myCar/myCar.py

#!/usr/bin/python3

from flask import Flask
from flask import url_for
from flask import render_template
from flask import request
app = Flask(__name__)


@app.route('/')
def myCar_root():
    return 'myCar project Page'

@app.route('/bluetooth/controller')
def myCar_bluetooth_controller():
    # this method will return available bluetooth devices as a list for the web template output
    import bluew
    #return len(bluew.controllers())
    return render_template('bluetooth/controller.html', bt_ctrl=bluew.controllers())

@app.route('/bluetooth/devices')
def myCar_bluetooth_devices():
    # this method will return available bluetooth devices as a list for the web template output
    import bluew
    #return len(bluew.controllers())
    bt_ctrl_powered = False

    for dev in bluew.controllers():
        if dev.Powered == True:
            bt_ctrl_powered = True
    
    if bt_ctrl_powered == False:
        return render_template('bluetooth/controller.html', bt_ctrl=bluew.controllers(), bt_error="All Bluetooth Adapters are powered off")
    else:
        return render_template('bluetooth/devices.html', bt_dev=bluew.devices())

@app.route('/bluetooth/connect', methods=['POST'])
def myCar_bluetooth_connect():
    # this method will connect to a bt device in the following order:
    #   - pair
    #   - trust
    #   - connect
    #try:
    #    request
    #except NameError:
    #    request = None

    try:
        if request is not None:
            
            import bluew

            #try:
            bt_dst_mac = request.form['bt_dst_mac']
            # pair
            bluew.pair(bt_dst_mac)

            # trust
            bluew.trust(bt_dst_mac)

            # connect
            bluew.connect(bt_dst_mac)

            retstr = 'connected to '.join(bt_dst_mac)

        else:
            ret = 'Mac Address not provided'
    except NameError:
        ret = render_template('bluetooth/devices.html', bt_dev=bluew.devices(),bt_error="No MAC provided to connect to")
    except bluew.errors.DeviceNotAvailable:
        ret = render_template('bluetooth/devices.html', bt_dev=bluew.devices(),bt_error='Bluetooth device ' + bt_dst_mac +' is not available')

    return ret