Working YouTube Downloader under construction

from kivy.uix.label import Label
from kivy.uix.textinput import TextInput
from kivy.uix.button import Button
from kivy.app import App
from kivy.uix.popup import Popup
from kivy.uix.floatlayout import FloatLayout
from kivy.uix.scrollview import ScrollView
from pytube import YouTube





class Layout(FloatLayout):
	def __init__(self, **kwargs):
		super().__init__(**kwargs)
		self.vids = []
		self.label_banner = Label(text='YouTube Downloader', size_hint=(None,None), size=(180,50),
		pos_hint={'top':0.98, 'center_x':0.5}, font_size=40)
		self.label_url = Label(text='URL', size_hint=(None,None), size=(180,50),
		pos_hint={'top':0.87, 'center_x':0.5})
		self.txtin_url = TextInput(text='', size_hint=(None,None), size=(620,130),
		pos_hint={'top':0.81, 'center_x':0.5})
		self.label_url = Label(text='URL', size_hint=(None,None), size=(180,50),
		pos_hint={'top':0.87, 'center_x':0.5})
		self.btn_go = Button(text='Go', size_hint=(None,None), size=(180,70),
		pos_hint={'top':0.68, 'center_x':0.5},
		on_release=self.process, on_press=self.wait)
		self.label_url = Label(text='URL', size_hint=(None,None), size=(180,50),
		pos_hint={'top':0.87, 'center_x':0.5})
		self.popup1 = Popup(title='In-progress',content=Label(text='Please wait\nThis might take\n5 mins'), size_hint=(0.6,0.6), pos_hint={'top':0.75, 'center_x':0.5},auto_dismiss=True)
		self.popup2 = Popup(title='Done',content=Label(text='Done!'), size_hint=(0.6,0.6), pos_hint={'top':0.75, 'center_x':0.5},auto_dismiss=True)
		self.popup3 = Popup(title='Error',content=Label(text='Error!'), size_hint=(0.6,0.6), pos_hint={'top':0.75, 'center_x':0.5},auto_dismiss=True)
		self.txtin_result = TextInput(text='', size_hint=(1,None), height=1050,
		pos_hint={'top':0.60, 'center_x':0.5})
		self.sv = ScrollView(size_hint=(1,None), height=400, pos_hint={'top':0.60,'center_x':0.5})
		self.label_vq= Label(text='Stream Quality No:', size_hint=(None,None), size=(180,40),
		pos_hint={'top':0.25, 'x':0.06})
		self.txtin_vq= TextInput(text='', size_hint=(None,None), size=(100,50),
		pos_hint={'top':0.25, 'x':0.36})
		self.label_dp= Label(text='Download path:', size_hint=(None,None), size=(160,40),
		pos_hint={'top':0.17, 'x':0.04})
		self.label_dp2= Label(text='Check C: drive for downloads', size_hint=(None,None), size=(460,120),
		pos_hint={'top':0.20, 'x':0.31},color=(0,1,0,1))
		self.btn_d= Button(text='Download', size_hint=(None,None), size=(200,60),
		pos_hint={'top':0.08, 'center_x':0.50},
		on_press=self.wait2, on_release=self.process2)











		self.sv.add_widget(self.txtin_result)



		self.add_widget(self.label_banner)
		self.add_widget(self.label_url)
		self.add_widget(self.txtin_url)
		self.add_widget(self.sv)
		self.add_widget(self.btn_go)
		self.add_widget(self.label_vq)
		self.add_widget(self.txtin_vq)
		self.add_widget(self.label_dp)
		self.add_widget(self.label_dp2)
		self.add_widget(self.btn_d)







	def process(self, *args):
		try:
			yt = YouTube(self.txtin_url.text)
			items = yt.streams.all()
		except:
			self.popup3.open()
		else:
			for x in items:
				self.vids.append(x)
			self.popup2.open()
			for vid in self.vids:
				self.txtin_result.text += str(vid) + '\n'




	def wait(self, *args):
		try:
			if len(self.txtin_url.text) > 0:
				self.popup1.open()
		except:
			self.popup3.open()
		else:
			pass

	def wait2(self, *args):
		if len(self.txtin_url.text) > 7:
			self.popup1.open()

	def process2(self, *args):
		try:
			num = self.txtin_vq.text
			num = int(num)
			self.vids[num].download()
		except:
			self.popup3.open()
		else:
			self.vids[num].download()
			self.popup2.open()

















class Main(App):
	def build(self, *args):
		return Layout()



app = Main()
app.run()