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‎LICENSE

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MIT License
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Copyright (c) 2017 Mohamed Feddad
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.

‎LICENSE.txt

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MIT License
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Copyright (c) 2017 Mohamed Feddad
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.

‎README.md

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<h1 align='center'> flask_minify </h1>
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<h4 align='center'>A Flask extension to minify flask response for html, javascript, css and less compilation as well.</h4>
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## Install:
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#### - With pip
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> - `pip install Flask-Minify` <br />
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#### - From the source:
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> - `git clone https://github.com/mrf345/flask_minify.git`<br />
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> - `cd flask_minify` <br />
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> - `python setup.py install`
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## Setup:
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#### - Inside Flask app:
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```python
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from flask import Flask
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from flask_minify import minify
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app = Flask(__name__)
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minify(app=app)
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```
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#### - Result:
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> Before:
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```html
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<html>
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<head>
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<script>
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if (true) {
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console.log('working !')
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}
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</script>
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<style>
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body {
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background-color: red;
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}
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</style>
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</head>
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<body>
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<h1>Flask-Less Example !</h1>
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</body>
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</html>
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```
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> After:
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```html
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<html> <head><script>if(true){console.log('working !')}</script><style>body{background-color:red;}</style></head> <body> <h1>Flask-Less Example !</h1> </body> </html>
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```
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## Options:
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```python
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def __init__(self,
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app=None,
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html=True,
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js=False,
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cssless=True):
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"""
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A Flask extension to minify flask response for html,
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javascript, css and less.
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@param: app Flask app instance to be passed (default:None).
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@param: js To minify the css output (default:False).
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@param: cssless To minify spaces in css (default:True).
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"""
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```
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## Credit:
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> - [htmlmin][1322354e]: HTML python minifier.
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> - [lesscpy][1322353e]: Python less compiler and css minifier.
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> - [jsmin][1322355e]: JavaScript python minifier.
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[1322353e]: https://github.com/lesscpy/lesscpy "lesscpy repo"
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[1322354e]: https://github.com/mankyd/htmlmin "htmlmin repo"
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[1322355e]: https://github.com/tikitu/jsmin "jsmin repo"

‎example.py

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from flask import Flask, render_template
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from flask_minify import minify
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from atexit import register
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from os import remove
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app = Flask(__name__, template_folder='.')
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minify(app=app, js=True)
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def cleanUp():
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try:
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remove('index.html')
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except Exception:
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pass
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register(cleanUp)
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@app.route('/')
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def root():
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with open('index.html', 'w+') as file:
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file.write("<html>\n<head>\n")
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file.write("<script>\nif (true) {\n\tconsole.log('working !')\n}\n</script>")
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file.write("<style>\nbody\n{\n\tbackground-color: red;\n}\n</style>")
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file.write("\n</head>\n<body>\n<h1>Flask-Less Example !</h1>\n</body>\n</html>\n")
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return render_template('index.html')
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app.run(debug=True, port=4000)

‎flask_minify/__init__.py

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from os import remove, path, name as osName
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from lesscpy import compile
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from jsmin import jsmin
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from six import StringIO
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from htmlmin import minify as minifyHtml
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# Fixing file not found for py2
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from sys import version_info
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if version_info.major == 2:
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FileNotFoundError = IOError
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class minify(object):
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def __init__(self, app=None, html=True, js=False, cssless=True):
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"""
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A Flask extension to minify flask response for html,
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javascript, css and less.
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@param: app Flask app instance to be passed (default:None).
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@param: js To minify the css output (default:False).
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@param: cssless To minify spaces in css (default:True).
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"""
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self.app = app
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self.html = html
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self.js = js
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self.cssless = cssless
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self.tags = []
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if self.js:
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self.tags.append('script')
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if self.cssless:
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self.tags.append('style')
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if self.app is None:
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raise(AttributeError("minify(app=) requires Flask app instance"))
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for arg in [
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['cssless', cssless],
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['js', js]]:
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if not isinstance(arg[1], bool):
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raise(TypeError("minify(" + arg[0] + "=) requires True or False"))
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app.after_request(self.toLoopTag)
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def toLoopTag(self, response):
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if response.content_type == u'text/html; charset=utf-8':
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response.direct_passthrough = False
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text = response.get_data(as_text=True)
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for tag in self.tags:
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tagType = 'javascript' if tag == 'script' else 'css'
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if '<' + tag + ' type="' + tagType + '">' in text or '<' + tag + '>' in text:
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for i in range(1, len(text.split('<' + tag))):
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toReplace = text.split('<' + tag, i)[i].split('</' + tag + '>')[0]
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if 'type="text/' + tagType + '"' in toReplace:
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toReplace = toReplace.replace('type="text/' + tag + '"', '')
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if toReplace[:1] == '>':
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toReplace = toReplace[1:]
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if tag == 'style':
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text = text.replace(toReplace, compile(StringIO(toReplace), minify=True))
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elif tag == 'script':
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text = text.replace(toReplace, jsmin(toReplace).replace('\n', ';'))
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if self.html:
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response.set_data(minifyHtml(text))
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else:
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response.set_data(text)
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return response

‎setup.cfg

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[metadata]
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description-file = README.md

‎setup.py

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"""
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Flask-Minify
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-------------
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A Flask extension to minify flask response for html,
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javascript, css and less compilation as well.
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"""
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from setuptools import setup
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setup(
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name='Flask-Minify',
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version='0.1',
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url='https://github.com/mrf345/flask_minify/',
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download_url='https://github.com/mrf345/flask_minify/archive/0.1.tar.gz',
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license='MIT',
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author='Mohamed Feddad',
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author_email='[email protected]',
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description='flask extension to minify html, css, js and less',
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long_description=__doc__,
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py_modules=['minify'],
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packages=['flask_minify'],
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zip_safe=False,
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include_package_data=True,
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platforms='any',
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install_requires=[
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'Flask',
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'htmlmin',
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'jsmin',
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'lesscpy'
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],
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keywords=['flask', 'extension', 'minifer', 'htmlmin', 'lesscpy',
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'jsmin', 'html', 'js', 'less', 'css'],
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classifiers=[
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'Environment :: Web Environment',
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'Intended Audience :: Developers',
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'License :: OSI Approved :: MIT License',
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'Operating System :: OS Independent',
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'Programming Language :: Python',
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'Topic :: Internet :: WWW/HTTP :: Dynamic Content',
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'Topic :: Software Development :: Libraries :: Python Modules'
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]
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)

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