django之环境配置

1、重构目录

 2、基础配置（数据库、缓存、日志等）

相关包依赖

说明：

　　1、django2的版本必须装4.11.0的django_redis，如果不指明django_redis的版本，就会默认安装最新的版本，这是就会自动卸载2.*的django，安装3.*的django，引起版本变动，造成一系列不必要的错误。

　　2、django2.*使用的mysql引擎是pymysql，django3.*要是用mysqlclient，容易出现问题。

"""
Django settings for review project.

Generated by 'django-admin startproject' using Django 2.1.4.

For more information on this file, see
https://docs.djangoproject.com/en/2.1/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/2.1/ref/settings/
"""

import os
import sys
from django.conf.global_settings import *

# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))


# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/2.1/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = '^v*s##lbpqm8-0x@ff$%wytj@7bh^rp+g((z99r)bf!99e56a8'

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = True

ALLOWED_HOSTS = ["*"]


# Application definition
# 将应用的路径添加到查询序列中
sys.path.insert(0, os.path.join(BASE_DIR, "apps"))
INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
]

MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
]

ROOT_URLCONF = 'review.urls'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [os.path.join(BASE_DIR, "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',
            ],
        },
    },
]

WSGI_APPLICATION = 'review.wsgi.application'


# Database
# https://docs.djangoproject.com/en/2.1/ref/settings/#databases

# 使用mysql数据库作为数据存储的仓库
DATABASES = {
    # 'default': {
    #     'ENGINE': 'django.db.backends.sqlite3',
    #     'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
    # }
    'default': {
        'ENGINE': 'django.db.backends.mysql',
        'NAME': 'review',
        'HOST': '127.0.0.1',
        'PORT': 3306,
        'USER': 'review',
        'PASSWORD': 'qwe123',
    }
}

# 使用redis作为存储验证码、图形码、session的内存仓库
CACHES = {
    # 必须定义一个名为的default的缓存数据库
    'default': {
        'BACKEND': 'django_redis.cache.RedisCache',
        'LOCATION': 'redis://127.0.0.1:6379/0',
        'OPTIONS': {
            'CLIENT_CLASS': 'djanro_redis.client.DefaultClient',
        }
    },
    # 存储session
    'session': {
        'BACKEND': 'django_redis.cache.RedisCache',
        'LOCATION': 'redis://127.0.0.1:6379/1',
        'OPTIONS': {
            'CLIENT_CLASS': 'djanro_redis.client.DefaultClient',
        }
    },
    # 存储短信验证码
    'sms': {
        'BACKEND': 'django_redis.cache.RedisCache',
        'LOCATION': 'redis://127.0.0.1:6379/2',
        'OPTIONS': {
            'CLIENT_CLASS': 'djanro_redis.client.DefaultClient',
        }
    },
    # 存储图形验证码
    'img': {
        'BACKEND': 'django_redis.cache.RedisCache',
        'LOCATION': 'redis://127.0.0.1:6379/3',
        'OPTIONS': {
            'CLIENT_CLASS': 'djanro_redis.client.DefaultClient',
        }
    },

}

# 日志
LOGGING = {
    # 版本
    'version': 1,
    # 是否禁用已存在的日志器
    'disable_existing_loggers': False,
    'formatters': {
        # 详细的
        'verbose': {
            'format': '%(levelname)s %(asctime)s %(module)s %(lineno)d %(message)s',
        },
        'simple': {
            'format': '%(levelname)s %(module)s %(lineno)d %(message)s',
        }
    },
    'filters': {
        'require_debug_true': {
            '()': 'django.utils.log.RequireDebugTrue',
        },
    },
    'handlers': {
        'console': {
            'level': 'DEBUG',
            'filters': ['require_debug_true'],
            'class': 'logging.StreamHandler',
            'formatter': 'simple',
        },
        'file': {
            'level': 'INFO',
            'class': 'logging.handlers.RotatingFileHandler',
            'filename': os.path.join(os.path.dirname(BASE_DIR), 'log/review.log'),
            'maxBytes': 300 * 1024 * 1024 * 1024,
            'backupCount': 10,
            'formatter': 'verbose',
        }
    },
    'loggers': {
        'review': {
            'handlers': ['console', 'file'],
            # 冒泡
            'propagate': True,
            'level': 'INFO'
        }
    }
}

# Password validation
# https://docs.djangoproject.com/en/2.1/ref/settings/#auth-password-validators

AUTH_PASSWORD_VALIDATORS = [
    {
        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
    },
]


# Internationalization
# https://docs.djangoproject.com/en/2.1/topics/i18n/
# 中文
LANGUAGE_CODE = 'zh-hans'

TIME_ZONE = 'Asia/Shanghai'

USE_I18N = True

USE_L10N = True

USE_TZ = True


# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/2.1/howto/static-files/

STATIC_URL = '/static/'

STATICFILES_DIRS = [
    os.path.join(BASE_DIR, 'static'),
]

# from django.conf.global_settings import *
MEDIA_URL = '/media/'

MEDIA_ROOT = os.path.join(BASE_DIR, 'media')