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- # -*- coding: utf-8 -*-
- from __future__ import unicode_literals
- import os
- from django.core.exceptions import ValidationError
- from django import forms
- def validate_file_extension(value):
- ext = os.path.splitext(value.name)[1]
- valid_extensions = ['.csv']
- if not ext.lower() in valid_extensions:
- raise ValidationError(u'Unsupported file extension.')
- class WizardImportPaymentCSV(forms.Form):
- csv_file = forms.FileField(validators=[validate_file_extension])
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