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messages.info(request,_("A newer version of this course already exists"))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 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)
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
