0007 settings.py配置文件详解

INSTALLED_APPS = [ 'django.contrib.admin', 'django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.sessions', 'django.contrib.messages', 'django.contrib.staticfiles', 'rest_framework', # drf 框架 'Applications.Organization.apps.OrganizationConfig', # Organization APP 'GeneralTools', # 常用工具]

TEMPLATES = [ { 'BACKEND': 'django.template.backends.django.DjangoTemplates', 'DIRS': [ os.path.join(BASE_DIR, 'Applications/Organization/Templates'), ], 'APP_DIRS': True, 'OPTIONS': { 'context_processors': [ 'django.template.context_processors.debug', 'django.template.context_processors.request', 'django.contrib.auth.context_processors.auth', 'django.contrib.messages.context_processors.messages', ], }, },]

MYSQL_SERVER = '49.235.156.156'REDIS_SERVER = '49.235.156.156'FDFS_SERVER = '49.235.156.156'

DATABASES = { 'default': { 'ENGINE': 'django.db.backends.sqlite3', 'NAME': os.path.join(BASE_DIR, 'db.sqlite3'), }}

DATABASES = { 'default': { 'ENGINE': 'django.db.backends.mysql', 'NAME': 'yiwenzhen_db', 'USER': 'root', 'PASSWORD': 'ws$RV^TM0okm20200203', 'HOST': MYSQL_SERVER, 'PORT': '3306', # 'OPTIONS': { # "init_command": "SET sql_mode='STRICT_TRANS_TABLES'", # } }}

# Redis 数据库CACHES = { # 缓存view数据 "default": { "BACKEND": "django_redis.cache.RedisCache", "LOCATION": "redis://" + REDIS_SERVER + ":6379/0", "OPTIONS": { "CLIENT_CLASS": "django_redis.client.DefaultClient", "PASSWORD": "1q2w3e", } }, # 缓存登录session "session": { "BACKEND": "django_redis.cache.RedisCache", "LOCATION": "redis://" + REDIS_SERVER + ":6379/1", "OPTIONS": { "CLIENT_CLASS": "django_redis.client.DefaultClient", "PASSWORD": "1q2w3e", } }, # 存放sms验证码 "sms_codes": { "BACKEND": "django_redis.cache.RedisCache", "LOCATION": "redis://" + REDIS_SERVER + ":6379/2", "OPTIONS": { "CLIENT_CLASS": "django_redis.client.DefaultClient", "PASSWORD": "1q2w3e", } }}# 修改了Django的Session机制使用redis保存，且使用名为'session'的redis配置。# 此处修改Django的Session机制存储主要是为了给Admin站点使用。SESSION_ENGINE = "django.contrib.sessions.backends.cache"SESSION_CACHE_ALIAS = "session"

# 覆盖Django默认指定的文件存储方式DEFAULT_FILE_STORAGE = 'Tools.storage.FdfsStorage'# 自定义两个变量,分别表示client.conf文件的路径和fdfs的urlFDFS_CLIENT_CONF = os.path.join(BASE_DIR, 'Configurations', 'client.conf')FDFS_URL = 'http://' + FDFS_SERVER + ':80/'

LANGUAGE_CODE = 'zh-hans'TIME_ZONE = 'Asia/Shanghai'

STATIC_URL = '/static/'STATICFILES_DIRS = ( os.path.join(BASE_DIR, 'static'),)

# 日志处理LOGGING = { 'version': 1, 'disable_existing_loggers': False, # 是否禁用已经存在的日志器 'formatters': { # 日志信息显示的格式 'verbose': { 'format': '%(levelname)s %(asctime)s %(module)s %(lineno)d %(message)s' }, 'simple': { 'format': '%(levelname)s %(module)s %(lineno)d %(message)s' }, }, 'filters': { # 对日志进行过滤 'require_debug_true': { # django在debug模式下才输出日志 '()': 'django.utils.log.RequireDebugTrue', }, }, 'handlers': { # 日志处理方法 'console': { # 向终端中输出日志 'level': 'INFO', 'filters': ['require_debug_true'], 'class': 'logging.StreamHandler', 'formatter': 'simple' }, 'file': { # 向文件中输出日志 'level': 'INFO', 'class': 'logging.handlers.RotatingFileHandler', 'filename': os.path.join(BASE_DIR, 'config/yiwenzhen.log'), # 日志文件的位置 'maxBytes': 300 * 1024 * 1024, 'backupCount': 10, 'formatter': 'verbose' }, }, 'loggers': { # 日志器 'yiwenzhen': { # 定义了一个名为yiwenzhen的日志器 'handlers': ['console', 'file'], # 可以同时向终端与文件中输出日志 'propagate': True, # 是否继续传递日志信息 'level': 'INFO', # 日志器接收的最低日志级别 }, }}

from rest_framework.views import exception_handler as drf_exception_handlerimport loggingfrom django.db import DatabaseErrorfrom redis.exceptions import RedisErrorfrom rest_framework.response import Responsefrom rest_framework import status# 获取在配置文件中定义的logger，用来记录日志logger = logging.getLogger('yiwenzhen')def exception_handler(exc, context): """ 自定义异常处理 :param exc: 异常 :param context: 抛出异常的上下文 :return: Response响应对象 """ # 调用drf框架原生的异常处理方法 response = drf_exception_handler(exc, context) if response is None: view = context['view'] if isinstance(exc, DatabaseError) or isinstance(exc, RedisError): # 数据库异常 logger.error('[%s] %s' % (view, exc)) response = Response({'message': '服务器内部错误'}, status=status.HTTP_507_INSUFFICIENT_STORAGE) return response

# REST配置REST_FRAMEWORK = { # JWT 认证 'DEFAULT_AUTHENTICATION_CLASSES': ( 'rest_framework_jwt.authentication.JSONWebTokenAuthentication', # JWT认证 'rest_framework.authentication.SessionAuthentication', # session认证 'rest_framework.authentication.BasicAuthentication', # 基本认证 ), # 过滤Filtering 'DEFAULT_FILTER_BACKENDS': ('django_filters.rest_framework.DjangoFilterBackend',), # 分页Pagination # 也可通过自定义Pagination类，来为视图添加不同分页行为。在视图中通过pagination_clas属性来指明。 'DEFAULT_PAGINATION_CLASS': 'rest_framework.pagination.PageNumberPagination', 'PAGE_SIZE': 20, # 每页数目 # 异常处理（自定义异常） 'EXCEPTION_HANDLER': 'GeneralTools.Exceptions.exception_handler', # 接口文档 # 'DEFAULT_SCHEMA_CLASS': 'rest_framework.schemas.AutoSchema', 'DEFAULT_SCHEMA_CLASS': 'rest_framework.schemas.coreapi.AutoSchema',}

from django.db import modelsclass BaseModel(models.Model): create_time = models.DateTimeField(auto_now_add=True, verbose_name='创建时间', help_text='创建时间') update_time = models.DateTimeField(auto_now=True, verbose_name='更新时间', help_text='更新时间') class Meta: # 说明这个类是一个抽象模型类，在迁移的时候不会生成表 abstract = True

from django.db import modelsfrom django.contrib.auth.models import AbstractUserfrom GeneralTools.BaseModel import BaseModelclass User(AbstractUser, BaseModel): openid = models.CharField(max_length=100, verbose_name='微信唯一标识', null=True, blank=True, help_text='openid') mobile = models.CharField(max_length=20, verbose_name='手机', help_text='手机') # 手机是整个平台的通行证 identity = models.CharField(max_length=30, verbose_name='身份证号', default='', help_text='身份证号') weixin = models.CharField(max_length=50, verbose_name='微信号', null=True, blank=True, help_text='微信号') nickname = models.CharField(max_length=200, verbose_name='用户昵称', null=True, blank=True, help_text='用户昵称') sexchoice = ( (1, '男'), (2, '女'), ) sex = models.IntegerField(choices=sexchoice, verbose_name='性别', null=True, blank=True, help_text='性别') province = models.CharField(max_length=30, verbose_name='省', null=True, blank=True, help_text='省') language = models.CharField(max_length=100, verbose_name='语言', null=True, blank=True, help_text='语言') city = models.CharField(max_length=30, verbose_name='市', null=True, blank=True, help_text='市(地级市)') country = models.CharField(max_length=30, verbose_name='县', null=True, blank=True, help_text='县(县级市)') headimgurl = models.CharField(max_length=300, verbose_name='微信头像路径', null=True, blank=True, help_text='微信头像路径') unionid = models.CharField(max_length=100, verbose_name='unionid', null=True, blank=True, help_text='unionid') subscribe_scene = models.CharField(max_length=50, verbose_name='用户关注的渠道来源', null=True, blank=True, help_text='用户关注的渠道来源') class Meta: db_table = 'UserInfo' verbose_name_plural = '001 用户信息表'

AUTH_USER_MODEL = 'Organization.UserInfo'

(venv) D:\DjangoDevelopment\projects\Tongheng2>python manage.py makemigrationsMigrations for 'Organization': Applications\Organization\migrations\0001_initial.py - Create model UserInfo(venv) D:\DjangoDevelopment\projects\Tongheng2>python manage.py migrateOperations to perform: Apply all migrations: Organization, admin, auth, contenttypes, sessionsRunning migrations: Applying contenttypes.0001_initial... OK Applying contenttypes.0002_remove_content_type_name... OK Applying auth.0001_initial... OK Applying auth.0002_alter_permission_name_max_length... OK Applying auth.0003_alter_user_email_max_length... OK Applying auth.0004_alter_user_username_opts... OK Applying auth.0005_alter_user_last_login_null... OK Applying auth.0006_require_contenttypes_0002... OK Applying auth.0007_alter_validators_add_error_messages... OK Applying auth.0008_alter_user_username_max_length... OK Applying auth.0009_alter_user_last_name_max_length... OK Applying Organization.0001_initial... OK Applying admin.0001_initial... OK Applying admin.0002_logentry_remove_auto_add... OK Applying admin.0003_logentry_add_action_flag_choices... OK Applying sessions.0001_initial... OK(venv) D:\DjangoDevelopment\projects\Tongheng2>

# 跨域CORS白名单CORS_ORIGIN_WHITELIST = ( 'http://127.0.0.1:80', 'http://127.0.0.1:8000',)CORS_ALLOW_CREDENTIALS = True # 允许携带cookie

# JWT 配置JWT_AUTH = { # 设置生成(签发)jwt token时token有效时间 'JWT_EXPIRATION_DELTA': datetime.timedelta(days=1), # 指定JWT 扩展登录视图生成响应数据调用函数 'JWT_RESPONSE_PAYLOAD_HANDLER': 'Apps.OrgsAndUsers.utils.jwt_response_payload_handler'}

import logging# 获取在配置文件中定义的logger，用来记录日志logger = logging.getLogger('tongheng2')def jwt_response_payload_handler(token, user=None, request=None): """ 自定义jwt登录视图响应数据 """ return { 'id': user.id, 'name': user.name, 'photo_url': user.photo_url, 'role_flag': user.role_flag, 'mobile': user.mobile, 'openid': user.openid, 'token': token }

# JWT 配置JWT_AUTH = { # 设置生成(签发)jwt token时token有效时间 'JWT_EXPIRATION_DELTA': datetime.timedelta(days=1), # 指定JWT 扩展登录视图生成响应数据调用函数 'JWT_RESPONSE_PAYLOAD_HANDLER': 'Applications.Organization.utils.jwt_response_payload_handler'}

import refrom django.contrib.auth.backends import ModelBackendimport loggingfrom Applications.Organization.models import UserInfo# 获取在配置文件中定义的logger，用来记录日志logger = logging.getLogger('tongheng2')def jwt_response_payload_handler(token, user=None, request=None): """ 自定义jwt登录视图响应数据 """ return { 'id': user.id, 'name': user.name, 'photo_url': user.photo_url, 'role_flag': user.role_flag, 'mobile': user.mobile, 'openid': user.openid, 'token': token }class UsernameMobileAuthBackend(ModelBackend): """ 自定义Django认证系统后端类 """ def authenticate(self, request, username=None, password=None, **kwargs): """ username: 可能是手机号或微信openID 根据手机号登录，就需要验证密码 根据openID登录，不需要验证密码，随便输入一个密码即可 """ try: if re.match(r'^1[3-9]\d{9}$', username): # 根据手机号查询用户 user = UserInfo.objects.get(mobile=username) # 如果用户存在，检验密码是否正确 if user is not None and user.check_password(password): return user else: user = None else: # 根据微信openID查询用户 user = UserInfo.objects.get(openid=username) # 如果用户存在，检验密码是否正确 if user is not None: return user else: user = None except UserInfo.DoesNotExist: user = None return user

# 指定Django认证系统后端类，支持用户名或手机号登录AUTHENTICATION_BACKENDS = [ # 'Apps.OrgsAndUsers.utils.UsernameMobileAuthBackend']

# DRF扩展REST_FRAMEWORK_EXTENSIONS = { # 缓存时间，单位秒（24小时） 'DEFAULT_CACHE_RESPONSE_TIMEOUT': 24 * 60 * 60, # 缓存存储 'DEFAULT_USE_CACHE': 'default',}