text: # -*- coding: utf-8 -*-
  # Generated by Django 1.11.16 on 2018-10-11 17:28
  from __future__ import unicode_literals
  
  from django.db import migrations
  from django.contrib.auth.hashers import make_password
  
  
  def forwards_func(apps, schema_editor):
      User = apps.get_model('auth', 'User')
  
      old_password_patterns = (
          'sha1$',
          # RTD's production database doesn't have any of these
          # but they are included for completeness
          'md5$',
          'crypt$',
      )
      for pattern in old_password_patterns:
          users = User.objects.filter(password__startswith=pattern)
          for user in users:
              user.password = make_password(None)
              user.save()
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('core', '0004_ad-opt-out'),
          ('auth', '0008_alter_user_username_max_length'),
      ]
  
      operations = [
          migrations.RunPython(forwards_func),
      ]
  