This is my kv file
<GetAccount>:
Button:
id: refresh
ang: 0
background_normal: 'static/refresh.png'
size_hint: None, None
size: sp(50), sp(50)
pos_hint: {'center_y': .96, 'center_x': .8}
on_press: root.clean()
canvas.before:
Rotate:
angle: self.ang
origin: self.center
some logic and dynamic contents in python code
class GetAccount(FloatLayout):
keyandnick = ObjectProperty(KeyAndNick())
account = ObjectProperty(Account())
def __init__(self, **kargs):
super(GetAccount, self).__init__(**kargs)
layout = StackLayout(size_hint_y=None)
layout.bind(minimum_height=layout.setter('height'))
nicks = self.keyandnick.get_nicks()
for nick in nicks:
layout.add_widget(Button(text=str(nick[0]), size_hint_y=None, height=sp(60), on_press=self.ask_for_key))
scroll = ScrollView(size_hint=(1, .9), bar_width=sp(5), bar_inactive_color=[.7, .7, .7, .5])
scroll.add_widget(layout)
self.add_widget(scroll)
def ask_for_key(self, obj):
self.clear_widgets()
self.account_name = obj.text
boxlayout = BoxLayout(size_hint=(1, .4), orientation='vertical', pos_hint={'center_y': .5})
self.key = TextInput(pos_hint={'center_y': .5}, hint_text='Key', font_size=sp(30), password=True)
boxlayout.add_widget(self.key)
boxlayout.add_widget(Button(text='Get Account', font_size=sp(30), on_press=self.get_account))
boxlayout.add_widget(Button(text='Delete Account', pos_hint={'center_x': .5}, font_size=sp(30), on_press=self.delete_account))
popup = Popup(title=self.account_name, content=boxlayout, size_hint=(1, .7))
popup.bind(on_dismiss=self.clear)
popup.open()
def get_account(self, obj):
if self.keyandnick.check_key(self.key.text):
self.clear_widgets()
boxlayout = BoxLayout(orientation='vertical', size_hint=(1, .6), pos_hint={'center_y': .5})
_account = self.account.get_account(self.account_name)
a = True
for data in _account:
if a:
boxlayout.add_widget(Label(text=data, font_size=sp(30), bold=True, underline=True))
a = False
else:
boxlayout.add_widget(Label(text=data, font_size=sp(20)))
popup = Popup(title=self.account_name, content=boxlayout, size_hint=(1, .7))
popup.open()
else:
self.key.background_color = [0, 0, 255, 0.3]
def clean(self):
animation = Animation(ang=360)
animation.start(self.ids.refresh)
animation.bind(on_complete=self.clear)
def clear(self, a, b):
self.clear_widgets()
self.add_widget(GetAccount())
def delete_account(self, obj):
if self.keyandnick.check_key(self.key.text):
self.account.delete_account(self.account_name)
self.keyandnick.del_nick(self.account_name)
else:
self.key.background_color = [0, 0, 255, 0.3]
when i pressed button which has id -> refresh (defined in kv) it works fine but in third time it gives error:
Exception in thread Thread-1: Traceback (most recent call last):
File "/usr/lib/python3.5/threading.py", line 914, in _bootstrap_inner self.run() File "/usr/lib/python3.5/threading.py", line 862, in run self._target(*self._args, **self._kwargs) File "/home/ubuntu/.py-3.5.2/lib/python3.5/site-packages/kivy/input/providers/mtdev.py", line 197, in _thread_run _device = Device(_fn) File "/home/ubuntu/.py-3.5.2/lib/python3.5/site-packages/kivy/lib/mtdev.py", line 131, in init self._fd = os.open(filename, os.O_NONBLOCK | os.O_RDONLY) PermissionError: [Errno 13] Permission denied: '/dev/input/event6'
animation = Animation(ang=360) animation.start(self.ids.refresh) animation.bind(on_complete=self.clear) animation end. animation = Animation(ang=360) animation.start(self.ids.refresh) animation.bind(on_complete=self.clear) animation end. [INFO ] [Base
] Leaving application in progress... Traceback (most recent call last): File "main.py", line 146, in AccountMaintainerApp().run() File "/home/ubuntu/.py-3.5.2/lib/python3.5/site-packages/kivy/app.py", line 824, in run runTouchApp() File "/home/ubuntu/.py-3.5.2/lib/python3.5/site-packages/kivy/base.py", line 487, in runTouchApp EventLoop.window.mainloop() File "/home/ubuntu/.py-3.5.2/lib/python3.5/site-packages/kivy/core/window/window_sdl2.py", line 525, in mainloop self._mainloop() File "/home/ubuntu/.py-3.5.2/lib/python3.5/site-packages/kivy/core/window/window_sdl2.py", line 290, in _mainloop EventLoop.idle() File "/home/ubuntu/.py-3.5.2/lib/python3.5/site-packages/kivy/base.py", line 327, in idle Clock.tick() File "/home/ubuntu/.py-3.5.2/lib/python3.5/site-packages/kivy/clock.py", line 483, in tick self._process_events() File "/home/ubuntu/.py-3.5.2/lib/python3.5/site-packages/kivy/clock.py", line 615, in _process_events event.tick(self._last_tick, remove) File "/home/ubuntu/.py-3.5.2/lib/python3.5/site-packages/kivy/clock.py", line 374, in tick ret = callback(self._dt) File "/home/ubuntu/.py-3.5.2/lib/python3.5/site-packages/kivy/animation.py", line 342, in _update self.stop(widget) File "/home/ubuntu/.py-3.5.2/lib/python3.5/site-packages/kivy/animation.py", line 213, in stop self.cancel(widget) File "/home/ubuntu/.py-3.5.2/lib/python3.5/site-packages/kivy/animation.py", line 222, in cancel self._widgets.pop(widget.uid, None) File "kivy/weakproxy.pyx", line 19, in kivy.weakproxy.WeakProxy.getattr (/tmp/pip-build-zy75v30v/kivy/kivy/weakproxy.c:1097) File "kivy/weakproxy.pyx", line 15, in kivy.weakproxy.WeakProxy.ref (/tmp/pip-build-zy75v30v/kivy/kivy/weakproxy.c:1004) ReferenceError: weakly-referenced object no longer exists
