realpython
(please help) having problem in my code
Description of the Bug
1.Hi Developers im new to coding. i tried to make this video uploading app to my firebase storage but im not that good at coding so im stuck at this problem. when upload button is pressed the filechooser is opened and if i select a file it gets uploaded to the firebase But if i cancel and close the filechooser it gives an error. 2. i am unaware if this file chooser works on android or nor...if it does not please help me with this code too. im stuck on this since 6 January ,thats how poor i am.
Code
from kivy.app import App
from kivy.lang import Builder
kv = '''
<MainScreen>:
name: 'mainscreen'
MDLabel:
id:username_info
text:'Hello Main'
font_style:'H1'
halign:'center'
MDFloatLayout:
id:floate
Video:
id:vid
MDToolbar:
title: 'Bottom navigation'
md_bg_color: .2, .2, .2, 1
specific_text_color: 1, 1, 1, 1
MDBottomNavigation:
panel_color: 1,1,1,1
MDBottomNavigationItem:
name: 'screen 1'
text: 'Home'
icon: 'home-outline'
MDRaisedButton:
id:upload
text:'Upload'
pos_hint:{'center_x':.5, 'center_y':.4}
on_release:
app.file_chooser()
upload.disabled=False
'''
class goodApp(MDApp):
def build(self):
self.strng = Builder.load_string(help_str)
self.url = "link.json"
return self.strng
def file_chooser(self):
filechooser.open_file(on_selection=self.selected)
def selected(self,selection):
config={
'Api keys of firebase'
}
firebase=pyrebase.initialize_app(config)
storage=firebase.storage()
Directory=selection[0]
Name=re.findall('[ \w-]+\..*',Directory)
loginEmail = self.strng.get_screen('loginscreen').ids.login_email.text
storage.child(str(f"{loginEmail}")).child(str(f"{Name}")).put(str(f"{Name[0]}"))
if selection==True:
self.root.ids.vid.source=firebase
self.strng.get_screen('mainscreen').ids.upload.disabled=True
self.strng.get_screen('mainscreen').manager.current ='uploadscreen'
self.strng.get_screen('mainscreen').manager.transition.direction='left'
if selection==False:
self.strng.get_screen('mainscreen').ids.upload.disabled=False
if __name__ == '__main__':
goodApp().run()
Logs
[INFO ] [Logger ] Record log in C:\Users\Dheeraj.kivy\logs\kivy_22-01-19_1.txt
[INFO ] [deps ] Successfully imported "kivy_deps.angle" 0.3.0
[INFO ] [deps ] Successfully imported "kivy_deps.glew" 0.3.0
[INFO ] [deps ] Successfully imported "kivy_deps.sdl2" 0.3.1
[INFO ] [Kivy ] v2.0.0
[INFO ] [Kivy ] Installed at "C:\Users\Dheeraj\AppData\Roaming\Python\Python38\site-packages\kivy_init_.py"
[INFO ] [Python ] v3.8.10 (tags/v3.8.10:3d8993a, May 3 2021, 11:48:03) [MSC v.1928 64 bit (AMD64)]
[INFO ] [Python ] Interpreter at "C:\Users\Dheeraj\AppData\Local\Programs\Python\Python38\pythonw.exe"
[INFO ] [Factory ] 186 symbols loaded
[INFO ] [KivyMD ] 0.104.2, git-bc7d1f5, 2021-06-06 (installed at "C:\Users\Dheeraj\AppData\Local\Programs\Python\Python38\lib\site-packages\kivymd_init_.py")
[INFO ] [Image ] Providers: img_tex, img_dds, img_sdl2, img_pil (img_ffpyplayer ignored)
[INFO ] [Text ] Provider: sdl2
[INFO ] [Window ] Provider: sdl2
[INFO ] [GL ] Using the "OpenGL" graphics system
[INFO ] [GL ] GLEW initialization succeeded
[INFO ] [GL ] Backend used
During handling of the above exception, another exception occurred:
Traceback (most recent call last): File "C:\Users\Dheeraj\AppData\Roaming\Python\Python38\site-packages\plyer\platforms\win\filechooser.py", line 108, in run self._handle_selection(self.selection) File "C:\Users\Dheeraj\Desktop\kivy codes\Dheeraj.py", line 949, in selected Directory=selection[0] IndexError: list index out of range [INFO ] [Base ] Leaving application in progress...
Screenshots
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Versions
- OS: win 7 pro
- Python: 3.7
- Kivy: latest
- KivyMD: latest (update everyweek)
import re import pyrebase from kivy.lang import Builder from kivy.core.window import Window from kivy.uix.screenmanager import ScreenManager, Screen from kivy.uix.floatlayout import FloatLayout from kivy.app import App from kivy.uix.video import Video from kivy.core.window import Window from kivy.utils import platform from plyer import filechooser from kivymd.app import MDApp from kivymd.uix.label import MDLabel from kivymd.uix.toolbar import MDToolbar from kivymd.uix.button import MDRaisedButton from kivymd.uix.bottomnavigation import MDBottomNavigation, MDBottomNavigationItem
kv = ''' ScreenManager: MainScreen: <MainScreen>: name: 'mainscreen' MDLabel: id: username_info text: 'Hello Main' font_style: 'H1' halign: 'center'
MDFloatLayout:
id: floate
Video:
id: vid
source: ''
pos_hint: {'center_x': 0.5, 'center_y': 0.7}
size_hint: 0.8, 0.6
MDToolbar:
title: 'Bottom navigation'
md_bg_color: .2, .2, .2, 1
specific_text_color: 1, 1, 1, 1
MDBottomNavigation:
panel_color: 1, 1, 1, 1
MDBottomNavigationItem:
name: 'screen 1'
text: 'Home'
icon: 'home-outline'
MDRaisedButton:
id: upload
text: 'Upload'
pos_hint: {'center_x': .5, 'center_y': .4}
on_release:
app.file_chooser()
upload.disabled = False
'''
class MainScreen(Screen): pass
class goodApp(MDApp): def build(self): self.strng = Builder.load_string(kv) # Load kv string correctly return self.strng
def file_chooser(self):
# Open file chooser and get the selected file
filechooser.open_file(on_selection=self.selected)
def selected(self, selection):
if selection:
# Firebase configuration
config = {
'apiKey': "your-api-key",
'authDomain': "your-auth-domain",
'projectId': "your-project-id",
'storageBucket': "your-storage-bucket",
'messagingSenderId': "your-messaging-sender-id",
'appId': "your-app-id",
'measurementId': "your-measurement-id"
}
firebase = pyrebase.initialize_app(config)
storage = firebase.storage()
directory = selection[0]
name = re.findall(r'[ \w-]+\..*', directory)
# Sample login email (replace with actual login mechanism if needed)
loginEmail = "[email protected]"
# Upload file to Firebase storage
storage.child(f"{loginEmail}/{name[0]}").put(directory)
# Get the URL for the uploaded video
video_url = storage.child(f"{loginEmail}/{name[0]}").get_url(None)
# Update the video source in the app
self.root.get_screen('mainscreen').ids.vid.source = video_url
self.root.get_screen('mainscreen').ids.vid.state = 'play'
# Disable the upload button and transition to another screen (optional)
self.root.get_screen('mainscreen').ids.upload.disabled = True
else:
# Handle case where no file was selected
self.root.get_screen('mainscreen').ids.upload.disabled = False
if name == 'main': goodApp().run() Corrected bug
import re import pyrebase from kivy.lang import Builder from kivy.app import App from kivy.uix.screenmanager import ScreenManager, Screen from plyer import filechooser from kivymd.app import MDApp
kv = ''' ScreenManager: MainScreen:
<MainScreen>: name: 'mainscreen' MDLabel: id:username_info text:'Hello Main' font_style:'H1' halign:'center'
MDFloatLayout:
id:floate
Video:
id:vid
source: ''
pos_hint: {'center_x': 0.5, 'center_y': 0.7}
size_hint: 0.8, 0.6
MDToolbar:
title: 'Bottom navigation'
md_bg_color: .2, .2, .2, 1
specific_text_color: 1, 1, 1, 1
MDBottomNavigation:
panel_color: 1,1,1,1
MDBottomNavigationItem:
name: 'screen 1'
text: 'Home'
icon: 'home-outline'
MDRaisedButton:
id:upload
text:'Upload'
pos_hint:{'center_x':.5, 'center_y':.4}
on_release:
app.file_chooser()
upload.disabled=False
'''
class MainScreen(Screen): pass
class goodApp(MDApp):
def build(self):
self.strng = Builder.load_string(kv) # Use kv here instead of help_str
return self.strng
def file_chooser(self):
# Open file chooser and get the selected file
filechooser.open_file(on_selection=self.selected)
def selected(self, selection):
if selection:
# Firebase configuration (replace with actual keys)
config = {
'apiKey': "your-api-key",
'authDomain': "your-auth-domain",
'projectId': "your-project-id",
'storageBucket': "your-storage-bucket",
'messagingSenderId': "your-messaging-sender-id",
'appId': "your-app-id",
'measurementId': "your-measurement-id"
}
firebase = pyrebase.initialize_app(config)
storage = firebase.storage()
directory = selection[0]
name = re.findall(r'[ \w-]+\..*', directory)
# Sample login email (replace with actual login mechanism if needed)
loginEmail = "[email protected]"
# Upload file to Firebase storage
storage.child(f"{loginEmail}/{name[0]}").put(directory)
# Get the URL for the uploaded video
video_url = storage.child(f"{loginEmail}/{name[0]}").get_url(None)
# Update the video source in the app
self.root.get_screen('mainscreen').ids.vid.source = video_url
self.root.get_screen('mainscreen').ids.vid.state = 'play'
# Disable the upload button and navigate (optional)
self.root.get_screen('mainscreen').ids.upload.disabled = True
else:
# Handle case where no file was selected
self.root.get_screen('mainscreen').ids.upload.disabled = False
if name == 'main': goodApp().run() Corrected