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app.py

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from flask import Flask, render_template, redirect, request

import random

import string

import json

app = Flask(__name__)

shortened_urls = {}

def generate_short_url(length=6):

chars = string.ascii_letters + string.digits

short_url = "".join(random.choice(chars) for _ in range(length))

return short_url

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

def index():

if request.method == "POST":

long_url = request.form['long_url']

short_url = generate_short_url()

while short_url in shortened_urls:

short_url = generate_short_url()

shortened_urls[short_url] = long_url

# Save the shortened_urls dictionary to a JSON file

with open("myurls.json", "w") as file:

json.dump(shortened_urls, file) # Corrected this line

return f"Shortened URL: {request.url_root}{short_url}"

return render_template("index.html")

# Pass the shortened_urls dictionary to the template context

return render_template("index.html", shortened_urls=shortened_urls)

@app.route("/<short_url>")

def redirect_url(short_url):

long_url = shortened_urls.get(short_url)

if long_url:

return redirect(long_url)

else:

return "URL not found", 404

if __name__ == "__main__":

app.run(host='0.0.0.0', port=5000, debug=True)