{"id":1559,"date":"2023-04-06T11:40:02","date_gmt":"2023-04-06T03:40:02","guid":{"rendered":"http:\/\/175.24.184.226\/?p=1559"},"modified":"2023-08-02T14:48:16","modified_gmt":"2023-08-02T06:48:16","slug":"python-logging","status":"publish","type":"post","link":"\/?p=1559","title":{"rendered":"python-logging"},"content":{"rendered":"<h2>\u8fdb\u7a0b\u5b89\u5168<\/h2>\n<p>\u4f7f\u7528\u4e86<code>ConcurrentRotatingFileHandler<\/code>\u5305<\/p>\n<p>\u53ef\u80fd\u4f1a\u6709Windows\u7cfb\u7edf\u4e0d\u9002\u914d\u95ee\u9898\uff0c\u6682\u65f6\u6ca1\u9047\u5230\uff0c\u78b0\u5230\u518d\u8bf4<\/p>\n<p>\u53c2\u8003\u6587\u7ae0\uff1a<\/p>\n<p><a href=\"https:\/\/www.jianshu.com\/p\/665694966025\">django \u591a\u8fdb\u7a0b\u4e0b\uff0c\u65e5\u5fd7\u5199\u5165\u9519\u4e71\u95ee\u9898 - \u7b80\u4e66 (jianshu.com)<\/a><\/p>\n<h2>\u5f69\u8272\u65e5\u5fd7<\/h2>\n<p>\u4f7f\u7528\u4e86<code>colorlog<\/code>\u5305<\/p>\n<p>\u597d\u50cf\u8fd8\u6709\u8bb8\u591a\u53ef\u73a9\u4e4b\u5904\uff0c\u6682\u4e14\u4e0d\u8868<\/p>\n<h2>\u65e5\u5fd7\u914d\u7f6e<\/h2>\n<p>\u672c\u60f3\u53e6\u5199\u5728config\u4e2d\u518d\u5bfc\uff0c\u7701\u70b9\u4e8b\u5427\uff0c\u76f4\u63a5\u5199\u5728\u4e00\u8d77\u4e86<\/p>\n<ul>\n<li>\n<p><code>formatters<\/code>\uff1a\u683c\u5f0f\u5316\u6a21\u677f\uff0c<code>[characterName]<\/code>\u662f\u81ea\u5df1\u52a0\u7684\uff0c\u5b9e\u4f8b\u5316\u7684\u65f6\u5019\u586b\u5199<code>characterName<\/code>\u53c2\u6570\u5373\u53ef\uff0c\u4e3b\u8981\u7528\u6765\u6253\u5370\u65f6\u505a\u4e2a\u6027\u533a\u5206\uff0c\u53ef\u52a0\u53ef\u4e0d\u52a0\uff1b<\/p>\n<p>\u683c\u5f0f\u5316\u53c2\u8003\u94fe\u63a5\uff1a<a href=\"https:\/\/zhuanlan.zhihu.com\/p\/92679936\">Python\u5e38\u7528\u6a21\u5757logging\u2014\u2014\u65e5\u5fd7\u8f93\u51fa - \u77e5\u4e4e (zhihu.com)<\/a><\/p>\n<\/li>\n<li>\n<p><code>handlers<\/code>\uff1a\u4e3b\u8981\u914d\u7f6e\u90fd\u5199\u5728\u8fd9\u91cc\u4e86<\/p>\n<ul>\n<li><code>log_path<\/code>\uff1a\u8fd9\u91cc\u8bbe\u8ba1\u65f6\uff0c\u5c06\u751f\u6210\u7684\u65e5\u5fd7\u6587\u4ef6\u653e\u5728<code>logs<\/code>\u6587\u4ef6\u5939\u5185\uff0clogs\u6587\u4ef6\u5939\u7684\u4e0a\u4e00\u5c42\u8def\u5f84\u5c31\u662flog_path\uff0c\u9ed8\u8ba4\u662f\u9879\u76ee\u7684\u542f\u52a8\u8def\u5f84<code>sys.path[1]<\/code><\/li>\n<li>\u66f4\u65b0\uff1alog_path\u5f03\u7f6e\uff0c\u9ed8\u8ba4\u9879\u76ee\/logs\u8def\u5f84\u4e0b\u5206error\uff0cinfo\uff0call<\/li>\n<li><code>console,file<\/code>:\u662f\u5426\u8f93\u51fa\u5230\u63a7\u5236\u53f0\\\u65e5\u5fd7\u6587\u4ef6<\/li>\n<li><code>maxBytes<\/code>:\u65e5\u5fd7\u6587\u4ef6\u5927\u5c0f\u9650\u5236\uff0c\u5907\u4efd\u6570\u91cf\u9ed8\u8ba4\u662f5\uff0c\u5199\u6b7b\u4e86<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>\u4ee3\u7801\u5b9e\u4f8b<\/h2>\n<hr \/>\n<pre><code class=\"language-python\">import os\nimport sys\nimport datetime\nimport logging\nfrom concurrent_log_handler import ConcurrentRotatingFileHandler\nimport colorlog\n\nLOGGING_CONF = {\n    &#039;formatters&#039;: {\n        # &#039;color&#039;: &quot;%(log_color)s[%(asctime)s][%(pathname)s:%(lineno)d][%(threadName)s:%(process)d][characterName][%(levelname)s]- %(message)s&quot;,\n        # &#039;color&#039;: &quot;%(log_color)s[%(asctime)s][%(filename)s:%(lineno)d][%(threadName)s:%(process)d][%(funcName)s][characterName][%(levelname)s]- %(message)s&quot;,\n        &#039;color&#039;: &quot;%(log_color)s[%(asctime)s][%(filename)s:%(lineno)d][%(funcName)s][characterName][%(levelname)s]- %(message)s&quot;,\n        &#039;simple&#039;: &quot;[%(asctime)s][%(pathname)s:%(lineno)d][%(threadName)s:%(process)d][characterName][%(levelname)s]- %(message)s&quot;\n    },\n    &#039;handlers&#039;: {\n        &#039;log&#039;: {\n            # &#039;log_path&#039;: sys.path[1],\n            &#039;level&#039;: &quot;DEBUG&quot;,\n            &#039;console&#039;: True,\n            &#039;file&#039;: True,\n            &#039;maxBytes&#039;: 100 * 1024 * 1024,\n            &#039;formatter&#039;: &#039;color&#039;\n        },\n        &#039;test&#039;: {\n            # &#039;log_path&#039;: sys.path[1],\n            &#039;level&#039;: &quot;DEBUG&quot;,\n            &#039;console&#039;: True,\n            &#039;file&#039;: False,\n            &#039;maxBytes&#039;: 300 * 1024 * 1024,\n            &#039;formatter&#039;: &#039;color&#039;\n        },\n    },\n    &#039;log_colors_config&#039;: {\n        &#039;DEBUG&#039;: &#039;green&#039;,\n        # &#039;DEBUG&#039;: &#039;white&#039;,\n        &#039;INFO&#039;: &#039;green&#039;,\n        &#039;WARNING&#039;: &#039;yellow&#039;,\n        &#039;ERROR&#039;: &#039;red&#039;,\n        &#039;CRITICAL&#039;: &#039;bold_red&#039;\n    }\n}\n\nclass Logger:\n    def __init__(self, LOGGING=None):\n        if LOGGING is None:\n            self.LOGGING = LOGGING_CONF\n        else:\n            self.LOGGING = LOGGING\n\n    def _init(self):\n        # \u521b\u5efa\u65e5\u5fd7\u5668,\u5e76\u8bbe\u7f6e\u7ea7\u522b\n        self.level = self.LOGGING[&#039;handlers&#039;][self.name].get(&quot;level&quot;, &quot;DEBUG&quot;)\n        self.logger = logging.getLogger(self.name)\n        self.logger.setLevel(self.level)\n        # \u5b9a\u4e49\u5904\u7406\u5668\u3002\u63a7\u5236\u53f0\u548c\u6587\u672c\u8f93\u51fa\u4e24\u79cd\u65b9\u5f0f\n        # \u5b9a\u4e49\u8f93\u51fa\u683c\u5f0f,\u628a\u683c\u5f0f\u4f20\u7ed9\u5904\u7406\u5668\n        self.formatter = self._init_format()\n        # \u63a7\u5236\u53f0\u6253\u5370\uff08\u9ed8\u8ba4\u4e3aTrue\uff09\uff1a\n        if self.LOGGING[&#039;handlers&#039;][self.name].get(&quot;console&quot;, True):\n            # \u5b9a\u4e49\u5904\u7406\u5668\u3002\u63a7\u5236\u53f0\u548c\u6587\u672c\u8f93\u51fa\u4e24\u79cd\u65b9\u5f0f \u2014\u2014\u2014\u2014 \u63a7\u5236\u53f0\u76f8\u5173\u8bbe\u7f6e\n            console_handler = logging.StreamHandler()\n            console_handler.setFormatter(self.formatter)\n            if type(console_handler) not in [type(h) for h in self.logger.handlers]:\n                self.logger.addHandler(console_handler)\n        # \u65e5\u5fd7\u6587\u4ef6\u6253\u5370\uff08\u9ed8\u8ba4\u4e3aTrue\uff09\uff1a\n        if self.LOGGING[&#039;handlers&#039;][self.name].get(&quot;file&quot;, True):\n            # \u5b9a\u4e49\u5904\u7406\u5668\u3002\u63a7\u5236\u53f0\u548c\u6587\u672c\u8f93\u51fa\u4e24\u79cd\u65b9\u5f0f \u2014\u2014\u2014\u2014 \u6587\u4ef6\u76f8\u5173\u8bbe\u7f6e\n            self.set_file_handler()\n        return self.logger\n\n    def get_base_dir(self):\n        # \u6309\u7167\u6b63\u5e38\u7684\u60c5\u51b5\u4e0b, sys,path\u7684\u6700\u524d\u9762\u5c31\u662f\u9879\u76ee\u7684\u6839\u76ee\u5f55,\n        # \u4f46\u662f\u4fdd\u9669\u8d77\u89c1\u6211\u4eec\u8fd8\u662f\u5199\u4e86\u5faa\u73af\u83b7\u53d6\u7684\u4ee3\u7801\n        # \u8fd9\u91cc\u53ea\u5faa\u73af\u5230\u5012\u6570\u7b2c\u4e09\u4e2a\u7684\u539f\u56e0\u662f\u6709\u7684\u65f6\u5019\u6211\u4eec\u4f1a\u5728sys.path\u4e2d\u8fdb\u884c\u63d2\u5165\u5f53\u524d\u8def\u5f84\u7684\u64cd\u4f5c,\n        # \u5bb9\u6613\u63d2\u5165\u7684\u5c42\u7ea7\u8d85\u8fc7\u4e86\u9879\u76ee\u6839\u76ee\u5f55, \u4f46\u662f\u5982\u679c\u662f\u7528insert\u5728\u6700\u524d\u9762, \u90a3\u5c31\u65e0\u80fd\u4e3a\u529b\u4e86\n        # \u6ce8\u610f\u4e00\u4e0b\u8fd9\u4e2a\u95ee\u9898\u5c31\u597d\n        # if len(sys.path) &gt;= 6:\n        #     sys_path_list = sys.path[:6]\n        # else:\n        #     sys_path_list = sys.path[:-2]\n        sys_path_list = sys.path\n        pwd = os.getcwd()\n        path = pwd\n        for sys_path in sys_path_list:\n            if sys_path in pwd and len(sys_path) &lt; len(path):\n                path = sys_path\n        return path\n\n    def set_file_handler(self):\n        maxBytes = self.LOGGING[&#039;handlers&#039;][self.name].get(&quot;maxBytes&quot;, 1024 * 1024 * 200)\n        log_dir = &quot;logs&quot;  # \u65e5\u5fd7\u5b58\u653e\u6587\u4ef6\u5939\u540d\u79f0\n        log_path = self.LOGGING[&#039;handlers&#039;][self.name].get(&quot;log_path&quot;, self.get_base_dir()) + os.sep + log_dir\n        if not os.path.isdir(log_path):\n            os.makedirs(log_path)\n        # \u83b7\u53d6\u5f53\u524d\u65e5\u671f\u5e76\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u683c\u5f0f\n        current_date = datetime.datetime.now().strftime(&#039;%Y-%m-%d&#039;)\n        for leval in [&quot;ERROR&quot;, &quot;INFO&quot;, &quot;DEBUG&quot;]:\n            handler_f = ConcurrentRotatingFileHandler(\n                filename=log_path + os.sep + (&#039;all-%s.log&#039; % current_date if leval == &quot;DEBUG&quot; else (\n                            leval.lower() + &#039;-%s.log&#039; % current_date)),\n                mode=&#039;a&#039;, encoding=&#039;utf-8&#039;, maxBytes=maxBytes,\n                backupCount=5)\n            handler_f.setLevel(leval)\n            handler_f.setFormatter(self.formatter)\n            baseFilenames = []\n            for h in self.logger.handlers:\n                try:\n                    baseFilenames.append(h.baseFilename)\n                except:\n                    pass\n            if handler_f.baseFilename not in baseFilenames:\n                self.logger.addHandler(handler_f)\n\n    def _init_format(self):\n        &quot;&quot;&quot;\n        \u5b9a\u4e49\u683c\u5f0f\u5904\u7406\u5668\n        :return:\n        &quot;&quot;&quot;\n        formatters_name = self.LOGGING[&#039;handlers&#039;][self.name][&#039;formatter&#039;]\n        format_str = self.LOGGING[&#039;formatters&#039;][formatters_name]\n        format_str = format_str.replace(&quot;[characterName]&quot;, &quot;[%s]&quot; % self.characterName if self.characterName else &quot;&quot;)\n        if &#039;log_color&#039; in format_str:\n            log_colors_config = self.LOGGING[&#039;log_colors_config&#039;]\n            formatter = colorlog.ColoredFormatter(fmt=format_str, log_colors=log_colors_config)\n        else:\n            formatter = logging.Formatter(fmt=format_str)\n        return formatter\n\n    def get_logger(self, handler=&#039;log&#039;, character=&quot;&quot;):\n        try:\n            handler_conf_info = self.LOGGING[&#039;handlers&#039;][handler]\n            if not handler_conf_info:\n                raise NameError(&quot;LOGGING\u914d\u7f6e\u9519\u8bef:\u5f53\u524d\u65e0\u9002\u914dhandler[%s]&quot; % handler)\n        except Exception as e:\n            raise NameError(&quot;LOGGING\u914d\u7f6e\u9519\u8bef:\\n %s&quot; % e)\n        # \u65e5\u5fd7\u5668\u540d\u79f0\n        self.name = handler\n        # \u81ea\u5b9a\u4e49\u7279\u5f81\u540d\u79f0\n        self.characterName = character\n        logger = self._init()\n        return logger\n\nif __name__ == &#039;__main__&#039;:\n    # logger = Logger().get_logger(&#039;log&#039;, &#039;mysql&#039;)\n\n    logger = Logger().get_logger(&#039;log&#039;)\n    def t2():\n        logger.warning(&#039;222&#039;)\n        logger.info(&#039;111&#039;)\n        logger.debug(&#039;333&#039;)\n        try:\n            int(&#039;abc&#039;)\n        except Exception as e:\n            logger.exception(e)\n    t2()<\/code><\/pre>\n<p><img src=\"https:\/\/lemon-guess.oss-cn-hangzhou.aliyuncs.com\/img\/image-20230406113846292.png\" alt=\"image-20230406113846292\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8fdb\u7a0b\u5b89\u5168 \u4f7f\u7528\u4e86ConcurrentRotatingFileHandler\u5305 \u53ef\u80fd\u4f1a\u6709Windows\u7cfb\u7edf\u4e0d\u9002\u914d\u95ee\u9898\uff0c\u6682\u65f6\u6ca1\u9047\u5230\uff0c\u78b0\u5230\u518d\u8bf4   \u2026 &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0},"categories":[51],"tags":[],"_links":{"self":[{"href":"\/index.php?rest_route=\/wp\/v2\/posts\/1559"}],"collection":[{"href":"\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1559"}],"version-history":[{"count":7,"href":"\/index.php?rest_route=\/wp\/v2\/posts\/1559\/revisions"}],"predecessor-version":[{"id":8812,"href":"\/index.php?rest_route=\/wp\/v2\/posts\/1559\/revisions\/8812"}],"wp:attachment":[{"href":"\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1559"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1559"},{"taxonomy":"post_tag","embeddable":true,"href":"\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1559"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}