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from flask import Flask,render_template,request
from fib_gen import fib_generator
import logging
logging.basicConfig( format='%(asctime)-15s [%(levelname)s] %(funcName)s: %(message)s', level=logging.DEBUG)
app = Flask(__name__)
@app.route('/')
def index():
return render_template('index.html')
@app.route('/fib',methods=['GET','POST'])
def fib():
fibg = fib_generator()
result = ''
logging.debug(f'request.method={request.method}')
if request.method == 'POST':
element = request.form['element']
logging.debug(f'berechne Element:{element}')
n= int(element)
#formel= str(n-2) + '+' + str(n-1)
formel = '' # Berechnungsformel initialisieren.
if element != None:
for i in range(n+1):
fib = next(fibg)
if i == n-2: # fib(n-2) zur Berechnungsformel dazu
formel += str(fib)
if i == n-1: # fib(n-1) mit + Zeichen zur Berechnungsformel dazu
formel += '+' + str(fib)
logging.debug(f'Fibonacci-Zahl: {fib}')
logging.debug(f'formel={formel}')
result=str(fib)
elif request.method == 'GET':
logging.debug('GET-Request')
return render_template('index.html', result=result,formel=formel)
if __name__ == '__main__':
app.run(host='0.0.0.0',port=8085, debug=True)