Google app engine handle html form post array

Question

My HTML code as following:

<INPUT type="text" name="txt[]">
<INPUT type="checkbox" name="chk[]"/>

I get the value in PHP by

<?php
$chkbox = $_POST['chk'];
$txtbox = $_POST['txt'];

foreach($txtbox as $a => $b)
  echo "$chkbox[$a]  -  $txtbox[$a] <br />";
?>

How do get the value in Google App Engine using Python?

I've been searching for a related issue for a while, now, and suggest that this question be edited so that it is more readily searchable / found. It took an IRC chat with an awesome individual in the #appengine room to link me to this question. — Danny
– Danny, Commented Oct 5, 2012 at 21:26

moraes · Accepted Answer · 2010-07-27 09:13:08Z

8

You don't need that trick in Python. You can have for example many fields with the same names:

<INPUT type="text" name="txt">
<INPUT type="text" name="txt">
<INPUT type="text" name="txt">

<INPUT type="checkbox" name="chk">
<INPUT type="checkbox" name="chk">
<INPUT type="checkbox" name="chk">

Then get a list of all posted values for those names and merge them using zip(). Example for webapp (which uses webob as request wrapper):

txt = self.request.POST.getall('txt')
chk = self.request.POST.getall('chk')

for txt_value, chk_value in zip(txt, chk):
    print '%s - %s<br />' % (txt_value, chk_value)

answered Jul 27, 2010 at 9:13

moraes

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1 Comment

rvighne Over a year ago

Nice, here's the relevant docs: webapp-improved.appspot.com/guide/request.html

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