from django.db import models class PersonWithDefaultMaxLengths(models.Model): email = models.EmailField() vcard = models.FileField(upload_to='/tmp') homepage = models.URLField() avatar = models.FilePathField() class PersonWithCustomMaxLengths(models.Model): email = models.EmailField(max_length=250) vcard = models.FileField(upload_to='/tmp', max_length=250) homepage = models.URLField(max_length=250) avatar = models.FilePathField(max_length=250)