue and upload the course again.'
) % {'filename': media.filename})
else:
media.download_url = url
# get any optional attributes
for attr_name, attr_value in file_element.attrib.items():
if attr_name == "length":
media.media_length = attr_value
if attr_name == "filesize":
media.filesize = attr_value
media.save()
# save gamification events
gamification = file_element.find('gamification')
events = parse_gamification_events(gamification)
for event in events:
# Only add events if the didn't exist previously
e, created = MediaGamificationEvent.objects.get_or_create(
media=media,
event=event['name'],
defaults={
'points': event['points'],
'user': req.user
})
if created:
messages.info(
req,
_('Gamification for "%(event)s" at course level added'
) % {'event': e.event})
def handle_uploaded_file(f, extract_path, request):
zipfilepath = settings.COURSE_UPLOAD_DIR + f.name
with open(zipfilepath, 'wb+') as destination:
for chunk in f.chunks():
destination.write(chunk)
zip = zipfile.ZipFile(zipfilepath)
zip.extractall(path=extract_path)
mod_name = ''
for dir in os.listdir(extract_path)[:1]:
mod_name = dir
# check there is at least a sub dir
if mod_name == '':
messages.info(request, _("Invalid course zip file"))
return False
# check that the
if not os.path.isfile(extract_path + mod_name + "/module.xml"):
messages.info(request,
_("Zip file does not contain a module.xml file"))
return False
# parse the module.xml file
doc = xml.dom.minidom.parse(extract_path + mod_name + "/module.xml")
for meta in doc.getElementsByTagName("meta")[:1]:
versionid = 0
for v in meta.getElementsByTagName("versionid")[:1]:
versionid = int(v.firstChild.nodeValue)
temp_title = {}
for t in meta.childNodes:
if t.nodeName == "title":
temp_title[t.getAttribute('lang')] = t.firstChild.nodeValue
title = json.dumps(temp_title)
shortname = ''
for sn in meta.getElementsByTagName("shortname")[:1]:
shortname = sn.firstChild.nodeValue
old_course_filename = None
# Find if course already exists
try:
course = Course.objects.get(shortname=shortname)
old_course_filename = course.filename
# check that the current user is allowed to wipe out the other course
if course.user != request.user:
messages.info(
request,
_("Sorry, only the original owner may update this course"))
return False
# check if course version is older
if course.version > versionid:
messages.info(request,
_("A newer version of this course already exists"))
return False
# wipe out the old sections/activities/media
oldsections = Section.objects.filter(course=course)
oldsections.delete()
oldmedia = Media.objects.filter(course=course)
oldmedia.delete()
course.shortname = shortname
course.title = title
course.version = versionid
course.user = request.user
course.filename = f.name
course.lastupdated_date = datetime.datetime.now()
course.save()
except Course.DoesNotExist:
course = Course()
course.shortname = shortname
course.title = title
course.version = versionid
course.user = request.user
course.filename = f.name
course.save()
# add all the sections
for structure in doc.getElementsByTagName("structure")[:1]:
if structure.getElementsByTagName("section").length == 0:
messages.info(
request,
_("There don't appear to be any activities in this upload file."
))
course.delete()
return False
for s in structure.getElementsByTagName("section"):
temp_title = {}
for t in s.childNodes:
if t.nodeName == 'title':
temp_title[t.getAttribute('lang')] = t.firstChild.nodeValue
title = json.dumps(temp_title)
section = Section()
section.course = course
section.title = title
section.order = s.getAttribute("order")
section.save()
# add all the activities
for activities in s.getElementsByTagName("activities")[:1]:
for a in activities.getElementsByTagName("activity"):
temp_title = {}
for t in a.getElementsByTagName("title"):
temp_title[t.getAttribute(
'lang')] = t.firstChild.nodeValue
title = json.dumps(temp_title)
activity = Activity()
activity.section = section
activity.order = a.getAttribute("order")
activity.title = title
activity.type = a.getAttribute("type")
activity.digest = a.getAttribute("digest")
activity.save()
# add all the media
for files in doc.lastChild.lastChild.childNodes:
if files.nodeName == 'file':
media = Media()
media.course = course
media.filename = files.getAttribute("filename")
media.download_url = files.getAttribute("download_url")
media.digest = files.getAttribute("digest")
media.save()
if old_course_filename is not None and course.version != versionid:
os.remove(settings.COURSE_UPLOAD_DIR + old_course_filename)
return course