Reading-Notes

Code Fellows Python 401

Read: 28 - Django CRUD and Forms

Django Forms

HTML Form

• is a group of one or more fields/widgets on a web page
• used to collect info from users
• flexible

  example:

  

<form action="/team_name_url/" method="post">
    <label for="team_name">Enter name: </label>
    <input id="team_name" type="text" name="name_field" value="Default name for team.">
    <input type="submit" value="OK">
</form>

Form Handling Process

Form Class

• specifies fields in form
• provides methods for rendering itself
• predefined formats (tables, lists, etc.)

Declaring a Form

• similar to declaring a Model

from django import forms

class RenewBookForm(forms.Form):
    renewal_date = forms.DateField(help_text="Enter a date between now and 4 weeks (default 3).")

Form fields

The arguments that are common to most fields are listed below (these have sensible default values):

• required
• label
• label_suffix
• initial
• widget
• help_text
• error_message
• validators
• localize
• disable

Validation

how to validate your data

• to validate a single field use clean_<fieldname>() method

Bookmark and Review

• Django Templates
• Django Views