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import httpx
from PySide6.QtCore import QObject, Signal, Property, Slot
from qasync import asyncSlot
class ExampleService(QObject):
valueChanged = Signal(str, arguments=["value"])
loadingChanged = Signal(bool, arguments=["loading"])
def __init__(self, parent=None):
QObject.__init__(self, parent)
self._value = None
self._loading = False
def _set_value(self, value):
if self._value != value:
self._value = value
self.valueChanged.emit(value)
def _set_loading(self, value):
if self._loading != value:
self._loading = value
self.loadingChanged.emit(value)
@Property(str, notify=valueChanged)
def value(self) -> str:
return self._value
@Property(bool, notify=loadingChanged)
def isLoading(self) -> bool:
return self._loading
@asyncSlot(str)
async def fetch(self, endpoint: str):
if not endpoint:
return
self._set_loading(True)
async with httpx.AsyncClient() as client:
resp = await client.get(endpoint)
self._set_value(resp.text)
self._set_loading(False)
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