pythonstudy/flask/hello.py at master · seven/pythonstudy · GitHub

33 lines (28 loc) · 959 Bytes

from flask import Flask, session, redirect, url_for, escape, request

app = Flask(__name__)

app.config['DEBUG'] = True

@app.route('/')

def index():

if 'username' in session:

return 'Logged in as %s' % escape(session['username'])

return 'You are not logged in'

@app.route('/login', methods=['GET', 'POST'])

def login():

if request.method == 'POST':

session['username'] = request.form['username']

return redirect(url_for('index'))

return '''

</form>

'''

@app.route('/logout')

def logout():

# remove the username from the session if it's there

session.pop('username', None)

return redirect(url_for('index'))

# set the secret key. keep this really secret:

app.secret_key = 'A0Zr98j/3yX R~XHH!jmN]LWX/,?RT'

if __name__ == '__main__':

app.run(host='0.0.0.0')

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