def update_subscriptions(user, device, add, remove):
for a in add:
if a in remove:
raise IntegrityError('can not add and remove %s at the same time' % a)
add_s = list(sanitize_urls(add, 'podcast'))
rem_s = list(sanitize_urls(remove, 'podcast'))
assert len(add) == len(add_s) and len(remove) == len(rem_s)
updated_urls = filter(lambda (a, b): a != b, zip(add + remove, add_s + rem_s))
add_s = filter(None, add_s)
rem_s = filter(None, rem_s)
# If two different URLs (in add and remove) have
# been sanitized to the same, we ignore the removal
rem_s = filter(lambda x: x not in add_s, rem_s)
subscriber = BulkSubscribe(user, device)
for a in add_s:
subscriber.add_action(a, 'subscribe')
for r in rem_s:
subscriber.add_action(r, 'unsubscribe')
try:
subscriber.execute()
except BulkException as be:
for err in be.errors:
log('Advanced API: %(username)s: Updating subscription for '
'%(podcast_url)s on %(device_uid)s failed: '
'%(rerror)s (%(reason)s)'.format(username=user.username,
podcast_url=err.doc, device_uid=device.uid,
error=err.error, reason=err.reason)
)
return updated_urls
def upload(request):
try:
emailaddr = request.POST['username']
password = request.POST['password']
action = request.POST['action']
protocol = request.POST['protocol']
opml = request.FILES['opml'].read()
except MultiValueDictKeyError:
return HttpResponse("@PROTOERROR", mimetype='text/plain')
user = auth(emailaddr, password)
if (not user):
return HttpResponse('@AUTHFAIL', mimetype='text/plain')
dev = get_device(user, LEGACY_DEVICE_UID,
request.META.get('HTTP_USER_AGENT', ''))
existing_urls = [x.url for x in dev.get_subscribed_podcasts()]
i = Importer(opml)
podcast_urls = [p['url'] for p in i.items]
podcast_urls = sanitize_urls(podcast_urls)
podcast_urls = filter(lambda x: x, podcast_urls)
new = [u for u in podcast_urls if u not in existing_urls]
rem = [u for e in existing_urls if u not in podcast_urls]
#remove duplicates
new = list(set(new))
rem = list(set(rem))
for n in new:
try:
p = Podcast.for_url(n, create=True)
except IntegrityError, e:
log('/upload: Error trying to get podcast object: %s (error: %s)' % (n, e))
continue
try:
p.subscribe(user, dev)
except Exception as e:
log('Legacy API: %(username)s: could not subscribe to podcast %(podcast_url)s on device %(device_id)s: %(exception)s' %
{'username': user.username, 'podcast_url': p.url, 'device_id': dev.id, 'exception': e})
def parse_subscription(raw_post_data, format):
if format == 'txt':
urls = raw_post_data.split('\n')
elif format == 'opml':
begin = raw_post_data.find('<?xml')
end = raw_post_data.find('</opml>') + 7
i = Importer(content=raw_post_data[begin:end])
urls = [p['url'] for p in i.items]
elif format == 'json':
begin = raw_post_data.find('[')
end = raw_post_data.find(']') + 1
urls = json.loads(raw_post_data[begin:end])
else:
return []
urls = sanitize_urls(urls)
urls = filter(None, urls)
urls = set(urls)
return urls
