mirror of
https://github.com/morpheus65535/bazarr
synced 2024-12-23 08:13:14 +00:00
91 lines
2.8 KiB
Python
91 lines
2.8 KiB
Python
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from typing import cast, List, Optional, TYPE_CHECKING
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from ._spinners import SPINNERS
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from .console import Console
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from .measure import Measurement
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from .style import StyleType
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from .text import Text, TextType
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if TYPE_CHECKING:
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from .console import Console, ConsoleOptions, RenderResult
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class Spinner:
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def __init__(
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self, name: str, text: TextType = "", *, style: StyleType = None, speed=1.0
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) -> None:
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"""A spinner animation.
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Args:
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name (str): Name of spinner (run python -m rich.spinner).
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text (TextType, optional): Text to display at the right of the spinner. Defaults to "".
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style (StyleType, optional): Style for sinner amimation. Defaults to None.
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speed (float, optional): Speed factor for animation. Defaults to 1.0.
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Raises:
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KeyError: If name isn't one of the supported spinner animations.
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"""
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try:
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spinner = SPINNERS[name]
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except KeyError:
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raise KeyError(f"no spinner called {name!r}")
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self.text = text
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self.frames = cast(List[str], spinner["frames"])[:]
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self.interval = cast(float, spinner["interval"])
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self.start_time: Optional[float] = None
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self.style = style
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self.speed = speed
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self.time = 0.0
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def __rich_console__(
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self, console: "Console", options: "ConsoleOptions"
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) -> "RenderResult":
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time = console.get_time()
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if self.start_time is None:
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self.start_time = time
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text = self.render(time - self.start_time)
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yield text
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def __rich_measure__(
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self, console: "Console", options: "ConsoleOptions"
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) -> Measurement:
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text = self.render(0)
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return Measurement.get(console, options, text)
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def render(self, time: float) -> Text:
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"""Render the spinner for a given time.
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Args:
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time (float): Time in seconds.
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Returns:
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Text: A Text instance containing animation frame.
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"""
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frame_no = int((time * self.speed) / (self.interval / 1000.0))
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frame = Text(self.frames[frame_no % len(self.frames)], style=self.style or "")
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return Text.assemble(frame, " ", self.text) if self.text else frame
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if __name__ == "__main__": # pragma: no cover
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from time import sleep
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from .columns import Columns
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from .panel import Panel
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from .live import Live
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all_spinners = Columns(
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[
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Spinner(spinner_name, text=Text(repr(spinner_name), style="green"))
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for spinner_name in sorted(SPINNERS.keys())
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],
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column_first=True,
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expand=True,
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)
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with Live(
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Panel(all_spinners, title="Spinners", border_style="blue"),
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refresh_per_second=20,
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) as live:
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while True:
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sleep(0.1)
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