DJWOMS

import 'dart:io';

import 'package:http/http.dart' as http;


void main() async {
  checkSite('https://www.google.com');
  checkSite('https://www.nonexistentsite.com');
}

DJWOMS

from sqlalchemy import create_engine
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker

DATABASE_NAME = 'track_db.sqlite'

engine = create_engine(f'sqlite:///{DATABASE_NAME}')
Session = sessionmaker(bind=engine)

Base = declarative_base()

DJWOMS

serializer = CommentSerializer(data=data)
serializer.is_valid()
# True
serializer.validated_data
# {'content': 'My content', 'email': '[email protected]', 'created': datetime.datetime(2022, 09, 06, 16, 20, 09, 822243)}

DJWOMS

import io
from rest_framework.parsers import JSONParser

stream = io.BytesIO(json)
data = JSONParser().parse(stream)

DJWOMS

from rest_framework.renderers import JSONRenderer

json = JSONRenderer().render(serializer.data)
print(json)
# '{"email": "[email protected]", "content": "foo bar", "created": "2012-08-22T16:20:09.822"}'

DJWOMS

serializer = CommentSerializer(comment)
print(serializer.data)
# {'email': u'[email protected]', 'content': u'foo bar', 'created': datetime.datetime(2012, 8, 22, 16, 20, 9, 822774)}

DJWOMS

from rest_framework import serializers

class CommentSerializer(serializers.Serializer):
    email = serializers.EmailField()
    content = serializers.CharField(max_length=200)
    created = serializers.DateTimeField()

    def restore_object(self, attrs, instance=None):
        """
        Учитывая словарь десериализованных значений поля, либо обновить существующий экземпляр модели или 

DJWOMS

class Comment(object):
    def __init__(self, email, content, created=None):
        self.email = email
        self.content = content
        self.created = created or datetime.datetime.now()

comment = Comment(email='[email protected]', content='My content')

DJWOMS

Авторизация\Регистрация
https://github.com/jazzband/django-oauth-toolkit
https://github.com/pennersr/django-allauth
https://github.com/sunscrapers/djoser
https://github.com/django-guardian/django-guardian
https://github.com/flavors/django-graphql-jwt

Защита входа
https://github.com/jazzband/django-axes
https://github.com/jazzband/django-defender

DJWOMS

class User(UserBase):
    id: int
    is_active: bool

    class Config:
        orm_mode = True
        
        
async def create_user(user: schemas.UserCreate):
    fake_hashed_password = user.password + "notreallyhashed"