INSTALLED_APPS = (
    ...
    'rest_framework.authtoken'
)

REST_FRAMEWORK = {
    # 'DEFAULT_PAGINATION_CLASS':'rest_framework.pagination.PageNumberPagination',
    # 'PAGE_SIZE':2,
    'DEFAULT_FILTER_BACKENDS': ('django_filters.rest_framework.DjangoFilterBackend',),
    'DEFAULT_AUTHENTICATION_CLASSES': (
        'rest_framework.authentication.BasicAuthentication',
        'rest_framework.authentication.SessionAuthentication',
        'rest_framework.authentication.TokenAuthentication'
    )
}

import sys
import os

pwd = os.path.dirname(os.path.realpath(__file__))
sys.path.append(pwd)
os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'MxShop.settings')

import django
django.setup()

from rest_framework.authtoken.models import Token

from django.contrib.auth import authenticate
user = authenticate(username='admin',password='admin')
token = Token.objects.create(user=user)
print(token.key)