Show class Pessoa(models.Model): nome = models.CharField(max_length=60) fantasia = models.CharField(max_length=60, blank=True, null=True) email = models.EmailField("Endereço de E-Mail", unique=True) class Meta: abstract = True def clean_name(self): return self.cleaned_data["nome"].upper() Save > override method save class Pessoa(models.Model): nome = models.CharField(max_length=60) fantasia = models.CharField(max_length=60, blank=True, null=True) email = models.EmailField("Endereço de E-Mail", unique=True) class Meta: abstract = True def save(self, force_insert=False, force_update=False): self.nome = self.nome.upper() super(Pessoa, self).save(force_insert, force_update)