main.py

from kivy.app import App
from kivy.uix.screenmanager import ScreenManager, Screen
from kivy.uix.boxlayout import BoxLayout
from kivy.uix.label import Label
from kivy.uix.button import Button
from kivy.uix.textinput import TextInput
from kivy.uix.scrollview import ScrollView

from kivy.core.window import Window


from instructions import txt_instruction, txt_test1, txt_test2, txt_test3, txt_sits
from ruffier import test

from seconds import Seconds
from sits import Sits
from runner import Runner

Window.clearcolor = (.87, 0.54, 0.8, 0.3)
btn_color = (0.98, 0.31, 0.8, 1)

age = 7
name = ""
p1, p2, p3 = 0, 0, 0


def check_int(str_num):
    # возвращает число или False, если строка не конвертируется
    try:
        return int(str_num)
    except:
        return False


class InstrScr(Screen):
    def __init__(self, **kwargs):
        super().__init__(**kwargs)

        instr = Label(text=txt_instruction)

        lbl1 = Label(text='Введите имя:', halign='right')
        self.in_name = TextInput(multiline=False)
        lbl2 = Label(text='Введите возраст:', halign='right')

        self.in_age = TextInput(text='7', multiline=False)
        self.btn = Button(text='Начать', size_hint=(0.3, 0.2), pos_hint={'center_x': 0.5})
        self.btn.background_color = btn_color
        self.btn.on_press = self.next

        line1 = BoxLayout(size_hint=(0.8, None), height='30sp')
        line2 = BoxLayout(size_hint=(0.8, None), height='30sp')
        line1.add_widget(lbl1)
        line1.add_widget(self.in_name)
        line2.add_widget(lbl2)
        line2.add_widget(self.in_age)

        outer = BoxLayout(orientation='vertical', padding=8, spacing=8)
        outer.add_widget(instr)
        outer.add_widget(line1)
        outer.add_widget(line2)
        outer.add_widget(self.btn)

        self.add_widget(outer)

    def next(self):
        global name
        name = self.in_name.text
        age = check_int(self.in_age.text)
        if age == False or age < 7:
            age = 7
            self.in_age.text = str(age)
        else:
            self.manager.current = 'pulse1'


class PulseScr(Screen):
    def __init__(self, **kwargs):
        super().__init__(**kwargs)
        self.next_screen = False

        instr = Label(text=txt_test1)
        self.lbl_sec = Seconds(15)
        self.lbl_sec.bind(done=self.sec_finished)

        line = BoxLayout(size_hint=(0.8, None), height='30sp')
        lbl_result = Label(text='Введите результат:', halign='right')
        self.in_result = TextInput(text='0', multiline=False)
        self.in_result.set_disabled(True)

        line.add_widget(lbl_result)
        line.add_widget(self.in_result)

        self.btn = Button(text='Начать', size_hint=(0.3, 0.4), pos_hint={'center_x': 0.5})
        self.btn.background_color = btn_color
        self.btn.on_press = self.next

        outer = BoxLayout(orientation='vertical', padding=8, spacing=8)
        outer.add_widget(instr)
        #outer.add_widget(lbl1)
        outer.add_widget(self.lbl_sec)
        outer.add_widget(line)
        outer.add_widget(self.btn)

        self.add_widget(outer)

    def sec_finished(self, *args):
        self.next_screen = True
        self.in_result.set_disabled(False)
        self.btn.set_disabled(False)
        self.btn.text = 'Продолжить'

    def next(self):
        if not self.next_screen:
            self.btn.set_disabled(True)
            self.lbl_sec.start()
        else:
            global p1
            p1 = check_int(self.in_result.text)
            if p1 == False or p1 <= 0:
                p1 = 0
                self.in_result.text = str(p1)
            else:
                self.manager.current = 'sits'


class CheckSits(Screen):
    def __init__(self, **kwargs):
        super().__init__(**kwargs)
        self.next_screen = False

        instr = Label(text=txt_sits, size_hint=(0.5, 1))
        self.lbl_sits = Sits(30)
        self.run = Runner(total=30, steptime=1.5, size_hint=(0.4, 1))
        self.run.bind(finished=self.run_finished)

        line = BoxLayout()
        vlay = BoxLayout(orientation='vertical', size_hint=(0.3, 1))
        vlay.add_widget(self.lbl_sits)
        line.add_widget(instr)
        line.add_widget(vlay)
        line.add_widget(self.run)

        self.btn = Button(text='Начать', size_hint=(0.3, 0.2), pos_hint={'center_x': 0.5})
        self.btn.background_color = btn_color
        self.btn.on_press = self.next

        outer = BoxLayout(orientation='vertical', padding=8, spacing=8)
        outer.add_widget(line)
        outer.add_widget(self.btn)

        self.add_widget(outer)

    def run_finished(self, instance, value):
        self.btn.set_disabled(False)
        self.btn.text = 'Продолжить'
        self.next_screen = True

    def next(self):
        if not self.next_screen:
            self.btn.set_disabled(True)
            self.run.start()
            self.run.bind(value=self.lbl_sits.next)
        else:
            self.manager.current = 'pulse2'

class PulseScr2(Screen):
    def __init__(self, **kwargs):
        self.next_screen = False

        self.stage = 0
        super().__init__(**kwargs)

        instr = Label(text=txt_test3)

        line1 = BoxLayout(size_hint=(0.8, None), height='30sp')
        self.lbl_sec = Seconds(15)
        self.lbl_sec.bind(done=self.sec_finished)
        self.lbl1 = Label(text='Считайте пульс')

        lbl_result1 = Label(text='Результат:', halign='right')
        self.in_result1 = TextInput(text='0', multiline=False)

        line1.add_widget(lbl_result1)
        line1.add_widget(self.in_result1)

        line2 = BoxLayout(size_hint=(0.8, None), height='30sp')
        lbl_result2 = Label(text='Результат после отдыха:', halign='right')
        self.in_result2 = TextInput(text='0', multiline=False)

        self.in_result1.set_disabled(True)
        self.in_result2.set_disabled(True)

        line2.add_widget(lbl_result2)
        line2.add_widget(self.in_result2)

        self.btn = Button(text='Начать', size_hint=(0.3, 0.5), pos_hint={'center_x': 0.5})
        self.btn.background_color = btn_color
        self.btn.on_press = self.next

        outer = BoxLayout(orientation='vertical', padding=8, spacing=8)
        outer.add_widget(instr)
        outer.add_widget(self.lbl1)
        outer.add_widget(self.lbl_sec)
        outer.add_widget(line1)
        outer.add_widget(line2)
        outer.add_widget(self.btn)

        self.add_widget(outer)

    def sec_finished(self, *args):
        if self.stage == 0:
            # закончили первый подсчет, отдыхаем
            self.lbl1.text = 'Отдыхайте'
            self.lbl_sec.restart1(60)
            self.in_result1.set_disabled(False)
            self.stage=1
        elif self.stage == 1:
            # закончили отдых, считаем
            self.lbl1.text = 'Считайте пульс'
            self.lbl_sec.restart2(45)
            self.stage=2
        elif self.stage == 2:
            self.in_result2.set_disabled(False)
            self.btn.set_disabled(False)
            self.btn.text = 'Завершить'
            self.next_screen = True

    def next(self):
        if not self.next_screen:
            self.btn.set_disabled(True)
            self.lbl_sec.start()
        else:
            global p2, p3
            p2 = check_int(self.in_result1.text)
            p3 = check_int(self.in_result2.text)
            if p2 == False:
                p2 = 0
                self.in_result1.text = str(p2)
            elif p3 == False:
                p3 = 0
                self.in_result2.text = str(p3)
            else:
                # переходим
                self.manager.current = 'result'

class Result(Screen):
    def __init__(self, **kwargs):
        super().__init__(**kwargs)

        self.outer = BoxLayout(orientation='vertical', padding=8, spacing=8)
        self.instr = Label(text='')
        self.outer.add_widget(self.instr)

        self.add_widget(self.outer)
        self.on_enter = self.before

    def before(self):
        global name
        self.instr.text = name + '\n' + test(p1, p2, p3, age)


class HeartCheck(App):
    def build(self):
        sm = ScreenManager()
        sm.add_widget(InstrScr(name='instr'))
        sm.add_widget(PulseScr(name='pulse1'))
        sm.add_widget(CheckSits(name='sits'))
        sm.add_widget(PulseScr2(name='pulse2'))
        sm.add_widget(Result(name='result'))
        return sm


app = HeartCheck()
app.run()