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43 lines
1.2 KiB
Python
43 lines
1.2 KiB
Python
import binascii
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from django.core.exceptions import ValidationError
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from django.forms import CharField, Field, MultipleChoiceField
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from django.utils.translation import ugettext_lazy as _
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from graphql_relay import from_global_id
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class GlobalIDFormField(Field):
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default_error_messages = {
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'invalid': _('Invalid ID specified.'),
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}
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def clean(self, value):
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if not value and not self.required:
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return None
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try:
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_type, _id = from_global_id(value)
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except (TypeError, ValueError, UnicodeDecodeError, binascii.Error):
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raise ValidationError(self.error_messages['invalid'])
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try:
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CharField().clean(_id)
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CharField().clean(_type)
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except ValidationError:
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raise ValidationError(self.error_messages['invalid'])
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return value
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class GlobalIDMultipleChoiceField(MultipleChoiceField):
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default_error_messages = {
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'invalid_choice': _('One of the specified IDs was invalid (%(value)s).'),
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'invalid_list': _('Enter a list of values.'),
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}
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def valid_value(self, value):
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# Clean will raise a validation error if there is a problem
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GlobalIDFormField().clean(value)
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return True
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