{"id":9659,"date":"2023-12-26T12:39:14","date_gmt":"2023-12-26T09:09:14","guid":{"rendered":"https:\/\/rasanegar.com\/blog\/%d9%85%d8%af%db%8c%d8%b1%d8%a7%d9%86-%d8%b2%d9%85%db%8c%d9%86%d9%87-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%da%86%db%8c%d8%b3%d8%aa%d8%9f\/"},"modified":"2023-12-26T12:39:14","modified_gmt":"2023-12-26T09:09:14","slug":"%d9%85%d8%af%db%8c%d8%b1%d8%a7%d9%86-%d8%b2%d9%85%db%8c%d9%86%d9%87-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%da%86%db%8c%d8%b3%d8%aa%d8%9f","status":"publish","type":"post","link":"https:\/\/rasanegaar.com\/blog\/%d9%85%d8%af%db%8c%d8%b1%d8%a7%d9%86-%d8%b2%d9%85%db%8c%d9%86%d9%87-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%da%86%db%8c%d8%b3%d8%aa%d8%9f\/","title":{"rendered":"\u0645\u062f\u06cc\u0631\u0627\u0646 \u0632\u0645\u06cc\u0646\u0647 \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0686\u06cc\u0633\u062a\u061f"},"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\/%d9%85%d8%af%db%8c%d8%b1%d8%a7%d9%86-%d8%b2%d9%85%db%8c%d9%86%d9%87-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%da%86%db%8c%d8%b3%d8%aa%d8%9f\/#%d9%85%d8%af%db%8c%d8%b1_%d8%b2%d9%85%db%8c%d9%86%d9%87_%d8%af%d8%b1_%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86_%da%86%db%8c%d8%b3%d8%aa%d8%9f\" >\u0645\u062f\u06cc\u0631 \u0632\u0645\u06cc\u0646\u0647 \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0686\u06cc\u0633\u062a\u061f<\/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\/%d9%85%d8%af%db%8c%d8%b1%d8%a7%d9%86-%d8%b2%d9%85%db%8c%d9%86%d9%87-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%da%86%db%8c%d8%b3%d8%aa%d8%9f\/#%d9%86%d8%ad%d9%88%d9%87_%d8%a7%db%8c%d8%ac%d8%a7%d8%af_%db%8c%da%a9_%d9%85%d8%af%db%8c%d8%b1_%d8%b2%d9%85%db%8c%d9%86%d9%87_%d8%b3%d9%81%d8%a7%d8%b1%d8%b4%db%8c_%d8%af%d8%b1_%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\" >\u0646\u062d\u0648\u0647 \u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u0645\u062f\u06cc\u0631 \u0632\u0645\u06cc\u0646\u0647 \u0633\u0641\u0627\u0631\u0634\u06cc \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/rasanegaar.com\/blog\/%d9%85%d8%af%db%8c%d8%b1%d8%a7%d9%86-%d8%b2%d9%85%db%8c%d9%86%d9%87-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%da%86%db%8c%d8%b3%d8%aa%d8%9f\/#%d9%86%d8%ad%d9%88%d9%87_%d8%a7%db%8c%d8%ac%d8%a7%d8%af_%db%8c%da%a9_%d9%85%d8%af%db%8c%d8%b1_%d8%b2%d9%85%db%8c%d9%86%d9%87_%d9%85%d8%a8%d8%aa%d9%86%db%8c_%d8%a8%d8%b1_%da%a9%d9%84%d8%a7%d8%b3_%d8%af%d8%b1_%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\" >\u0646\u062d\u0648\u0647 \u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u0645\u062f\u06cc\u0631 \u0632\u0645\u06cc\u0646\u0647 \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u06a9\u0644\u0627\u0633 \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/rasanegaar.com\/blog\/%d9%85%d8%af%db%8c%d8%b1%d8%a7%d9%86-%d8%b2%d9%85%db%8c%d9%86%d9%87-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%da%86%db%8c%d8%b3%d8%aa%d8%9f\/#%d9%86%d8%ad%d9%88%d9%87_%d8%a7%db%8c%d8%ac%d8%a7%d8%af_%db%8c%da%a9_%d9%85%d8%af%db%8c%d8%b1_%d8%b2%d9%85%db%8c%d9%86%d9%87_%d9%85%d8%a8%d8%aa%d9%86%db%8c_%d8%a8%d8%b1_%da%98%d9%86%d8%b1%d8%a7%d8%aa%d9%88%d8%b1_%d8%af%d8%b1_%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\" >\u0646\u062d\u0648\u0647 \u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u0645\u062f\u06cc\u0631 \u0632\u0645\u06cc\u0646\u0647 \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0698\u0646\u0631\u0627\u062a\u0648\u0631 \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646<\/a><\/li><\/ul><\/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\/%d9%85%d8%af%db%8c%d8%b1%d8%a7%d9%86-%d8%b2%d9%85%db%8c%d9%86%d9%87-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%da%86%db%8c%d8%b3%d8%aa%d8%9f\/#%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\"> 9<\/span> <span class=\"rt-label rt-postfix\">\u062f\u0642\u06cc\u0642\u0647<\/span><\/span><p> <br \/>\n<\/p>\n<section class=\"post-content \" data-test-label=\"post-content\">\n<p>\u06cc\u06a9\u06cc \u0627\u0632 \u0631\u0627\u06cc\u062c \u062a\u0631\u06cc\u0646 \u06a9\u0627\u0631\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0628\u0627\u06cc\u062f \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627\u06cc \u062e\u0648\u062f \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f \u06a9\u0627\u0631 \u0628\u0627 \u0645\u0646\u0627\u0628\u0639 \u062e\u0627\u0631\u062c\u06cc \u0627\u0633\u062a.  \u0627\u06cc\u0646 \u0645\u0646\u0627\u0628\u0639 \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u0641\u0627\u06cc\u0644 \u0647\u0627\u06cc \u0645\u0648\u062c\u0648\u062f \u062f\u0631 \u062d\u0627\u0641\u0638\u0647 \u0631\u0627\u06cc\u0627\u0646\u0647 \u0634\u0645\u0627 \u06cc\u0627 \u0627\u062a\u0635\u0627\u0644 \u0628\u0627\u0632 \u0628\u0647 \u0633\u0631\u0648\u06cc\u0633 \u0634\u062e\u0635 \u062b\u0627\u0644\u062b \u062f\u0631 \u0627\u06cc\u0646\u062a\u0631\u0646\u062a \u0628\u0627\u0634\u0646\u062f.<\/p>\n<p>\u0628\u0631\u0627\u06cc \u0633\u0627\u062f\u06af\u06cc\u060c \u0628\u0631\u0646\u0627\u0645\u0647 \u0627\u06cc \u0631\u0627 \u062a\u0635\u0648\u0631 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u06cc\u06a9 \u0641\u0627\u06cc\u0644 \u0631\u0627 \u0628\u0627\u0632 \u0645\u06cc \u06a9\u0646\u062f\u060c \u0686\u06cc\u0632\u06cc \u0631\u0648\u06cc \u0622\u0646 \u0645\u06cc \u0646\u0648\u06cc\u0633\u062f \u0648 \u0633\u067e\u0633 \u0641\u0627\u06cc\u0644 \u0631\u0627 \u0645\u06cc \u0628\u0646\u062f\u062f.<\/p>\n<p>\u06cc\u06a9\u06cc \u0627\u0632 \u0631\u0627\u0647 \u0647\u0627\u06cc \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0627\u06cc\u0646 \u0628\u0631\u0646\u0627\u0645\u0647 \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0628\u0647 \u0635\u0648\u0631\u062a \u0632\u06cc\u0631 \u0627\u0633\u062a:<\/p>\n<pre><code class=\"language-python\">def main():\n    my_file = open('books.txt', 'w')\n    my_file.write('If Tomorrow Comes by Sidney Sheldon')\n    my_file.close()\n\n\nif __name__ == '__main__':\n    main()\n<\/code><\/pre>\n<p>\u0628\u0627 \u062a\u0648\u062c\u0647 \u0628\u0647 \u0627\u06cc\u0646\u06a9\u0647 \u0627\u06cc\u0646 \u0628\u0631\u0646\u0627\u0645\u0647 \u0631\u0627 \u0628\u0627 \u0645\u062c\u0648\u0632\u0647\u0627\u06cc \u0645\u0646\u0627\u0633\u0628 \u0631\u0648\u06cc \u0631\u0627\u06cc\u0627\u0646\u0647 \u062e\u0648\u062f \u0627\u062c\u0631\u0627 \u0645\u06cc \u06a9\u0646\u06cc\u062f\u060c \u0641\u0627\u06cc\u0644\u06cc \u0628\u0647 \u0646\u0627\u0645 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f <code>books.txt<\/code> \u0648 \u0628\u0646\u0648\u06cc\u0633 <code>If Tomorrow Comes by Sidney Sheldon<\/code> \u062f\u0631 \u0622\u0646<\/p>\n<p>\u0627\u06cc\u0646 <code>open()<\/code> function \u06cc\u06a9\u06cc \u0627\u0632 \u062a\u0648\u0627\u0628\u0639 \u062f\u0627\u062e\u0644\u06cc \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0627\u0633\u062a.  \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u06cc\u06a9 \u0641\u0627\u06cc\u0644 \u0631\u0627 \u0627\u0632 \u06cc\u06a9 \u0645\u0633\u06cc\u0631 \u0645\u0634\u062e\u0635 \u0628\u0627\u0632 \u06a9\u0646\u062f \u0648 \u06cc\u06a9 \u0634\u06cc \u0641\u0627\u06cc\u0644 \u0645\u0631\u0628\u0648\u0637\u0647 \u0631\u0627 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n<p>\u06cc\u06a9 \u0634\u06cc \u0641\u0627\u06cc\u0644 \u06cc\u0627 \u06cc\u06a9 \u0634\u06cc\u0621 \u0641\u0627\u06cc\u0644 \u0645\u0627\u0646\u0646\u062f\u060c \u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0627\u063a\u0644\u0628 \u0646\u0627\u0645\u06cc\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f\u060c \u06cc\u06a9 \u0631\u0648\u0634 \u0645\u0641\u06cc\u062f \u0628\u0631\u0627\u06cc \u06a9\u067e\u0633\u0648\u0644\u0647 \u06a9\u0631\u062f\u0646 \u0631\u0648\u0634 \u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f <code>read()<\/code>\u060c <code>write()<\/code>\u060c \u06cc\u0627 <code>close()<\/code>. <\/p>\n<p>\u0627\u06cc\u0646 <code>write()<\/code> \u0645\u06cc \u062a\u0648\u0627\u0646 \u0627\u0632 \u0631\u0648\u0634 \u0646\u0648\u0634\u062a\u0646\/\u0627\u0631\u0633\u0627\u0644 \u0634\u06cc \u0628\u0627\u06cc\u062a \u0645\u0627\u0646\u0646\u062f \u0628\u0647 \u06cc\u06a9 \u062c\u0631\u06cc\u0627\u0646 \u0628\u0627\u0632 \u0645\u0627\u0646\u0646\u062f \u06cc\u06a9 \u0641\u0627\u06cc\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f.<\/p>\n<p>\u0647\u0631 \u0632\u0645\u0627\u0646 \u06a9\u0647 \u06cc\u06a9 \u0645\u0646\u0628\u0639 \u062e\u0627\u0631\u062c\u06cc \u0631\u0627 \u0628\u0627\u0632 \u0645\u06cc \u06a9\u0646\u06cc\u062f\u060c \u0628\u0627\u06cc\u062f \u0622\u0646 \u0631\u0627 \u062f\u0631 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u062f\u06cc\u06af\u0631 \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u0646\u06cc\u0633\u062a\u060c \u0628\u0628\u0646\u062f\u06cc\u062f <code>close()<\/code> \u0631\u0648\u0634 \u0641\u0642\u0637 \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n<p>\u0627\u06cc\u0646 \u0628\u0631\u0646\u0627\u0645\u0647 \u06a9\u0627\u0631\u0628\u0631\u062f\u06cc \u0627\u0633\u062a \u0627\u0645\u0627 \u06cc\u06a9 \u0646\u0642\u0635 \u0628\u0632\u0631\u06af \u062f\u0627\u0631\u062f.  \u0627\u06af\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u062a\u0648\u0627\u0646\u062f \u0641\u0627\u06cc\u0644 \u0631\u0627 \u0628\u0628\u0646\u062f\u062f\u060c \u062a\u0627 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u062e\u0648\u062f \u0628\u0631\u0646\u0627\u0645\u0647 \u0628\u0633\u062a\u0647 \u0646\u0634\u0648\u062f\u060c \u0628\u0627\u0632 \u0645\u06cc \u0645\u0627\u0646\u062f.<\/p>\n<p>\u0628\u0628\u06cc\u0646\u06cc\u062f\u060c \u0647\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0627\u06cc \u06a9\u0647 \u0631\u0648\u06cc \u0631\u0627\u06cc\u0627\u0646\u0647 \u062e\u0648\u062f \u0627\u062c\u0631\u0627 \u0645\u06cc \u06a9\u0646\u06cc\u062f \u0645\u0642\u062f\u0627\u0631 \u0645\u062d\u062f\u0648\u062f\u06cc \u0627\u0632 \u062d\u0627\u0641\u0638\u0647 \u0628\u0647 \u0622\u0646 \u0627\u062e\u062a\u0635\u0627\u0635 \u062f\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.  \u0647\u0645\u0647 \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f \u06cc\u0627 \u0645\u0646\u0627\u0628\u0639 \u062e\u0627\u0631\u062c\u06cc \u06a9\u0647 \u0627\u0632 \u06cc\u06a9 \u0628\u0631\u0646\u0627\u0645\u0647 \u0628\u0627\u0632 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f \u062f\u0631 \u062d\u0627\u0641\u0638\u0647 \u0627\u062e\u062a\u0635\u0627\u0635 \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0628\u0647 \u0622\u0646 \u062a\u0648\u0633\u0637 \u0631\u0627\u06cc\u0627\u0646\u0647 \u0634\u0645\u0627 \u0628\u0627\u0642\u06cc \u0645\u06cc\u200c\u0645\u0627\u0646\u0646\u062f.<\/p>\n<p>\u0627\u06af\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0627\u06cc \u0645\u0627\u0646\u0646\u062f \u0627\u06cc\u0646 \u0628\u0647 \u0628\u0627\u0632 \u06a9\u0631\u062f\u0646 \u0641\u0627\u06cc\u0644 \u0647\u0627\u06cc \u062c\u062f\u06cc\u062f \u0628\u062f\u0648\u0646 \u0628\u0633\u062a\u0646 \u0641\u0627\u06cc\u0644 \u0647\u0627\u06cc \u0642\u0628\u0644\u06cc \u0627\u062f\u0627\u0645\u0647 \u062f\u0647\u062f\u060c \u062d\u0627\u0641\u0638\u0647 \u0627\u062e\u062a\u0635\u0627\u0635 \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0647\u0645\u0686\u0646\u0627\u0646 \u06a9\u0648\u0686\u06a9 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<p>\u062f\u0631 \u06cc\u06a9 \u0646\u0642\u0637\u0647 \u0628\u0631\u0646\u0627\u0645\u0647 \u0628\u0647 \u0646\u0627\u0686\u0627\u0631 \u062d\u0627\u0641\u0638\u0647 \u0627\u0634 \u062a\u0645\u0627\u0645 \u0645\u06cc \u0634\u0648\u062f \u0648 \u0628\u0647 \u0637\u0648\u0631 \u0646\u0627\u062e\u0648\u0634\u0627\u06cc\u0646\u062f\u06cc \u0627\u0632 \u06a9\u0627\u0631 \u0645\u06cc \u0627\u0641\u062a\u062f.  \u0627\u06cc\u0646 \u0645\u0634\u06a9\u0644 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0646\u0634\u062a \u062d\u0627\u0641\u0638\u0647 \u0646\u0627\u0645\u06cc\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<p>\u06cc\u06a9 \u0631\u0627\u0647 \u0628\u0631\u0627\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u0627\u06cc\u0646 \u0627\u062a\u0641\u0627\u0642 \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 a \u0627\u0633\u062a <code>try...except...finally<\/code> \u0628\u06cc\u0627\u0646\u06cc\u0647.<\/p>\n<pre><code class=\"language-python\">def main():\n    my_file = open('books.txt', 'w')\n\n    try:\n        my_file.write('If Tomorrow Comes by Sidney Sheldon')\n    except Exception as e:\n        print(f'writing to file failed: {e}')\n    finally:\n        my_file.close()\n\n\nif __name__ == '__main__':\n    main()\n<\/code><\/pre>\n<p>\u06a9\u062f \u062f\u0627\u062e\u0644 <code>finally<\/code> \u0628\u0644\u0648\u06a9 \u0628\u062f\u0648\u0646 \u062a\u0648\u062c\u0647 \u0628\u0647 \u0647\u0631 \u0686\u06cc\u0632\u06cc \u0627\u062c\u0631\u0627 \u062e\u0648\u0627\u0647\u062f \u0634\u062f.  \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u062d\u062a\u06cc \u0627\u06af\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u062f\u0631 \u0639\u0645\u0644 \u062f\u0631\u0633\u062a \u0634\u06a9\u0633\u062a \u0628\u062e\u0648\u0631\u062f\u060c \u0628\u0627\u0632 \u0647\u0645 \u0627\u062c\u0631\u0627 \u062e\u0648\u0627\u0647\u062f \u0634\u062f.<\/p>\n<p>\u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u0627\u06cc\u0646 \u0645\u0634\u06a9\u0644 \u0631\u0627 \u062d\u0644 \u0645\u06cc \u06a9\u0646\u062f\u060c \u0627\u0645\u0627 \u062a\u0635\u0648\u0631 \u06a9\u0646\u06cc\u062f \u0647\u0631 \u0628\u0627\u0631 \u06a9\u0647 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u0686\u06cc\u0632\u06cc \u062f\u0631 \u06cc\u06a9 \u0641\u0627\u06cc\u0644 \u0628\u0646\u0648\u06cc\u0633\u06cc\u062f\u060c \u0627\u06cc\u0646 \u062e\u0637\u0648\u0637 \u06a9\u062f \u0631\u0627 \u0628\u0646\u0648\u06cc\u0633\u06cc\u062f.<\/p>\n<p>\u062e\u06cc\u0644\u06cc \u0642\u0627\u0628\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u062c\u062f\u062f \u0646\u06cc\u0633\u062a  \u0634\u0645\u0627 \u0628\u0627\u06cc\u062f \u062e\u0648\u062f\u062a\u0627\u0646 \u0631\u0627 \u0632\u06cc\u0627\u062f \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u06cc\u062f \u0648 \u0634\u0627\u0646\u0633 \u0646\u0627\u062f\u06cc\u062f\u0647 \u06af\u0631\u0641\u062a\u0646 \u0628\u062e\u0634\u06cc \u0627\u0632 \u0622\u0646 \u0631\u0627 \u062f\u0627\u0631\u06cc\u062f <code>if...except...finally<\/code> \u0646\u0631\u062f\u0628\u0627\u0646 \u0646\u06cc\u0632 \u06cc\u06a9 \u0627\u0645\u06a9\u0627\u0646 \u0627\u0633\u062a.<\/p>\n<p>\u0627\u06cc\u0646\u062c\u0627\u0633\u062a \u06a9\u0647 \u0645\u062f\u06cc\u0631\u0627\u0646 \u0632\u0645\u06cc\u0646\u0647 \u0648\u0627\u0631\u062f \u0645\u06cc \u0634\u0648\u0646\u062f.<\/p>\n<h2 id=\"what-is-a-context-manager-in-python\"><span class=\"ez-toc-section\" id=\"%d9%85%d8%af%db%8c%d8%b1_%d8%b2%d9%85%db%8c%d9%86%d9%87_%d8%af%d8%b1_%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86_%da%86%db%8c%d8%b3%d8%aa%d8%9f\"><\/span>\u0645\u062f\u06cc\u0631 \u0632\u0645\u06cc\u0646\u0647 \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0686\u06cc\u0633\u062a\u061f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0628\u0627 \u062a\u0648\u062c\u0647 \u0628\u0647 \u0648\u0627\u0698\u0647 \u0646\u0627\u0645\u0647 \u067e\u0627\u06cc\u062a\u0648\u0646\u060c \u0645\u062f\u06cc\u0631 \u0632\u0645\u06cc\u0646\u0647:<\/p>\n<blockquote><p>\u062c\u0633\u0645\u06cc \u06a9\u0647 \u0645\u062d\u06cc\u0637\u06cc \u0631\u0627 \u06a9\u0647 \u062f\u0631 \u0627\u0644\u0641 \u0645\u0634\u0627\u0647\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f \u06a9\u0646\u062a\u0631\u0644 \u0645\u06cc \u06a9\u0646\u062f <code>with<\/code> \u0628\u06cc\u0627\u0646\u06cc\u0647 \u0628\u0627 \u062a\u0639\u0631\u06cc\u0641 <code>__enter__()<\/code> \u0648 <code>__exit__()<\/code> \u0645\u0648\u0627\u062f \u0648 \u0631\u0648\u0634 \u0647\u0627.<\/p><\/blockquote>\n<p>\u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u0631\u0627\u06cc \u0634\u0645\u0627 \u0648\u0627\u0636\u062d \u0646\u0628\u0627\u0634\u062f.  \u0627\u062c\u0627\u0632\u0647 \u062f\u0647\u06cc\u062f \u0645\u0641\u0647\u0648\u0645 \u0631\u0627 \u0628\u0627 \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u062a\u0648\u0636\u06cc\u062d \u062f\u0647\u0645.<\/p>\n<p>\u0627\u06cc\u0646 <code>with<\/code> \u062f\u0633\u062a\u0648\u0631 \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0628\u0647 \u0634\u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u0628\u0644\u0648\u06a9\u06cc \u0627\u0632 \u06a9\u062f \u0631\u0627 \u062f\u0631 \u06cc\u06a9 \u0632\u0645\u06cc\u0646\u0647 \u0632\u0645\u0627\u0646 \u0627\u062c\u0631\u0627 \u06a9\u0647 \u062a\u0648\u0633\u0637 \u06cc\u06a9 \u0634\u06cc \u0645\u062f\u06cc\u0631 \u0645\u062a\u0646 \u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647 \u0627\u0633\u062a \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>\u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u0627\u062c\u0631\u0627\u06cc \u0628\u0644\u0648\u06a9 \u06a9\u062f \u0628\u0647 \u067e\u0627\u06cc\u0627\u0646 \u0631\u0633\u06cc\u062f\u060c \u0634\u06cc\u0621 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u062a\u0646 \u0645\u0631\u0627\u0642\u0628 \u0627\u0632 \u0628\u06cc\u0646 \u0628\u0631\u062f\u0646 \u0645\u0646\u0627\u0628\u0639 \u062e\u0627\u0631\u062c\u06cc \u0627\u0633\u062a \u06a9\u0647 \u062f\u06cc\u06af\u0631 \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u0646\u06cc\u0633\u062a.<\/p>\n<p>\u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u06cc\u0646 \u0628\u0631\u0646\u0627\u0645\u0647 \u0631\u0627 \u0628\u0627\u0632\u0646\u0648\u06cc\u0633\u06cc \u06a9\u0646\u06cc\u062f <code>with<\/code> \u0628\u06cc\u0627\u0646\u06cc\u0647 \u0628\u0647 \u0634\u0631\u062d \u0632\u06cc\u0631<\/p>\n<pre><code class=\"language-python\">def main():\n    with open('books.txt', 'w') as my_file:\n        my_file.write('If Tomorrow Comes by Sidney Sheldon')\n\n\nif __name__ == '__main__':\n    main()\n<\/code><\/pre>\n<p>\u0627\u0632 \u0622\u0646\u062c\u0627 \u06a9\u0647 <code>open()<\/code> \u062a\u0627\u0628\u0639 \u0628\u0627 a \u062c\u0641\u062a \u0645\u06cc \u0634\u0648\u062f <code>with<\/code> \u062f\u0631 \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644\u060c \u062a\u0627\u0628\u0639 \u06cc\u06a9 \u0645\u062f\u06cc\u0631 \u0632\u0645\u06cc\u0646\u0647 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u0634\u06cc \u0641\u0627\u06cc\u0644 \u062f\u0631 \u0628\u0627\u0641\u062a \u0628\u0644\u0648\u06a9 \u06a9\u062f \u0641\u0631\u0648\u0631\u0641\u062a\u0647 \u0642\u0627\u0628\u0644 \u062f\u0633\u062a\u0631\u0633\u06cc \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f\u060c \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u06cc \u06a9\u0647 \u0634\u06cc \u0641\u0627\u06cc\u0644 \u062e\u0627\u0631\u062c \u0627\u0632 \u0622\u0646 \u0645\u062d\u062f\u0648\u062f\u0647 \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0631\u062f.<\/p>\n<p>\u0627\u06cc\u0646 <code>as<\/code> \u06a9\u0644\u0645\u0647 \u06a9\u0644\u06cc\u062f\u06cc \u0632\u0645\u0627\u0646\u06cc \u0645\u0641\u06cc\u062f \u0627\u0633\u062a \u06a9\u0647 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u06cc\u06a9 \u0645\u062a\u063a\u06cc\u0631 \u0647\u062f\u0641 \u0631\u0627 \u0628\u0647 \u06cc\u06a9 \u0634\u06cc \u0628\u0631\u06af\u0634\u062a\u06cc \u0627\u062e\u062a\u0635\u0627\u0635 \u062f\u0647\u06cc\u062f.  \u0627\u06cc\u0646\u062c\u0627 <code>my_file<\/code> \u0645\u062a\u063a\u06cc\u0631 \u0647\u062f\u0641 \u0627\u0633\u062a \u0648 \u0634\u06cc \u0641\u0627\u06cc\u0644 \u0631\u0627 \u0646\u06af\u0647 \u0645\u06cc \u062f\u0627\u0631\u062f.<\/p>\n<p>\u0634\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0647\u0631 \u06a9\u0627\u0631\u06cc \u0631\u0627 \u06a9\u0647 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u062f\u0631 \u0628\u0644\u0648\u06a9 \u062a\u0648\u0631\u0641\u062a\u06af\u06cc \u06a9\u062f \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f \u0648 \u0646\u06af\u0631\u0627\u0646 \u0628\u0633\u062a\u0646 \u0641\u0627\u06cc\u0644 \u0646\u0628\u0627\u0634\u06cc\u062f.<\/p>\n<p>\u0632\u06cc\u0631\u0627 \u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u0627\u062c\u0631\u0627\u06cc \u0628\u0644\u0648\u06a9 \u06a9\u062f \u0628\u0647 \u067e\u0627\u06cc\u0627\u0646 \u0631\u0633\u06cc\u062f\u060c \u0645\u062f\u06cc\u0631 \u0632\u0645\u06cc\u0646\u0647 \u0641\u0627\u06cc\u0644 \u0631\u0627 \u0628\u0647 \u0637\u0648\u0631 \u062e\u0648\u062f\u06a9\u0627\u0631 \u0645\u06cc \u0628\u0646\u062f\u062f.<\/p>\n<p>\u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u0634\u0645\u0627 \u06a9\u0644 \u0631\u0627 \u0628\u0627\u0632\u0646\u0648\u06cc\u0633\u06cc \u06a9\u0631\u062f\u0647 \u0627\u06cc\u062f <code>try...except...finally<\/code> \u0646\u0631\u062f\u0628\u0627\u0646 \u062f\u0631 \u062f\u0648 \u062e\u0637 \u06a9\u062f \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 <code>with<\/code> \u0628\u06cc\u0627\u0646\u06cc\u0647 \u0648 \u0645\u062f\u06cc\u0631 \u0632\u0645\u06cc\u0646\u0647<\/p>\n<p>\u0627\u0645\u0627 \u0686\u06af\u0648\u0646\u0647 \u0627\u06cc\u0646 \u0627\u062a\u0641\u0627\u0642 \u0645\u06cc \u0627\u0641\u062a\u062f\u061f  \u0686\u06af\u0648\u0646\u0647 \u06cc\u06a9 \u0634\u06cc \u0645\u062f\u06cc\u0631 \u0632\u0645\u06cc\u0646\u0647 \u0648\u0638\u06cc\u0641\u0647 \u062a\u0646\u0638\u06cc\u0645 \u0648 \u0628\u0633\u062a\u0646 \u0645\u0646\u0627\u0628\u0639 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f\u061f<\/p>\n<p>\u0648 \u0622\u0646 \u0647\u0627 \u06a9\u062c\u0627 \u0647\u0633\u062a\u0646\u062f <code>__enter__()<\/code> \u0648 <code>__exit__()<\/code> \u0631\u0648\u0634 \u0647\u0627\u06cc\u06cc \u06a9\u0647 \u062f\u0631 \u0648\u0627\u0698\u0647 \u0646\u0627\u0645\u0647 \u0627\u0633\u0646\u0627\u062f \u067e\u0627\u06cc\u062a\u0648\u0646 \u062e\u0648\u0627\u0646\u062f\u0647 \u0627\u06cc\u062f\u061f<\/p>\n<p>\u062e\u0628 \u062e\u06cc\u0644\u06cc \u062e\u0648\u0634\u062d\u0627\u0644\u0645 \u06a9\u0647 \u067e\u0631\u0633\u06cc\u062f\u06cc \ud83d\ude42<\/p>\n<h2 id=\"how-to-create-a-custom-context-manager-in-python\"><span class=\"ez-toc-section\" id=\"%d9%86%d8%ad%d9%88%d9%87_%d8%a7%db%8c%d8%ac%d8%a7%d8%af_%db%8c%da%a9_%d9%85%d8%af%db%8c%d8%b1_%d8%b2%d9%85%db%8c%d9%86%d9%87_%d8%b3%d9%81%d8%a7%d8%b1%d8%b4%db%8c_%d8%af%d8%b1_%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\"><\/span>\u0646\u062d\u0648\u0647 \u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u0645\u062f\u06cc\u0631 \u0632\u0645\u06cc\u0646\u0647 \u0633\u0641\u0627\u0631\u0634\u06cc \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0641\u06cc\u0632\u06cc\u06a9\u062f\u0627\u0646 \u0646\u0638\u0631\u06cc \u0622\u0645\u0631\u06cc\u06a9\u0627\u06cc\u06cc\u060c \u0631\u06cc\u0686\u0627\u0631\u062f \u0641\u0627\u06cc\u0646\u0645\u0646\u060c \u0628\u0647 \u0642\u0648\u0644 \u0645\u0639\u0631\u0648\u0641:<\/p>\n<blockquote><p>\u0622\u0646\u0686\u0647 \u0631\u0627 \u06a9\u0647 \u0646\u0645\u06cc \u062a\u0648\u0627\u0646\u0645 \u062e\u0644\u0642 \u06a9\u0646\u0645\u060c \u0646\u0645\u06cc \u0641\u0647\u0645\u0645.<\/p><\/blockquote>\n<p>\u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u0628\u0631\u0627\u06cc \u062f\u0631\u06a9 \u0639\u0645\u0644\u06a9\u0631\u062f\u0647\u0627\u06cc \u06cc\u06a9 \u0645\u062f\u06cc\u0631 \u0632\u0645\u06cc\u0646\u0647\u060c \u0628\u0627\u06cc\u062f \u062e\u0648\u062f\u062a\u0627\u0646 \u06cc\u06a9\u06cc \u0631\u0627 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f \u0648 \u062f\u0648 \u0631\u0648\u0634 \u0645\u062c\u0632\u0627 \u0628\u0631\u0627\u06cc \u0627\u0646\u062c\u0627\u0645 \u0622\u0646 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f.<\/p>\n<p>\u0627\u0648\u0644\u06cc \u06cc\u06a9 \u0631\u0648\u06cc\u06a9\u0631\u062f \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0645\u0648\u0644\u062f \u0648 \u062f\u0648\u0645\u06cc \u06cc\u06a9 \u0631\u0648\u06cc\u06a9\u0631\u062f \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u06a9\u0644\u0627\u0633 \u0627\u0633\u062a.  \u062f\u0631 \u0627\u06cc\u0646 \u0628\u062e\u0634 \u0647\u0631 \u062f\u0648 \u0631\u0627 \u0628\u0647 \u0634\u0645\u0627 \u0622\u0645\u0648\u0632\u0634 \u062e\u0648\u0627\u0647\u0645 \u062f\u0627\u062f.<\/p>\n<p>\u0627\u0645\u0627 \u0642\u0628\u0644 \u0627\u0632 \u0622\u0646\u060c \u0627\u062c\u0627\u0632\u0647 \u062f\u0647\u06cc\u062f \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0631\u0627 \u0628\u0631\u0627\u06cc\u062a\u0627\u0646 \u0628\u06cc\u0627\u0648\u0631\u0645 \u06a9\u0647 \u0628\u06cc\u0634 \u0627\u0632 \u0628\u0627\u0632 \u06a9\u0631\u062f\u0646 \u0648 \u0628\u0633\u062a\u0646 \u0641\u0627\u06cc\u0644\u200c\u0647\u0627 \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0627\u0633\u062a.<\/p>\n<p>\u0628\u0631\u0646\u0627\u0645\u0647 \u067e\u0627\u06cc\u062a\u0648\u0646 \u062f\u06cc\u06af\u0631\u06cc \u0631\u0627 \u062a\u0635\u0648\u0631 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0628\u0627\u06cc\u062f \u0628\u0627 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 SQLite \u0628\u0631\u0627\u06cc \u062e\u0648\u0627\u0646\u062f\u0646 \u0648 \u0646\u0648\u0634\u062a\u0646 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0627\u0631\u062a\u0628\u0627\u0637 \u0628\u0631\u0642\u0631\u0627\u0631 \u06a9\u0646\u062f.<\/p>\n<p>\u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0622\u0646 \u0628\u0631\u0646\u0627\u0645\u0647 \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u0632\u06cc\u0631 \u0628\u0646\u0648\u06cc\u0633\u06cc\u062f:<\/p>\n<pre><code class=\"language-python\">import sqlite3\n\ncreate_table_sql_statement=\"CREATE TABLE IF NOT EXISTS books(title TEXT, author TEXT)\"\ninsert_into_table_sql_statement = \"INSERT INTO books VALUES ('If Tomorrow Comes', 'Sidney Sheldon'), ('The Lincoln Lawyer', 'Michael Connelly')\"\nselect_from_table_sql_statement=\"SELECT * FROM books\"\n\n\ndef main():\n    database_path=\":memory:\"\n\n    connection = sqlite3.connect(database_path)\n    cursor = connection.cursor()\n\n    try:\n        cursor.execute(create_table_sql_statement)\n        connection.commit()\n\n        cursor.execute(insert_into_table_sql_statement)\n        connection.commit()\n\n        cursor.execute(select_from_table_sql_statement)\n\n        print(cursor.fetchall())\n    except Exception as e:\n        print(f'read or write action to the database failed: {e}')\n    finally:\n        connection.close()\n\n\nif __name__ == '__main__':\n    main()\n\n# [('If Tomorrow Comes', 'Sidney Sheldon'), ('The Lincoln Lawyer', 'Michael Connelly')]\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 \u0628\u0631\u0646\u0627\u0645\u0647 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0628\u0627 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 SQLite \u0627\u0631\u062a\u0628\u0627\u0637 \u0628\u0631\u0642\u0631\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f.  \u0633\u067e\u0633 \u06cc\u06a9 \u062c\u062f\u0648\u0644 \u062c\u062f\u06cc\u062f \u0628\u0647 \u0646\u0627\u0645 \u06a9\u062a\u0627\u0628 \u0628\u0627 \u062f\u0648 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f <code>TEXT<\/code> \u0633\u062a\u0648\u0646 \u0647\u0627\u06cc \u0646\u0627\u0645\u06af\u0630\u0627\u0631\u06cc \u0634\u062f\u0647 <code>title<\/code> \u0648 <code>author<\/code>.<\/p>\n<p>\u0633\u067e\u0633 \u0627\u06cc\u0646 \u0628\u0631\u0646\u0627\u0645\u0647 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0645\u0631\u0628\u0648\u0637 \u0628\u0647 \u0633\u0647 \u06a9\u062a\u0627\u0628 \u0631\u0627 \u0631\u0648\u06cc \u0645\u06cc\u0632 \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc \u06a9\u0646\u062f\u060c \u0622\u0646\u0647\u0627 \u0631\u0627 \u0627\u0632 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u0645\u06cc \u06a9\u0646\u062f \u0648 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u0634\u062f\u0647 \u0631\u0627 \u0631\u0648\u06cc \u06a9\u0646\u0633\u0648\u0644 \u0686\u0627\u067e \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0627\u0632 \u062e\u0631\u0648\u062c\u06cc \u0627\u0632 <code>print()<\/code> \u0628\u06cc\u0627\u0646\u06cc\u0647\u060c \u0628\u0631\u0646\u0627\u0645\u0647 \u0628\u0627 \u0645\u0648\u0641\u0642\u06cc\u062a \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0631\u0627 \u0627\u0632 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0630\u062e\u06cc\u0631\u0647 \u0648 \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u06a9\u0631\u062f\u0647 \u0627\u0633\u062a.<\/p>\n<p>\u0633\u0647 \u067e\u0631\u0633 \u0648 \u062c\u0648\u06cc SQL \u062f\u0631 \u0627\u06cc\u0646 \u0628\u0631\u0646\u0627\u0645\u0647 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u0645\u0633\u0626\u0648\u0644 \u0627\u0642\u062f\u0627\u0645\u0627\u062a \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0627\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0645\u0646 \u062a\u0648\u0636\u06cc\u062d \u062f\u0627\u062f\u0645.<\/p>\n<pre><code class=\"language-python\">create_table_sql_statement=\"CREATE TABLE IF NOT EXISTS books(title TEXT, author TEXT)\"\ninsert_into_table_sql_statement = \"INSERT INTO books VALUES ('If Tomorrow Comes', 'Sidney Sheldon'), ('The Lincoln Lawyer', 'Michael Connelly')\"\nselect_from_table_sql_statement=\"SELECT * FROM books\"<\/code><\/pre>\n<p>\u0645\u0646 \u0627\u06cc\u0646 \u0633\u0647 \u062e\u0637 \u06a9\u062f \u0631\u0627 \u062f\u0631 \u0628\u0627\u0644\u0627\u06cc \u0641\u0627\u06cc\u0644 \u0628\u0631\u0627\u06cc \u062d\u0641\u0638 \u0622\u0646 \u0646\u06af\u0647 \u062f\u0627\u0634\u062a\u0647 \u0627\u0645 <code>main()<\/code> \u0639\u0645\u0644\u06a9\u0631\u062f \u0628\u0647 \u067e\u0627\u06a9 \u06a9\u0646\u0646\u062f\u0647  \u0628\u0642\u06cc\u0647 \u0628\u0631\u0646\u0627\u0645\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0631\u0627 \u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc \u06a9\u0631\u062f\u0647 \u0648 \u06a9\u0648\u0626\u0631\u06cc \u0647\u0627 \u0631\u0627 \u0627\u062c\u0631\u0627 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u067e\u0627\u06cc\u062a\u0648\u0646 \u0628\u0627 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0639\u0627\u0644\u06cc \u0627\u0632 \u067e\u0627\u06cc\u06af\u0627\u0647\u200c\u0647\u0627\u06cc \u062f\u0627\u062f\u0647 SQLite\u060c \u0628\u0647 \u0644\u0637\u0641 \u0627\u06cc\u0646\u060c \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f <code>sqlite3<\/code> \u0645\u0627\u0698\u0648\u0644 \u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0631\u0648\u0634 \u0647\u0627\u06cc \u0645\u0641\u06cc\u062f\u06cc \u0645\u0627\u0646\u0646\u062f <code>sqlite3.connect()<\/code> \u0631\u0648\u0634.<\/p>\n<p>\u0627\u06cc\u0646 \u0645\u062a\u062f \u0645\u0633\u06cc\u0631 \u06cc\u06a9 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u0631\u0634\u062a\u0647 \u0627\u06cc \u0645\u06cc \u06af\u06cc\u0631\u062f\u060c \u0633\u0639\u06cc \u0645\u06cc \u06a9\u0646\u062f \u0627\u0631\u062a\u0628\u0627\u0637 \u0628\u0631\u0642\u0631\u0627\u0631 \u06a9\u0646\u062f \u0648 \u062f\u0631 \u0635\u0648\u0631\u062a \u0645\u0648\u0641\u0642\u06cc\u062a\u060c \u06cc\u06a9 \u0639\u062f\u062f \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f. <code>Connection<\/code> \u0647\u062f\u0641 &#8211; \u0634\u06cc.<\/p>\n<p>\u0627\u06af\u0631 \u0628\u06af\u0630\u0631\u06cc\u062f <code>:memory:<\/code> \u0628\u0647 \u062c\u0627\u06cc \u0645\u0633\u06cc\u0631 \u0641\u0627\u06cc\u0644\u060c \u0628\u0631\u0646\u0627\u0645\u0647 \u06cc\u06a9 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0645\u0648\u0642\u062a \u0631\u0648\u06cc \u062d\u0627\u0641\u0638\u0647 \u06a9\u0627\u0645\u067e\u06cc\u0648\u062a\u0631 \u0634\u0645\u0627 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u0627\u062a\u0635\u0627\u0644 \u0628\u0631\u0642\u0631\u0627\u0631 \u06a9\u0631\u062f\u06cc\u062f\u060c \u0628\u0647 \u06cc\u06a9 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f <code>Cursor<\/code> \u0647\u062f\u0641 &#8211; \u0634\u06cc.  \u0634\u06cc \u0645\u06a9\u0627\u0646 \u0646\u0645\u0627 \u0644\u0627\u06cc\u0647 \u0627\u06cc \u0627\u0632 \u0627\u0646\u062a\u0632\u0627\u0639 \u0627\u0633\u062a \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0627\u062c\u0631\u0627\u06cc \u067e\u0631\u0633 \u0648 \u062c\u0648\u0647\u0627\u06cc SQL \u0644\u0627\u0632\u0645 \u0627\u0633\u062a.<\/p>\n<p>\u0627\u06cc\u0646 <code>cursor()<\/code> \u0631\u0648\u0634 \u06a9\u067e\u0633\u0648\u0644\u0647 \u0634\u062f\u0647 \u062f\u0631 \u062f\u0627\u062e\u0644 <code>Connection<\/code> \u0634\u06cc \u06cc\u06a9 \u0645\u06a9\u0627\u0646 \u0646\u0645\u0627 \u062c\u062f\u06cc\u062f \u0631\u0627 \u0628\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0645\u062a\u0635\u0644 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n<p>\u062f\u0627\u062e\u0644 a <code>try<\/code> \u0628\u0644\u0627\u06a9 \u06a9\u0646\u06cc\u062f\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0633\u0639\u06cc \u06a9\u0646\u06cc\u062f \u0647\u0631 \u067e\u0631\u0633 \u0648 \u062c\u0648\u06cc \u0631\u0627 \u06a9\u0647 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u062f <code>execute()<\/code> \u06cc\u0627 <code>executemany()<\/code> \u0645\u0648\u0627\u062f \u0648 \u0631\u0648\u0634 \u0647\u0627.<\/p>\n<pre><code class=\"language-python\">    try:\n        cursor.execute(create_table_sql_statement)\n        connection.commit()\n\n        cursor.execute(insert_into_table_sql_statement)\n        connection.commit()\n\n        cursor.execute(select_from_table_sql_statement)\n\n        print(cursor.fetchall())<\/code><\/pre>\n<p>\u0628\u0627\u06cc\u062f \u0628\u0627 <code>connection.commit()<\/code> \u0631\u0648\u0634 \u0647\u0631 \u0628\u0627\u0631 \u06a9\u0647 \u0686\u06cc\u0632\u06cc \u062f\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0645\u06cc \u0646\u0648\u06cc\u0633\u06cc\u062f.  \u062f\u0631 \u063a\u06cc\u0631 \u0627\u06cc\u0646 \u0635\u0648\u0631\u062a \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0627\u0632 \u0628\u06cc\u0646 \u062e\u0648\u0627\u0647\u0646\u062f \u0631\u0641\u062a.<\/p>\n<p>\u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0628\u0627\u0632\u06af\u0631\u062f\u0627\u0646\u062f\u0647 \u0634\u062f\u0647 \u0627\u0632 \u06cc\u06a9 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u062f\u0631 \u062f\u0627\u062e\u0644 \u0628\u0627\u0642\u06cc \u0645\u06cc \u0645\u0627\u0646\u062f <code>cursor<\/code> \u0634\u06cc \u0648 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 <code>cursor.fetchone()<\/code> \u06cc\u0627 <code>cursor.fetchall()<\/code> \u0645\u0648\u0627\u062f \u0648 \u0631\u0648\u0634 \u0647\u0627.<\/p>\n<p>\u062f\u0631 \u0635\u0648\u0631\u062a \u0634\u06a9\u0633\u062a\u060c <code>except<\/code> \u0628\u0644\u0648\u06a9 \u0641\u0639\u0627\u0644 \u062e\u0648\u0627\u0647\u062f \u0634\u062f.  \u0627\u06cc\u0646 <code>finally<\/code> \u0628\u0644\u0648\u06a9 \u0628\u062f\u0648\u0646 \u0642\u06cc\u062f \u0648 \u0634\u0631\u0637 \u0627\u062c\u0631\u0627 \u0645\u06cc \u0634\u0648\u062f \u0648 \u062f\u0631 \u067e\u0627\u06cc\u0627\u0646 \u0627\u062a\u0635\u0627\u0644 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0631\u0627 \u0645\u06cc \u0628\u0646\u062f\u062f.<\/p>\n<p>\u0627\u06cc\u0646 \u062e\u0648\u0628 \u0648 \u06a9\u0627\u0631\u0628\u0631\u062f\u06cc \u0627\u0633\u062a\u060c \u0627\u0645\u0627 \u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0642\u0628\u0644\u0627\u064b \u06af\u0641\u062a\u0645\u060c \u062e\u06cc\u0644\u06cc \u0642\u0627\u0628\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u062c\u062f\u062f \u0646\u06cc\u0633\u062a \u0648 \u0645\u0633\u062a\u0639\u062f \u062e\u0637\u0627 \u0627\u0633\u062a.<\/p>\n<p>\u0645\u062a\u0623\u0633\u0641\u0627\u0646\u0647\u060c \u06cc\u0627 \u062f\u0631 \u0645\u0648\u0631\u062f \u0645\u0627 \u062e\u0648\u0634\u0628\u062e\u062a\u0627\u0646\u0647 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0628\u0627 \u06cc\u06a9 \u0645\u062f\u06cc\u0631 \u0632\u0645\u06cc\u0646\u0647 \u062f\u0627\u062e\u0644\u06cc \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0627\u0631\u062a\u0628\u0627\u0637\u0627\u062a \u0628\u0627 \u067e\u0627\u06cc\u06af\u0627\u0647\u200c\u0647\u0627\u06cc \u062f\u0627\u062f\u0647 SQLite \u0627\u0631\u0627\u0626\u0647 \u0646\u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n<p>\u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u062a\u0644\u0627\u0634 \u06a9\u0646\u06cc\u0645 \u0648 \u0628\u0628\u06cc\u0646\u06cc\u0645 \u06a9\u0647 \u0622\u06cc\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u06cc\u06a9\u06cc \u0627\u0632 \u0622\u0646\u0647\u0627 \u0631\u0627 \u062e\u0648\u062f\u0645\u0627\u0646 \u062a\u0648\u0644\u06cc\u062f \u06a9\u0646\u06cc\u0645.<\/p>\n<h3 id=\"how-to-create-a-class-based-context-manager-in-python\"><span class=\"ez-toc-section\" id=\"%d9%86%d8%ad%d9%88%d9%87_%d8%a7%db%8c%d8%ac%d8%a7%d8%af_%db%8c%da%a9_%d9%85%d8%af%db%8c%d8%b1_%d8%b2%d9%85%db%8c%d9%86%d9%87_%d9%85%d8%a8%d8%aa%d9%86%db%8c_%d8%a8%d8%b1_%da%a9%d9%84%d8%a7%d8%b3_%d8%af%d8%b1_%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\"><\/span>\u0646\u062d\u0648\u0647 \u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u0645\u062f\u06cc\u0631 \u0632\u0645\u06cc\u0646\u0647 \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u06a9\u0644\u0627\u0633 \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0628\u0631\u0627\u06cc \u0646\u0648\u0634\u062a\u0646 \u06cc\u06a9 \u0645\u062f\u06cc\u0631 \u0632\u0645\u06cc\u0646\u0647 \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u06a9\u0644\u0627\u0633 \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646\u060c \u0628\u0627\u06cc\u062f \u06cc\u06a9 \u06a9\u0644\u0627\u0633 \u062e\u0627\u0644\u06cc \u0628\u0627 \u0633\u0647 \u0631\u0648\u0634 \u062e\u0627\u0635 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f:<\/p>\n<pre><code class=\"language-python\">class Database:\n    def __init__(self):\n        pass\n\n    def __enter__(self):\n        pass\n\n    def __exit__(self, exc_type, exc_val, exc_tb):\n        pass<\/code><\/pre>\n<p>\u0648\u0627\u0636\u062d \u0627\u0633\u062a \u06a9\u0647 \u0627\u0648\u0644\u06cc\u0646 \u0645\u0648\u0631\u062f \u0633\u0627\u0632\u0646\u062f\u0647 \u06a9\u0644\u0627\u0633 \u0627\u0633\u062a \u06a9\u0647 \u0647\u0646\u0648\u0632 \u0647\u06cc\u0686 \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u06cc \u0631\u0627 \u0642\u0628\u0648\u0644 \u0646\u06a9\u0631\u062f\u0647 \u0627\u0633\u062a.  \u0645\u0633\u0626\u0648\u0644\u06cc\u062a \u067e\u0630\u06cc\u0631\u0634 \u0645\u0633\u06cc\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0631\u0627 \u0628\u0631 \u0639\u0647\u062f\u0647 \u062e\u0648\u0627\u0647\u062f \u062f\u0627\u0634\u062a:<\/p>\n<pre><code class=\"language-python\">import sqlite3\n\nclass Database:\n    def __init__(self, path: str):\n        self.path = path\n\n    def __enter__(self):\n        pass\n\n    def __exit__(self, exc_type, exc_val, exc_tb):\n        pass<\/code><\/pre>\n<p>\u0627\u06cc\u0646 <code>__enter__()<\/code> \u0645\u062a\u062f \u0648\u0638\u06cc\u0641\u0647 \u062a\u0646\u0638\u06cc\u0645 \u0645\u0646\u0628\u0639 \u0631\u0627 \u0628\u0631 \u0639\u0647\u062f\u0647 \u062f\u0627\u0631\u062f.  \u0627\u06cc\u0646 \u062c\u0627\u06cc\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0627\u062a\u0635\u0627\u0644 \u0631\u0627 \u0628\u0631\u0642\u0631\u0627\u0631 \u0645\u06cc \u06a9\u0646\u06cc\u062f \u0648 \u0645\u06a9\u0627\u0646 \u0646\u0645\u0627 \u0631\u0627 \u0646\u0645\u0648\u0646\u0647 \u0628\u0631\u062f\u0627\u0631\u06cc \u0645\u06cc \u06a9\u0646\u06cc\u062f:<\/p>\n<pre><code class=\"language-python\">import sqlite3\n\nclass Database:\n    def __init__(self, path: str):\n        self.path = path\n\n    def __enter__(self):\n        self.connection = sqlite3.connect(self.path)\n        self.cursor = self.connection.cursor()\n        return self\n\n    def __exit__(self, exc_type, exc_val, exc_tb):\n        pass<\/code><\/pre>\n<p>\u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644 \u0634\u0645\u0627 \u0646\u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u062f\u0648 \u0634\u06cc \u0631\u0627 \u0647\u0645\u0632\u0645\u0627\u0646 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u06cc\u062f\u060c \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0628\u0627\u06cc\u062f \u0646\u0645\u0648\u0646\u0647 \u062e\u0648\u062f \u06a9\u0644\u0627\u0633 \u0631\u0627 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u06cc\u062f.<\/p>\n<p>\u062f\u0631 \u0646\u0647\u0627\u06cc\u062a\u060c <code>__exit__()<\/code> \u0645\u062a\u062f \u0648\u0638\u06cc\u0641\u0647 \u0628\u0633\u062a\u0646 \u0645\u0646\u0628\u0639 \u062e\u0627\u0631\u062c\u06cc \u0645\u0648\u0631\u062f \u0646\u0638\u0631 \u0631\u0627 \u0628\u0631 \u0639\u0647\u062f\u0647 \u062f\u0627\u0631\u062f.<\/p>\n<pre><code class=\"language-python\">import sqlite3\n\nclass Database:\n    def __init__(self, path: str):\n        self.path = path\n\n    def __enter__(self):\n        self.connection = sqlite3.connect(self.path)\n        self.cursor = self.connection.cursor()\n        return self\n\n    def __exit__(self, exc_type, exc_val, exc_tb):\n    \tif exc_type is not None:\n            print(f'an error occurred: {exc_val}')\n\n        self.connection.close()<\/code><\/pre>\n<p>\u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u0627\u06cc\u0646 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0632\u0645\u06cc\u0646\u0647 \u062f\u0631 \u0627\u0631\u062a\u0628\u0627\u0637 \u0628\u0627 <code>with<\/code> \u0639\u0628\u0627\u0631\u062a \u062f\u0631 \u06a9\u062f \u0634\u0645\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u0632\u06cc\u0631 \u0627\u0633\u062a:<\/p>\n<pre><code class=\"language-python\">import sqlite3\n\ncreate_table_sql_statement=\"CREATE TABLE IF NOT EXISTS books(title TEXT, author TEXT)\"\ninsert_into_table_sql_statement = \"INSERT INTO books VALUES ('If Tomorrow Comes', 'Sidney Sheldon'), ('The Lincoln Lawyer', 'Michael Connelly')\"\nselect_from_table_sql_statement=\"SELECT * FROM books\"\n\n\nclass Database:\n    def __init__(self, path: str):\n        self.path = path\n\n    def __enter__(self):\n        self.connection = sqlite3.connect(self.path)\n        self.cursor = self.connection.cursor()\n        return self\n\n    def __exit__(self, exc_type, exc_val, exc_tb):\n    \tif exc_type is not None:\n            print(f'an error occurred: {exc_val}')\n\n\ndef main():\n    with Database(':memory:') as db:\n        db.cursor.execute(create_table_sql_statement)\n        db.connection.commit()\n\n        db.cursor.execute(insert_into_table_sql_statement)\n        db.connection.commit()\n        \n        db.cursor.execute(select_from_table_sql_statement)\n        \n        print(db.cursor.fetchall())\n\n\nif __name__ == '__main__':\n    main()\n\n# [('If Tomorrow Comes', 'Sidney Sheldon'), ('The Lincoln Lawyer', 'Michael Connelly')]\n<\/code><\/pre>\n<p>\u0645\u0634\u0647\u0648\u062f \u0627\u0632 \u062e\u0631\u0648\u062c\u06cc <code>print()<\/code> \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u062a\u0627\u0628\u0639\u060c \u0628\u0631\u0646\u0627\u0645\u0647 \u0628\u0627 \u0645\u0648\u0641\u0642\u06cc\u062a \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0631\u0627 \u0627\u0632 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0630\u062e\u06cc\u0631\u0647 \u0648 \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u06a9\u0631\u062f\u0647 \u0627\u0633\u062a.<\/p>\n<p>\u0628\u062f\u0648\u0646 <code>with<\/code> \u0628\u06cc\u0627\u0646\u06cc\u0647\u060c <code>Database<\/code> \u0641\u0642\u0637 \u06cc\u06a9 \u06a9\u0644\u0627\u0633 \u0642\u062f\u06cc\u0645\u06cc \u0627\u0633\u062a  \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u0644\u062d\u0638\u0647 \u0627\u06cc \u06a9\u0647 \u0634\u0645\u0627 \u0642\u0631\u0627\u0631 \u062f\u0627\u062f\u0647 \u0627\u0633\u062a <code>with<\/code> \u062f\u0631 \u0645\u0642\u0627\u0628\u0644 \u0622\u0646\u060c \u0633\u0647 \u0631\u0648\u0634 \u0648\u0627\u0631\u062f \u0639\u0645\u0644 \u0645\u06cc \u0634\u0648\u0646\u062f.<\/p>\n<p>\u0627\u06cc\u0646 <code>__init__()<\/code> \u0645\u062a\u062f \u0627\u0648\u0644\u06cc\u0647 \u0633\u0627\u0632 \u0627\u0633\u062a \u0648 \u0645\u0627\u0646\u0646\u062f \u0633\u0627\u06cc\u0631 \u0631\u0648\u0634 \u0647\u0627\u06cc \u0627\u0648\u0644\u06cc\u0647 \u06a9\u0644\u0627\u0633 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0633\u0627\u062f\u0647 \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f.  \u0627\u06cc\u0646 \u0645\u0633\u06cc\u0631 \u0631\u0627 \u0628\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0645\u06cc \u06af\u06cc\u0631\u062f.<\/p>\n<p>\u0627\u06cc\u0646 <code>__enter__()<\/code> \u0645\u062a\u062f \u0627\u062a\u0635\u0627\u0644 \u0628\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0631\u0627 \u062a\u0646\u0638\u06cc\u0645 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u0646\u0645\u0648\u0646\u0647 \u06a9\u0644\u0627\u0633 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u062a\u0646 \u0631\u0627 \u0628\u0647 \u0645\u062a\u063a\u06cc\u0631 \u0647\u062f\u0641 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f. <code>db<\/code> \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0648\u0631\u062f.<\/p>\n<p>\u0627\u06cc\u0646 \u0645\u062a\u063a\u06cc\u0631 \u0647\u062f\u0641 \u0627\u06a9\u0646\u0648\u0646 \u0647\u0645 \u0627\u062a\u0635\u0627\u0644 \u0648 \u0647\u0645 \u0627\u0634\u06cc\u0627\u0621 \u0645\u06a9\u0627\u0646 \u0646\u0645\u0627 \u0631\u0627 \u0645\u062d\u0635\u0648\u0631 \u0645\u06cc \u06a9\u0646\u062f.  \u0634\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0647 \u0622\u0646\u0647\u0627 \u062f\u0633\u062a\u0631\u0633\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f <code>db.connection<\/code> \u0648 <code>db.cursor<\/code> \u0628\u0647 \u062a\u0631\u062a\u06cc\u0628.<\/p>\n<p>\u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u06a9\u062f \u062f\u0627\u062e\u0644 <code>with<\/code> \u0628\u0644\u0648\u06a9 \u062f\u0631 \u062d\u0627\u0644 \u0627\u062c\u0631\u0627 \u0628\u0647 \u067e\u0627\u06cc\u0627\u0646 \u0645\u06cc \u0631\u0633\u062f\u060c <code>__exit__()<\/code> \u0645\u062a\u062f \u0627\u062a\u0635\u0627\u0644 \u0641\u0639\u0627\u0644 \u0628\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0631\u0627 \u0627\u062c\u0631\u0627 \u0648 \u0628\u0633\u062a\u0647 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u0634\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0647\u0631 \u0627\u0633\u062a\u062b\u0646\u0627\u06cc\u06cc \u0631\u0627 \u06a9\u0647 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u062f\u0631 \u062d\u06cc\u0646 \u0627\u062c\u0631\u0627 \u062f\u0631 \u062f\u0627\u062e\u0644 \u0631\u062e \u062f\u0647\u062f \u0645\u062f\u06cc\u0631\u06cc\u062a \u06a9\u0646\u06cc\u062f <code>__exit__()<\/code> \u0631\u0648\u0634.  \u0627\u06af\u0631 \u0627\u0633\u062a\u062b\u0646\u0627\u0621 \u0648\u062c\u0648\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f\u060c <code>exc_type<\/code> \u0646\u0648\u0639 \u0627\u0633\u062a\u062b\u0646\u0627 \u0631\u0627 \u062f\u0627\u0631\u062f\u060c <code>exc_val<\/code> \u0627\u0631\u0632\u0634 \u0627\u0633\u062a\u062b\u0646\u0627 \u0631\u0627 \u062f\u0627\u0631\u062f\u060c <code>exc_tb<\/code> \u0631\u062f\u06cc\u0627\u0628\u06cc \u0631\u0627 \u0646\u06af\u0647 \u0645\u06cc \u062f\u0627\u0631\u062f.<\/p>\n<p>\u0627\u06af\u0631 \u0647\u06cc\u0686 \u0627\u0633\u062a\u062b\u0646\u0627\u06cc\u06cc \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f\u060c \u0633\u0647 \u0645\u062a\u063a\u06cc\u0631 \u062f\u0627\u0631\u0627\u06cc \u0645\u0642\u062f\u0627\u0631 \u062e\u0648\u0627\u0647\u0646\u062f \u0628\u0648\u062f <code>None<\/code>.  \u0645\u0646 \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0648\u0627\u0631\u062f \u062c\u0632\u0626\u06cc\u0627\u062a \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u0627\u0633\u062a\u062b\u0646\u0627 \u0646\u0645\u06cc \u0634\u0648\u0645 \u0632\u06cc\u0631\u0627 \u0628\u0633\u062a\u0647 \u0628\u0647 \u0622\u0646\u0686\u0647 \u0634\u0645\u0627 \u0628\u0627 \u0622\u0646 \u0633\u0631 \u0648 \u06a9\u0627\u0631 \u062f\u0627\u0631\u06cc\u062f\u060c \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0627\u0634\u06a9\u0627\u0644 \u0645\u062e\u062a\u0644\u0641\u06cc \u0628\u0647 \u062e\u0648\u062f \u0628\u06af\u06cc\u0631\u062f.<\/p>\n<p>\u0628\u0631\u0627\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u0627\u06cc\u0646 \u0645\u062f\u06cc\u0631 \u0632\u0645\u06cc\u0646\u0647 \u0633\u0641\u0627\u0631\u0634\u06cc \u0631\u0627 \u0627\u0632 \u0647\u0631 \u062c\u0627\u06cc\u06cc \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u062f\u0631 \u062f\u0633\u062a\u0631\u0633 \u0642\u0631\u0627\u0631 \u062f\u0647\u06cc\u062f\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0622\u0646 \u0631\u0627 \u062f\u0631 \u0645\u0627\u0698\u0648\u0644 \u06cc\u0627 \u062d\u062a\u06cc \u0628\u0633\u062a\u0647 \u062c\u062f\u0627\u06af\u0627\u0646\u0647 \u062e\u0648\u062f \u0642\u0631\u0627\u0631 \u062f\u0647\u06cc\u062f.<\/p>\n<p>\u0627\u06cc\u0646 \u0631\u0627\u0647 \u062d\u0644 \u0628\u0647 \u0645\u0631\u0627\u062a\u0628 \u0628\u0647\u062a\u0631 \u0627\u0632 <code>try...except...finally<\/code> \u0646\u0631\u062f\u0628\u0627\u0646\u06cc \u06a9\u0647 \u0642\u0628\u0644\u0627 \u062f\u06cc\u062f\u06cc\u062f  \u0634\u0645\u0627 \u0645\u062c\u0628\u0648\u0631 \u0646\u06cc\u0633\u062a\u06cc\u062f \u062e\u0648\u062f\u062a\u0627\u0646 \u0631\u0627 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u06cc\u062f \u0648 \u0627\u062d\u062a\u0645\u0627\u0644 \u062e\u0637\u0627\u06cc \u0627\u0646\u0633\u0627\u0646\u06cc \u06a9\u0645\u062a\u0631 \u0627\u0633\u062a.<\/p>\n<h3 id=\"how-to-create-a-generator-based-context-manager-in-python\"><span class=\"ez-toc-section\" id=\"%d9%86%d8%ad%d9%88%d9%87_%d8%a7%db%8c%d8%ac%d8%a7%d8%af_%db%8c%da%a9_%d9%85%d8%af%db%8c%d8%b1_%d8%b2%d9%85%db%8c%d9%86%d9%87_%d9%85%d8%a8%d8%aa%d9%86%db%8c_%d8%a8%d8%b1_%da%98%d9%86%d8%b1%d8%a7%d8%aa%d9%88%d8%b1_%d8%af%d8%b1_%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\"><\/span>\u0646\u062d\u0648\u0647 \u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u0645\u062f\u06cc\u0631 \u0632\u0645\u06cc\u0646\u0647 \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0698\u0646\u0631\u0627\u062a\u0648\u0631 \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0627\u0632 \u0639\u0646\u0648\u0627\u0646 \u0627\u06cc\u0646 \u0628\u062e\u0634 \u0645\u0634\u0647\u0648\u062f \u0627\u0633\u062a\u060c \u0627\u06cc\u0646 \u0631\u0648\u06cc\u06a9\u0631\u062f \u0627\u0632 \u06cc\u06a9 \u0645\u0648\u0644\u062f \u0628\u0647 \u062c\u0627\u06cc \u06cc\u06a9 \u06a9\u0644\u0627\u0633 \u0628\u0631\u0627\u06cc \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0645\u062f\u06cc\u0631 \u0632\u0645\u06cc\u0646\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u0627\u0632 \u0646\u0638\u0631 \u0646\u062d\u0648\u06cc\u060c \u0698\u0646\u0631\u0627\u062a\u0648\u0631\u0647\u0627 \u062a\u0642\u0631\u06cc\u0628\u0627\u064b \u0645\u0634\u0627\u0628\u0647 \u062a\u0648\u0627\u0628\u0639 \u0639\u0627\u062f\u06cc \u0647\u0633\u062a\u0646\u062f\u060c \u0628\u0627 \u0627\u06cc\u0646 \u062a\u0641\u0627\u0648\u062a \u06a9\u0647 \u0628\u0627\u06cc\u062f \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f <code>yield<\/code> \u0628\u062c\u0627\u06cc <code>return<\/code> \u062f\u0631 \u06cc\u06a9 \u0698\u0646\u0631\u0627\u062a\u0648\u0631<\/p>\n<p>\u0646\u0648\u0634\u062a\u0646 \u06cc\u06a9 \u0645\u062f\u06cc\u0631 \u0632\u0645\u06cc\u0646\u0647 \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0645\u0648\u0644\u062f \u0628\u0647 \u06a9\u062f \u06a9\u0645\u062a\u0631\u06cc \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u062f \u0627\u0645\u0627 \u0645\u0642\u062f\u0627\u0631\u06cc \u0627\u0632 \u062e\u0648\u0627\u0646\u0627\u06cc\u06cc \u062e\u0648\u062f \u0631\u0627 \u0646\u06cc\u0632 \u0627\u0632 \u062f\u0633\u062a \u0645\u06cc \u062f\u0647\u062f.<\/p>\n<p>\u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0645\u0639\u0627\u062f\u0644 \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0645\u0648\u0644\u062f \u06a9\u0644\u0627\u0633 \u0631\u0627 \u0628\u0646\u0648\u06cc\u0633\u06cc\u062f <code>Database<\/code> \u0645\u062f\u06cc\u0631 \u0632\u0645\u06cc\u0646\u0647 \u0628\u0647 \u0634\u0631\u062d \u0632\u06cc\u0631 \u0627\u0633\u062a:<\/p>\n<pre><code class=\"language-python\">import sqlite3\nfrom contextlib import contextmanager\n\n@contextmanager\ndef database(path: str):\n    connection = sqlite3.connect(path)\n    try:\n        cursor = connection.cursor()\n        yield {'connection': connection, 'cursor': cursor}\n    except Exception as e:\n        print(f'an error occurred: {e}') \n    finally:\n        connection.close()<\/code><\/pre>\n<p>\u0628\u0647 \u062c\u0627\u06cc \u06cc\u06a9 \u06a9\u0644\u0627\u0633\u060c \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0645\u0648\u0644\u062f \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u062f\u0627\u0631\u06cc\u062f\u060c \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0647\u06cc\u0686 \u0645\u0642\u062f\u0627\u0631 \u0627\u0648\u0644\u06cc\u0647 \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0631\u062f.  \u062f\u0631 \u0639\u0648\u0636\u060c \u062e\u0648\u062f \u062a\u0627\u0628\u0639 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0645\u0633\u06cc\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0628\u067e\u0630\u06cc\u0631\u062f.<\/p>\n<p>\u062f\u0631 \u06cc\u06a9 <code>try<\/code> \u0645\u0633\u062f\u0648\u062f \u06a9\u0631\u062f\u0646\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u06cc\u06a9 \u0627\u062a\u0635\u0627\u0644 \u0628\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0628\u0631\u0642\u0631\u0627\u0631 \u06a9\u0646\u06cc\u062f\u060c \u0645\u06a9\u0627\u0646 \u0646\u0645\u0627 \u0631\u0627 \u0646\u0645\u0648\u0646\u0647 \u0628\u0631\u062f\u0627\u0631\u06cc \u06a9\u0646\u06cc\u062f \u0648 \u0647\u0631 \u062f\u0648 \u0634\u06cc \u0631\u0627 \u0628\u0647 \u06a9\u0627\u0631\u0628\u0631 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u06cc\u062f.<\/p>\n<p>\u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0646\u0648\u06cc\u0633\u06cc\u062f <code>yield connection, cursor<\/code> \u0628\u0631\u0627\u06cc \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f\u0646 \u062f\u0648 \u0634\u06cc\u0621\u060c \u0627\u0645\u0627 \u062f\u0631 \u0627\u06cc\u0646 \u0635\u0648\u0631\u062a \u0698\u0646\u0631\u0627\u062a\u0648\u0631 \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u06cc\u06a9 \u062a\u0627\u067e\u0644 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n<p>\u0645\u0646 \u062a\u0631\u062c\u06cc\u062d \u0645\u06cc \u062f\u0647\u0645 \u0627\u0632 \u0631\u0634\u062a\u0647 \u0647\u0627 \u0628\u0647 \u062c\u0627\u06cc \u0627\u0639\u062f\u0627\u062f \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0627\u0628\u0632\u0627\u0631 \u062f\u0633\u062a\u0631\u0633\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u0645 \u0648 \u0628\u0647 \u0647\u0645\u06cc\u0646 \u062f\u0644\u06cc\u0644 \u0627\u0633\u062a \u06a9\u0647 \u0627\u06cc\u0646 \u062f\u0648 \u0634\u06cc \u0631\u0627 \u062f\u0631 \u06cc\u06a9 \u062f\u06cc\u06a9\u0634\u0646\u0631\u06cc \u0628\u0627 \u06a9\u0644\u06cc\u062f\u0647\u0627\u06cc \u062a\u0648\u0635\u06cc\u0641\u06cc \u0642\u0631\u0627\u0631 \u062f\u0627\u062f\u0647 \u0627\u0645.<\/p>\n<p>\u0627\u06cc\u0646 <code>except<\/code> \u0628\u0644\u0648\u06a9 \u062f\u0631 \u0635\u0648\u0631\u062a \u0627\u0633\u062a\u062b\u0646\u0627 \u0627\u062c\u0631\u0627 \u062e\u0648\u0627\u0647\u062f \u0634\u062f.  \u0628\u0627 \u062e\u06cc\u0627\u0644 \u0631\u0627\u062d\u062a \u0647\u0631 \u0627\u0633\u062a\u0631\u0627\u062a\u0698\u06cc \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u0627\u0633\u062a\u062b\u0646\u0627\u0626\u0627\u062a \u0631\u0627 \u06a9\u0647 \u0645\u0646\u0627\u0633\u0628 \u0645\u06cc \u062f\u0627\u0646\u06cc\u062f \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>\u0627\u06cc\u0646 <code>finally<\/code> \u0628\u0644\u0648\u06a9 \u0628\u062f\u0648\u0646 \u0642\u06cc\u062f \u0648 \u0634\u0631\u0637 \u0627\u062c\u0631\u0627 \u0645\u06cc \u0634\u0648\u062f \u0648 \u0627\u062a\u0635\u0627\u0644 \u0628\u0627\u0632 \u0631\u0627 \u062f\u0631 \u067e\u0627\u06cc\u0627\u0646 \u0645\u06cc \u0628\u0646\u062f\u062f <code>with<\/code> \u0645\u0633\u062f\u0648\u062f \u06a9\u0631\u062f\u0646.<\/p>\n<p>\u0627\u0632 \u0622\u0646\u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0631\u062f <code>__enter__()<\/code> \u06cc\u0627 <code>__exit__()<\/code> \u062f\u0631 \u0647\u0631 \u0635\u0648\u0631\u062a\u060c \u0634\u0645\u0627 \u0628\u0627\u06cc\u062f \u0698\u0646\u0631\u0627\u062a\u0648\u0631 \u0631\u0627 \u0628\u0627 \u0622\u0646 \u062a\u0632\u0626\u06cc\u0646 \u06a9\u0646\u06cc\u062f <code>@contextmanager<\/code> \u062f\u06a9\u0648\u0631\u0627\u062a\u0648\u0631<\/p>\n<p>\u0627\u06cc\u0646 \u062f\u06a9\u0648\u0631\u0627\u062a\u0648\u0631 \u06cc\u06a9 \u0639\u0645\u0644\u06a9\u0631\u062f \u06a9\u0627\u0631\u062e\u0627\u0646\u0647 \u0631\u0627 \u0628\u0631\u0627\u06cc <code>with<\/code> \u0645\u062f\u06cc\u0631\u0627\u0646 \u0645\u062a\u0646 \u0628\u06cc\u0627\u0646\u06cc\u0647\u060c \u0628\u062f\u0648\u0646 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0644\u0627\u0633 \u06cc\u0627 \u062c\u062f\u0627\u0633\u0627\u0632\u06cc <code>__enter__()<\/code> \u0648 <code>__exit__()<\/code> \u0645\u0648\u0627\u062f \u0648 \u0631\u0648\u0634 \u0647\u0627.<\/p>\n<p>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u06cc\u0646 \u0645\u062f\u06cc\u0631 \u0632\u0645\u06cc\u0646\u0647 \u0628\u0627 \u0647\u0645\u062a\u0627\u06cc \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u06a9\u0644\u0627\u0633 \u0622\u0646 \u0628\u0647 \u062c\u0632 \u062d\u0631\u0648\u0641 \u0628\u0632\u0631\u06af \u0646\u0627\u0645 \u0622\u0646 \u06cc\u06a9\u0633\u0627\u0646 \u0627\u0633\u062a.<\/p>\n<pre><code class=\"language-python\">import sqlite3\nfrom contextlib import contextmanager\n\ncreate_table_sql_statement=\"CREATE TABLE IF NOT EXISTS books(title TEXT, author TEXT)\"\ninsert_into_table_sql_statement = \"INSERT INTO books VALUES ('If Tomorrow Comes', 'Sidney Sheldon'), ('The Lincoln Lawyer', 'Michael Connelly')\"\nselect_from_table_sql_statement=\"SELECT * FROM books\"\n\n\n@contextmanager\ndef database(path: str):\n    connection = sqlite3.connect(path)\n    try:\n        cursor = connection.cursor()\n        yield {'connection': connection, 'cursor': cursor}\n    except Exception as e:\n        print(f'an error occurred: {e}') \n    finally:\n        connection.close()\n\n\ndef main():\n    database_path=\":memory:\"\n\n    with database(database_path) as db:\n        db.get('cursor').execute(create_table_sql_statement)\n        db.get('connection').commit()\n\n        db.get('cursor').execute(insert_into_table_sql_statement)\n        db.get('connection').commit()\n\n        db.get('cursor').execute(select_from_table_sql_statement)\n\n        print(db.get('cursor').fetchall())\n\n\nif __name__ == '__main__':\n    main()\n\n# [('If Tomorrow Comes', 'Sidney Sheldon'), ('The Lincoln Lawyer', 'Michael Connelly')]\n<\/code><\/pre>\n<p>\u0627\u0632 \u0622\u0646\u062c\u0627 \u06a9\u0647 <code>db<\/code> \u06cc\u06a9 \u062f\u06cc\u06a9\u0634\u0646\u0631\u06cc \u0628\u0647 \u062c\u0627\u06cc \u06cc\u06a9 \u0634\u06cc \u0627\u0633\u062a\u060c \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0648\u0631\u062f \u0628\u0627\u06cc\u062f \u0627\u0632 \u0628\u0631\u06cc\u0633 \u0647\u0627\u06cc \u0645\u0631\u0628\u0639\u06cc \u06cc\u0627 \u0647\u0645\u0627\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f <code>get()<\/code> \u0631\u0648\u0634 \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 \u0627\u062a\u0635\u0627\u0644 \u06cc\u0627 \u0634\u06cc \u0645\u06a9\u0627\u0646 \u0646\u0645\u0627.<\/p>\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>\u0645\u062f\u06cc\u0631\u06cc\u062a \u0632\u0645\u06cc\u0646\u0647 \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u06cc\u06a9\u06cc \u0627\u0632 \u0622\u0646 \u0645\u0648\u0636\u0648\u0639\u0627\u062a\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u0627\u0646 \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f\u0647 \u0627\u0646\u062f \u0627\u0645\u0627 \u0628\u0647 \u0648\u0636\u0648\u062d \u062f\u0631\u06a9 \u0646\u0645\u06cc \u06a9\u0646\u0646\u062f.<\/p>\n<p>\u0627\u0645\u06cc\u062f\u0648\u0627\u0631\u0645 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0628\u0631\u062e\u06cc \u0627\u0632 \u0627\u0628\u0647\u0627\u0645\u0627\u062a \u0634\u0645\u0627 \u0631\u0627 \u0628\u0631\u0637\u0631\u0641 \u06a9\u0631\u062f\u0647 \u0628\u0627\u0634\u062f.<\/p>\n<p>\u0627\u06af\u0631 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u0628\u0647 \u0645\u0646 \u0648\u0635\u0644 \u0634\u0648\u06cc\u062f\u060c \u0645\u0646 \u0647\u0645\u06cc\u0634\u0647 \u062f\u0631 \u0644\u06cc\u0646\u06a9\u062f\u06cc\u0646 \u062f\u0631 \u062f\u0633\u062a\u0631\u0633 \u0647\u0633\u062a\u0645.  \u0628\u0627 \u062e\u06cc\u0627\u0644 \u0631\u0627\u062d\u062a \u067e\u06cc\u0627\u0645\u06cc \u0628\u0641\u0631\u0633\u062a\u06cc\u062f \u0648 \u0645\u0646 \u062e\u0648\u0634\u062d\u0627\u0644 \u0645\u06cc \u0634\u0648\u0645 \u067e\u0627\u0633\u062e \u062f\u0647\u0645.  \u0647\u0645\u0686\u0646\u06cc\u0646\u060c \u0627\u06af\u0631 \u0641\u06a9\u0631 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f \u0627\u06cc\u0646 \u0645\u0641\u06cc\u062f \u0628\u0648\u062f\u060c \u0645\u0647\u0627\u0631\u062a\u200c\u0647\u0627\u06cc \u0645\u0631\u062a\u0628\u0637 \u0645\u0646 \u0631\u0627 \u062f\u0631 \u067e\u0644\u062a\u0641\u0631\u0645 \u062a\u0623\u06cc\u06cc\u062f \u06a9\u0646\u06cc\u062f.<\/p>\n<p>\u062a\u0627 \u0645\u0648\u0631\u062f \u0628\u0639\u062f\u06cc\u060c \u0645\u0631\u0627\u0642\u0628 \u0628\u0627\u0634\u06cc\u062f \u0648 \u0628\u0647 \u06a9\u0627\u0648\u0634 \u0627\u062f\u0627\u0645\u0647 \u062f\u0647\u06cc\u062f.<\/p>\n<\/section>\n<p><br \/>\n<br \/>\u0645\u0646\u062a\u0634\u0631 \u0634\u062f\u0647 \u062f\u0631 1402-12-26 12:39:04<br \/>\n<\/p>\n\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-center kksr-valign-bottom\"\n    data-payload='{&quot;align&quot;:&quot;center&quot;,&quot;id&quot;:&quot;9659&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;\u0645\u062f\u06cc\u0631\u0627\u0646 \u0632\u0645\u06cc\u0646\u0647 \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0686\u06cc\u0633\u062a\u061f&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\"> 9<\/span> <span class=\"rt-label rt-postfix\">\u062f\u0642\u06cc\u0642\u0647<\/span><\/span>\u06cc\u06a9\u06cc \u0627\u0632 \u0631\u0627\u06cc\u062c \u062a\u0631\u06cc\u0646 \u06a9\u0627\u0631\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0628\u0627\u06cc\u062f \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627\u06cc \u062e\u0648\u062f \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f \u06a9\u0627\u0631 \u0628\u0627 \u0645\u0646\u0627\u0628\u0639 \u062e\u0627\u0631\u062c\u06cc \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0645\u0646\u0627\u0628\u0639 \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u0641\u0627\u06cc\u0644 \u0647\u0627\u06cc \u0645\u0648\u062c\u0648\u062f \u062f\u0631 \u062d\u0627\u0641\u0638\u0647 \u0631\u0627\u06cc\u0627\u0646\u0647 \u0634\u0645\u0627 \u06cc\u0627 \u0627\u062a\u0635\u0627\u0644 \u0628\u0627\u0632 \u0628\u0647 \u0633\u0631\u0648\u06cc\u0633 \u0634\u062e\u0635 \u062b\u0627\u0644\u062b \u062f\u0631 \u0627\u06cc\u0646\u062a\u0631\u0646\u062a \u0628\u0627\u0634\u0646\u062f. \u0628\u0631\u0627\u06cc \u0633\u0627\u062f\u06af\u06cc\u060c \u0628\u0631\u0646\u0627\u0645\u0647 \u0627\u06cc \u0631\u0627 \u062a\u0635\u0648\u0631 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u06cc\u06a9 \u0641\u0627\u06cc\u0644 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[&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":9660,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1743],"tags":[1928,1938,1920,1919,1744,1104,1975,2001,2334,2098,1927],"class_list":["post-9659","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python","tag-python-","tag-1938","tag-1920","tag----python","tag-1744","tag-1104","tag-1975","tag---python","tag-2334","tag-2098","tag-1927"],"acf":[],"_links":{"self":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/posts\/9659","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\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/comments?post=9659"}],"version-history":[{"count":0,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/posts\/9659\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/media\/9660"}],"wp:attachment":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/media?parent=9659"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/categories?post=9659"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/tags?post=9659"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}