{"id":21043,"date":"2023-06-04T23:57:23","date_gmt":"2023-06-04T14:57:23","guid":{"rendered":"http:\/\/www.code-magagine.com\/?p=21043"},"modified":"2023-06-18T11:03:17","modified_gmt":"2023-06-18T02:03:17","slug":"%e3%80%90python%e3%80%91%e6%a8%99%e6%ba%96%e3%83%a9%e3%82%a4%e3%83%96%e3%83%a9%e3%83%aa%e3%81%be%e3%81%a8%e3%82%81","status":"publish","type":"post","link":"http:\/\/www.code-magagine.com\/?p=21043","title":{"rendered":"\u3010Python\u3011\u30ed\u30b0\u51fa\u529b\u30e9\u30a4\u30d6\u30e9\u30ealogging"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Python logging<\/h2>\n\n\n\n<p>Python\u3067\u30ed\u30b0\u3092\u51fa\u529b\u3059\u308b\u305f\u3081\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u3059\u3002print\u3067\u3082\u826f\u3044\u306e\u3067\u3059\u304clogging\u306e\u65b9\u304c\u4fbf\u5229\u6a5f\u80fd\u304c\u8c4a\u5bcc\u306b\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">import logging\nlogging.info(\"\u30ed\u30b0\u51fa\u529b\u5185\u5bb9\")<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u30ed\u30b0\u30ec\u30d9\u30eb<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><th>\u30ed\u30b0\u30ec\u30d9\u30eb<\/th><th>\u30e9\u30d9\u30eb<\/th><th>\u8aac\u660e<\/th><\/tr><tr><td>1<\/td><td>CRITICAL<\/td><td>\u5b9f\u884c\u304c\u7d9a\u3051\u3089\u308c\u306a\u3044\u304f\u3089\u3044\u306e\u91cd\u5927\u306a\u969c\u5bb3<\/td><\/tr><tr><td>2<\/td><td>ERROR<\/td><td>\u3042\u308b\u6a5f\u80fd\u3092\u5b9f\u884c\u3067\u304d\u306a\u3044\u4f4d\u306e\u5c40\u6240\u7684\u306a\u554f\u984c<\/td><\/tr><tr><td>3<\/td><td>WARNING<\/td><td>\u60f3\u5b9a\u5916\u306e\u3053\u3068\u304c\u8d77\u304d\u3066\u554f\u984c\u304c\u767a\u751f\u3057\u305d\u3046\u306a\u72b6\u614b<\/td><\/tr><tr><td>4<\/td><td>INFO<\/td><td>\u60f3\u5b9a\u901a\u308a\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306e\u60c5\u5831\u51fa\u529b<\/td><\/tr><tr><td>5<\/td><td>DEBUG<\/td><td>\u30c7\u30d0\u30c3\u30b0\u3059\u308b\u969b\u306b\u8a73\u7d30\u306a\u60c5\u5831\u3092\u51fa\u529b\u3059\u308b\u5834\u5408\u306b\u4f7f\u3046\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u8f9e\u66f8\u5f62\u5f0f\u3067\u51fa\u529b\u3059\u308b<\/h3>\n\n\n\n<p>\u3053\u3093\u306a\u611f\u3058\u3067\u8f9e\u66f8\u5f62\u5f0f\u3067\u8a2d\u5b9a\u3057\u3066\u304a\u3051\u3070\u307e\u3068\u3081\u3066\u78ba\u8a8d\u3067\u304d\u308b\u4e0a\u306b\u4f55\u306e\u60c5\u5831\u304c\u51fa\u529b\u3055\u308c\u3066\u3044\u308b\u304b\u308f\u304b\u308b\u306e\u3067\u5f8c\u304b\u3089\u898b\u305f\u6642\u306b\u975e\u5e38\u306b\u4fbf\u5229\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">logging.debug({\n    'status': response.status,\n    'url': response.url,\n})<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u30ed\u30ae\u30f3\u30b0\u30aa\u30d6\u30b8\u30a7\u30af\u30c8<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>from logging import getLogger,StreamHandler,DEBUG\nlogger = getLogger(__name__)\nhandler = StreamHandler()\nhandler.setLevel(DEBUG)\nlogger.setLevel(DEBUG)\nlogger.addHandler(handler) # \u30ed\u30ac\u30fc\u306b\u30cf\u30f3\u30c9\u30e9\u30fc\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u6307\u5b9a\nlogger.debug(\"\u30c7\u30d0\u30c3\u30b0\u3057\u307e\u3059\u3002\")<\/code><\/pre>\n\n\n\n<p>\u30ed\u30ae\u30f3\u30b0\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u30ed\u30b0\u51fa\u529b\u3092\u547d\u4ee4\u3059\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">__name__<\/h3>\n\n\n\n<p>Python\u30d5\u30a1\u30a4\u30eb\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u540d\u304c\u5165\u3063\u3066\u3044\u307e\u3059\u3002\uff08\u666e\u901a\u306b\u5b9f\u884c\u3059\u308b\u3068\u300c__main__\u300d\u304c\u5165\u308a\u307e\u3059\u3002\uff09<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">StreamHandler()<\/h3>\n\n\n\n<p>\u5b9f\u969b\u306b\u3069\u3046\u3084\u3063\u3066\u30ed\u30b0\u306e\u51fa\u529b\u3092\u3059\u308b\u304b\u64cd\u4f5c\u3057\u3066\u3044\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002Python\u306e\u6a19\u6e96\u51fa\u529b\u306b\u51fa\u529b\u3059\u308b\u305f\u3081\u306e\u30cf\u30f3\u30c9\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">logger.setLevel(DEBUG)<\/h3>\n\n\n\n<p>DEBUG\u4ee5\u4e0a\u306e\u30ec\u30d9\u30eb(INFO\u3001ERROR\u306a\u3069)\u3092\u6271\u3063\u3066\u304f\u3060\u3055\u3044\u3068logger\u306b\u6307\u5b9a\u3057\u3066\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30ed\u30b0\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8<\/h2>\n\n\n\n<p>\u81ea\u5206\u306e\u597d\u304d\u306a\u3088\u3046\u306b\u30ed\u30b0\u51fa\u529b\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3067\u304d\u308b\u6a5f\u80fd\u3067\u3059\u3002\u30cf\u30f3\u30c9\u30e9\u30fc\u306b\u5bfe\u3057\u3066\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>'%(levelname)s'<\/td><td>\u30ed\u30b0\u306e\u30ec\u30d9\u30eb<\/td><\/tr><tr><td>'%(asctime)s'<\/td><td>\u30ed\u30b0\u304c\u51fa\u529b\u3055\u308c\u305f\u6642\u9593<\/td><\/tr><tr><td>'%(message)s'<\/td><td>\u30e1\u30c3\u30bb\u30fc\u30b8<\/td><\/tr><tr><td>'%(filename)s'<\/td><td>\u30d5\u30a1\u30a4\u30eb\u540d\uff08\u6ce8\u610f\u70b9\u3068\u3057\u3066\u3001\u30ed\u30b0\u51fa\u529b\u5148\u306e\u30d5\u30a1\u30a4\u30eb\u540d\u3067\u306f\u306a\u304f\u30ed\u30b0\u51fa\u529b\u3092\u5b9f\u884c\u3057\u305f\u30b3\u30fc\u30c9\u306e\u30d5\u30a1\u30a4\u30eb\u540d\u3067\u3059\u3002\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<pre class=\"wp-block-code\"><code>from logging import Formatter\r\nformatter = Formatter('&#91;%(levelname)s] %(filename)s %(asctime)s %(message)s')\r\nhandler.setFormatter(formatter)\r\nlogger.debug(\"\u30c7\u30d0\u30c3\u30b0\u3057\u307e\u3059\u3002\") # &#91;DEBUG] log.py 2023-06-18 10:49:19,061 \u30c7\u30d0\u30c3\u30b0\u3057\u307e\u3059\u3002<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u30d5\u30a1\u30a4\u30eb\u51fa\u529b<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>from logging import getLogger,FileHandler,DEBUG\nhandler = FileHandler('test.log')\nlogger.debug(\"\u30c7\u30d0\u30c3\u30b0\u3057\u307e\u3059\u3002\")<\/code><\/pre>\n\n\n\n<p>FileHandler\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u3046\u3053\u3068\u3067\u30ed\u30b0\u3092\u30d5\u30a1\u30a4\u30eb\u540d\u3092\u6307\u5b9a\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u51fa\u529b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u306a\u304a\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u8907\u6570\u56de\u5b9f\u884c\u3057\u305f\u5834\u5408\u306f\u4e0a\u66f8\u304d\u3067\u306f\u306a\u304f\u30d5\u30a1\u30a4\u30eb\u306b\u8ffd\u8a18\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30ed\u30b0\u30ec\u30d9\u30eb\u306b\u3088\u308b\u30d5\u30a1\u30a4\u30eb\u306e\u51fa\u3057\u5206\u3051<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>from logging import getLogger,FileHandler,DEBUG,ERROR\r\nlogger = getLogger(__name__)\r\nhandler = FileHandler('test.txt')\r\nlogger.setLevel(DEBUG)\r\nhandler.setLevel(DEBUG)\r\nlogger.addHandler(handler) # \u30ed\u30ac\u30fc\u306b\u30cf\u30f3\u30c9\u30e9\u30fc\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u6307\u5b9a\r\nfrom logging import Formatter\r\nformatter = Formatter('&#91;%(levelname)s] %(filename)s %(asctime)s %(message)s')\r\nhandler.setFormatter(formatter)\r\nlogger.debug(\"\u30c7\u30d0\u30c3\u30b0\u3057\u307e\u3059\u3002\")\r\n\r\nerror_handler = FileHandler('error.txt')\r\nlogger.setLevel(ERROR)\r\nlogger.addHandler(error_handler) # \u30ed\u30ac\u30fc\u306b\u30cf\u30f3\u30c9\u30e9\u30fc\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u6307\u5b9a\r\nlogger.error(\"\u30a8\u30e9\u30fc\u3067\u3059\u3002\")<\/code><\/pre>\n\n\n\n<p>\u30ed\u30b0\u30ec\u30d9\u30eb\u3054\u3068\u306b\u5225\u3005\u306e\u30cf\u30f3\u30c9\u30e9\u30fc\u3092\u4f5c\u3063\u3066logger\u306b\u305d\u308c\u305e\u308c\u8a2d\u5b9a\u3057\u3066\u3042\u3052\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u3092\u51fa\u3057\u5206\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>logger\u306e\u30ed\u30b0\u30ec\u30d9\u30eb\u3092\u4f4e\u304f\u3057\u3066\u304a\u3044\u3066\u3001handler\u306e\u30ed\u30b0\u30ec\u30d9\u30eb\u3092\u30d5\u30a1\u30a4\u30eb\u306b\u3088\u3063\u3066\u8abf\u6574\u3059\u308b\u3068\u3044\u3046\u4f7f\u3044\u5206\u3051\u3092\u3059\u308b\u3053\u3068\u304c\u30d7\u30ed\u30c0\u30af\u30c8\u30ec\u30d9\u30eb\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u88c5\u3059\u308b\u3046\u3048\u3067\u91cd\u8981\u306b\u306a\u3063\u3066\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python logging Python\u3067\u30ed\u30b0\u3092\u51fa\u529b\u3059\u308b\u305f\u3081\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u3059\u3002print\u3067\u3082\u826f\u3044\u306e\u3067\u3059\u304clogging\u306e\u65b9\u304c\u4fbf\u5229\u6a5f\u80fd\u304c\u8c4a\u5bcc\u306b\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002 import logging logging.info(\"\u30ed [&hellip;]","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[47],"tags":[],"_links":{"self":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/21043"}],"collection":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=21043"}],"version-history":[{"count":13,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/21043\/revisions"}],"predecessor-version":[{"id":21562,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/21043\/revisions\/21562"}],"wp:attachment":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=21043"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=21043"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=21043"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}