How to hide from field based on url

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I have a search form where in normal page, I would like to hide the a field with an initial value in it. But in certain page (in Advanced Search), I would to show the field to the user. How can I get it done in the form init?

eg. The forms.py

class SearchForm(forms.Form):

    keyword = forms.CharField(label="Keyword", required=True)
    cat = forms.CharField(required=True, default='1')


    def __init__(self, *args, **kwargs):
        super(SearchForm, self).__init__(*args,**kwargs)
        self.fields['cat'].widget = forms.HiddenInput()

The above only hide the 'cat' field. How to I control the field base on the url? The urls.py:

url(r'^advance-search/$', views.AdvancedSearch, name='adv-search'),

How to passing the url to the form init? And what parameter should I check for to identify if it is the advance search page?

asked 23 secs ago

dev-jim

86

How to hide from field based on url