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ImageField – Django Models

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  • Difficulty Level : Easy
  • Last Updated : 12 Feb, 2020

ImageField is a FileField with uploads restricted to image formats only. Before uploading files, one needs to specify a lot of settings so that file is securely saved and can be retrieved in a convenient manner. The default form widget for this field is a ClearableFileInput. In addition to the special attributes that are available for FileField, an ImageField also has height and width attributes.
ImageField requires the Pillow library. To install the same run,

 pip install Pillow 


field_name = models.ImageField(upload_to=None, height_field=None, width_field=None, max_length=100, **options)

ImageField has following optional arguments:


This attribute provides a way of setting the upload directory and file name, and can be set in two ways. In both cases, the value is passed to the method. If you specify a string value, it may contain strftime() formatting, which will be replaced by the date/time of the file upload (so that uploaded files don’t fill up the given directory). For example:

class MyModel(models.Model):
    # file will be uploaded to MEDIA_ROOT / uploads
    upload = models.ImageField(upload_to ='uploads/')
    # or...
    # file will be saved to MEDIA_ROOT / uploads / 2015 / 01 / 30
    upload = models.ImageField(upload_to ='uploads/% Y/% m/% d/')

If you are using the default FileSystemStorage, the string value will be appended to your MEDIA_ROOT path to form the location on the local filesystem where uploaded files will be stored. If you are using different storage, check that storage’s documentation to see how it handles upload_to.

upload_to may also be a callable, such as a function. This will be called to obtain the upload path, including the filename. This callable must accept two arguments and return a Unix-style path (with forward slashes) to be passed along to the storage system. The two arguments are:

instanceAn instance of the model where the ImageField is defined. More specifically, this is a particular instance where the current file is being attached.
filenameThe filename that was originally given to the file. This may or may not be taken into account when determining the final destination path

For example:

def user_directory_path(instance, filename):
    # file will be uploaded to MEDIA_ROOT / user_<id>/<filename>
    return 'user_{0}/{1}'.format(, filename)
class MyModel(models.Model):
    upload = models.ImageField(upload_to = user_directory_path)


Name of a model field which will be auto-populated with the height of the image each time the model instance is saved.


Name of a model field which will be auto-populated with the width of the image each time the model instance is saved.

Django Model ImageField Explanation

Illustration of ImageField using an Example. Consider a project named geeksforgeeks having an app named geeks.

Refer to the following articles to check how to create a project and an app in Django.

Enter the following code into file of geeks app.

from django.db import models
from django.db.models import Model
# Create your models here.
class GeeksModel(Model):
    geeks_field = models.ImageField()

Add the geeks app to INSTALLED_APPS

# Application definition

Now when we run makemigrations command from the terminal,

Python makemigrations

A new folder named migrations would be created in geeks directory with a file named

# Generated by Django 2.2.5 on 2019-09-25 06:00
from django.db import migrations, models
class Migration(migrations.Migration):
    initial = True
    dependencies = [
    operations = [
            name ='GeeksModel',
            fields =[
                  auto_created = True,
                  primary_key = True,
                  serialize = False
                  verbose_name ='ID'
                ('geeks_field', models.ImageField()),

Now run,

Python migrate

Thus, an geeks_field ImageField is created when you run migrations on the project. It is a field to store valid image files.

How to use ImageField ?

ImageField is used for storing valid image files into the database. One can any type of image file in ImageField. Let’s try storing an image in the model created above.

  • To start creating instances of model, create an admin account by using the following command.
    Python createsuperuser
  • Enter a username, email and a secure password. Then in your browser enter the following URL.


  • Go to add in front of Geeks Models.
  • Choose the file you want to upload and click on save. Now let’s check it in admin server. We have created an instance of GeeksModel.
    ImageField django models

Field Options

Field Options are the arguments given to each field for applying some constraint or imparting a particular characteristic to a particular Field. For example, adding an argument null = True to ImageField will enable it to store empty values for that table in relational database.
Here are the field options and attributes that an ImageField can use.

Field OptionsDescription
NullIf True, Django will store empty values as NULL in the database. Default is False.
BlankIf True, the field is allowed to be blank. Default is False.
db_columnThe name of the database column to use for this field. If this isn’t given, Django will use the field’s name.
DefaultThe 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_textExtra “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_keyIf True, this field is the primary key for the model.
editableIf False, the field will not be displayed in the admin or any other ModelForm. They are also skipped during model validation. Default is True.
error_messagesThe error_messages argument lets you override the default messages that the field will raise. Pass in a dictionary with keys matching the error messages you want to override.
help_textExtra “help” text to be displayed with the form widget. It’s useful for documentation even if your field isn’t used on a form.
verbose_nameA human-readable name for the field. If the verbose name isn’t given, Django will automatically create it using the field’s attribute name, converting underscores to spaces.
validatorsA list of validators to run for this field. See the validators documentation for more information.
UniqueIf True, this field must be unique throughout the table.

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