Flask fast server

fast_server.py

import os
from flask import Flask, send_from_directory, redirect, abort
app = Flask(__name__)

@app.route('/')
@app.route('/<path:filepath>')
def data(filepath="index"):
	p = os.path.join("data", filepath)
	if os.path.exists(p):
		if os.path.isfile(p):
			return send_from_directory('data', filepath)

		if filepath[-1] != "/":
			return redirect("/" + filepath + "/")

	if os.path.isfile(os.path.join(p, "index.html")):
		return send_from_directory('data', os.path.join(filepath, "index.html"))
	if os.path.isfile(p + ".html"):
		return send_from_directory('data', filepath + ".html")
	if os.path.basename(filepath).endswith(".html"):
		return redirect("/" + filepath.removesuffix('.html'))
	if os.path.basename(filepath) == "index":
		return redirect("/" + os.path.dirname(filepath) + "/")

	abort(404)

if __name__ == '__main__':
	app.run(host='0.0.0.0', port='80')