{"id":135358,"date":"2024-09-06T11:43:27","date_gmt":"2024-09-06T06:13:27","guid":{"rendered":"https:\/\/www.vskills.in\/certification\/tutorial\/?page_id=135358"},"modified":"2024-09-06T11:43:28","modified_gmt":"2024-09-06T06:13:28","slug":"logging-overview","status":"publish","type":"page","link":"https:\/\/www.vskills.in\/certification\/tutorial\/logging-overview\/","title":{"rendered":"Logging Overview"},"content":{"rendered":"\n<p>Logging is an essential aspect of any application, providing valuable insights into its behavior and helping to identify and troubleshoot issues. In FastAPI, logging can be easily integrated to capture information about requests, responses, errors, and other relevant events. This guide will explore how to implement logging in your FastAPI applications.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Basic Logging<\/strong><\/h2>\n\n\n\n<p><strong>Import the Logging Module:<\/strong><\/p>\n\n\n\n<p>Python<\/p>\n\n\n\n<p>import logging<\/p>\n\n\n\n<p><strong>Create a Logger:<\/strong><\/p>\n\n\n\n<p>Python<\/p>\n\n\n\n<p>logger = logging.getLogger(<strong>name<\/strong>)<\/p>\n\n\n\n<p><strong>Log Messages:<\/strong><\/p>\n\n\n\n<p>Python<\/p>\n\n\n\n<p>@app.get(&#8220;\/&#8221;)<br>def read_root():<br>logger.info(&#8220;Received a GET request to \/&#8221;)<br>return {&#8220;Hello&#8221;: &#8220;World&#8221;}<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Configuring the Logger<\/strong><\/h2>\n\n\n\n<p>To customize the logging behavior, you can configure the logger&#8217;s level, format, and handlers.<\/p>\n\n\n\n<p><strong>Set the Log Level:<\/strong><\/p>\n\n\n\n<p>Python<\/p>\n\n\n\n<p>logger.setLevel(logging.DEBUG)<\/p>\n\n\n\n<p><strong>Create a Handler:<\/strong><\/p>\n\n\n\n<p>Python<\/p>\n\n\n\n<p>handler = logging.StreamHandler()<\/p>\n\n\n\n<p><strong>Set the Handler&#8217;s Formatter:<\/strong><\/p>\n\n\n\n<p>Python<\/p>\n\n\n\n<p>formatter = logging.Formatter(&#8216;%(asctime)s &#8211; %(name)s &#8211; %(levelname)s &#8211; %(message)s&#8217;)<br>handler.setFormatter(formatter)<\/p>\n\n\n\n<p><strong>Add the Handler to the Logger:<\/strong><\/p>\n\n\n\n<p>Python<\/p>\n\n\n\n<p>logger.addHandler(handler)<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Logging Request and Response Information<\/strong><\/h2>\n\n\n\n<p>To log details about incoming requests and outgoing responses, you can use the <code class=\"\">request<\/code> and <code class=\"\">response<\/code> objects provided by FastAPI.<\/p>\n\n\n\n<p>Python<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>@app.get(\"\/items\/{item_id}\")\ndef read_item(item_id: int, request: Request, response: Response):\n    logger.info(f\"Received GET request for item {item_id}\")\n    # ...\n    logger.info(f\"Sending response: {response.json()}\")\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Logging Exceptions<\/strong><\/h2>\n\n\n\n<p>You can log exceptions using the <code class=\"\">try...except<\/code> block:<\/p>\n\n\n\n<p>Python<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>@app.get(\"\/items\/{item_id}\")\ndef read_item(item_id: int):\n    try:\n        # ...\n    except Exception as e:\n        logger.error(f\"Error reading item {item_id}: {e}\")\n        raise\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Logging is an essential aspect of any application, providing valuable insights into its behavior and helping to identify and troubleshoot issues. In FastAPI, logging can be easily integrated to capture information about requests, responses, errors, and other relevant events. This guide will explore how to implement logging in your FastAPI applications. Basic Logging Import the&#8230;<\/p>\n","protected":false},"author":16,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-135358","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Logging Overview - Tutorial<\/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.vskills.in\/certification\/tutorial\/logging-overview\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Logging Overview - Tutorial\" \/>\n<meta property=\"og:description\" content=\"Logging is an essential aspect of any application, providing valuable insights into its behavior and helping to identify and troubleshoot issues. 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