rollerverbrauch/app/routes/misc.py

from flask import render_template
from flask_security import login_required
from flask_security.core import current_user

from ..tools import VehicleStats
from .. import app


@app.route("/statistics", methods=["GET"])
@login_required
def get_statistics():
    stats = []

    def key(v):
        return (not v.is_active, v.name)

    vehicles = sorted(current_user.vehicles, key=key)
    for vehicle in vehicles:
        stats.append(VehicleStats(vehicle))
    return render_template("statistics.html", data=stats)