Jan Vetesnik
af63fc7b15
- Python 3.12+ / Textual TUI with btop-style theme and 4 tabs (Dashboard, Logs, Services, Disks) - Paramiko SSH layer with ssh_config support, key fallback, keepalive and reconnect; async executor over a thread pool - Read-only collectors for system, storage, disks, network, logs and services; confirm dialog gates service restart/stop/start - Click CLI: dsmview ssh [-p PORT] [-i KEY] TARGET - Homebrew formula using virtualenv_install_with_resources - GitHub Actions release workflow: builds source tarball, regenerates Python resource blocks via homebrew-pypi-poet, pushes updated formula to janvete/homebrew-dsmview tap Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
56 lines
1.5 KiB
Python
56 lines
1.5 KiB
Python
from __future__ import annotations
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from collections import deque
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from typing import Deque
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import plotext as plt
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from rich.text import Text
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from textual.widget import Widget
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class BrailleGraph(Widget):
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"""A compact braille-dot graph rendered with plotext.
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Stores a rolling history and redraws on `push()`. Sized by Textual,
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re-rendered to fit the current widget size.
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"""
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DEFAULT_CSS = """
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BrailleGraph {
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height: 100%;
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width: 100%;
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}
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"""
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def __init__(self, *, max_points: int = 120, color: str = "red", y_max: float | None = None) -> None:
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super().__init__()
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self.max_points: int = max_points
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self.color: str = color
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self.y_max: float | None = y_max
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self._history: Deque[float] = deque(maxlen=max_points)
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def push(self, value: float) -> None:
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self._history.append(float(value))
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self.refresh()
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def reset(self) -> None:
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self._history.clear()
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self.refresh()
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def render(self) -> Text:
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if not self._history:
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return Text("")
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w = max(10, self.size.width - 2)
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h = max(3, self.size.height - 1)
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plt.clear_figure()
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plt.plotsize(w, h)
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plt.theme("clear")
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data = list(self._history)
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plt.plot(data, marker="braille", color=self.color)
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plt.xaxes(False, False)
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plt.yaxes(False, False)
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plt.frame(False)
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if self.y_max is not None:
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plt.ylim(0, self.y_max)
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rendered = plt.build()
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return Text.from_ansi(rendered)
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