[Twisted-web] Using HTTPClientFactory to send POST form data

Aaron DeVore aaron.devore at gmail.com
Wed Aug 6 22:49:04 EDT 2008

Oops, I should have checked that code example a bit better. The line should
read (with urllib.urlencode imported):

HTTPClientFactory(url, postdata=3Durlencode(postdata), headers=3D{
'Content-Type': 'application/x-www-form-urlencoded; charset=3Dutf-8'})

On Wed, Aug 6, 2008 at 2:17 PM, Jean-Paul Calderone <exarkun at divmod.com>wro=

> On Wed, 6 Aug 2008 15:09:29 -0700, Aaron DeVore <aaron.devore at gmail.com>
> wrote:
>> I'm working on a project that needs to send data in a fashion that is
>> identical to what is sent via an HTML form with method=3D"post". I picked
>> HTTPClientFactory for the requests but I'm having a hard time figuring o=
>> how to send the post data. So far I have tried something approximately
>> like:
>> <code>
>> post =3D {}
>> post['name'] =3D val
>> clientFactory =3D HTTPClientFactory(url, method=3D"POST",
>> headers=3D{'Content-Type': "application/x-www-form-urlencoded;
>> charset=3Dutf-8"})
>> reactory.connectTCP(urlparse(self.currentRequestURL)[1], 80,
>> self.currentClientFactory)
>> </code>
>> When I go to a PHP script that prints out the $_POST array it shows that
>> the
>> $_POST array is empty.
>> What am I doing wrong? How would I go about solving the problem?
> You didn't actually supply the post data to the HTTPClientFactory.
> The default is to post an empty string.  You need to supply a value
> for the `postdata=B4 parameter.  You also need to encode this yourself,
> since `postdata=B4 accepts a string, not a dict.
> Jean-Paul
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