Сократите HTML в Flask с помощью Flask-Minify

Flask предлагает рендеринг HTML в качестве вывода, обычно желательно, чтобы выходной HTML был кратким и также служил цели. В этой статье мы покажем минификацию маршрутов вывода ответов Flask с помощью библиотеки — Flask-Minify.

Преимущества минификации

Веб-сайты загружаются быстрее, так как меньше строк для загрузки и скачивания.
Стоимость полосы пропускания уменьшается, поскольку по сети передается меньше данных.
Перед использованием декомпрессия не требуется.
По мере того, как сайт загружается быстрее, улучшаются также UX и SEO.

Содержание

Installation
Пошаговая реализация
Шаг 1. Импорт библиотек и инициализация Minify с контекстом приложения.
Шаг 2: Добавление маршрута, выведите HTML с уменьшенным кодом.
Шаг 3: Запуск приложения
Пример 2: Применение минификации к некоторым маршрутам

Installation

Чтобы установить этот модуль, введите следующую команду в терминале.

pip install Flask-Minify

Используемая функция: minify (self, app = None, html = True, js = True, cssless = True, fail_safe = True, bypass = [], passive = False, static = True, script_types = [])

Параметры:

app:запускаемый экземпляр приложения
js:минимизировать js или нет.
cssless:минимизировать css или нет.
fail_safe:чтобы избежать ошибки при минимизации.
bypass:Список конечных точек для обхода минимизации.
пассивный: выборочно минимизировать маршруты
static:чтобы включить минимизацию статических файлов css, less и js.
script_types:список типов скриптов для ограничения минификации js.

Пошаговая реализация

Шаг 1. Импорт библиотек и инициализация Minify с контекстом приложения.

from flask import Flask

from flask_minify import minify

app = Flask(__name__)

# initializing minify for html, js and cssless

minify(app=app, html=True, js=True, cssless=True)

Шаг 2: Добавление маршрута, выведите HTML с уменьшенным кодом.

@app.route('/')

def sample_minify():

    return """<!doctype html>

<html lang=en-us prefix="og: http://ogp.me/ns#">

<meta charset=utf-8>

<meta name=viewport content="width=device-width,initial-scale=1,maximum-scale=1">

<meta name=description content="A Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions.">

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<meta name=theme-color content="#308D46">

<meta property="og:image" content="https://media.geeksforgeeks.org/wp-content/cdn-uploads/gfg_200x200-min.png">

<meta property="og:image:type" content="image/png">

<meta property="og:image:width" content="200">

<meta property="og:image:height" content="200">

<script defer src=https://apis.google.com/js/platform.js></script>

<script async src=//cdnjs.cloudflare.com/ajax/libs/require.js/2.1.14/require.min.js></script>

<script async src="//translate.google.com/translate_a/element.js?cb=googleTranslateElementInit"></script>

<link rel=stylesheet href=https://use.typekit.net/mrg0hpc.css>

<title>GeeksforGeeks | A computer science portal for geeks</title>

<link rel=profile href=http://gmpg.org/xfn/11>

<link rel=pingback href>

<script type=application/ld+json>

    <span>Python Tutorial</span>

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Шаг 3: Запуск приложения

if __name__ == "__main__":

app.run()

Выход :

Пример 2: Применение минификации к некоторым маршрутам

При этом мы можем выполнять минификацию только на требуемых маршрутах, а не на всех, в соответствии с требованиями. Это делается путем передачи «passive = True» при передаче контекста.

from flask import Flask

from flask_minify import minify, decorators

app = Flask(__name__)

# passive = True, just performs minification to required routes

minify(app=app, passive=True)

# minifies this route

@app.route('/')

@decorators.minify(html=True, js=True, cssless=True)

def sample_minify():

    return """<!doctype html>

<html lang=en-us prefix="og: http://ogp.me/ns#">

<meta charset=utf-8>

<meta name=viewport content="width=device-width,initial-scale=1,maximum-scale=1">

<meta name=description content="A Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions.">

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<meta property="og:image:type" content="image/png">

<meta property="og:image:width" content="200">

<meta property="og:image:height" content="200">

<script defer src=https://apis.google.com/js/platform.js></script>

<script async src=//cdnjs.cloudflare.com/ajax/libs/require.js/2.1.14/require.min.js></script>

<script async src="//translate.google.com/translate_a/element.js?cb=googleTranslateElementInit"></script>

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