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90 lines
2.6 KiB
Python
90 lines
2.6 KiB
Python
import pickle
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import re
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from functools import lru_cache
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from typing import Any, Iterable, List, Sequence, Union
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import numpy as np
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import uniplot
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from colorama import Fore
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from colorama import Style as CStyle
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from rich.console import Console, ConsoleOptions
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from rich.segment import Segment
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from rich.style import Style
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Plottable = Union[
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np.ndarray,
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Sequence[np.ndarray],
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]
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RE_ANSI_ESCAPE = re.compile(r"(\x1B(?:[@-Z\\-_]|\[[0-?]*[ -/]*[@-~]))")
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ANSI_COLOR_TO_STYLE = {
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CStyle.RESET_ALL: Style.null(),
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Fore.RED: Style(color="red"),
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Fore.GREEN: Style(color="green"),
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Fore.BLUE: Style(color="blue"),
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Fore.CYAN: Style(color="cyan"),
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Fore.YELLOW: Style(color="yellow"),
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Fore.MAGENTA: Style(color="magenta"),
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Fore.BLACK: Style(color="black"),
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Fore.WHITE: Style(color="white"),
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}
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@lru_cache(maxsize=2 ** 8)
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def _ansi_to_text(s: str) -> List[Segment]:
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segments = []
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tmp = ""
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null_style = Style.null()
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style = null_style
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for char in RE_ANSI_ESCAPE.split(s):
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if char in ANSI_COLOR_TO_STYLE:
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segments.append(Segment(tmp, style=style))
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style = ANSI_COLOR_TO_STYLE[char]
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tmp = ""
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else:
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tmp += char
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# catch leftovers
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segments.append(Segment(tmp, style=style))
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return list(Segment.simplify(segments))
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@lru_cache(maxsize=2 ** 8)
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def _make_plot(pickled_plot_args: bytes) -> List[str]:
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# This is kind of ugly, but we pickle the args before passing them as an easy
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# way to make them hashable. This helps a lot for performance on static plots,
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# and doesn't have toooooo much impact on dynamic plots.
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return uniplot.plot_to_string(**pickle.loads(pickled_plot_args))
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class Plot:
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def __init__(
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self,
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**plot_args: Any,
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) -> None:
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self.plot_args = plot_args
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def __rich_console__(self, console: Console, options: ConsoleOptions) -> Iterable[Segment]:
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if self.plot_args.get("height") is None and options.height is None:
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height = None
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else:
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# 5 = title + top bar + bottom bar + bottom axis labels + 1
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height = max(
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(options.height - 5) if options.height else 1, self.plot_args.get("height", 1)
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)
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plot_args = {
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**self.plot_args,
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**dict(
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height=height,
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width=max(options.max_width - 10, self.plot_args.get("width", 1)),
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),
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}
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plot = "\n".join(_make_plot(pickled_plot_args=pickle.dumps(plot_args)))
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# plot = "\n".join(uniplot.plot_to_string(plot_args))
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yield from _ansi_to_text(plot)
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