{"id":25529112,"date":"2022-06-18T20:00:29","date_gmt":"2022-06-18T14:30:29","guid":{"rendered":"https:\/\/entri.app\/blog\/?p=25529112"},"modified":"2025-10-28T15:26:30","modified_gmt":"2025-10-28T09:56:30","slug":"how-to-implement-and-use-decorators-in-python","status":"publish","type":"post","link":"https:\/\/entri.app\/blog\/how-to-implement-and-use-decorators-in-python\/","title":{"rendered":"How to Implement and Use Decorators in Python: The Ultimate 2025 Guide"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_79_2 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-69e8f42e993b3\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-69e8f42e993b3\"  aria-label=\"Toggle\" \/><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:\/\/entri.app\/blog\/how-to-implement-and-use-decorators-in-python\/#Introduction_Saving_Time_and_Writing_Beautiful_Python\" >Introduction: Saving Time and Writing Beautiful Python<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/entri.app\/blog\/how-to-implement-and-use-decorators-in-python\/#What_Is_a_Python_Decorator_And_Why_Should_You_Care\" >What Is a Python Decorator? (And Why Should You Care?)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/entri.app\/blog\/how-to-implement-and-use-decorators-in-python\/#Basic_Decorator_Syntax_in_Python\" >Basic Decorator Syntax in Python<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/entri.app\/blog\/how-to-implement-and-use-decorators-in-python\/#Why_Use_Decorators\" >Why Use Decorators?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/entri.app\/blog\/how-to-implement-and-use-decorators-in-python\/#Inside_the_Syntax_Decorator_Sugar\" >Inside the @ Syntax (Decorator Sugar)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/entri.app\/blog\/how-to-implement-and-use-decorators-in-python\/#Preserving_Function_Metadata_Why_functoolswraps_Matters\" >Preserving Function Metadata: Why functools.wraps Matters<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/entri.app\/blog\/how-to-implement-and-use-decorators-in-python\/#Decorators_That_Accept_Arguments_Decorator_Factories\" >Decorators That Accept Arguments (Decorator Factories)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/entri.app\/blog\/how-to-implement-and-use-decorators-in-python\/#Stacking_Multiple_Decorators\" >Stacking Multiple Decorators<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/entri.app\/blog\/how-to-implement-and-use-decorators-in-python\/#Real-World_Decorator_Examples\" >Real-World Decorator Examples<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/entri.app\/blog\/how-to-implement-and-use-decorators-in-python\/#Decorator_Best_Practices_in_2025\" >Decorator Best Practices in 2025<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/entri.app\/blog\/how-to-implement-and-use-decorators-in-python\/#Ready_to_Master_Python_Check_Out_Entris_Python_Course\" >Ready to Master Python? Check Out Entri\u2019s Python Course!<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/entri.app\/blog\/how-to-implement-and-use-decorators-in-python\/#Conclusion_Why_Decorators_Belong_in_Every_Pythonists_Toolkit\" >Conclusion: Why Decorators Belong in Every Pythonist\u2019s Toolkit<\/a><\/li><\/ul><\/nav><\/div>\n<div class=\"alert alert-success\">\n<h3><strong>Key Takeaways:<\/strong><\/h3>\n<ul>\n<li>Decorators add reusable functionality\u2014like logging, authentication, timing\u2014to functions without cluttering core logic.<\/li>\n<li>Using functools.wraps keeps your decorated functions debuggable and documentable.<\/li>\n<li>Decorators can accept their own arguments and can be chained for advanced setups.<\/li>\n<li>Popular in frameworks, professional Python code relies on decorators for consistent, DRY patterns.<\/li>\n<li>Decorators, when used wisely, make your code simpler and your job easier.<\/li>\n<\/ul>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Introduction_Saving_Time_and_Writing_Beautiful_Python\"><\/span><strong>Introduction: Saving Time and Writing Beautiful Python<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Ever found yourself copying the same code snippets for logging, timing, or error checks across functions? You\u2019re not alone. All Python developers, from beginners to pros, struggle at first with keeping their code DRY (Don&#8217;t Repeat Yourself) and efficient. What if you could add new behavior to functions\u2014like auto-logging or measuring speed\u2014without changing their core logic? That\u2019s what makes decorators magic in the Python ecosystem.<br \/>\n<span style=\"font-weight: 400;\"><div class=\"lead-gen-block\"><a href=\"https:\/\/entri.app\/blog\/wp-content\/uploads\/2025\/09\/Python-1.pdf\" data-url=\"https:\/\/entri.app\/blog\/wp-content\/uploads\/2025\/09\/Python-1.pdf\" class=\"lead-pdf-download\" data-id=\"25556851\"><\/span><\/p>\n<p style=\"text-align: center;\"><button class=\"btn btn-default\">Python Course Details<\/button><\/p>\n<p><span style=\"font-weight: 400;\"><\/a><\/div><\/span><br \/>\nIf you\u2019ve been baffled before by the \u201c@\u201d symbol or complex decorator syntax, rest easy. Decorators are much more approachable than they first seem. Once you get the hang of them, decorators become addictive: you&#8217;ll use them to keep code short, readable, and scalable. This guide will walk you step-by-step through everything you need\u2014from basics to modern, best-practice usage for 2025.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-25607249 aligncenter\" src=\"https:\/\/entri.app\/blog\/wp-content\/uploads\/2023\/12\/programming-background-with-person-working-with-codes-computer-_1_-300x200.webp\" alt=\"Implement and Use Decorators in Python\" width=\"549\" height=\"366\" srcset=\"https:\/\/entri.app\/blog\/wp-content\/uploads\/2023\/12\/programming-background-with-person-working-with-codes-computer-_1_-300x200.webp 300w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2023\/12\/programming-background-with-person-working-with-codes-computer-_1_-1024x682.webp 1024w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2023\/12\/programming-background-with-person-working-with-codes-computer-_1_-768x512.webp 768w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2023\/12\/programming-background-with-person-working-with-codes-computer-_1_-1536x1024.webp 1536w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2023\/12\/programming-background-with-person-working-with-codes-computer-_1_-150x100.webp 150w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2023\/12\/programming-background-with-person-working-with-codes-computer-_1_-750x500.webp 750w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2023\/12\/programming-background-with-person-working-with-codes-computer-_1_-1140x760.webp 1140w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2023\/12\/programming-background-with-person-working-with-codes-computer-_1_.webp 1769w\" sizes=\"auto, (max-width: 549px) 100vw, 549px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_Is_a_Python_Decorator_And_Why_Should_You_Care\"><\/span><strong>What Is a Python Decorator? (And Why Should You Care?)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><strong>Meaning Simplified<\/strong><\/h3>\n<p>A <strong>decorator<\/strong> in Python is a function that takes another function as input and returns a new function that adds or changes behavior\u2014without altering the original code of the function.<\/p>\n<h3><strong>Real-World Example<\/strong><\/h3>\n<p>Think about a team task where you want everyone\u2019s work reviewed and stamped before it&#8217;s submitted. Instead of telling everyone individually, you set a process (&#8220;decorator&#8221;) at the team level. Now all work is stamped automatically before final submission, without changing the workers\u2019 tasks directly.<\/p>\n<p><strong>Use case tip:<\/strong> Decorators let Python developers add features like logging, access control, validation, and performance measurement uniformly across many functions.<\/p>\n<p style=\"text-align: center;\"><strong><a href=\"https:\/\/entri.app\/course\/python-programming-course\/\" target=\"_blank\" rel=\"noopener\">Ready to take your Python skills to the next level? Sign up for a free demo today!<\/a><\/strong><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Basic_Decorator_Syntax_in_Python\"><\/span><strong>Basic Decorator Syntax in Python<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><strong>How It Looks<\/strong><\/h3>\n<p>A simple decorator looks like this:<\/p>\n<div>\n<div><code>defmy_decorator(func):defwrapper():print(\"Start\") func()print(\"End\")return wrapper <\/code><\/div>\n<\/div>\n<p>To use it:<\/p>\n<div>\n<div><code>@my_decoratordefgreet():print(\"Hello!\") greet()# Output: Start# Hello!# End<\/code><\/div>\n<\/div>\n<p><strong>Quick Meaning:<\/strong><\/p>\n<ul>\n<li><code>@my_decorator<\/code> just means <code>greet = my_decorator(greet)<\/code><\/li>\n<li>The wrapper adds extra actions before and after running <code>greet<\/code>.<\/li>\n<\/ul>\n<div class=\"alert alert-info\">\n<h4><strong>Did you know?<\/strong> Decorators follow the principle of separation of concerns: your core function remains focused, while cross-function behaviors (like security or logging) go into neat, reusable \u201cwraps\u201d.<\/h4>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Why_Use_Decorators\"><\/span><strong>Why Use Decorators?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Top Practical Benefits:<\/strong><\/p>\n<ul>\n<li>Avoid repeating code (DRY principle)<\/li>\n<li>Centralized code for logging, access control, validation<\/li>\n<li>Easier refactoring and maintenance<\/li>\n<li>Cleaner syntax than manually wrapping functions everywhere<\/li>\n<\/ul>\n<p>Common use cases include:<\/p>\n<ul>\n<li>Logging and monitoring<\/li>\n<li>Caching and memoization<\/li>\n<li>Timing and profiling<\/li>\n<li>Access control (user roles, permissions)<\/li>\n<li>API rate limiting<\/li>\n<\/ul>\n<p style=\"text-align: center;\"><strong><a href=\"https:\/\/entri.app\/course\/python-programming-course\/\" target=\"_blank\" rel=\"noopener\">Get hands-on with our Python course &#8211; sign up for a free demo!<\/a><\/strong><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Inside_the_Syntax_Decorator_Sugar\"><\/span><strong>Inside the @ Syntax (Decorator Sugar)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Whenever you see:<\/p>\n<div>\n<div><code>@my_decoratordefexample():...<\/code><\/div>\n<\/div>\n<p>It\u2019s exactly the same as:<\/p>\n<div>\n<div><code>defexample():... example = my_decorator(example)<\/code><\/div>\n<\/div>\n<p>The <code>@<\/code> lets your intentions be clear\u2014and keeps things concise.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-25607248 aligncenter\" src=\"https:\/\/entri.app\/blog\/wp-content\/uploads\/2023\/12\/html-css-collage-concept-with-person-_1_-_1_-300x200.webp\" alt=\"Implement and Use Decorators in Python\" width=\"596\" height=\"397\" srcset=\"https:\/\/entri.app\/blog\/wp-content\/uploads\/2023\/12\/html-css-collage-concept-with-person-_1_-_1_-300x200.webp 300w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2023\/12\/html-css-collage-concept-with-person-_1_-_1_-1024x682.webp 1024w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2023\/12\/html-css-collage-concept-with-person-_1_-_1_-768x512.webp 768w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2023\/12\/html-css-collage-concept-with-person-_1_-_1_-1536x1023.webp 1536w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2023\/12\/html-css-collage-concept-with-person-_1_-_1_-2048x1364.webp 2048w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2023\/12\/html-css-collage-concept-with-person-_1_-_1_-150x100.webp 150w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2023\/12\/html-css-collage-concept-with-person-_1_-_1_-750x500.webp 750w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2023\/12\/html-css-collage-concept-with-person-_1_-_1_-1140x760.webp 1140w\" sizes=\"auto, (max-width: 596px) 100vw, 596px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Preserving_Function_Metadata_Why_functoolswraps_Matters\"><\/span><strong>Preserving Function Metadata: Why <code>functools.wraps<\/code> Matters<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>By default, Python decorators can erase helpful information about your function, like its name or docstring. This can make debugging and auto-generated docs tricky.<\/p>\n<p><strong>Best Practice:<\/strong> Always use <code>functools.wraps<\/code>:<\/p>\n<div>\n<div><code>import functools defdecorator(func):@functools.wraps(func)defwrapper(*args,**kwargs):# Your add-on logic herereturn func(*args,**kwargs)return wrapper <\/code><\/div>\n<\/div>\n<p>This preserves the original function\u2019s metadata, making tools and colleagues happy.<\/p>\n<div class=\"alert alert-warning\">\n<h4><strong>Quick Tip:<\/strong> Use <code>*args<\/code>, <code>**kwargs<\/code> in wrappers to support any possible argument signature!<\/h4>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Decorators_That_Accept_Arguments_Decorator_Factories\"><\/span><strong>Decorators That Accept Arguments (Decorator Factories)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Want your decorator to be flexible? Nest your decorator inside another function, and return the actual decorator.<\/p>\n<div>\n<div><code>defrepeat(n):defactual_decorator(func):@functools.wraps(func)defwrapper(*args,**kwargs):for _ inrange(n): result = func(*args,**kwargs)return result return wrapper return actual_decorator @repeat(3)defcheer():print(\"Go Python!\") cheer()# Output: Go Python! (printed 3 times)<\/code><\/div>\n<\/div>\n<h4><strong>Handy Meaning<\/strong><\/h4>\n<p>A <strong>decorator factory<\/strong> is a function that builds decorators tailored for each use-case (e.g., log level, repeat count, etc).<\/p>\n<p style=\"text-align: center;\"><strong><a href=\"https:\/\/entri.app\/course\/python-programming-course\/\" target=\"_blank\" rel=\"noopener\">Ready to take your Python skills to the next level? Sign up for a free demo today!<\/a><\/strong><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Stacking_Multiple_Decorators\"><\/span><strong>Stacking Multiple Decorators<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>You can \u201clayer\u201d decorators to combine behaviors. The decorator closest to the function is applied first.<\/p>\n<p>Example:<\/p>\n<div>\n<div><code>defstrong(func):@functools.wraps(func)defwrapper():return\"&lt;strong&gt;\"+ func()+\"&lt;\/strong&gt;\"return wrapper defemphasized(func):@functools.wraps(func)defwrapper():return\"&lt;em&gt;\"+ func()+\"&lt;\/em&gt;\"return wrapper @strong@emphasizeddefgreet():return\"Hello\"print(greet())# Output: &lt;strong&gt;&lt;em&gt;Hello&lt;\/em&gt;&lt;\/strong&gt;<\/code><\/div>\n<\/div>\n<p>Order matters.<\/p>\n<div class=\"alert alert-warning\"><strong>Pro Tip:<\/strong> Stack decorators for authentication, validation, and timing\u2014keeping your core logic neat and isolated.<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Real-World_Decorator_Examples\"><\/span><strong>Real-World Decorator Examples<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><strong>Logging Decorator<\/strong><\/h3>\n<div>\n<div><code>deflog_call(func):@functools.wraps(func)defwrapper(*args,**kwargs):print(f\"Calling {func.__name__}\")return func(*args,**kwargs)return wrapper @log_calldefprocess(data):print(f\"Processing {data}\")<\/code><\/div>\n<\/div>\n<h3><strong>Timing Decorator<\/strong><\/h3>\n<div>\n<div><code>import time deftimer(func):@functools.wraps(func)defwrapper(*args,**kwargs): start = time.perf_counter() value = func(*args,**kwargs) end = time.perf_counter()print(f\"{func.__name__} ran in {end - start:.4f} seconds\")return value return wrapper <\/code><\/div>\n<\/div>\n<div class=\"alert alert-error\">\n<h4><strong>Did you know?<\/strong> Many popular Python libraries (like Flask, Click, pytest) rely heavily on decorators for routing, command definition, and testing.<\/h4>\n<\/div>\n<h3><strong>Decorators for Authentication, Validation, and Caching<\/strong><\/h3>\n<ul>\n<li><strong>Authentication decorators<\/strong> limit function access to certain users or roles.<\/li>\n<li><strong>Validation decorators<\/strong> auto-check parameters, returning errors early.<\/li>\n<li><strong>Caching decorators<\/strong> store results, speeding up repeated calls (see <code>functools.lru_cache<\/code>).<\/li>\n<\/ul>\n<p>Example:<\/p>\n<div>\n<div><code>from functools import lru_cache @lru_cache(maxsize=128)deffib(n):if n &lt;2:return n return fib(n-1)+ fib(n-2)<\/code><\/div>\n<\/div>\n<p>Caching elevated efficiency for recursive or expensive functions!<\/p>\n<h3><strong>Decorators for Classes<\/strong><\/h3>\n<p>Class-based decorators work by defining a <code>__call__<\/code> method.<\/p>\n<div>\n<div><code>import functools classCountCalls:def__init__(self, func): functools.update_wrapper(self, func) self.func = func self.num_calls =0def__call__(self,*args,**kwargs): self.num_calls +=1print(f\"Call {self.num_calls} of {self.func.__name__}\")return self.func(*args,**kwargs)@CountCallsdefsay_hello():print(\"Hello!\") say_hello() say_hello()<\/code><\/div>\n<\/div>\n<p>Count-based decorators are handy in analytics and rate-limiting scenarios!.<\/p>\n<p><strong>Tip:<\/strong> Use class-based decorators if you need to keep state (data that persists between calls).<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-25607247 aligncenter\" src=\"https:\/\/entri.app\/blog\/wp-content\/uploads\/2023\/12\/programming-background-collage-_1_-300x225.webp\" alt=\"Implement and Use Decorators in Python\" width=\"473\" height=\"355\" srcset=\"https:\/\/entri.app\/blog\/wp-content\/uploads\/2023\/12\/programming-background-collage-_1_-300x225.webp 300w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2023\/12\/programming-background-collage-_1_-1024x768.webp 1024w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2023\/12\/programming-background-collage-_1_-768x576.webp 768w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2023\/12\/programming-background-collage-_1_-1536x1152.webp 1536w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2023\/12\/programming-background-collage-_1_-150x113.webp 150w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2023\/12\/programming-background-collage-_1_-750x563.webp 750w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2023\/12\/programming-background-collage-_1_-1140x855.webp 1140w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2023\/12\/programming-background-collage-_1_.webp 2000w\" sizes=\"auto, (max-width: 473px) 100vw, 473px\" \/><\/p>\n<h3><strong>Decorators with Async Functions<\/strong><\/h3>\n<p>With the rise of async programming, decorators must sometimes wrap <code>async def<\/code> functions.<\/p>\n<div>\n<div><code>import asyncio import functools defasync_logger(func):@functools.wraps(func)asyncdefwrapper(*args,**kwargs):print(f\"Starting {func.__name__}\") result =await func(*args,**kwargs)print(f\"Ending {func.__name__}\")return result return wrapper @async_loggerasyncdeffetch_data():await asyncio.sleep(1)return\"Data\"<\/code><\/div>\n<\/div>\n<p>Wrapping async functions? Don&#8217;t forget the <code>await<\/code>!<\/p>\n<p style=\"text-align: center;\"><strong><a href=\"https:\/\/entri.app\/course\/python-programming-course\/\" target=\"_blank\" rel=\"noopener\">Experience the power of our Python course with a free demo &#8211; Enroll Now!<\/a><\/strong><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Decorator_Best_Practices_in_2025\"><\/span><strong>Decorator Best Practices in 2025<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Always use <code>functools.wraps<\/code> or <code>functools.update_wrapper<\/code>.<\/li>\n<li>Accept <code>*args, **kwargs<\/code> in wrapper functions to maximize flexibility.<\/li>\n<li>Document your decorators so users know what they do.<\/li>\n<li>Use built-in decorators (<code>property<\/code>, <code>classmethod<\/code>, <code>staticmethod<\/code>) as idiomatic examples.<\/li>\n<li>Prefer clear, meaningful decorator names for maintainability.<\/li>\n<li>Keep decorator logic short and focused: split complex concerns between different decorators for easy stacking.<\/li>\n<\/ul>\n<h4><strong>Python Developer Salary Outlook for 2025<\/strong><\/h4>\n<div>\n<div>\n<table>\n<thead>\n<tr>\n<th>Experience Level<\/th>\n<th>Average Salary (USD)<\/th>\n<th>Common Titles<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Entry\/Junior (0-2 years)<\/td>\n<td>$70,000<\/td>\n<td>Junior Developer, Python Dev<\/td>\n<\/tr>\n<tr>\n<td>Mid-Level (2-5 years)<\/td>\n<td>$95,000<\/td>\n<td>Software Engineer, Pythonist<\/td>\n<\/tr>\n<tr>\n<td>Senior (5+ years)<\/td>\n<td>$130,000<\/td>\n<td>Senior Python Engineer<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p><em>Sources: Stack Overflow Developer Survey 2025, Glassdoor, LinkedIn<\/em><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Ready_to_Master_Python_Check_Out_Entris_Python_Course\"><\/span><strong>Ready to Master Python? Check Out Entri\u2019s Python Course!<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Want to take your Python knowledge to the next level\u2014and boost your career prospects for 2025? Enroll in Entri\u2019s<strong> <a href=\"https:\/\/entri.app\/course\/python-programming-course\/\" target=\"_blank\" rel=\"nofollow noopener\">Python Programming Course<\/a><\/strong> and unlock:<\/p>\n<ul>\n<li>Step-by-step lessons with real projects and challenges relevant to today\u2019s tech industry.<\/li>\n<li>Placement assistance so you land your dream Python job faster.<\/li>\n<li>Up-to-date modules on modern Python features (including decorators, type hints, async coding).<\/li>\n<li>Live doubt-clearance sessions and exclusive mock interviews.<\/li>\n<li>Support from expert instructors and an active coding community.<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\"><div class=\"lead-gen-block\"><a href=\"https:\/\/entri.app\/blog\/wp-content\/uploads\/2025\/09\/Python-1.pdf\" data-url=\"https:\/\/entri.app\/blog\/wp-content\/uploads\/2025\/09\/Python-1.pdf\" class=\"lead-pdf-download\" data-id=\"25556851\"><\/span><\/p>\n<p style=\"text-align: center;\"><button class=\"btn btn-default\">Python Course Details<\/button><\/p>\n<p><span style=\"font-weight: 400;\"><\/a><\/div><\/span><br \/>\nMake your leap from beginner to pro\u2014invest in yourself with Entri!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-25606802 aligncenter\" src=\"https:\/\/entri.app\/blog\/wp-content\/uploads\/2024\/12\/bfb62b62-c52d-454e-b177-cfe2320a8f49-_1_-300x300.webp\" alt=\"Implement and Use Decorators in Python\" width=\"431\" height=\"431\" srcset=\"https:\/\/entri.app\/blog\/wp-content\/uploads\/2024\/12\/bfb62b62-c52d-454e-b177-cfe2320a8f49-_1_-300x300.webp 300w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2024\/12\/bfb62b62-c52d-454e-b177-cfe2320a8f49-_1_-1024x1024.webp 1024w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2024\/12\/bfb62b62-c52d-454e-b177-cfe2320a8f49-_1_-150x150.webp 150w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2024\/12\/bfb62b62-c52d-454e-b177-cfe2320a8f49-_1_-768x768.webp 768w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2024\/12\/bfb62b62-c52d-454e-b177-cfe2320a8f49-_1_-1536x1536.webp 1536w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2024\/12\/bfb62b62-c52d-454e-b177-cfe2320a8f49-_1_-2048x2048.webp 2048w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2024\/12\/bfb62b62-c52d-454e-b177-cfe2320a8f49-_1_-24x24.webp 24w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2024\/12\/bfb62b62-c52d-454e-b177-cfe2320a8f49-_1_-48x48.webp 48w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2024\/12\/bfb62b62-c52d-454e-b177-cfe2320a8f49-_1_-96x96.webp 96w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2024\/12\/bfb62b62-c52d-454e-b177-cfe2320a8f49-_1_-75x75.webp 75w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2024\/12\/bfb62b62-c52d-454e-b177-cfe2320a8f49-_1_-350x350.webp 350w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2024\/12\/bfb62b62-c52d-454e-b177-cfe2320a8f49-_1_-750x750.webp 750w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2024\/12\/bfb62b62-c52d-454e-b177-cfe2320a8f49-_1_-1140x1140.webp 1140w\" sizes=\"auto, (max-width: 431px) 100vw, 431px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion_Why_Decorators_Belong_in_Every_Pythonists_Toolkit\"><\/span><strong>Conclusion: Why Decorators Belong in Every Pythonist\u2019s Toolkit<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Whether you\u2019re building a hobby project, a scalable app, or writing libraries for others, decorators let you write less, do more, and keep code pristine. Once you try them, you\u2019ll find new ways to improve code clarity and productivity with every project. If clean code and smart shortcuts are your style, decorators are your secret weapon.<\/p>\n<p>Take the next step\u2014join Entri\u2019s proven Python course, start mastering advanced Python tricks, and secure your place at the top of the developer market in 2025. Start coding smarter today!<\/p>\n<h4><strong>Related Articles<\/strong><\/h4>\n<div>\n<div>\n<div>\n<div>\n<div>\n<div>\n<div>\n<table>\n<colgroup>\n<col \/>\n<col \/><\/colgroup>\n<tbody>\n<tr>\n<td><strong><a href=\"https:\/\/entri.app\/blog\/data-visualization-in-python\/\" target=\"_blank\" rel=\"noopener\">Introduction to Data Visualization in Python<\/a><\/strong><\/td>\n<td><strong><a href=\"https:\/\/entri.app\/blog\/why-python-is-used-for-data-science\/\" target=\"_blank\" rel=\"noopener\">Why Python Is Used For Data Science?<\/a><\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong><a href=\"https:\/\/entri.app\/blog\/step-by-step-guide-for-getting-a-job-as-a-python-developer\/\" target=\"_blank\" rel=\"noopener\">Guide for getting a job as a Python Developer<\/a><\/strong><\/td>\n<td><strong><a href=\"https:\/\/entri.app\/blog\/top-python-interview-questions-and-answers\/\" target=\"_blank\" rel=\"noopener\">Python Advanced Interview Questions and 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Jailor\">Assistant Jailor<\/option><option value=\"Kerala High Court Assistant\">Kerala High Court Assistant<\/option><option value=\"Beat Forest Officer\">Beat Forest Officer<\/option><option value=\"Junior Employment Officer\">Junior Employment Officer<\/option><option value=\"Junior Lab Assistant\">Junior Lab Assistant<\/option><option value=\"Dewaswom Board LDC\">Dewaswom Board LDC<\/option><option value=\"LSGS\">LSGS<\/option><option value=\"SBCID\">SBCID<\/option><option value=\"IRB Regular wing\">IRB Regular wing<\/option><option value=\"Assistant Salesman\">Assistant Salesman<\/option><option value=\"Secretariat OA\">Secretariat OA<\/option><option value=\"Driver Cum OA\">Driver Cum OA<\/option><option value=\"Departmental Test\">Departmental Test<\/option><option value=\"HSST\">HSST<\/option><option value=\"HSA\">HSA<\/option><option value=\"SET\">SET<\/option><option value=\"KTET\">KTET<\/option><option value=\"LP UP\">LP UP<\/option><option value=\"KVS\">KVS<\/option><option 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margin-bottom: -15px;\"> <div id=\"cf-turnstile-cf7-2588235234\" class=\"cf-turnstile\" data-sitekey=\"0x4AAAAAABVigxtkiZeGTu5L\" data-theme=\"light\" data-language=\"auto\" data-size=\"normal\" data-retry=\"auto\" data-retry-interval=\"1000\" data-action=\"contact-form-7\" data-appearance=\"always\"><\/div> <script>document.addEventListener(\"DOMContentLoaded\", function() { setTimeout(function(){ var e=document.getElementById(\"cf-turnstile-cf7-2588235234\"); e&&!e.innerHTML.trim()&&(turnstile.remove(\"#cf-turnstile-cf7-2588235234\"), turnstile.render(\"#cf-turnstile-cf7-2588235234\", {sitekey:\"0x4AAAAAABVigxtkiZeGTu5L\"})); }, 0); });<\/script> <br class=\"cf-turnstile-br cf-turnstile-br-cf7-2588235234\"> <style>#cf-turnstile-cf7-2588235234 { margin-left: -15px; }<\/style> <script>document.addEventListener(\"DOMContentLoaded\",function(){document.querySelectorAll('.wpcf7-form').forEach(function(e){e.addEventListener('submit',function(){if(document.getElementById('cf-turnstile-cf7-2588235234')){setTimeout(function(){turnstile.reset('#cf-turnstile-cf7-2588235234');},1000)}})})});<\/script> <\/div><br\/><input class=\"wpcf7-form-control wpcf7-submit has-spinner\" type=\"submit\" value=\"Submit\" \/>\n<\/p><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<\/form>\n<\/div>\n<\/span><\/p>\n<p><span style=\"font-weight: 400;\"><\/div><\/div><\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Key Takeaways: Decorators add reusable functionality\u2014like logging, authentication, timing\u2014to functions without cluttering core logic. Using functools.wraps keeps your decorated functions debuggable and documentable. Decorators can accept their own arguments and can be chained for advanced setups. Popular in frameworks, professional Python code relies on decorators for consistent, DRY patterns. Decorators, when used wisely, make your [&hellip;]<\/p>\n","protected":false},"author":93,"featured_media":25529114,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[802,1903,1904,1841,1888],"tags":[],"class_list":["post-25529112","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles","category-coding","category-entri-elevate","category-entri-skilling","category-python-programming"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to Implement and Use Decorators in Python? - Entri Blog<\/title>\n<meta name=\"description\" content=\"In this article, we will go over the following points and show you how to implement and use types of decorators in python.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/entri.app\/blog\/how-to-implement-and-use-decorators-in-python\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Implement and Use Decorators in Python? 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