{"id":15527,"date":"2024-01-13T13:02:31","date_gmt":"2024-01-13T09:32:31","guid":{"rendered":"https:\/\/rasanegar.com\/blog\/%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87-%d8%a7%d8%b2-__slots__-%d8%a8%d8%b1%d8%a7%db%8c-%d8%b0%d8%ae%db%8c%d8%b1%d9%87-%d8%af%d8%a7%d8%af%d9%87-%d9%87%d8%a7%db%8c-%d8%b4%db%8c-%d8%af%d8%b1-%d9%be\/"},"modified":"2024-01-13T13:02:31","modified_gmt":"2024-01-13T09:32:31","slug":"%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87-%d8%a7%d8%b2-__slots__-%d8%a8%d8%b1%d8%a7%db%8c-%d8%b0%d8%ae%db%8c%d8%b1%d9%87-%d8%af%d8%a7%d8%af%d9%87-%d9%87%d8%a7%db%8c-%d8%b4%db%8c-%d8%af%d8%b1-%d9%be","status":"publish","type":"post","link":"https:\/\/rasanegaar.com\/blog\/%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87-%d8%a7%d8%b2-__slots__-%d8%a8%d8%b1%d8%a7%db%8c-%d8%b0%d8%ae%db%8c%d8%b1%d9%87-%d8%af%d8%a7%d8%af%d9%87-%d9%87%d8%a7%db%8c-%d8%b4%db%8c-%d8%af%d8%b1-%d9%be\/","title":{"rendered":"\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 __slots__ \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0634\u06cc \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0633\u0631\u0641\u0635\u0644\u0647\u0627\u06cc \u0645\u0637\u0644\u0628<\/p>\n<\/div><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87-%d8%a7%d8%b2-__slots__-%d8%a8%d8%b1%d8%a7%db%8c-%d8%b0%d8%ae%db%8c%d8%b1%d9%87-%d8%af%d8%a7%d8%af%d9%87-%d9%87%d8%a7%db%8c-%d8%b4%db%8c-%d8%af%d8%b1-%d9%be\/#%d9%85%d8%b9%d8%b1%d9%81%db%8c\" >\u0645\u0639\u0631\u0641\u06cc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87-%d8%a7%d8%b2-__slots__-%d8%a8%d8%b1%d8%a7%db%8c-%d8%b0%d8%ae%db%8c%d8%b1%d9%87-%d8%af%d8%a7%d8%af%d9%87-%d9%87%d8%a7%db%8c-%d8%b4%db%8c-%d8%af%d8%b1-%d9%be\/#%da%86%d9%87_%d9%87%d8%b3%d8%aa%d9%86%d8%af_%d8%a7%d8%b3%d9%84%d8%a7%d8%aa_%d9%88_%da%86%da%af%d9%88%d9%86%d9%87_%d8%a7%d8%b2_%d8%a2%d9%86%d9%87%d8%a7_%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87_%da%a9%d9%86%db%8c%d9%85%d8%9f\" >\u0686\u0647 \u0647\u0633\u062a\u0646\u062f _\u0627\u0633\u0644\u0627\u062a_  \u0648 \u0686\u06af\u0648\u0646\u0647 \u0627\u0632 \u0622\u0646\u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87-%d8%a7%d8%b2-__slots__-%d8%a8%d8%b1%d8%a7%db%8c-%d8%b0%d8%ae%db%8c%d8%b1%d9%87-%d8%af%d8%a7%d8%af%d9%87-%d9%87%d8%a7%db%8c-%d8%b4%db%8c-%d8%af%d8%b1-%d9%be\/#%da%a9%d8%a7%d8%b1%d8%a7%db%8c%db%8c_%d9%88_%d8%b3%d8%b1%d8%b9%d8%aa_%d8%b4%da%a9%d8%a7%d9%81_%d9%87%d8%a7\" >\u06a9\u0627\u0631\u0627\u06cc\u06cc \u0648 \u0633\u0631\u0639\u062a \u0634\u06a9\u0627\u0641 \u0647\u0627<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87-%d8%a7%d8%b2-__slots__-%d8%a8%d8%b1%d8%a7%db%8c-%d8%b0%d8%ae%db%8c%d8%b1%d9%87-%d8%af%d8%a7%d8%af%d9%87-%d9%87%d8%a7%db%8c-%d8%b4%db%8c-%d8%af%d8%b1-%d9%be\/#gotchas_%d8%a8%d8%a7_%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87_%d8%a7%d8%b2_%d8%a7%d8%b3%d9%84%d8%a7%d8%aa\" >Gotchas \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u0633\u0644\u0627\u062a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87-%d8%a7%d8%b2-__slots__-%d8%a8%d8%b1%d8%a7%db%8c-%d8%b0%d8%ae%db%8c%d8%b1%d9%87-%d8%af%d8%a7%d8%af%d9%87-%d9%87%d8%a7%db%8c-%d8%b4%db%8c-%d8%af%d8%b1-%d9%be\/#%d9%86%d8%aa%db%8c%d8%ac%d9%87\" >\u0646\u062a\u06cc\u062c\u0647<\/a><\/li><\/ul><\/nav><\/div>\n<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">\u0632\u0645\u0627\u0646 \u0644\u0627\u0632\u0645 \u0628\u0631\u0627\u06cc \u0645\u0637\u0627\u0644\u0639\u0647: <\/span> <span class=\"rt-time\"> 5<\/span> <span class=\"rt-label rt-postfix\">\u062f\u0642\u06cc\u0642\u0647<\/span><\/span><p> <br \/>\n<\/p>\n<div><noscript><\/noscript><\/p>\n<h2 id=\"introduction\"><span class=\"ez-toc-section\" id=\"%d9%85%d8%b9%d8%b1%d9%81%db%8c\"><\/span>\u0645\u0639\u0631\u0641\u06cc<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646\u060c \u0647\u0631 \u0646\u0645\u0648\u0646\u0647 \u0634\u06cc \u0628\u0627 \u062a\u0648\u0627\u0628\u0639 \u0648 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u0627\u0632 \u067e\u06cc\u0634 \u0633\u0627\u062e\u062a\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a.  \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u067e\u0627\u06cc\u062a\u0648\u0646 \u0627\u0632 \u06cc\u06a9 \u0641\u0631\u0647\u0646\u06af \u0644\u063a\u062a \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0646\u0645\u0648\u0646\u0647 \u06cc\u06a9 \u0634\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f.  \u0627\u06cc\u0646 \u0645\u0632\u0627\u06cc\u0627\u06cc \u0628\u0633\u06cc\u0627\u0631\u06cc \u062f\u0627\u0631\u062f\u060c \u0645\u0627\u0646\u0646\u062f \u0627\u06cc\u0646\u06a9\u0647 \u0628\u0647 \u0645\u0627 \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc \u062f\u0647\u062f \u062a\u0627 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u062c\u062f\u06cc\u062f \u0631\u0627 \u062f\u0631 \u0632\u0645\u0627\u0646 \u0627\u062c\u0631\u0627 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u0645.  \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u0627\u06cc\u0646 \u0631\u0627\u062d\u062a\u06cc \u0647\u0632\u06cc\u0646\u0647 \u062f\u0627\u0631\u062f.<\/p>\n<p>\u062f\u06cc\u06a9\u0634\u0646\u0631\u06cc\u200c\u0647\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u0645\u0642\u062f\u0627\u0631 \u0632\u06cc\u0627\u062f\u06cc \u0627\u0632 \u062d\u0627\u0641\u0638\u0647 \u0631\u0627 \u0645\u0635\u0631\u0641 \u06a9\u0646\u0646\u062f\u060c \u0628\u0647\u200c\u062e\u0635\u0648\u0635 \u0627\u06af\u0631 \u0646\u0645\u0648\u0646\u0647\u200c\u0647\u0627\u06cc \u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u0627\u0634\u06cc\u0627\u0621 \u0628\u0627 \u062a\u0639\u062f\u0627\u062f \u0632\u06cc\u0627\u062f\u06cc \u0648\u06cc\u0698\u06af\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u0645.  \u0627\u06af\u0631 \u0639\u0645\u0644\u06a9\u0631\u062f \u0648 \u06a9\u0627\u0631\u0627\u06cc\u06cc \u062d\u0627\u0641\u0638\u0647 \u06a9\u062f \u062d\u06cc\u0627\u062a\u06cc \u0628\u0627\u0634\u062f\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0631\u0627\u062d\u062a\u06cc \u062f\u06cc\u06a9\u0634\u0646\u0631\u06cc \u0647\u0627 \u0631\u0627 \u0628\u0627 <code>__slots__<\/code>.<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0622\u0645\u0648\u0632\u0634 \u0628\u0647 \u0628\u0631\u0631\u0633\u06cc \u0686\u0647 \u0686\u06cc\u0632\u06cc \u0645\u06cc \u067e\u0631\u062f\u0627\u0632\u06cc\u0645 <code>__slots__<\/code> \u0647\u0633\u062a\u0646\u062f \u0648 \u0631\u0648\u0634 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646\u0647\u0627 \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646.  \u0645\u0627 \u0647\u0645\u0686\u0646\u06cc\u0646 \u062f\u0631 \u0645\u0648\u0631\u062f \u0645\u0639\u0627\u0648\u0636\u0647 \u0647\u0627\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0628\u062d\u062b \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f <code>__slots__<\/code>\u0648 \u062f\u0631 \u0645\u0642\u0627\u06cc\u0633\u0647 \u0628\u0627 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u0645\u0639\u0645\u0648\u0644\u06cc \u06a9\u0647 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0646\u0645\u0648\u0646\u0647 \u062e\u0648\u062f \u0631\u0627 \u0628\u0627 \u062f\u06cc\u06a9\u0634\u0646\u0631\u06cc \u0647\u0627 \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc \u06a9\u0646\u0646\u062f\u060c \u0628\u0647 \u0639\u0645\u0644\u06a9\u0631\u062f \u0622\u0646\u0647\u0627 \u0646\u06af\u0627\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n<h2 id=\"whatare_slots_andhowtousethem\"><span class=\"ez-toc-section\" id=\"%da%86%d9%87_%d9%87%d8%b3%d8%aa%d9%86%d8%af_%d8%a7%d8%b3%d9%84%d8%a7%d8%aa_%d9%88_%da%86%da%af%d9%88%d9%86%d9%87_%d8%a7%d8%b2_%d8%a2%d9%86%d9%87%d8%a7_%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87_%da%a9%d9%86%db%8c%d9%85%d8%9f\"><\/span>\u0686\u0647 \u0647\u0633\u062a\u0646\u062f <em>_<em>\u0627\u0633\u0644\u0627\u062a_<\/em><\/em>  \u0648 \u0686\u06af\u0648\u0646\u0647 \u0627\u0632 \u0622\u0646\u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645\u061f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u0633\u0644\u0627\u062a \u0647\u0627 \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc \u06a9\u0644\u0627\u0633\u06cc \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0628\u0647 \u0622\u0646\u0647\u0627 \u06cc\u06a9 \u0631\u0634\u062a\u0647\u060c \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631 \u06cc\u0627 \u062f\u0646\u0628\u0627\u0644\u0647 \u0627\u06cc \u0627\u0632 \u0631\u0634\u062a\u0647 \u0647\u0627 \u0627\u0632 \u0646\u0627\u0645 \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc \u0646\u0645\u0648\u0646\u0647 \u0627\u062e\u062a\u0635\u0627\u0635 \u062f\u0627\u062f.  \u0647\u0646\u06af\u0627\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u0633\u0644\u0627\u062a \u0647\u0627\u060c \u0634\u0645\u0627 \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc \u0646\u0645\u0648\u0646\u0647 \u06cc\u06a9 \u0634\u06cc \u0631\u0627 \u0627\u0632 \u062c\u0644\u0648 \u0646\u0627\u0645 \u0645\u06cc \u0628\u0631\u06cc\u062f \u0648 \u062a\u0648\u0627\u0646\u0627\u06cc\u06cc \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0646 \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u067e\u0648\u06cc\u0627 \u0627\u0632 \u062f\u0633\u062a \u0645\u06cc \u062f\u0647\u06cc\u062f.<\/p>\n<p>\u06cc\u06a9 \u0646\u0645\u0648\u0646\u0647 \u0634\u06cc \u06a9\u0647 \u0627\u0632 \u0627\u0633\u0644\u0627\u062a \u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f \u0641\u0631\u0647\u0646\u06af \u0644\u063a\u062a \u062f\u0627\u062e\u0644\u06cc \u0646\u062f\u0627\u0631\u062f.  \u062f\u0631 \u0646\u062a\u06cc\u062c\u0647 \u0641\u0636\u0627\u06cc \u0628\u06cc\u0634\u062a\u0631\u06cc \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc \u0634\u0648\u062f \u0648 \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627 \u0633\u0631\u06cc\u0639\u062a\u0631 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0622\u0646 \u0631\u0627 \u062f\u0631 \u0639\u0645\u0644 \u0628\u0628\u06cc\u0646\u06cc\u0645.  \u0627\u06cc\u0646 \u06a9\u0644\u0627\u0633 \u0645\u0639\u0645\u0648\u0644\u06cc \u0631\u0627 \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">CharacterWithoutSlots<\/span>():<\/span>\n    organization = <span class=\"hljs-string\">\"Slate Rock and Gravel Company\"<\/span>\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__init__<\/span>(<span class=\"hljs-params\">self, name, location<\/span>):<\/span>\n        self.name = name\n        self.location = location\n\nwithout_slots = character_without_slots(<span class=\"hljs-string\">'Fred Flinstone'<\/span>, <span class=\"hljs-string\">'Bedrock'<\/span>)\n<span class=\"hljs-built_in\">print<\/span>(without_slots.__dict__)  \n<\/code><\/pre>\n<p>\u062f\u0631 \u0642\u0637\u0639\u0647 \u0628\u0627\u0644\u0627:<\/p>\n<ul>\n<li><code>organization<\/code>  \u06cc\u06a9 \u0645\u062a\u063a\u06cc\u0631 \u06a9\u0644\u0627\u0633 \u0627\u0633\u062a<\/li>\n<li><code>name<\/code>  \u0648 <code>location<\/code> \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc \u0646\u0645\u0648\u0646\u0647 \u0647\u0633\u062a\u0646\u062f (\u0628\u0647 \u06a9\u0644\u0645\u0647 \u06a9\u0644\u06cc\u062f\u06cc \u062a\u0648\u062c\u0647 \u06a9\u0646\u06cc\u062f <code>self<\/code> \u062f\u0631 \u0628\u0631\u0627\u0628\u0631 \u0622\u0646\u0647\u0627)<\/li>\n<\/ul>\n<p>\u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0647\u0631 \u0646\u0645\u0648\u0646\u0647 \u0634\u06cc \u0627\u0632 \u06a9\u0644\u0627\u0633 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u0634\u0648\u062f\u060c \u06cc\u06a9 \u0641\u0631\u0647\u0646\u06af \u0644\u063a\u062a \u067e\u0648\u06cc\u0627 \u062a\u062d\u062a \u0646\u0627\u0645 \u0648\u06cc\u0698\u06af\u06cc as \u062a\u062e\u0635\u06cc\u0635 \u062f\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f <code>__dict__<\/code> \u06a9\u0647 \u0634\u0627\u0645\u0644 \u062a\u0645\u0627\u0645 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0642\u0627\u0628\u0644 \u0646\u0648\u0634\u062a\u0646 \u06cc\u06a9 \u0634\u06cc \u0627\u0633\u062a.  \u062e\u0631\u0648\u062c\u06cc \u0642\u0637\u0639\u0647 \u06a9\u062f \u0628\u0627\u0644\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u0632\u06cc\u0631 \u0627\u0633\u062a:<\/p>\n<pre><code class=\"hljs\">{'name': 'Fred Flinstone', 'location': 'Bedrock'}\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0628\u0647 \u0635\u0648\u0631\u062a \u062a\u0635\u0648\u06cc\u0631\u06cc \u0646\u0634\u0627\u0646 \u062f\u0627\u062f:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/rasanegar.com\/blog\/wp-content\/uploads\/2024\/01\/using-slots-to-store-data-in-python-1.jpg\" alt=\"\u0634\u06a9\u0644 1: \u0631\u0641\u062a\u0627\u0631 \u06cc\u06a9 \u0634\u06cc\u0621 \u06a9\u0644\u0627\u0633 \u0645\u0639\u0645\u0648\u0644\u06cc\" title=\"\"><\/p>\n<p>\u062d\u0627\u0644\u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0628\u06cc\u0646\u06cc\u0645 \u0686\u06af\u0648\u0646\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u06cc\u0646 \u06a9\u0644\u0627\u0633 \u0631\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u0633\u0644\u0627\u062a \u0647\u0627 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">CharacterWithSlots<\/span>():<\/span>\n    __slots__ = (<span class=\"hljs-string\">\"name\"<\/span>, <span class=\"hljs-string\">\"location\"<\/span>)\n    organization = <span class=\"hljs-string\">\"Slate Rock and Gravel Company\"<\/span>\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__init__<\/span>(<span class=\"hljs-params\">self, name, location<\/span>):<\/span>\n        self.name = name\n        self.location = location\n\nwith_slots = CharacterWithSlots(<span class=\"hljs-string\">'Fred Flinstone'<\/span>, <span class=\"hljs-string\">'Bedrock'<\/span>)\n<span class=\"hljs-built_in\">print<\/span>(with_slots.__dict__)\n<\/code><\/pre>\n<p>\u062f\u0631 \u0642\u0637\u0639\u0647 \u0628\u0627\u0644\u0627:<\/p>\n<ul>\n<li><code>organization<\/code>  \u06cc\u06a9 \u0645\u062a\u063a\u06cc\u0631 \u06a9\u0644\u0627\u0633 \u0627\u0633\u062a<\/li>\n<li><code>name<\/code>  \u0648 <code>location<\/code> \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc \u0646\u0645\u0648\u0646\u0647 \u0647\u0633\u062a\u0646\u062f<\/li>\n<li>\u06a9\u0644\u0645\u0647 \u06a9\u0644\u06cc\u062f\u06cc <code>__slots__<\/code> \u06cc\u06a9 \u0645\u062a\u063a\u06cc\u0631 \u06a9\u0644\u0627\u0633 \u0627\u0633\u062a \u06a9\u0647 \u0644\u06cc\u0633\u062a\u06cc \u0627\u0632 \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc \u0646\u0645\u0648\u0646\u0647 \u0631\u0627 \u0646\u06af\u0647 \u0645\u06cc\u200c\u062f\u0627\u0631\u062f (<code>name<\/code> \u0648 <code>location<\/code>)<\/li>\n<\/ul>\n<p>\u0628\u0627 \u0627\u062c\u0631\u0627\u06cc \u0622\u0646 \u06a9\u062f \u0627\u06cc\u0646 \u062e\u0637\u0627 \u0631\u0627 \u0628\u0647 \u0645\u0627 \u0645\u06cc \u062f\u0647\u062f:<\/p>\n<pre><code class=\"hljs\">Traceback (most recent call last):\n  File \"&lt;stdin&gt;\", line 1, in &lt;module&gt;\nAttributeError: 'character_without_slots' object has no attribute '__dict__'\n<\/code><\/pre>\n<p>\u062f\u0631\u0633\u062a \u0627\u0633\u062a!  \u0646\u0645\u0648\u0646\u0647 \u0647\u0627\u06cc \u0634\u06cc \u0627\u0632 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u062f\u0627\u0631\u0627\u06cc \u0627\u0633\u0644\u0627\u062a <strong>\u0627\u0646\u062c\u0627\u0645 \u0646\u062f\u0647\u06cc\u062f<\/strong> \u062f\u0627\u0634\u062a\u0646 \u06cc\u06a9 <code>__dict__<\/code> \u0635\u0641\u062a.  \u062f\u0631 \u067e\u0634\u062a \u0635\u062d\u0646\u0647\u060c \u0628\u0647 \u062c\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc \u0646\u0645\u0648\u0646\u0647 \u062f\u0631 \u06cc\u06a9 \u0641\u0631\u0647\u0646\u06af \u0644\u063a\u062a\u060c \u0645\u0642\u0627\u062f\u06cc\u0631 \u0628\u0627 \u0645\u06a9\u0627\u0646 \u0647\u0627\u06cc \u0641\u0647\u0631\u0633\u062a \u0645\u0627\u0646\u0646\u062f \u0634\u06a9\u0644 \u0632\u06cc\u0631 \u0646\u06af\u0627\u0634\u062a \u0645\u06cc \u0634\u0648\u0646\u062f:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/rasanegar.com\/blog\/wp-content\/uploads\/2024\/01\/using-slots-to-store-data-in-python-2.jpg\" alt=\"\u0634\u06a9\u0644 2: \u0631\u0641\u062a\u0627\u0631 \u06cc\u06a9 \u0634\u06cc\u0621 \u06a9\u0644\u0627\u0633 \u0628\u0627 \" title=\"\"><\/p>\n<p>\u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0631\u062f <code>__dict__<\/code> \u0648\u06cc\u0698\u06af\u06cc\u060c \u0634\u0645\u0627 \u0647\u0645\u0686\u0646\u0627\u0646 \u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0645\u0639\u0645\u0648\u0644\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u06cc\u062f \u0628\u0647 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0634\u06cc \u062f\u0633\u062a\u0631\u0633\u06cc \u067e\u06cc\u062f\u0627 \u0645\u06cc \u06a9\u0646\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-built_in\">print<\/span>(with_slots.name)         \n<span class=\"hljs-built_in\">print<\/span>(with_slots.location)     \n<span class=\"hljs-built_in\">print<\/span>(with_slots.organization) \n<\/code><\/pre>\n<p>\u0627\u0633\u0644\u0627\u062a \u0647\u0627 \u0635\u0631\u0641\u0627\u064b \u0628\u0631\u0627\u06cc \u0628\u0647\u0628\u0648\u062f \u0639\u0645\u0644\u06a9\u0631\u062f \u0627\u06cc\u062c\u0627\u062f \u0634\u062f\u0647 \u0627\u0646\u062f\u060c \u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 Guido \u062f\u0631 \u062e\u0648\u062f \u0628\u06cc\u0627\u0646 \u06a9\u0631\u062f\u0647 \u0627\u0633\u062a <a href=\"http:\/\/python-history.blogspot.com\/2010\/06\/inside-story-on-new-style-classes.html\" rel=\"nofollow noopener\" target=\"_blank\">\u067e\u0633\u062a \u0648\u0628\u0644\u0627\u06af \u0645\u0639\u062a\u0628\u0631<\/a>.<\/p>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0628\u06cc\u0646\u06cc\u0645 \u0622\u06cc\u0627 \u0622\u0646\u0647\u0627 \u0627\u0632 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u0628\u0647\u062a\u0631 \u0639\u0645\u0644 \u0645\u06cc \u06a9\u0646\u0646\u062f \u06cc\u0627 \u062e\u06cc\u0631.<\/p>\n<h2 id=\"efficiencyandvelocityofslots\"><span class=\"ez-toc-section\" id=\"%da%a9%d8%a7%d8%b1%d8%a7%db%8c%db%8c_%d9%88_%d8%b3%d8%b1%d8%b9%d8%aa_%d8%b4%da%a9%d8%a7%d9%81_%d9%87%d8%a7\"><\/span>\u06a9\u0627\u0631\u0627\u06cc\u06cc \u0648 \u0633\u0631\u0639\u062a \u0634\u06a9\u0627\u0641 \u0647\u0627<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0645\u0627 \u0642\u0635\u062f \u062f\u0627\u0631\u06cc\u0645 \u0627\u0634\u06cc\u0627\u0621 \u0646\u0645\u0648\u0646\u0647 \u0633\u0627\u0632\u06cc \u0634\u062f\u0647 \u0628\u0627 \u0627\u0633\u0644\u0627\u062a \u0631\u0627 \u0628\u0627 \u0627\u0634\u06cc\u0627\u0621 \u0646\u0645\u0648\u0646\u0647 \u0633\u0627\u0632\u06cc \u0634\u062f\u0647 \u0628\u0627 \u062f\u06cc\u06a9\u0634\u0646\u0631\u06cc \u0647\u0627 \u0628\u0627 \u062f\u0648 \u062a\u0633\u062a \u0645\u0642\u0627\u06cc\u0633\u0647 \u06a9\u0646\u06cc\u0645.  \u0627\u0648\u0644\u06cc\u0646 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0645\u0627 \u0631\u0648\u0634 \u062a\u062e\u0635\u06cc\u0635 \u062d\u0627\u0641\u0638\u0647 \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u062e\u0648\u0627\u0647\u062f \u06a9\u0631\u062f.  \u062a\u0633\u062a \u062f\u0648\u0645 \u0645\u0627 \u0628\u0647 \u0632\u0645\u0627\u0646 \u0627\u062c\u0631\u0627 \u0622\u0646\u0647\u0627 \u0645\u06cc \u067e\u0631\u062f\u0627\u0632\u062f.<\/p>\n<p>\u0627\u06cc\u0646 \u0628\u0646\u0686\u0645\u0627\u0631\u06a9 \u0628\u0631\u0627\u06cc \u062d\u0627\u0641\u0638\u0647 \u0648 \u0632\u0645\u0627\u0646 \u0627\u062c\u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u0634\u062f\u0647 \u0627\u0633\u062a \u0631\u0648\u06cc \u067e\u0627\u06cc\u062a\u0648\u0646 3.8.5 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u0627\u0698\u0648\u0644 \u0647\u0627 <code>tracemalloc<\/code> \u0628\u0631\u0627\u06cc \u0631\u062f\u06cc\u0627\u0628\u06cc \u062a\u062e\u0635\u06cc\u0635 \u062d\u0627\u0641\u0638\u0647 \u0648 <code>timeit<\/code> \u0628\u0631\u0627\u06cc \u0627\u0631\u0632\u06cc\u0627\u0628\u06cc \u0632\u0645\u0627\u0646 \u0627\u062c\u0631\u0627<\/p>\n<p>\u0646\u062a\u0627\u06cc\u062c \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0645\u062a\u0641\u0627\u0648\u062a \u0628\u0627\u0634\u062f \u0631\u0648\u06cc \u06a9\u0627\u0645\u067e\u06cc\u0648\u062a\u0631 \u0634\u062e\u0635\u06cc \u0634\u0645\u0627:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">import<\/span> tracemalloc\n<span class=\"hljs-keyword\">import<\/span> timeit\n\n\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">Benchmark<\/span>:<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__enter__<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        self.allocated_memory = <span class=\"hljs-literal\">None<\/span>\n        tracemalloc.start()\n        <span class=\"hljs-keyword\">return<\/span> self\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__exit__<\/span>(<span class=\"hljs-params\">self, exec_type, exec_value, exec_traceback<\/span>):<\/span>\n        present, _ = tracemalloc.get_traced_memory()\n        tracemalloc.stop()\n        self.allocated_memory = present\n\n\n\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">CharacterWithoutSlots<\/span>():<\/span>\n    organization = <span class=\"hljs-string\">\"Slate Rock and Gravel Company\"<\/span>\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__init__<\/span>(<span class=\"hljs-params\">self, name, location<\/span>):<\/span>\n        self.name = name\n        self.location = location\n\n\n\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">CharacterWithSlots<\/span>():<\/span>\n    __slots__ = (<span class=\"hljs-string\">\"name\"<\/span>, <span class=\"hljs-string\">\"location\"<\/span>)\n    organization = <span class=\"hljs-string\">\"Slate Rock and Gravel Company\"<\/span>\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__init__<\/span>(<span class=\"hljs-params\">self, name, location<\/span>):<\/span>\n        self.name = name\n        self.location = location\n\n\n\n\n\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">calculate_memory<\/span>(<span class=\"hljs-params\">class_, number_of_times<\/span>):<\/span>\n    <span class=\"hljs-keyword\">with<\/span> Benchmark() <span class=\"hljs-keyword\">as<\/span> b:\n        _ = (class_(<span class=\"hljs-string\">\"Barney\"<\/span>, <span class=\"hljs-string\">\"Bedrock\"<\/span>) <span class=\"hljs-keyword\">for<\/span> x <span class=\"hljs-keyword\">in<\/span> <span class=\"hljs-built_in\">range<\/span>(number_of_times))\n    <span class=\"hljs-keyword\">return<\/span> b.allocated_memory \/ (<span class=\"hljs-number\">1024<\/span> * <span class=\"hljs-number\">1024<\/span>)\n\n\n\n\n\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">calculate_runtime<\/span>(<span class=\"hljs-params\">class_, number_of_times<\/span>):<\/span>\n    timer = timeit.Timer(<span class=\"hljs-string\">\"instance.name; instance.location\"<\/span>,\n                         setup=<span class=\"hljs-string\">\"instance = class_('Barney', 'Bedrock')\"<\/span>,\n                         <span class=\"hljs-built_in\">globals<\/span>={<span class=\"hljs-string\">'class_'<\/span>: class_})\n    <span class=\"hljs-keyword\">return<\/span> timer.timeit(number=number_of_times)\n\n\n<span class=\"hljs-keyword\">if<\/span> __name__ == <span class=\"hljs-string\">\"__main__\"<\/span>:\n    number_of_runs = <span class=\"hljs-number\">100000<\/span>   \n\n    without_slots_bytes = calculate_memory(\n        CharacterWithoutSlots, number_of_runs)\n    <span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-string\">f\"Without slots Memory Usage: <span class=\"hljs-subst\">{without_slots_bytes}<\/span> MiB\"<\/span>)\n\n    with_slots_bytes = calculate_memory(CharacterWithSlots, number_of_runs)\n    <span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-string\">f\"With slots Memory Usage: <span class=\"hljs-subst\">{with_slots_bytes}<\/span> MiB\"<\/span>)\n\n    without_slots_seconds = calculate_runtime(\n        CharacterWithoutSlots, number_of_runs)\n    <span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-string\">f\"Without slots Runtime: <span class=\"hljs-subst\">{without_slots_seconds}<\/span> seconds\"<\/span>)\n\n    with_slots_seconds = calculate_runtime(\n        CharacterWithSlots, number_of_runs)\n    <span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-string\">f\"With slots Runtime: <span class=\"hljs-subst\">{with_slots_seconds}<\/span> seconds\"<\/span>)\n<\/code><\/pre>\n<p>\u062f\u0631 \u0642\u0637\u0639\u0647 \u0628\u0627\u0644\u0627\u060c <code>calculate_memory()<\/code> \u062a\u0627\u0628\u0639 \u062d\u0627\u0641\u0638\u0647 \u062a\u062e\u0635\u06cc\u0635 \u06cc\u0627\u0641\u062a\u0647 \u0631\u0627 \u062a\u0639\u06cc\u06cc\u0646 \u0645\u06cc \u06a9\u0646\u062f <code>calculate_runtime()<\/code> \u062a\u0627\u0628\u0639 \u0627\u0631\u0632\u06cc\u0627\u0628\u06cc \u0632\u0645\u0627\u0646 \u0627\u062c\u0631\u0627 \u06a9\u0644\u0627\u0633 \u0628\u0627 \u0627\u0633\u0644\u0627\u062a \u062f\u0631 \u0645\u0642\u0627\u0628\u0644 \u06a9\u0644\u0627\u0633 \u0628\u062f\u0648\u0646 \u0627\u0633\u0644\u0627\u062a \u0631\u0627 \u062a\u0639\u06cc\u06cc\u0646 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u0646\u062a\u0627\u06cc\u062c \u0686\u06cc\u0632\u06cc \u062f\u0631 \u0627\u06cc\u0646 \u0631\u0627\u0633\u062a\u0627 \u0628\u0647 \u0646\u0638\u0631 \u0645\u06cc \u0631\u0633\u062f:<\/p>\n<pre><code class=\"hljs\">Without slots Memory Usage: 15.283058166503906 MiB\nWith slots Memory Usage: 5.3642578125 MiB\nWithout slots Runtime: 0.0068232000012358185 seconds\nWith slots Runtime: 0.006200600000738632 seconds\n<\/code><\/pre>\n<p>\u0628\u062f\u06cc\u0647\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 <code>__slots__<\/code> \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062f\u06cc\u06a9\u0634\u0646\u0631\u06cc \u0647\u0627 \u062f\u0631 \u0627\u0646\u062f\u0627\u0632\u0647 \u0648 \u0633\u0631\u0639\u062a \u0628\u0631\u062a\u0631\u06cc \u0645\u06cc \u062f\u0647\u062f.  \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u062a\u0641\u0627\u0648\u062a \u0633\u0631\u0639\u062a \u0628\u0647 \u0648\u06cc\u0698\u0647 \u0642\u0627\u0628\u0644 \u062a\u0648\u062c\u0647 \u0646\u06cc\u0633\u062a\u060c \u062a\u0641\u0627\u0648\u062a \u0627\u0646\u062f\u0627\u0632\u0647 \u0642\u0627\u0628\u0644 \u062a\u0648\u062c\u0647 \u0627\u0633\u062a.<\/p>\n<h2 id=\"gotchasusingslots\"><span class=\"ez-toc-section\" id=\"gotchas_%d8%a8%d8%a7_%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87_%d8%a7%d8%b2_%d8%a7%d8%b3%d9%84%d8%a7%d8%aa\"><\/span>Gotchas \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u0633\u0644\u0627\u062a<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0642\u0628\u0644 \u0627\u0632 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u0633\u0644\u0627\u062a \u0647\u0627 \u062f\u0631 \u062a\u0645\u0627\u0645 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u062e\u0648\u062f\u060c \u0686\u0646\u062f \u0646\u06a9\u062a\u0647 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u0628\u0627\u06cc\u062f \u0628\u0647 \u0622\u0646\u0647\u0627 \u062a\u0648\u062c\u0647 \u06a9\u0646\u06cc\u062f:<\/p>\n<ol>\n<li>\u0641\u0642\u0637 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647 \u062f\u0631 \u0631\u0627 \u0630\u062e\u06cc\u0631\u0647 \u06a9\u0646\u062f <code>__slots__<\/code> \u0645\u062a\u063a\u06cc\u0631 \u06a9\u0644\u0627\u0633  \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u062f\u0631 \u0642\u0637\u0639\u0647 \u0632\u06cc\u0631 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0645\u0627 \u0633\u0639\u06cc \u0645\u06cc \u06a9\u0646\u06cc\u0645 \u06cc\u06a9 \u0648\u06cc\u0698\u06af\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u0646\u0645\u0648\u0646\u0647 \u0627\u06cc \u062a\u0646\u0638\u06cc\u0645 \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0631\u062f <code>__slots__<\/code> \u0645\u062a\u063a\u06cc\u0631\u060c \u06cc\u06a9 \u0631\u0627 \u062f\u0631\u06cc\u0627\u0641\u062a \u0645\u06cc \u06a9\u0646\u06cc\u0645 <code>AttributeError<\/code>:<\/li>\n<\/ol>\n<pre><code class=\"hljs\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">character_with_slots<\/span>():<\/span>\n    __slots__ = (<span class=\"hljs-string\">\"name\"<\/span>, <span class=\"hljs-string\">\"location\"<\/span>)\n    organization = <span class=\"hljs-string\">\"Slate Rock and Gravel Company\"<\/span>\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__init__<\/span>(<span class=\"hljs-params\">self, name, location<\/span>):<\/span>\n        self.name = name\n        self.location = location\n\nwith_slots = character_with_slots(<span class=\"hljs-string\">'Fred Flinstone'<\/span>, <span class=\"hljs-string\">'Bedrock'<\/span>)\nwith_slots.pet = <span class=\"hljs-string\">\"dino\"<\/span>\n<\/code><\/pre>\n<p>\u062e\u0631\u0648\u062c\u06cc:<\/p>\n<pre><code class=\"hljs\">Traceback (most recent call last):\n  File \"&lt;stdin&gt;\", line 1, in &lt;module&gt;\nAttributeError: 'character_with_slots' object has no attribute 'pet'\n<\/code><\/pre>\n<p>\u0628\u0627 \u0627\u0633\u0644\u0627\u062a \u0647\u0627\u060c \u0634\u0645\u0627 \u0628\u0627\u06cc\u062f \u062a\u0645\u0627\u0645 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0645\u0648\u062c\u0648\u062f \u062f\u0631 \u06a9\u0644\u0627\u0633 \u0631\u0627 \u0628\u062f\u0627\u0646\u06cc\u062f \u0648 \u0622\u0646\u0647\u0627 \u0631\u0627 \u062f\u0631 \u06a9\u0644\u0627\u0633 \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0646\u06cc\u062f <code>__slots__<\/code> \u0645\u062a\u063a\u06cc\u0631.<\/p>\n<ol start=\"2\">\n<li>\u0637\u0628\u0642\u0627\u062a \u0641\u0631\u0639\u06cc \u0627\u0632 \u0627\u06cc\u0646 \u067e\u06cc\u0631\u0648\u06cc \u0646\u0645\u06cc \u06a9\u0646\u0646\u062f <code>__slots__<\/code> \u062a\u06a9\u0644\u06cc\u0641 \u062f\u0631 \u0633\u0648\u067e\u0631\u06a9\u0644\u0627\u0633  \u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u06a9\u0644\u0627\u0633 \u067e\u0627\u06cc\u0647 \u0634\u0645\u0627 \u062f\u0627\u0631\u0627\u06cc \u0627\u06cc\u0646 \u0627\u0633\u062a <code>__slots__<\/code> \u0648\u06cc\u0698\u06af\u06cc \u0627\u062e\u062a\u0635\u0627\u0635 \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0648 \u0627\u06cc\u0646 \u0628\u0647 \u06cc\u06a9 \u0632\u06cc\u0631 \u06a9\u0644\u0627\u0633 \u0628\u0647 \u0627\u0631\u062b \u0645\u06cc \u0631\u0633\u062f\u060c \u0632\u06cc\u0631 \u06a9\u0644\u0627\u0633 \u062f\u0627\u0631\u0627\u06cc a \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f <code>__dict__<\/code> \u0648\u06cc\u0698\u06af\u06cc \u0628\u0647 \u0637\u0648\u0631 \u067e\u06cc\u0634 \u0641\u0631\u0636<\/li>\n<\/ol>\n<p>\u0642\u0637\u0639\u0647 \u0632\u06cc\u0631 \u0631\u0627 \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u0634\u06cc\u0621 \u0632\u06cc\u0631\u06a9\u0644\u0627\u0633 \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u0634\u0648\u062f \u0627\u06af\u0631 \u062f\u0627\u06cc\u0631\u06a9\u062a\u0648\u0631\u06cc \u0622\u0646 \u062d\u0627\u0648\u06cc \u0627\u06cc\u0646 \u0628\u0627\u0634\u062f <code>__dict__<\/code> \u0648\u06cc\u0698\u06af\u06cc \u0648 \u062e\u0631\u0648\u062c\u06cc \u0645\u0639\u0644\u0648\u0645 \u0645\u06cc \u0634\u0648\u062f <code>True<\/code>:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">CharacterWithSlots<\/span>():<\/span>\n    __slots__ = (<span class=\"hljs-string\">\"name\"<\/span>, <span class=\"hljs-string\">\"location\"<\/span>)\n    organization = <span class=\"hljs-string\">\"Slate Rock and Gravel Company\"<\/span>\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__init__<\/span>(<span class=\"hljs-params\">self, name, location<\/span>):<\/span>\n        self.name = name\n        self.location = location\n\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">SubCharacterWithSlots<\/span>(<span class=\"hljs-params\">CharacterWithSlots<\/span>):<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__init__<\/span>(<span class=\"hljs-params\">self, name, location<\/span>):<\/span>\n        self.name = name\n        self.location = location\n\nsub_object = SubCharacterWithSlots(<span class=\"hljs-string\">\"Barney\"<\/span>, <span class=\"hljs-string\">\"Bedrock\"<\/span>)\n\n<span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-string\">'__dict__'<\/span> <span class=\"hljs-keyword\">in<\/span> <span class=\"hljs-built_in\">dir<\/span>(sub_object))\n<\/code><\/pre>\n<p>\u062e\u0631\u0648\u062c\u06cc:<\/p>\n<pre><code class=\"hljs\">True\n<\/code><\/pre>\n<p>\u0628\u0627 \u0627\u0639\u0644\u0627\u0645 \u0627\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0627\u0632 \u0627\u06cc\u0646 \u0627\u0645\u0631 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u06a9\u0631\u062f <code>__slots__<\/code> \u0645\u062a\u063a\u06cc\u0631 \u06cc\u06a9 \u0628\u0627\u0631 \u062f\u06cc\u06af\u0631 \u0628\u0631\u0627\u06cc \u0632\u06cc\u0631 \u06a9\u0644\u0627\u0633 \u0628\u0631\u0627\u06cc \u0647\u0645\u0647 \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc \u0646\u0645\u0648\u0646\u0647 \u0645\u0648\u062c\u0648\u062f \u062f\u0631 \u0632\u06cc\u0631 \u06a9\u0644\u0627\u0633.  \u0627\u06af\u0631\u0686\u0647 \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0632\u0627\u0626\u062f \u0628\u0647 \u0646\u0638\u0631 \u0645\u06cc \u0631\u0633\u062f\u060c \u0627\u0645\u0627 \u0627\u06cc\u0646 \u062a\u0644\u0627\u0634 \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0628\u0627 \u0645\u0642\u062f\u0627\u0631 \u062d\u0627\u0641\u0638\u0647 \u0630\u062e\u06cc\u0631\u0647 \u0634\u062f\u0647 \u0633\u0646\u062c\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">CharacterWithSlots<\/span>():<\/span>\n    __slots__ = (<span class=\"hljs-string\">\"name\"<\/span>, <span class=\"hljs-string\">\"location\"<\/span>)\n    organization = <span class=\"hljs-string\">\"Slate Rock and Gravel Company\"<\/span>\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__init__<\/span>(<span class=\"hljs-params\">self, name, location<\/span>):<\/span>\n        self.name = name\n        self.location = location\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">SubCharacterWithSlots<\/span>(<span class=\"hljs-params\">CharacterWithSlots<\/span>):<\/span>\n    __slots__ = (<span class=\"hljs-string\">\"name\"<\/span>, <span class=\"hljs-string\">\"location\"<\/span>, <span class=\"hljs-string\">\"age\"<\/span>)\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__init__<\/span>(<span class=\"hljs-params\">self, name, location<\/span>):<\/span>\n        self.name = name\n        self.location = location\n        self.age = <span class=\"hljs-number\">40<\/span>\n\nsub_object = SubCharacterWithSlots(<span class=\"hljs-string\">\"Barney\"<\/span>, <span class=\"hljs-string\">\"Bedrock\"<\/span>)\n\n<span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-string\">'__dict__'<\/span> <span class=\"hljs-keyword\">in<\/span> <span class=\"hljs-built_in\">dir<\/span>(sub_object))\n<\/code><\/pre>\n<p>\u062e\u0631\u0648\u062c\u06cc:<\/p>\n<pre><code class=\"hljs\">False\n<\/code><\/pre>\n<h2 id=\"conclusion\"><span class=\"ez-toc-section\" id=\"%d9%86%d8%aa%db%8c%d8%ac%d9%87\"><\/span>\u0646\u062a\u06cc\u062c\u0647<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0645\u0627 \u0627\u0635\u0648\u0644 \u0627\u0648\u0644\u06cc\u0647 \u0631\u0627 \u062f\u0631 \u0645\u0648\u0631\u062f \u0622\u0646 \u06cc\u0627\u062f \u06af\u0631\u0641\u062a\u06cc\u0645 <code>__slots__<\/code> \u0648\u06cc\u0698\u06af\u06cc\u060c \u0648 \u0627\u06cc\u0646\u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u062f\u0627\u0631\u0627\u06cc \u0627\u0633\u0644\u0627\u062a \u0628\u0627 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u062f\u0627\u0631\u0627\u06cc \u062f\u06cc\u06a9\u0634\u0646\u0631\u06cc \u0645\u062a\u0641\u0627\u0648\u062a \u0647\u0633\u062a\u0646\u062f.  \u0645\u0627 \u0647\u0645\u0686\u0646\u06cc\u0646 \u0627\u06cc\u0646 \u062f\u0648 \u06a9\u0644\u0627\u0633 \u0631\u0627 \u0628\u0627 \u0627\u0633\u0644\u0627\u062a\u200c\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0628\u0647 \u0637\u0648\u0631 \u0642\u0627\u0628\u0644\u200c\u062a\u0648\u062c\u0647\u06cc \u06a9\u0627\u0631\u0622\u0645\u062f\u062a\u0631 \u062d\u0627\u0641\u0638\u0647 \u0647\u0633\u062a\u0646\u062f\u060c \u0645\u062d\u06a9 \u0632\u062f\u06cc\u0645.  \u062f\u0631 \u0646\u0647\u0627\u06cc\u062a\u060c \u0628\u0631\u062e\u06cc \u0627\u0632 \u0627\u062e\u0637\u0627\u0631\u0647\u0627\u06cc \u0634\u0646\u0627\u062e\u062a\u0647 \u0634\u062f\u0647 \u0631\u0627 \u062f\u0631 \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u0633\u0644\u0627\u062a \u062f\u0631 \u06a9\u0644\u0627\u0633 \u0647\u0627 \u0645\u0648\u0631\u062f \u0628\u062d\u062b \u0642\u0631\u0627\u0631 \u062f\u0627\u062f\u06cc\u0645.<\/p>\n<p>\u062f\u0631 \u0635\u0648\u0631\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062f\u0631 \u0645\u06a9\u0627\u0646 \u0647\u0627\u06cc \u0645\u0646\u0627\u0633\u0628\u060c <code>__slots__<\/code> \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0639\u0645\u0644\u06a9\u0631\u062f \u0631\u0627 \u0627\u0641\u0632\u0627\u06cc\u0634 \u062f\u0627\u062f\u0647 \u0648 \u06a9\u062f \u0631\u0627 \u062f\u0631 \u06a9\u0627\u0631\u0622\u0645\u062f\u062a\u0631 \u06a9\u0631\u062f\u0646 \u062d\u0627\u0641\u0638\u0647 \u0628\u0647\u06cc\u0646\u0647 \u06a9\u0646\u062f.<\/p>\n<\/div>\n<p><script>\n                        !function(f,b,e,v,n,t,s)\n                        {if(f.fbq)return;n=f.fbq=function(){n.callMethod?\n                        n.callMethod.apply(n,arguments):n.queue.push(arguments)};\n                        if(!f._fbq)f._fbq=n;n.push=n;n.loaded=!0;n.version='2.0';\n                        n.queue=();t=b.createElement(e);t.async=!0;\n                        t.src=v;s=b.getElementsByTagName(e)(0);\n                        s.parentNode.insertBefore(t,s)}(window, document,'script',\n                        'https:\/\/connect.facebook.net\/en_US\/fbevents.js');\n  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data-payload='{&quot;align&quot;:&quot;center&quot;,&quot;id&quot;:&quot;15527&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;bottom&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;0&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;0&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;\u0627\u0645\u062a\u06cc\u0627\u0632 \u0634\u0645\u0627 \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0637\u0644\u0628&quot;,&quot;legend&quot;:&quot;0\\\/5 (0 \u0631\u0627\u06cc)&quot;,&quot;size&quot;:&quot;30&quot;,&quot;title&quot;:&quot;\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 __slots__ \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0634\u06cc \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646&quot;,&quot;width&quot;:&quot;0&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} ({count} \u0631\u0627\u06cc)&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 0px;\">\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 24px;\">\n            <span class=\"kksr-muted\">\u0627\u0645\u062a\u06cc\u0627\u0632 \u0634\u0645\u0627 \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0637\u0644\u0628<\/span>\n    <\/div>\n    <\/div>\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">\u0632\u0645\u0627\u0646 \u0644\u0627\u0632\u0645 \u0628\u0631\u0627\u06cc \u0645\u0637\u0627\u0644\u0639\u0647: <\/span> <span class=\"rt-time\"> 5<\/span> <span class=\"rt-label rt-postfix\">\u062f\u0642\u06cc\u0642\u0647<\/span><\/span>\u0645\u0639\u0631\u0641\u06cc \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646\u060c \u0647\u0631 \u0646\u0645\u0648\u0646\u0647 \u0634\u06cc \u0628\u0627 \u062a\u0648\u0627\u0628\u0639 \u0648 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u0627\u0632 \u067e\u06cc\u0634 \u0633\u0627\u062e\u062a\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a. \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u067e\u0627\u06cc\u062a\u0648\u0646 \u0627\u0632 \u06cc\u06a9 \u0641\u0631\u0647\u0646\u06af \u0644\u063a\u062a \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0646\u0645\u0648\u0646\u0647 \u06cc\u06a9 \u0634\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f. \u0627\u06cc\u0646 \u0645\u0632\u0627\u06cc\u0627\u06cc \u0628\u0633\u06cc\u0627\u0631\u06cc \u062f\u0627\u0631\u062f\u060c \u0645\u0627\u0646\u0646\u062f \u0627\u06cc\u0646\u06a9\u0647 \u0628\u0647 \u0645\u0627 \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc \u062f\u0647\u062f \u062a\u0627 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u062c\u062f\u06cc\u062f \u0631\u0627 \u062f\u0631 \u0632\u0645\u0627\u0646 \u0627\u062c\u0631\u0627 \u0627\u0636\u0627\u0641\u0647 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":15528,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1743,620],"tags":[4020,1749,1748,1747,1751,1776,1786,1814,1753,1744,1796,2750,2234,2445,1785],"class_list":["post-15527","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python","category-programming","tag-__slots__","tag-python","tag-python-hosting","tag-python-vps","tag-1751","tag-1776","tag-1786","tag-1814","tag-1753","tag-1744","tag-1796","tag-2750","tag-2234","tag-2445","tag-1785"],"acf":[],"_links":{"self":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/posts\/15527","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/comments?post=15527"}],"version-history":[{"count":0,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/posts\/15527\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/media\/15528"}],"wp:attachment":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/media?parent=15527"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/categories?post=15527"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/tags?post=15527"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}