I have an app with one backend running. Call it "fred".
My web client hits my app on the default version (as is normal). The
handler sets up a channel subscription, yada yada. Other bits of the
code happily send information up the channel using
channel.send_message() .
My backend, however, is in a different code version (called "fred",
same as the channel, this is how backends work as far as I can tell).
So I have two versions: default and "fred".
When the backend "fred" tries to call channel.send_message for a
channel established outside the backend (ie: in code running the
default version), it fails silently. I believe this is because the
subscription id is invalid, given that we're in the wrong codebase
("fred", rather than default).
I've been able to get around this by making a call to a handler on the
default codebase to do the channel.send_message() on "fred"'s behalf
(ie: using <appid>.appspot.com rather than fred.<appid>.appspot.com).
This then works.
Possibly all of this would go away if I was using modules. At some
point in the future I'll convert over.
But I guess I'm just putting this here so someone might notice this
(it's a bit of a trap, a bit annoying), and maybe might tell me if I'm
doing something obviously wrong, need to do it differently.
Thanks
--
Emlyn
http://point7.wordpress.com - My blog
https://plus.google.com/u/0/100281903174934656260 - Google+
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