identifier missing

[ghost]

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• OS:
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Description

C:\Python39\python.exe G:/Python/PycharmWorkspace/mobileApp/main.py [INFO ] [Logger ] Record log in C:\Users\RJ.kivy\logs\kivy_21-01-15_25.txt [INFO ] [deps ] Successfully imported "kivy_deps.gstreamer" 0.3.1 [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 ] v2.0.0rc4, git-b714003, 20201204 [INFO ] [Kivy ] Installed at "C:\Python39\lib\site-packages\kivy__init__.py" [INFO ] [Python ] v3.9.0 (tags/v3.9.0:9cf6752, Oct 5 2020, 15:34:40) [MSC v.1927 64 bit (AMD64)] [INFO ] [Python ] Interpreter at "C:\Python39\python.exe" [INFO ] [Logger ] Purge log fired. Analysing... [INFO ] [Logger ] Purge 5 log files [INFO ] [Logger ] Purge finished! [INFO ] [Factory ] 186 symbols loaded [INFO ] [Image ] Providers: img_tex, img_dds, img_sdl2, img_pil (img_ffpyplayer ignored) Traceback (most recent call last): File "G:\Python\PycharmWorkspace\mobileApp\main.py", line 7, in Builder.load_string(""" File "C:\Python39\lib\site-packages\kivy\lang\builder.py", line 373, in load_string parser = Parser(content=string, filename=fn) File "C:\Python39\lib\site-packages\kivy\lang\parser.py", line 402, in init self.parse(content) File "C:\Python39\lib\site-packages\kivy\lang\parser.py", line 511, in parse objects, remaining_lines = self.parse_level(0, lines) File "C:\Python39\lib\site-packages\kivy\lang\parser.py", line 581, in parse_level raise ParserException(self, ln, 'Identifier missing') kivy.lang.parser.ParserException: Parser: File "", line 2: ... 1:

2:: 3: BoxLayout: 4: orientation: 'vertical' ... Identifier missing

the code is
from kivy.app import App
from kivy.lang import Builder
from kivy.uix.screenmanager import ScreenManager, Screen
import json
import requests

Builder.load_string("""
:
    BoxLayout:
        orientation: 'vertical'
        padding: 10
        spacing: 10
        GridLayout:
            rows: 2
            cols: 2
            padding: 10
            spacing: 10
            row_default_height: 30
            Label:
                text: 'Username'
            TextInput:
                id: usernamevalue
            Label:
                text: 'Password'
            TextInput:
                id: passwordvalue
                password: True
        Button:
            text: 'Login'
            on_press: root.login_button_action()

:
    BoxLayout:
        orientation: 'vertical'
        Label:
            text: 'Failed Login'
        Button:
            text: 'Back to login'
            on_press: root.manager.current = 'login'
""")

class LoginScreen(Screen):
    def build(self):
        pass

    def login_button_action(self):
        url = 'https://reqres.in/api/login'

        # data = json.dumps({"email": "eve.holt@reqres.in","password": "cityslicka"})
        data = json.dumps({"email": self.ids.usernamevalue.text, "password": self.ids.passwordvalue.text})

        response = requests.post(url, data=data, headers={'Content-Type': 'application/json'})

        userdata = json.loads(response.text)

        if userdata.get("token"):
            print("Logging in")
        else:
            self.manager.current = 'failedlogin'

class FailedLoginScreen(Screen):
    pass

sm = ScreenManager()
sm.add_widget(LoginScreen(name='login'))
sm.add_widget(FailedLoginScreen(name='failedlogin'))

class MainApp(App):

    def build(self):
        self.title = "Task Manager"
        return sm

if __name__ == '__main__':
    MainApp().run()

[RobertFlatt]

For .kv language and general Kivy usage, use the Users Group https://groups.google.com/g/kivy-users

[ghost]

ok, thank you