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Upnl 24th workshop kim jae chan
Introduction to Flask Upnl 24th workshop kim jae chan
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Flask
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Python
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Python werkzeug based
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Python werkzeug based microframework
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Python werkzeug based microframework
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Python?
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Guido van Rossum
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Guido van Rossum
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Guido van Rossum Google
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Guido van Rossum Google 2013- Dropbox
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Guido van Rossum Script
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Guido van Rossum Script Easy
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Guido van Rossum Script Easy Popular
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def factorial(x): return x <= 0 and 1 or factorial(x-1) * x if __name__ == '__main__': print factorial(100)
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def factorial(x): return x <= 0 and 1 or factorial(x-1) * x if __name__ == '__main__': print factorial(100) def factorial(x): return reduce(lambda x, y: x * y, range(1, x+1)) if __name__ == '__main__': print factorial(100)
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def factorial(x): return x <= 0 and 1 or factorial(x-1) * x if __name__ == '__main__': print factorial(100) def factorial(x): return reduce(lambda x, y: x * y, range(1, x+1)) if __name__ == '__main__': print factorial(100) def factorial(x): result = 1 for i in range(1, x+1): result *= i return result if __name__ == '__main__': print factorial(100)
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Python werkzeug based microframework
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Werkzeug 벡ㅋ차이크 비슷하게 발음. 독일어로 ‘도구＇라는 뜻
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One of WSGI implementation
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WSGI?
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Web Server Gateway Interface
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Web Server Python Application Python Framework
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Web Server Python Application Python Framework Request
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Web Server Python Application Python Framework Request Response
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WSGI Request Python Application Web Server Python Framework Response
WSGI는 약속. 이걸 구현한 것 중 하나가 werkzeug Response
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Python werkzeug based microframework
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Microframework
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Micro + framework
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Micro
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django pip install django
django-admin.py startproject <project_name> cd <project_name> coding.. python manage.py runserver
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django ASP.NET Create project in Visual Studio.
pip install django django-admin.py startproject <project_name> cd <project_name> coding.. python manage.py runserver ASP.NET Create project in Visual Studio. Many, many files are automatically created. But almost files are useless. coding.. Press F5 to debug
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Flask pip install flask Open vim coding.. ??? PROFIT!
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micro != lack of feature
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micro != lack of feature start quickly
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micro != lack of feature start quickly simple to use
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micro != lack of feature start quickly simple to use structural flexibility
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micro != lack of feature start quickly simple to use structural flexibility extendable
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Examples
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app.py from flask import Flask app = Flask(__name__) @app.route('/')
def index(): return u‘Hello, World!' if __name__ == '__main__': app.run(debug=True)
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app.py from flask import Flask app = Flask(__name__) @app.route('/')
def index(): return u'Hello, World!‘ @app.route('/<name>') def index_name(name): return u'Hello, ' + name if __name__ == '__main__': app.run(debug=True)
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app.py from flask import Flask app = Flask(__name__) @app.route('/')
def index(): return u'Hello, World!‘ @app.route('/<name>') @app.route('/<name>/<int:times>') def index_name(name, times=None): if not times: times = 1 return (u'Hello, ' + name + '! ') * times if __name__ == '__main__': app.run(debug=True)
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I want to create HTML page!
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templates/index.html <!doctype html> <html> <head>
<meta charset="utf-8" /> <title>TestPage</title> </head> <body> <h1>{{ content }}<h1> </body> </html>
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templates/index.html app.py <!doctype html> <html>
<head> <meta charset="utf-8" /> <title>TestPage</title> </head> <body> <h1>{{ content }}<h1> </body> </html> app.py from flask import Flask, render_template app = Flask(__name__) @app.route('/') def index(): return render_template('index.html', content=u'Hello, World!') @app.route('/<name>') @app.route('/<name>/<int:times>') def index_name(name, times=None): if not times: times = 1 content = (u'Hello, ' + name + '! ') * times return render_template('index.html', content=content) if __name__ == '__main__': app.run(debug=True)
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Conclusion
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Web development is easy to start
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Web development is easy to start
Flask is useful tool
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Web development is easy to start
Flask is useful tool Python is also good tool
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Web development is easy to start
Flask is useful tool Python is also good tool Don’t be afraid of web
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Most important thing is
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Most important thing is
Your idea.
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Reference http://python.org http://flask.pocoo.org
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