On Sun, Jun 26, 2011 at 9:41 PM, nischalshetty
<[email protected]> wrote:
> If you're using the appengine mail api be sure you want that or something
> along the lines of Amazons mail service because I remember reading a thread
> where one of the appengine devs said the email service is not meant for
> large amount of emails (clients would block your email and many others might
> take it to be spam)
Yes I know about this. We will use SendGrid after Beta release, but
for Alpha, we plan to use the GAE mail API simply to keep things
rolling.
> How about querying the datastore and making use of a cursor. Pass the cursor
> value to the new tasks. Will that work for you?
The mailing lists are generated dynamically. So once the list is
compiled from the data in the datastore, I would not like to store it,
and then repeatedly read it from the datastore each time a task is
executed. What I do is:
mailing_list = generate_list(from=some_data)
task.add(url='/url/to/task',
params={'mailing_list': mailing_list.join(',')})
and in the task handler (when I want to do a batch of 50 emails in one task):
mailing_list = params.POST.get('mailing_list').split(',')
to_process = mailing_list[50:]
the_rest = mailing_list[:50]
or in case I want to go one by one:
to_process = mailing_list.pop(0)
the_rest = mailing_list
enqueue the_rest, and process to_process. I haven't tested this yet,
but I'm wondering if it's better to go one-by-one or many-by-many.
--
Branko Vukelić
[email protected]
Lead Developer
Herd Hound (tm) - Travel that doesn't bite
www.herdhound.com
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