On Jul 15, 2010, at 4:32 PM, Ken MacDonald wrote:
> @defer.inlineCallbacks
> def round_val(id, value, rule):
> """
> Return first element of round_value_and_percent
> """
> defer.returnValue(round_value_and_percent(id, value, 0, rule)[0])
> When I do:
> re
Luke Marsden writes:
> We're actually using it to provide redundancy in this instance. In our
> application any request for any site can be made to any (live) server,
> so having dead servers in the pool of A records doesn't matter so long
> as real web browsers failover to some other A record wi
> @defer.inlineCallbacks
> def round_val(id, value, rule):
> """
> Return first element of round_value_and_percent
> """
> defer.returnValue(round_value_and_percent(id, value, 0, rule)[0])
> When I do:
> result = yield round_val(1, 2, 3)
>
> I get this: Defe
I have a function and two convenience functions, like this:
@defer.inlineCallbacks
def round_value_and_percent(id, value, percent):
daily = 1.
params = dict(nutidin=id, valuein=value, dvin=daily)
query = "ROUND_NUT_DV"
q_result = yield named
On 14 Jul, 04:00 pm, twisted-...@udmvt.ru wrote:
>On Wed, Jul 14, 2010 at 02:31:46AM -, exar...@twistedmatrix.com
>wrote:
>>I'll answer whatever questions I can. :)
>
>Oh, I have some questions...
>I asked some questions in the form of suggestions, well, don't take
>them seriously,
>I only as
On 01:54 pm, luke-li...@hybrid-logic.co.uk wrote:
>On Thu, 2010-07-15 at 14:28 +0100, Reza Lotun wrote:
>> > I suspect you can do this without subclassing... pass in IP address,
>>and
>> > just make sure you pass correct Host header. I forget the exact API
>> > though.
>
>[snip]
>But a separate cl
On Thu, 2010-07-15 at 14:28 +0100, Reza Lotun wrote:
> > I suspect you can do this without subclassing... pass in IP address, and
> > just make sure you pass correct Host header. I forget the exact API
> > though.
This makes sense. Conceptually I had considered it to be the
responsibility of the w
> I suspect you can do this without subclassing... pass in IP address, and
> just make sure you pass correct Host header. I forget the exact API
> though.
Yeah, I was about to say, why not just call socket.gethostbyname_ex in
deferToThread and in the callback do a regular Agent.request?
Reza
--
On Thu, 2010-07-15 at 13:33 +0100, Luke Marsden wrote:
> Thanks Itamar, this is massively useful. I'll try subclassing
> twisted.web.client.Agent to do its own DNS lookups with twisted.names so
> as to be aware of the full list of A records returned. It would then
> attempt all the IP addresses in
On Thu, 2010-07-15 at 08:06 -0400, Itamar Turner-Trauring wrote:
> On Thu, 2010-07-15 at 10:46 +0100, Reza Lotun wrote:
>
> > As for connecting to hosts that resolve to multiple A records - I
> > presume as a means of load balancing via DNS round robin
We're actually using it to provide redundanc
On Thu, 2010-07-15 at 10:46 +0100, Reza Lotun wrote:
> As for connecting to hosts that resolve to multiple A records - I
> presume as a means of load balancing via DNS round robin - I'm not
> quite sure this is natively supported in Twisted. I believe since all
> TCP connections are mediated via c
On Thu, 2010-07-15 at 10:46 +0100, Reza Lotun wrote:
> I believe since all
> TCP connections are mediated via connectTCP hostnames are ultimately
> resolved via socket.gethostbyname.
Twisted uses a thread pool to do DNS lookups by default, so this
shouldn't block anything.
_
Hi Luke,
> Is there any existing support for any Twisted HTTP client to simulate
> the behaviour of all modern browsers in that -- if an address returns
> multiple A records -- and if one IP fails (connection refused, etc) then
> the client attempts a number of the other IPs before giving up?
As
Hi all,
Is there any existing support for any Twisted HTTP client to simulate
the behaviour of all modern browsers in that -- if an address returns
multiple A records -- and if one IP fails (connection refused, etc) then
the client attempts a number of the other IPs before giving up?
If not, wher
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