class MemoryWidget(Widget):
delay = 1
def __init__(
self, app: QtWidgets.QApplication, main_window: QtWidgets.QWidget
) -> None:
super().__init__(app, main_window)
self.percentage: T.Optional[float] = None
self._container = QtWidgets.QWidget(main_window)
self._chart = Chart(
self._container, min_width=80, scale_low=0.0, scale_high=100.0
)
layout = QtWidgets.QHBoxLayout(self._container, margin=0, spacing=6)
layout.addWidget(self._chart)
@property
def container(self) -> QtWidgets.QWidget:
return self._container
def _refresh_impl(self) -> None:
self.percentage = psutil.virtual_memory().percent
def _render_impl(self) -> None:
assert self.percentage is not None
self._chart.addPoint(Colors.memory_chart_line, self.percentage)
self._chart.setLabel(f"RAM {self.percentage:.1f}%")
self._chart.repaint()
class CurrencyWidget(Widget):
delay = 60
def __init__(
self, app: QtWidgets.QApplication, main_window: QtWidgets.QWidget
) -> None:
super().__init__(app, main_window)
self.percentage: T.Optional[float] = None
self._container = QtWidgets.QWidget(main_window)
self._chart = Chart(
self._container,
min_width=80,
scale_low=float("inf"),
scale_high=0.0,
)
self._quotes: T.Dict[datetime.datetime, float] = {}
layout = QtWidgets.QHBoxLayout(self._container, margin=0, spacing=6)
layout.addWidget(self._chart)
@property
def container(self) -> QtWidgets.QWidget:
return self._container
def _refresh_impl(self) -> None:
response = requests.get(
"https://www.ingturbo.pl/services/underlying/usd-pln/chart"
"?period=intraday"
)
response.raise_for_status()
for row in response.json()["Quotes"]:
time, quote = row
date = datetime.datetime.fromtimestamp(time / 1000.0)
self._quotes[date] = quote
self._chart.clearPoints()
for key, value in sorted(self._quotes.items(), key=lambda kv: kv[0]):
self._chart.addPoint(Colors.currency_chart_line, value)
self._chart.setLabel(f"USD {value}")
def _render_impl(self) -> None:
self._chart.repaint()
class NetworkUsageWidget(Widget):
delay = 1
def __init__(
self, app: QtWidgets.QApplication, main_window: QtWidgets.QWidget
) -> None:
super().__init__(app, main_window)
self.net_in = 0
self.net_out = 0
self._old_rx_bytes = 0
self._old_tx_bytes = 0
available = False
try:
self._rx_path: T.Optional[Path] = None
self._tx_path: T.Optional[Path] = None
for path in Path("/sys/class/net/").iterdir():
if "virtual" in str(path.resolve()):
continue
state = (path / "operstate").read_text().strip()
if state.lower() == "up":
self._rx_path = path / "statistics" / "rx_bytes"
self._tx_path = path / "statistics" / "tx_bytes"
available = True
except Exception:
pass
if available:
self._old_rx_bytes = int(self._rx_path.read_text().strip())
self._old_tx_bytes = int(self._tx_path.read_text().strip())
self._container = QtWidgets.QWidget(main_window)
self._chart = Chart(
self._container,
min_width=120,
scale_low=0.0,
scale_high=1024.0 * 1024.0,
)
layout = QtWidgets.QHBoxLayout(self._container, margin=0, spacing=6)
layout.addWidget(self._chart)
@property
def container(self) -> QtWidgets.QWidget:
return self._container
@property
def available(self) -> bool:
return self._rx_path is not None and self._tx_path is not None
def _refresh_impl(self) -> None:
rx_bytes = int(self._rx_path.read_text().strip())
tx_bytes = int(self._tx_path.read_text().strip())
self.net_in = rx_bytes - self._old_rx_bytes
self.net_out = tx_bytes - self._old_tx_bytes
self._old_rx_bytes = rx_bytes
self._old_tx_bytes = tx_bytes
def _render_impl(self) -> None:
self._chart.setLabel(
f"DL {convert_speed(self.net_in)} UL {convert_speed(self.net_out)}"
)
self._chart.addPoint(Colors.net_up_chart_line, self.net_in)
self._chart.addPoint(Colors.net_down_chart_line, self.net_out)
self._chart.update()