External Exam Download Resources Web Applications Games Recycle Bin

To catch URL segments using application routes:

server.py

from flask import *
app = Flask(__name__)

@app.route("/")
@app.route("/<segment1>")
def main(segment1=None):
    if segment1 is not None:
        return("One segment: " + str(segment1))
    else:
        return("Base URL, no segments.") 
 
app.run(debug=True)

To set a default value for a segment, which can be overwritten by the URL:

def main(segment1=None):

With this server application running, try these URL paths:


server.py

from flask import *
app = Flask(__name__)

@app.route("/")
@app.route("/<segment1>")
@app.route("/<segment1>/<segment2>")
def main(segment1=None, segment2=None):
    if segment1 is not None:
        if segment2 is not None:
            return("Two segments, 2nd is: " + str(segment2))
        else:
            return("One segment: " + str(segment1)) 
    else:
        return("Base URL, no segments.")
    
app.run(debug=True)

With this server application running, try these URL paths: