{"id":24562,"date":"2021-10-21T10:07:15","date_gmt":"2021-10-21T04:37:15","guid":{"rendered":"https:\/\/python-programs.com\/?p=24562"},"modified":"2021-11-05T19:38:07","modified_gmt":"2021-11-05T14:08:07","slug":"python-compile-function-with-examples","status":"publish","type":"post","link":"https:\/\/python-programs.com\/python-compile-function-with-examples\/","title":{"rendered":"Python compile() Function with Examples"},"content":{"rendered":"<p>In the previous article, we have discussed <a href=\"https:\/\/python-programs.com\/python-bytes-function-with-examples\/\">Python Program for bytes() Function<\/a><br \/>\n<strong>compile() Function in Python:<\/strong><\/p>\n<p>The compile() function returns the specified source as a ready-to-execute code object.<\/p>\n<p><strong>Syntax:<\/strong><\/p>\n<pre>compile(source,\u00a0filename,\u00a0mode,\u00a0flag,\u00a0dont_inherit,\u00a0optimize)<\/pre>\n<p><strong>Parameters:<\/strong><\/p>\n<p><strong>source:<\/strong> This is Required. A String, a Bytes object, or an AST object can be used as the source to compile.<\/p>\n<p><strong>filename:<\/strong> Required. The name of the file from which the source was obtained. If the source is not a file, you can type whatever you want.<\/p>\n<p><strong>mode:<\/strong> This is Required. Legal principles:<\/p>\n<ul>\n<li>If the source is a single expression, use eval.<\/li>\n<li>If the source is a set of statements, use exec.<\/li>\n<li>If the source is a single interactive statement, use single<\/li>\n<\/ul>\n<p><strong>flag:<\/strong> This is Optional. The process of compiling the source code. 0 is the default.<\/p>\n<p><strong>dont_inherit:<\/strong> This is Optional. The process of compiling the source code. False by default<\/p>\n<p><strong>optimize: <\/strong>This is\u00a0Optional. Defines the compiler&#8217;s optimization level. -1 is the default.<\/p>\n<p><strong>Return value:<\/strong><\/p>\n<p>Python code object is returned by the compile() function.<\/p>\n<p><strong>Examples:<\/strong><\/p>\n<p><strong>Example1:<\/strong><\/p>\n<p><strong>Input:<\/strong><\/p>\n<pre>Given code in string = 'p = 4\\nq=7\\nmult=p*q\\nprint(\"The multiplication result =\",mult)'<\/pre>\n<p><strong>Output:<\/strong><\/p>\n<pre id=\"codeOutputPre\">The multiplication result = 28<\/pre>\n<p><strong>Example2:<\/strong><\/p>\n<p><strong>Input:<\/strong><\/p>\n<pre>Given code in string = 'p = 25\\nq=5\\ndivisn=p\/q\\nprint(\"The division result =\",divisn)'<\/pre>\n<p><strong>Output:<\/strong><\/p>\n<pre id=\"codeOutputPre\">The division result = 5.0<\/pre>\n<h2>Program for compile() Function in Python<\/h2>\n<ul>\n<li><a href=\"#Using_Built-in_Functions_(Static_Input)\">Using Built-in Functions (Static Input)<\/a><\/li>\n<li><a href=\"#Using_Built-in_Functions_(User_Input)\">Using Built-in Functions (User Input)<\/a><\/li>\n<\/ul>\n<h3 id=\"Using_Built-in_Functions_(Static_Input)\">Method #1: Using Built-in Functions (Static Input)<\/h3>\n<p><strong>Approach:<\/strong><\/p>\n<ul>\n<li>Give the Python code as a string that multiplies the given two numbers and store it in a variable.<\/li>\n<li>Compile the given code using the compile() function with the parameters as the above string code, codename, and mode of compilation.<\/li>\n<li>Print the above result which is the code after compilation.<\/li>\n<li>The Exit of the Program.<\/li>\n<\/ul>\n<p><strong>Below is the implementation:<\/strong><\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\"># Give the Python code as a string that multiplies the given two numbers\r\n# and store it in a variable.\r\ncodeIn_gvnstring = 'p = 4\\nq=7\\nmult=p*q\\nprint(\"The multiplication result =\",mult)'\r\n# Compile the given code using the compile() function with the parameters\r\n# as the above string code, codename, and mode of compilation.\r\ncode_obejct = compile(codeIn_gvnstring, 'multstring', 'exec')\r\n# Print the above result which is the code after compilation.\r\nexec(code_obejct)\r\n<\/pre>\n<p><strong>Output:<\/strong><\/p>\n<pre id=\"codeOutputPre\">The multiplication result = 28<\/pre>\n<p><strong>Explanation:<\/strong><\/p>\n<p>In this case, the source is a regular string. multstring is the filename. Furthermore, the exec mode later allows the use of the exec() method.<\/p>\n<p>The compile() method transforms a string into a Python code object. The exec() method is then used to execute the code object.<\/p>\n<p>Find a Comprehensive Collection of <a href=\"https:\/\/python-programs.com\/python-built-in-functions\/#Python_Built_in_Functions\">Python Built in Functions<\/a> that you need to be aware of and use them as a part of your program.<\/p>\n<ul>\n<li><a href=\"https:\/\/python-programs.com\/python-round-function-with-examples\/\">Python round() Function with Examples<\/a><\/li>\n<li><a href=\"https:\/\/python-programs.com\/python-ord-function-with-examples\/\">Python ord() Function with Examples<\/a><\/li>\n<li><a href=\"https:\/\/python-programs.com\/python-memoryview-function-with-examples\/\">Python memoryview() Function with Examples<\/a><\/li>\n<li><a href=\"https:\/\/python-programs.com\/python-program-to-find-index-of-a-tuple-item\/\">Python Program to Find Index of a Tuple Item<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>In the previous article, we have discussed Python Program for bytes() Function compile() Function in Python: The compile() function returns the specified source as a ready-to-execute code object. Syntax: compile(source,\u00a0filename,\u00a0mode,\u00a0flag,\u00a0dont_inherit,\u00a0optimize) Parameters: source: This is Required. A String, a Bytes object, or an AST object can be used as the source to compile. filename: Required. The &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/python-programs.com\/python-compile-function-with-examples\/\"> <span class=\"screen-reader-text\">Python compile() Function with Examples<\/span> Read More &raquo;<\/a><\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true},"categories":[5],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v18.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Python compile() Function with Examples - Python Programs<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/python-programs.com\/python-compile-function-with-examples\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Python compile() Function with Examples - Python Programs\" \/>\n<meta property=\"og:description\" content=\"In the previous article, we have discussed Python Program for bytes() Function compile() Function in Python: The compile() function returns the specified source as a ready-to-execute code object. 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