django models.model code example

Example 1: django meta attributes

# All Django Class Meta Attributes
abstract
app_label
base_manager_name
db_table
Table names
db_tablespace
default_manager_name
default_related_name
get_latest_by
managed
order_with_respect_to
ordering
permissions
default_permissions
proxy
required_db_features
required_db_vendor
select_on_save
indexes
unique_together
index_together
constraints
verbose_name
verbose_name_plural

Example 2: django models

Models in Django are classes that represent data base tables.

Example 3: django models syntax

from django.db import models

class Student(models.Model):
    FRESHMAN = 'FR'
    SOPHOMORE = 'SO'
    JUNIOR = 'JR'
    SENIOR = 'SR'
    GRADUATE = 'GR'
    YEAR_IN_SCHOOL_CHOICES = [
        (FRESHMAN, 'Freshman'),
        (SOPHOMORE, 'Sophomore'),
        (JUNIOR, 'Junior'),
        (SENIOR, 'Senior'),
        (GRADUATE, 'Graduate'),
    ]
    year_in_school = models.CharField(
        max_length=2,
        choices=YEAR_IN_SCHOOL_CHOICES,
        default=FRESHMAN,
    )

    def is_upperclass(self):
        return self.year_in_school in {self.JUNIOR, self.SENIOR}

Example 4: create django object

Author.objects.create(name="Joe")