Add support for dynamically added form fields about robobrowser HOT 6 CLOSED

I think this issue is similar to mine. I have a site which reports a "blank field" when inspecting the form (ie. <RoboForm =, password=,...). The first "key" in the form is supposed to be "user". When using mechanize I can add the form manually but I don't know how to do it here. Any help would be appreciated.. :)

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Just added this in c96e4fb. You can now add a form to a field like this:

new_field = Input('<input name="foo" value="bar" />')
form.add_field(new_field)

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I've just tested your changes and it seems to work!
But i have another issue related to JS and forms:

The form i try to use has an checkbox input without an value set. When checked i see that the input gets the value "on" when submitted using a browser, but i'm not able to set this value with robobrowser.
When i try to set the value like so, i get a value [None] as result:

upload_form["check"].value = [upload_form["check"].labels[0]]

I've also tried to set it simply to True but that results in an ValueError.

Any suggestions?

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@Bouni Would you mind pasting the html for the checkbox field(s) so I can debug this better?

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Sure,

This is the Checkbox:

<label class="inline">
<input id="copyright_check" class="checkbox" type="checkbox" name="copyright_check">
I confirm that my design does not replicate, imitate or resemble copyright protected designs <a onclick="return Popup.openup(this);" href="/design-copyright-C2877">(examples here)</a>.
</label>

And this is what i see when i check the POST data with Chrome developer tools:

------WebKitFormBoundarySTOL4uSJiL8QsbJP
Content-Disposition: form-data; name="userfile"; filename="2273528_7513535_orig.ai"
Content-Type: application/illustrator


------WebKitFormBoundarySTOL4uSJiL8QsbJP
Content-Disposition: form-data; name="count_colors"

2
------WebKitFormBoundarySTOL4uSJiL8QsbJP
Content-Disposition: form-data; name="copyright_check"

on
------WebKitFormBoundarySTOL4uSJiL8QsbJP
Content-Disposition: form-data; name="designUploadToken"

8wrGnRa5bRfUvq2CVsQTRGk+X7IJd1vd7icEyVG1NsA=
------WebKitFormBoundarySTOL4uSJiL8QsbJP--
Response Headersview source

I'm not sure if on is just the developer tools way to signal that the checkbox was checked or if its actually a string "on" which is transmitted as data. I was not able to find a javascript sequence that sets "on".

Thank you very much for your efforts!

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Thanks! The issue is that the checkbox you're working with doesn't define a "value" attribute. When "value" isn't defined for a checkbox or radio button, a default of on should be used. I hadn't implemented that behavior, which explains why you were running into the error you reported. As of e53ae57, form elements with a missing "value" attribute should behave correctly:

# your code should work
upload_form["check"].value = [upload_form["check"].labels[0]]
# as should this
upload_form["check"].value = ["on"]

I'll close this issue for now, but if you continue to have problems here, feel free to reopen.

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