DJANGO STEPS TO CREATING A MODULE (to show)

#django #python #jinja #html

Between app.py, url.py, modules.py .... what do you do “IN ORDER” to creating a object (class) to show up in the admin?
I tried a test, but when I clicked on it... I came up as a error and it dosnt really day what it was.

Top comments (9)

Jean-Michel Plourde • Aug 30 '20 • Edited

So you have Person in models.py which is the model you want to show up in admin.

class Person(models.Model):
    first_name = models.CharField(max_length=100)
    last_name = models.CharField(max_length=100)
    age = models.PositiveInteger()
    bio = models.CharField(max_length=1000)

You create a file admin.py in which you import your model, register it with the decorator and declare which fields will show up where.

import models # import you model

@admin.register(models.Person) # Add the admin register decorator for your model
class PersonAdmin(admin.ModelAdmin): # Your admin class inherits from `admin.ModelAdmin`

list_display = ( # Which fields are displayed in the object list
    'id',
    'first_name',
    'last_name',
)

fields = ( # when you click on an object, tells which fields will show up
    'id'
    'first_name', 
    'last_name',
    'biography',
) 

readonly_field = ( # tells which field can't be edited
    'id',
)

Read the Django admin model doc so you can use other field options, like inline which is very useful when you want to link fields from other models.

Bret • Aug 30 '20

Can I use templates and render HTML instead of a class?

Jean-Michel Plourde • Aug 30 '20

Since an admin is a really comon component of a website, Django takes care of it and render everything. All you have to do is register your model as an admin model and that's it.

Bret • Aug 30 '20

Ok, is there just one Admin.py?

Jean-Michel Plourde • Aug 30 '20

There should be one admin per appliction in your project.

Bret • Aug 30 '20

So for each App? I only see one admin, I created a products app and a test app

Jean-Michel Plourde • Aug 30 '20

Yes, when you run python manage.py startapp projectApp it creates an app with all the required files. If it's not there, just create it under the app folder you want it.