im trying so submit a webpage that has checkboxes and i need up to 10 of these checkboxes checked
the problem is when i try to assign them to one name in a dict it only assigns the last one not all 10
so how can i do this here is the request code:
forms = {"_ref_ck": ref,
"type": "create",
"selected_items[]": sel_itms[0],
"selected_items[]": sel_itms[1],
"selected_items[]": sel_itms[2],
"selected_items[]": sel_itms[3],
"selected_items[]": sel_itms[4],
"selected_items[]": sel_itms[5],
"selected_items[]": sel_itms[6],
"selected_items[]": sel_itms[7],
"selected_items[]": sel_itms[8],
"selected_items[]": sel_itms[9]
}
data = urllib.urlencode(forms)
req = urllib2.Request('http://www.neopets.com/island/process_tradingpost.phtml',data)
res = self.opener.open(req)
html = res.read()
this works but i only sends one value for "selected_itmes[]" when i look at the actual request in a web debugging proxy it sends multiple values for "selected_items[]" but i dont know how to do it with python
please help Thank you!!
The problem has nothing to do with urlencode; it's that a Python dict can't hold multiple values for the same key. You can see this by printing out forms before you send it—there's only one value there for selected_items[]. That one value gets encoded just fine.
As the documentation explains, there are two ways around this.
First, you can attach a sequence of values to one key, and use the doseq=True flag:
forms = {"_ref_ck": ref,
"type": "create",
"selected_items[]": sel_itms[:10]
}
data = urllib.urlencode(forms, doseq=True)
Alternatively, you can pass a sequence of two-element tuples instead of a mapping:
forms = (("_ref_ck", ref),
("type", "create"),
("selected_items[]", sel_itms[0]),
("selected_items[]", sel_itms[1]),
# ...
)
data = urllib.urlencode(forms)
(You can also use a custom Mapping type that allows repeated keys, instead of a standard dict, but that's probably overkill. Especially since the usual way to construct such a custom Mapping type is by passing it a sequence of key-value pairs…)