field_name = models.EmailField (max_length = 254, ** options )
EmailField has one optional required argument:
The maximum length (in characters) of the field. Maximum
max_length applies at the database level and when validated by Django using MaxLengthValidator .
Django EmailField Model Explained
EmailField illustration using example. Consider a project named
pythonengineering that has an application named
Refer to the following articles to check how to create a project and an app in Django.
Enter the following code into the
models.py file of the geeks application.
Add the geek app to
Now when we run
makemigrations from the terminal,
Python manage.py makemigrations
A new folder named migrations will be created in the
geeks directory with a file named
Python manage.py migrate
geeks_field EmailField created when you run migrations in the project. This is the field to store the email address in the database.
How to use EmailField?
EmailField is used to store the email address in the database. You can store an email id from any domain. Let’s try to save an instance of the email id in the model created above.
Now let’s check this on the admin server. We have created an instance of GeeksModel.
Field options — they are arguments given to each field to apply some constraint or to convey a particular characteristic to a particular field. For example, adding the
null = True argument to the EmailField will allow it to store empty values for that table in a relational database.
Here are the field options and attributes that EmailField can use.
|Null||If True , Django will store empty values as NULL in the database. Default is False.|
|Blank||If True , the field is allowed to be blank ... Default is False.|
|Choices||An iterable (eg, a list or tuple) of 2-tuples to use as choices for this field.|
|Default||The default value for the field. This can be a value or a callable object. If callable it will be called every time a new object is created.|
|help_text||Extra “help” text to be displayed with the form widget. It’s useful for documentation even if your field isn’t used on a form.|
|primary_key||If True, this field is the primary key for the model .|
|Unique||If True, this field must be unique throughout the table.|