Thanks for the answers!
El dom., 9 ago. 2020 a las 11:16, Liu Zheng (<firstday2...@gmail.com>)
escribió:
> All the previous answers are great to explain the reason. Just want to
> add: if you do not desire empty string in form and in shell, you probably
> need to add a min_length validation condition
>
> On Sun, Aug 9, 2020 at 12:42 PM Stephen J. Butler <
> stephen.but...@gmail.com> wrote:
>
>> If you look at the documentation for 'blank' it says:
>>
>> """
>> Note that this is different than null. null is purely database-related,
>> whereas blank is validation-related. If a field has blank=True, *form
>> validation* will allow entry of an empty value. If a field has
>> blank=False, the field will be required.
>> """
>>
>> So that is only caught when doing form validation, not when doing model
>> validation.
>>
>>
>> On Fri, Aug 7, 2020 at 6:46 AM Juan D. <juan.diaz.ali...@gmail.com>
>> wrote:
>>
>>> I've created a model with null and blank set to False in robot_name:
>>>
>>> class Robot(models.Model):
>>>
>>> robot_name = models.CharField(max_length=200, null=False, blank=False)
>>> version = models.CharField(max_length=20, blank=True, null=True)
>>>
>>> class Meta:
>>> unique_together = ('robot_name', 'version',)
>>>
>>> On the admin website everything works perfectly and I am not allowed to
>>> create a robot without a name. However, on the shell:
>>>
>>> Robot.objects.create(version="test_version")
>>>
>>> doesn't raise any Exception.
>>>
>>> What could it be?
>>>
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