old_contents: from django.db import models
  
  
  class Video(models.Model):
      title = models.CharField(max_length=255)
      file_name = models.CharField(max_length=255)
      film_name = models.CharField(max_length=255, null=True, blank=True)
      realisation = models.CharField(max_length=255, null=True, blank=True)
      production = models.CharField(max_length=255, null=True, blank=True)
      photo_direction = models.CharField(max_length=255, null=True, blank=True)
      observations = models.TextField(null=True, blank=True)
  
      # montage_date = models.DateField(null=True)
      # montage_version = models.CharField(max_length=255)
      # bar_code_lto_saya = models.CharField(max_length=255)
      # bar_code_lto_prod = models.CharField(max_length=255)
  
new_contents: from django.db import models
  
  
  class Video(models.Model):
      title = models.CharField(max_length=255)
      file_name = models.CharField(max_length=255)
      film_name = models.CharField(max_length=255, null=True, blank=True)
      realisation = models.CharField(max_length=255, null=True, blank=True)
      production = models.CharField(max_length=255, null=True, blank=True)
      photo_direction = models.CharField(max_length=255, null=True, blank=True)
      observations = models.TextField(null=True, blank=True)
  
      # montage_date = models.DateField(null=True)
      # montage_version = models.CharField(max_length=255)
      # bar_code_lto_saya = models.CharField(max_length=255)
      # bar_code_lto_prod = models.CharField(max_length=255)
  
      def __unicode__(self):
          return self.title
  
subject: add __unicode__ to video