django python3 运行一个独立的脚本 访问数据库

方法1:使用django-extension扩展django的manage

pip install django-extensions

INSTALLED_APPS = (
…
‘django_extensions’,
)

https://django-extensions.readthedocs.io/en/latest/runscript.html
python manage.py shell
python manage.py runscript delete_all_questions

方法2:

https://blog.youkuaiyun.com/qq_33547169/article/details/78408819

import sys
import os

pwd = os.path.dirname(os.path.realpath(__file__))
sys.path.append(pwd+"../")
os.environ.setdefault("DJANGO_SETTINGS_MODULE", "mine_project.settings")

import django
django.setup()


from snippets.models import Snippet
from snippets.serializers import SnippetSerializer
from rest_framework.renderers import JSONRenderer
from rest_framework.parsers import JSONParser

snippet = Snippet(code='foo = "bar"\n')
snippet.save()

snippet = Snippet(code='print("hello, world")\n')
snippet.save()

serializer = SnippetSerializer(snippet)
print(serializer.data)

方法3:

python manage.py shell

输入指令之后,回车 执行 这个语句
输入指令之后,ctrl + 回车 ,继续 输入指令 出现 …

可以一次性复制多行,然后回车 一次性执行多行代码