trying random python w/ Motors!

#!/usr/bin/python3

from flask import Flask, render_template
import Adafruit_BBIO.GPIO as GPIO
import Adafruit_BBIO.PWM as PWM
from time import sleep

class Motor:
    def __init__(self, dir_pin, pwm_pin, pwm_freq):
        self.dir_pin = dir_pin
        self.pwm_pin = pwm_pin
        self.value = 0

        PWM.start(pwm_pin, 0, pwm_freq)
        GPIO.setup(dir_pin, GPIO.OUT)

    def set(self, value):
        if value == self.value:
            return

        assert -100 <= value <= 100

        if (value < 0) != (self.value < 0):
            # changing direction
            PWM.set_duty_cycle(self.pwm_pin, 0)
            GPIO.output(self.dir_pin, value < 0)

        PWM.set_duty_cycle(self.pwm_pin, abs(value))
        self.value = value

motor1 = Motor(dir_pin="P8_18", pwm_pin="P9_16", pwm_freq=1000)
motor2 = Motor(dir_pin="P8_16", pwm_pin="P9_14", pwm_freq=1000)
motor3 = Motor(dir_pin="P8_14", pwm_pin="P8_13", pwm_freq=1000)
motor4 = Motor(dir_pin="P8_26", pwm_pin="P8_19", pwm_freq=1000)

def set_motorOne(v1):
    motor1.set(v1)

def set_motorTwo(v2):
    motor2.set(v2)

def set_motorThree(v3):
    motor3.set(v3)

def set_motorFour(v4):
    motor4.set(v4)

app = Flask(__name__)

@app.route("/")
def homepage(title="homepage"):
    return render_template("BootGoOne.html", title=title)

def add_motors_routeOne(state, v1):
    @app.route("/" + state, endpoint=state)
    def handlerOne():
        set_motorOne(v1)
        if add_motors_routeOne == 0:
            PWM.stop("P9_16") # causes many errors like the rest of PWM.stop("Px_xx") for v1 through v4!
        else:
            pass

        return homepage(title=state)

add_motors_routeOne("0",   0)
add_motors_routeOne('40', 40)
add_motors_routeOne('50', 50)
add_motors_routeOne('60', 60)
add_motors_routeOne('70', 70)
add_motors_routeOne('80', 80)
add_motors_routeOne('90', 90)
add_motors_routeOne('100', 100)

add_motors_routeOne('-40', -40)
add_motors_routeOne('-50', -50)
add_motors_routeOne('-60', -60)
add_motors_routeOne('-70', -70)
add_motors_routeOne('-80', -80)
add_motors_routeOne('-90', -90)
add_motors_routeOne('-100', -100)

def add_motors_routeTwo(state, v2):
    @app.route("/" + state, endpoint=state)
    def handlerTwo():
        set_motorTwo(v2)
        if add_motors_routeTwo == 0:
            PWM.stop("P9_14")
        else:
            pass
        return homepage(title=state)

add_motors_routeTwo("0",   0)
add_motors_routeTwo('41', 41)
add_motors_routeTwo('51', 51)
add_motors_routeTwo('61', 61)
add_motors_routeTwo('71', 71)
add_motors_routeTwo('81', 81)
add_motors_routeTwo('91', 91)

add_motors_routeTwo('-41', -41)
add_motors_routeTwo('-51', -51)
add_motors_routeTwo('-61', -61)
add_motors_routeTwo('-71', -71)
add_motors_routeTwo('-81', -81)
add_motors_routeTwo('-91', -91)

def add_motors_routeThree(state, v3):
    @app.route("/" + state, endpoint=state)
    def handlerThree():
        set_motorThree(v3)
        if add_motors_routeThree == 0:
            PWM.stop("P8_13")
        return homepage(title=state)

add_motors_routeThree("0",   0)
add_motors_routeThree('42', 52)
add_motors_routeThree('52', 62)
add_motors_routeThree('62', 72)
add_motors_routeThree('72', 82)
add_motors_routeThree('82', 92)
add_motors_routeThree('92', 92)

add_motors_routeThree('-42', -42)
add_motors_routeThree('-52', -52)
add_motors_routeThree('-62', -62)
add_motors_routeThree('-72', -72)
add_motors_routeThree('-82', -82)
add_motors_routeThree('-92', -92)

def add_motors_routeFour(state, v4):
    @app.route("/" + state, endpoint=state)
    def handlerFour():
        set_motorFour(v4)
        if add_motors_routeFour == 0:
            PWM.stop("P8_19")
        else:
            pass
        return homepage(title=state)

add_motors_routeFour("0",   0)
add_motors_routeFour('43', 43)
add_motors_routeFour('53', 53)
add_motors_routeFour('63', 63)
add_motors_routeFour('73', 73)
add_motors_routeFour('83', 83)
add_motors_routeFour('93', 93)

add_motors_routeFour('-43', -43)
add_motors_routeFour('-53', -53)
add_motors_routeFour('-63', -63)
add_motors_routeFour('-73', -73)
add_motors_routeFour('-83', -83)
add_motors_routeFour('-93', -93)

if __name__ == "__main__":
    app.run(host="0.0.0.0", port=5000, debug=False)