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django-apis

基于Django的API接口开发框架。使用pydantic做接口参数验证,自动生成swagger接口管理界面,支持多种返回体封装。

安装

pip install django-apis

兼容性要求

  • Python 3.8及以上
  • Django 3.2及以上

配置项

  • DJANGO_APIS_SWAGGER_LOGIN_REQUIRED: Swagger管理界面是否启用登录保护。默认为启用。

  • DJANGO_APIS_OPENAPI_LOGIN_URL: Swagger管理界面访问受管理登录保护。在未登录访问时跳转的登录页面地址。

  • DJANGO_APIS_SWAGGER_UI_PATH: Swagger管理界面二级路径(不包括django_apis.urls引入部分)。默认值为/docs/。

  • DJANGO_APIS_OPENAPI_TITLES: Swagger标题。

  • DJANGO_APIS_OPENAPI_VERSION: Swagger版本号。

  • DJANGO_APIS_OPENAPI_DESCRIPTION: Swagger描述。

  • DJANGO_APIS_OPENAPI_TAGS: 自定义标签

    DJANGO_APIS_OPENAPI_TAGS = {
        "default": [
            {"name": "test1", "description": "测试1"},
        ],
        "another": [
            {"name": "test2", "description": "测试2"},
        ]
    }
    
  • DJANGO_APIS_OPENAPI_SERVERS: Swagger服务器列表。

    DJANGO_APIS_OPENAPI_SERVERS = {
        "default": [
            {"url": "http://127.0.0.1:8000", "description": "本地开发环境"},
            {"url": "http://192.168.1.1", "description": "测试环境"},
        ],
        "another": [
            {"url": "http://192.168.1.1:8000", "description": "本地开发环境"},
            {"url": "http://192.168.1.1:8001", "description": "测试环境"},
        ]
    }
    
  • DJANGO_APIS_OPENAPI_SECURITY_DEFINITIONS: Swagger认证列表。

    DJANGO_APIS_OPENAPI_SECURITY_DEFINITIONS = {
        "default": {
            "BasicAuth": {
                "type": "http",
                "scheme": "basic",
            },
            "BearerAuth": {
                "type": "http",
                "scheme": "bearer",
            },
            "ApikeyAuth": {
                "type": "apiKey",
                "name": "X-API-Key",
                "in": "header",
            },
            "OpenID": {
                "type": "openIdConnect",
                "openIdConnectUrl": "https://example.com/.well-known/openid-configuration",
            },
            "OAuth2": {
                "type": "oauth2",
                "flows": {
                    "authorizationCode": {
                        "authorizationUrl": "https://example.com/oauth/authorize",
                        "tokenUrl": "https://example.com/oauth/token",
                        "scopes": {
                            "read": "Grants read access",
                            "write": "Grants write access",
                            "admin": "Grants access to admin operations",
                        },
                    }
                },
            },
        },
        "another": {
            "BasicAuth": {
                "type": "http",
                "scheme": "basic",
            },
            "BearerAuth": {
                "type": "http",
                "scheme": "bearer",
            },
            "ApikeyAuth": {
                "type": "apiKey",
                "name": "X-API-Key",
                "in": "header",
            },
            "OpenID": {
                "type": "openIdConnect",
                "openIdConnectUrl": "https://example.com/.well-known/openid-configuration",
            },
            "OAuth2": {
                "type": "oauth2",
                "flows": {
                    "authorizationCode": {
                        "authorizationUrl": "https://example.com/oauth/authorize",
                        "tokenUrl": "https://example.com/oauth/token",
                        "scopes": {
                            "read": "Grants read access",
                            "write": "Grants write access",
                            "admin": "Grants access to admin operations",
                        },
                    }
                },
            },
        },
    }
    
  • DJANGO_APIS_OPENAPI_SITES: 多站点支持

    DJANGO_APIS_OPENAPI_SITES = ["default"]
    
  • DJANGO_APIS_APIKEY_HEADER_NAMES: APIKEY认证允许的请求头

    DJANGO_APIS_APIKEY_HEADER_NAMES = ["HTTP_AUTHORIZATION", "HTTP_X_APIKEY", "HTTP_APIKEY"]
    
  • DJANGO_APIS_APIKEYS: APIKEY认证允许的授权码

    DJANGO_APIS_APIKEYS = ["api1key1", "apikey2"]
    
  • DJANGO_APIS_USERS: HTTP BASIC认证允许的用户列表

    DJANGO_APIS_USERS = {
        "user1": ["password11", "password12"],
        "user2": ["password21", "password22"],
    }
    
  • DJANGO_API_VIEW: 系统默认apiview实例,使用django_apis.views.get_apiview获取。

    DJANGO_API_VIEW = "django_apis.views.apiview"
    

如何自定义Apiview类型

注意事项

  1. 定义自己的base_response_class,并重置自定义的Apiview中的base_response_class属性。
  2. 重载Apiview中的make_response和make_error_response方法。

自定义Apiview类型案例

from django.http import JsonResponse
from django_apis.views import Apiview
from django_apis.schemas import ResponseBase
from typing import Any
import pydantic

class ErrorInfo(pydantic.BaseModel):
    code: int = 0
    message: str = "OK"

# 响应体格式定义要与make_response及make_error_response实际响应匹配
class ExampleApiviewResponseBase(ResponseBase):
    success: bool = True
    error: ErrorInfo = ErrorInfo()
    result: Any = None

class ExampleApiview(Apiview):
    base_response_data_field = "result"
    base_response_class = ExampleApiviewResponseBase

    def make_response(self, data):
        return JsonResponse(
            {
                "success": True,
                "error": {
                    "code": 0,
                    "message": "OK",
                },
                "result": data,
            },
            json_dumps_params={
                "ensure_ascii": False,
            },
        )

    # 强制所有响应的http status_code值为200
    def make_error_response(self, code, message, status_code=200):
        return JsonResponse(
            {
                "success": True,
                "error": {
                    "code": code,
                    "message": message,
                },
                "result": None,
            },
            json_dumps_params={
                "ensure_ascii": False,
            },
        )

example_apiview = ExampleApiview()

使用案例

import pydantic
from django_apis.views import get_apiview
from django_apis.schemas import OptionalUploadedFiles

apiview = get_apiview()

@apiview()
def ping() -> str:
    return "pong"


class EchoPayload(pydantic.BaseMode):
    msg: str

@apiview(methods="post")
def echo(payload: EchoPayload) -> str:
    return payload.msg

class ApplyForm(pydantic.BaseMode):
    name: str
    start_date: str
    end_date: str
    files: OptionalUploadedFiles

@apiview(methods="post")
def apply(request, form: ApplyForm) -> bool:
    ...
    return True

版本记录

v0.2.0

  • 注意:不兼容0.1.x。

v0.2.1

  • 使用openapi 3.1.0版本.
  • 添加并通过更多关于复合模型的测试用例。

v0.2.2

  • 通过DJANGO_APIS_SWAGGER_LOGIN_REQUIRED配置项控制Swagger管理界面是否受登录保护。

v0.2.3

  • 使用typing.Union以兼容python3.9。

v0.2.4

  • 为接口添加security字段。

v0.2.5

  • query字段添加default支持。

v0.2.6

  • get_response_schema结果必须为ResponseBase子类,否则均使用make_generic_response_type进行动态生成。

v0.2.8

  • 修正:是否为HttpResponseBase实例判断错误的问题。

v0.2.10

  • 添加:django_apis.helper.auth模型,提供http_bearer_auth_protect、http_basic_auth_protect、apikey_auth_protect等认证验证方法。
  • 添加:视图级的tags定义支持。

v0.2.11

  • 修正: swagger中支持query参数可选。

v0.2.12

  • 添加:多site支持。
  • 修改:开源协议从MIT调整为Apache License, Version 2.0。

v0.2.13

  • 添加:Apiview.json_encoder属性,用于支持自定义json编码器。默认使用jsonutils.make_simple_json_encoder()编码器,可支持datetime/django model/django queryset等类型数据的json序列化。

v0.2.14

  • 添加:get_apiview支持。
  • 添加:django-environment-settings支持。
  • 添加:http apikey auth支持。
  • 添加:http basic auth支持。
  • 修改:完善接口异常日志。
  • 修正:登录后无法自动返回swagger-ui界面的问题。
  • 文档:更新DJANGO_APIS_OPENAPI_SECURITY_DEFINITIONS案例代码。

v0.2.15

  • 添加:接口功能注解基础类。
  • 添加:log_request_time功能注解。
  • 优化:错误码体系。

v0.2.16

  • 添加:TriformResponse及TriformApiview,主要特色是响应体由status/err_info/data三字段组成。
  • 修正:参数校验错误时,返回详细的错误说明。

v0.2.17

  • 添加:PlainApiview。

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