Python--Web--using frames

There are a number of Python web frameworks:

Flask,django,zope2,web.py,web2py,pyramid,bottle, Tornado ...

Flask lightweight, relatively simple

 from Import  = Flask (__name__) @app. Route ("/")def Hello ():     return " Hello world! " if __name__ " __main__ " :    app.run ()

Example

 fromFlaskImportFlask fromFlaskImportRequestapp= Flask (__name__) @app. Route ('/', methods=['GET','POST'])defHome ():return ''@app. Route ('/signin', methods=['GET'])defsignin_form ():return " "<form action= "/signin" method= "POST" > <p><input name= "username" ></p> <p><input name= "password" type= "password" ></p> <p><button type= "Submit" >sign I N</button></p> </form>" "@app. Route ('/signin', methods=['POST'])defsignin ():#the form content needs to be read from the Request object:    ifrequest.form['username']=='Admin'  andrequest.form['Password']=='Password':        return ''    return ''if __name__=='__main__': App.run ()

Python--Web--using frames