django-orchestra/orchestra/apps/websites/forms.py

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from django import forms
from django.core.exceptions import ValidationError
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from django.utils.encoding import force_text
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from django.utils.translation import ugettext_lazy as _
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from .validators import validate_domain_protocol
class WebsiteAdminForm(forms.ModelForm):
def clean(self):
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""" Prevent multiples domains on the same protocol """
domains = self.cleaned_data.get('domains')
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if not domains:
return self.cleaned_data
protocol = self.cleaned_data.get('protocol')
for domain in domains.all():
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try:
validate_domain_protocol(self.instance, domain, protocol)
except ValidationError as e:
# TODO not sure about this one
self.add_error(None, e)
return self.cleaned_data
class WebsiteDirectiveInlineFormSet(forms.models.BaseInlineFormSet):
""" Validate uniqueness """
def clean(self):
values = {}
for form in self.forms:
name = form.cleaned_data.get('name', None)
if name is not None:
directive = form.instance.directive_class
if directive.unique_name and name in values:
form.add_error(None, ValidationError(
_("Only one %s can be defined.") % directive.get_verbose_name()
))
value = form.cleaned_data.get('value', None)
if value is not None:
if directive.unique_value and value in values.get(name, []):
form.add_error('value', ValidationError(
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_("This value is already used by other %s.") % force_text(directive.get_verbose_name())
))
try:
values[name].append(value)
except KeyError:
values[name] = [value]