text: # -*- coding: utf-8 -*-
  from __future__ import unicode_literals
  
  from django.db import models, migrations
  from django.core.files import File
  
  def update_gitlab_system_user_photo_to_v2(apps, schema_editor):
      # We get the model from the versioned app registry;
      # if we directly import it, it'll be the wrong version
      User = apps.get_model("users", "User")
      db_alias = schema_editor.connection.alias
  
      try:
          user = User.objects.using(db_alias).get(username__startswith="gitlab-",
                                                  is_active=False,
                                                  is_system=True)
          f = open("taiga/hooks/gitlab/migrations/logo-v2.png", "rb")
          user.photo.save("logo.png", File(f))
          user.save()
          f.close()
      except User.DoesNotExist:
          pass
  
  def update_gitlab_system_user_photo_to_v1(apps, schema_editor):
      # We get the model from the versioned app registry;
      # if we directly import it, it'll be the wrong version
      User = apps.get_model("users", "User")
      db_alias = schema_editor.connection.alias
  
      try:
          user = User.objects.using(db_alias).get(username__startswith="gitlab-",
                                                  is_active=False,
                                                  is_system=True)
          f = open("taiga/hooks/gitlab/migrations/logo.png", "rb")
          user.photo.save("logo.png", File(f))
          user.save()
          f.close()
      except User.DoesNotExist:
          pass
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('gitlab', '0001_initial'),
          ('users', '0011_user_theme'),
      ]
  
      operations = [
          migrations.RunPython(update_gitlab_system_user_photo_to_v2,
                               update_gitlab_system_user_photo_to_v1),
      ]
  