{"id":28261,"date":"2024-03-16T10:01:23","date_gmt":"2024-03-16T10:01:23","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-implement-logging-in-python\/"},"modified":"2024-03-22T13:01:33","modified_gmt":"2024-03-22T13:01:33","slug":"how-to-implement-logging-in-python","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-implement-logging-in-python\/","title":{"rendered":"How to implement logging in Python?"},"content":{"rendered":"<p>In Python, you can utilize the built-in logging module to achieve logging functionality. Here is a simple example:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> logging\r\n\r\n<span class=\"hljs-comment\"># \u914d\u7f6e\u65e5\u5fd7\u8f93\u51fa\u7684\u683c\u5f0f\u548c\u7ea7\u522b<\/span>\r\nlogging.basicConfig(level=logging.DEBUG, <span class=\"hljs-built_in\">format<\/span>=<span class=\"hljs-string\">'%(asctime)s - %(levelname)s - %(message)s'<\/span>)\r\n\r\n<span class=\"hljs-comment\"># \u6253\u5370\u4e0d\u540c\u7ea7\u522b\u7684\u65e5\u5fd7<\/span>\r\nlogging.debug(<span class=\"hljs-string\">'This is a debug message'<\/span>)\r\nlogging.info(<span class=\"hljs-string\">'This is an info message'<\/span>)\r\nlogging.warning(<span class=\"hljs-string\">'This is a warning message'<\/span>)\r\nlogging.error(<span class=\"hljs-string\">'This is an error message'<\/span>)\r\nlogging.critical(<span class=\"hljs-string\">'This is a critical message'<\/span>)\r\n<\/code><\/pre>\n<p>The output is as follows:<\/p>\n<pre class=\"post-pre\"><code>2019-08-01 10:30:00,000 - DEBUG - This is a debug message\r\n2019-08-01 10:30:00,001 - INFO - This is an info message\r\n2019-08-01 10:30:00,002 - WARNING - This is a warning message\r\n2019-08-01 10:30:00,003 - ERROR - This is an error message\r\n2019-08-01 10:30:00,004 - CRITICAL - This is a critical message\r\n<\/code><\/pre>\n<p>In the example above, we configured the logging output level as DEBUG using the basicConfig function, and defined the format of the log output. We then used methods like logging.debug, logging.info to print logs of different levels.<\/p>\n<p>You can also redirect the log to a file instead of printing it to the console. Just set the filename parameter of the basicConfig function to a file path.<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> logging\r\n\r\nlogging.basicConfig(level=logging.DEBUG, filename=<span class=\"hljs-string\">'mylog.log'<\/span>, filemode=<span class=\"hljs-string\">'w'<\/span>, <span class=\"hljs-built_in\">format<\/span>=<span class=\"hljs-string\">'%(asctime)s - %(levelname)s - %(message)s'<\/span>)\r\n\r\nlogging.debug(<span class=\"hljs-string\">'This is a debug message'<\/span>)\r\n<\/code><\/pre>\n<p>In this way, the log information will be written to the mylog.log file.<\/p>\n<p>In addition to the basic usage mentioned above, the logging module also offers more advanced functionalities such as configuring multiple loggers, setting log filters, and defining different log handlers. You can refer to the official documentation for more details: https:\/\/docs.python.org\/3\/library\/logging.html.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In Python, you can utilize the built-in logging module to achieve logging functionality. Here is a simple example: import logging # \u914d\u7f6e\u65e5\u5fd7\u8f93\u51fa\u7684\u683c\u5f0f\u548c\u7ea7\u522b logging.basicConfig(level=logging.DEBUG, format=&#8217;%(asctime)s &#8211; %(levelname)s &#8211; %(message)s&#8217;) # \u6253\u5370\u4e0d\u540c\u7ea7\u522b\u7684\u65e5\u5fd7 logging.debug(&#8216;This is a debug message&#8217;) logging.info(&#8216;This is an info message&#8217;) logging.warning(&#8216;This is a warning message&#8217;) logging.error(&#8216;This is an error message&#8217;) logging.critical(&#8216;This is a critical message&#8217;) [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-28261","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to implement logging in Python? - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/blog\/how-to-implement-logging-in-python\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to implement logging in Python?\" \/>\n<meta property=\"og:description\" content=\"In Python, you can utilize the built-in logging module to achieve logging functionality. Here is a simple example: import logging # \u914d\u7f6e\u65e5\u5fd7\u8f93\u51fa\u7684\u683c\u5f0f\u548c\u7ea7\u522b logging.basicConfig(level=logging.DEBUG, format=&#039;%(asctime)s - %(levelname)s - %(message)s&#039;) # \u6253\u5370\u4e0d\u540c\u7ea7\u522b\u7684\u65e5\u5fd7 logging.debug(&#039;This is a debug message&#039;) logging.info(&#039;This is an info message&#039;) logging.warning(&#039;This is a warning message&#039;) logging.error(&#039;This is an error message&#039;) logging.critical(&#039;This is a critical message&#039;) [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/how-to-implement-logging-in-python\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-16T10:01:23+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-22T13:01:33+00:00\" \/>\n<meta name=\"author\" content=\"Ava Mitchell\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:site\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Ava Mitchell\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-implement-logging-in-python\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-implement-logging-in-python\/\"},\"author\":{\"name\":\"Ava Mitchell\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/a3e2658c2cb9fb2be95ae0a8861f4a64\"},\"headline\":\"How to implement logging in Python?\",\"datePublished\":\"2024-03-16T10:01:23+00:00\",\"dateModified\":\"2024-03-22T13:01:33+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-implement-logging-in-python\/\"},\"wordCount\":157,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-implement-logging-in-python\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/how-to-implement-logging-in-python\/\",\"name\":\"How to implement logging in Python? 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