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每一条日志信息记录了一个事件的发生,包括了:
日志级别分为:
Django的日志模块其实就是python的 logging 模块,由4部分组成:
import logging# 获得logger实例logger = logging.getLogger(__name__)def my_view(request, arg1, arg2): ... if error_happens: # 如发生错误,记录错误信息 logger.error('Something went wrong!')
# 给ADMINS发送邮件需要配置ADMINS = ( ('admin_name','your@gmail.com'),)MANAGERS = ADMINS# 创建log文件的文件夹LOG_DIR = os.path.join(BASE_DIR, "logs")if not os.path.exists(LOG_DIR): os.mkdir(LOG_DIR) # 基本配置,可以复用的LOGGING = { "version": 1, "disable_existing_loggers": False, # 禁用已经存在的logger实例 "filters": { "require_debug_false": { "()": "django.utils.log.RequireDebugFalse"}}, "formatters": { # 定义了两种日志格式 "verbose": { # 详细 "format": "%(levelname)s %(asctime)s %(module)s " "%(process)d %(thread)d %(message)s" }, 'simple': { # 简单 'format': '[%(levelname)s][%(asctime)s][%(filename)s:%(lineno)d]%(message)s' }, }, "handlers": { # 定义了三种日志处理方式 "mail_admins": { # 只有debug=False且Error级别以上发邮件给admin "level": "ERROR", "filters": ["require_debug_false"], "class": "django.utils.log.AdminEmailHandler", }, 'file': { # 对INFO级别以上信息以日志文件形式保存 'level': "INFO", 'class': 'logging.handlers.RotatingFileHandler', # 滚动生成日志,切割。RotatingFileHandler是需要重点了解的 'filename': os.path.join(LOG_DIR,'django.log'), # 日志文件名 'maxBytes': 1024 * 1024 * 10, # 单个日志文件最大为10M 'backupCount': 5, # 日志备份文件最大数量 'formatter': 'simple', # 简单格式 'encoding': 'utf-8', # 防止中文乱码 }, "console": { # 打印到终端console "level": "DEBUG", "class": "logging.StreamHandler", "formatter": "verbose", }, }, "root": { "level": "INFO", "handlers": ["console"]}, "loggers": { "django.request": { # Django的request发生error会自动记录 "handlers": ["mail_admins"], "level": "ERROR", "propagate": True, # 向不向更高级别的logger传递 }, "django.security.DisallowedHost": { # 对于不在 ALLOWED_HOSTS 中的请求不发送报错邮件 "level": "ERROR", "handlers": ["console", "mail_admins"], "propagate": True, }, },}
from loguru import logger logger.add("django.log", format="{time:YYYY-MM-DD at HH:mm:ss} | {level} | {message}", rotation="100 MB", filter="", level="INFO", encoding='utf-8')def my_view(request, arg1, arg2): ... if error_happens: logger.error("Something went wrong")
Sentry 为多种语言以及各种框架(包括Django)提供了SDK。只需几行配置, sentry 就会监控你的程序运行,自动收集错误和异常以及上下文数据,发送到 sentry 的服务器上,开发者可以通过 sentry 的web端 实时查看错误和异常
1.安装sentry-sdk
pip install --upgrade sentry-sdk
2.注册登录sentry,创建Django项目,获取一个公共密钥PublicKey地址
3.修改 settings.py
import sentry_sdkfrom sentry_sdk.integrations.django import DjangoIntegrationsentry_sdk.init( dsn="https://examplePublicKey@o0.ingest.sentry.io/0", # 你的PublicKey integrations=[DjangoIntegration()], # Set traces_sample_rate to 1.0 to capture 100% # of transactions for performance monitoring. # We recommend adjusting this value in production, traces_sample_rate=1.0, # If you wish to associate users to errors (assuming you are using # django.contrib.auth) you may enable sending PII data. send_default_pii=True, # By default the SDK will try to use the SENTRY_RELEASE # environment variable, or infer a git commit # SHA as release, however you may want to set # something more human-readable. # release="myapp@1.0.0",)
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