from django.x import xxxx

(newblog-ES3JapFS) E:\PycharmProjects\mywebsite>pip install django_extensions

INSTALLED_APPS = [

    'django.contrib.admin',

    'django.contrib.auth',

    'django.contrib.contenttypes',

    'django.contrib.sessions',

    'django.contrib.messages',

    'django.contrib.staticfiles',

    'django_extensions',

]

(newblog-ES3JapFS) E:\PycharmProjects\mywebsite>python manage.py shell_plus

# Shell Plus Model Imports

from django.contrib.admin.models import LogEntry

from django.contrib.auth.models import Group, Permission

from django.contrib.contenttypes.models import ContentType

from django.contrib.sessions.models import Session

from myweb.models import Ad, Article, Category, Comment, Links, Tag, User

# Shell Plus Django Imports

from django.core.cache import cache

from django.conf import settings

from django.contrib.auth import get_user_model

from django.db import transaction

from django.db.models import Avg, Case, Count, F, Max, Min, Prefetch, Q, Sum, When, Exists, OuterRef, Subquery

from django.utils import timezone

from django.urls import reverse

Python 3.6.6 (v3.6.6:4cf1f54eb7, Jun 27 2018, 03:37:03) [MSC v.1900 64 bit (AMD64)] on win32

Type "help", "copyright", "credits" or "license" for more information.

(InteractiveConsole)

>>>

>>> from django.core.cache import caches

>>> cache['default']

Traceback (most recent call last):

  File "<console>", line 1, in <module>

TypeError: 'DefaultCacheProxy' object is not subscriptable

>>> caches['default']

<django.core.cache.backends.locmem.LocMemCache object at 0x00000186B3102B00>

>>> from django.core.cache import cache

>>> cache.get('test')

>>> cache.set('mykey','hello',30)

>>> cache.get('mykey')

'hello'

>>> cache.get('mykey')

'hello'

>>> cache.get('mykey')

'hello'

# 30s之后缓存结束了，已经得不到返回值。

>>> cache.get('mykey')

>>> cache.get('mykey')