Hi everyone,
Is there a way to assume one field to be invalid if another is? In the
form below, api_key can never be valid if location is not.
import urllib, urllib2
from django import forms
from websites.models import *
KEY_PARAM = 'key'
class WebsiteForm(forms.ModelForm):
api_key = forms.CharField(label='API key')
location = forms.URLField()
class Meta:
model = Website
def clean_location(self):
loc = self.cleaned_data.get('location')
try:
urllib2.urlopen(loc)
except urllib2.URLError:
raise forms.ValidationError('This location is inaccessible')
return loc
def clean_api_key(self):
key = self.cleaned_data.get('api_key')
loc = self.cleaned_data.get('location')
if loc is None:
raise forms.ValidationError(
'Could not test key, the location is inaccessible'
)
try:
urllib2.urlopen('%s%s?%s' % (loc, 'test/', urllib.urlencode({
KEY_PARAM: key
})))
except urllib2.HTTPError:
raise forms.ValidationError(
'The API location rejects this key.'
)
return key
Thomas Allen
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