274 lines
8.1 KiB
Python
274 lines
8.1 KiB
Python
import colorsys
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import io
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from time import process_time
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from rich import box
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from rich.color import Color
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from rich.console import Console, ConsoleOptions, Group, RenderableType, RenderResult
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from rich.markdown import Markdown
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from rich.measure import Measurement
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from rich.pretty import Pretty
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from rich.segment import Segment
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from rich.style import Style
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from rich.syntax import Syntax
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from rich.table import Table
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from rich.text import Text
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class ColorBox:
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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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for y in range(0, 5):
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for x in range(options.max_width):
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h = x / options.max_width
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l = 0.1 + ((y / 5) * 0.7)
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r1, g1, b1 = colorsys.hls_to_rgb(h, l, 1.0)
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r2, g2, b2 = colorsys.hls_to_rgb(h, l + 0.7 / 10, 1.0)
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bgcolor = Color.from_rgb(r1 * 255, g1 * 255, b1 * 255)
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color = Color.from_rgb(r2 * 255, g2 * 255, b2 * 255)
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yield Segment("▄", Style(color=color, bgcolor=bgcolor))
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yield Segment.line()
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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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return Measurement(1, options.max_width)
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def make_test_card() -> Table:
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"""Get a renderable that demonstrates a number of features."""
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table = Table.grid(padding=1, pad_edge=True)
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table.title = "Rich features"
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table.add_column("Feature", no_wrap=True, justify="center", style="bold red")
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table.add_column("Demonstration")
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color_table = Table(
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box=None,
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expand=False,
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show_header=False,
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show_edge=False,
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pad_edge=False,
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)
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color_table.add_row(
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(
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"✓ [bold green]4-bit color[/]\n"
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"✓ [bold blue]8-bit color[/]\n"
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"✓ [bold magenta]Truecolor (16.7 million)[/]\n"
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"✓ [bold yellow]Dumb terminals[/]\n"
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"✓ [bold cyan]Automatic color conversion"
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),
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ColorBox(),
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)
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table.add_row("Colors", color_table)
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table.add_row(
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"Styles",
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"All ansi styles: [bold]bold[/], [dim]dim[/], [italic]italic[/italic], [underline]underline[/], [strike]strikethrough[/], [reverse]reverse[/], and even [blink]blink[/].",
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)
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lorem = "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Quisque in metus sed sapien ultricies pretium a at justo. Maecenas luctus velit et auctor maximus."
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lorem_table = Table.grid(padding=1, collapse_padding=True)
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lorem_table.pad_edge = False
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lorem_table.add_row(
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Text(lorem, justify="left", style="green"),
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Text(lorem, justify="center", style="yellow"),
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Text(lorem, justify="right", style="blue"),
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Text(lorem, justify="full", style="red"),
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)
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table.add_row(
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"Text",
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Group(
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Text.from_markup(
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"""Word wrap text. Justify [green]left[/], [yellow]center[/], [blue]right[/] or [red]full[/].\n"""
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),
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lorem_table,
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),
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)
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def comparison(renderable1: RenderableType, renderable2: RenderableType) -> Table:
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table = Table(show_header=False, pad_edge=False, box=None, expand=True)
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table.add_column("1", ratio=1)
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table.add_column("2", ratio=1)
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table.add_row(renderable1, renderable2)
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return table
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table.add_row(
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"Asian\nlanguage\nsupport",
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":flag_for_china: 该库支持中文，日文和韩文文本！\n:flag_for_japan: ライブラリは中国語、日本語、韓国語のテキストをサポートしています\n:flag_for_south_korea: 이 라이브러리는 중국어, 일본어 및 한국어 텍스트를 지원합니다",
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)
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markup_example = (
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"[bold magenta]Rich[/] supports a simple [i]bbcode[/i]-like [b]markup[/b] for [yellow]color[/], [underline]style[/], and emoji! "
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":+1: :apple: :ant: :bear: :baguette_bread: :bus: "
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)
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table.add_row("Markup", markup_example)
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example_table = Table(
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show_edge=False,
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show_header=True,
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expand=False,
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row_styles=["none", "dim"],
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box=box.SIMPLE,
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)
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example_table.add_column("[green]Date", style="green", no_wrap=True)
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example_table.add_column("[blue]Title", style="blue")
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example_table.add_column(
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"[cyan]Production Budget",
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style="cyan",
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justify="right",
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no_wrap=True,
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)
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example_table.add_column(
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"[magenta]Box Office",
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style="magenta",
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justify="right",
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no_wrap=True,
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)
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example_table.add_row(
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"Dec 20, 2019",
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"Star Wars: The Rise of Skywalker",
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"$275,000,000",
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"$375,126,118",
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)
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example_table.add_row(
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"May 25, 2018",
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"[b]Solo[/]: A Star Wars Story",
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"$275,000,000",
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"$393,151,347",
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)
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example_table.add_row(
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"Dec 15, 2017",
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"Star Wars Ep. VIII: The Last Jedi",
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"$262,000,000",
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"[bold]$1,332,539,889[/bold]",
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)
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example_table.add_row(
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"May 19, 1999",
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"Star Wars Ep. [b]I[/b]: [i]The phantom Menace",
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"$115,000,000",
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"$1,027,044,677",
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)
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table.add_row("Tables", example_table)
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code = '''\
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def iter_last(values: Iterable[T]) -> Iterable[Tuple[bool, T]]:
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"""Iterate and generate a tuple with a flag for last value."""
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iter_values = iter(values)
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try:
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previous_value = next(iter_values)
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except StopIteration:
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return
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for value in iter_values:
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yield False, previous_value
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previous_value = value
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yield True, previous_value'''
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pretty_data = {
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"foo": [
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3.1427,
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(
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"Paul Atreides",
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"Vladimir Harkonnen",
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"Thufir Hawat",
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),
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],
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"atomic": (False, True, None),
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}
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table.add_row(
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"Syntax\nhighlighting\n&\npretty\nprinting",
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comparison(
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Syntax(code, "python3", line_numbers=True, indent_guides=True),
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Pretty(pretty_data, indent_guides=True),
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),
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)
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markdown_example = """\
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# Markdown
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Supports much of the *markdown* __syntax__!
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- Headers
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- Basic formatting: **bold**, *italic*, `code`
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- Block quotes
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- Lists, and more...
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"""
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table.add_row(
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"Markdown", comparison("[cyan]" + markdown_example, Markdown(markdown_example))
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)
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table.add_row(
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"+more!",
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"""Progress bars, columns, styled logging handler, tracebacks, etc...""",
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)
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return table
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if __name__ == "__main__": # pragma: no cover
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console = Console(
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file=io.StringIO(),
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force_terminal=True,
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)
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test_card = make_test_card()
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# Print once to warm cache
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start = process_time()
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console.print(test_card)
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pre_cache_taken = round((process_time() - start) * 1000.0, 1)
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console.file = io.StringIO()
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start = process_time()
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console.print(test_card)
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taken = round((process_time() - start) * 1000.0, 1)
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c = Console(record=True)
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c.print(test_card)
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print(f"rendered in {pre_cache_taken}ms (cold cache)")
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print(f"rendered in {taken}ms (warm cache)")
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from rich.panel import Panel
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console = Console()
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sponsor_message = Table.grid(padding=1)
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sponsor_message.add_column(style="green", justify="right")
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sponsor_message.add_column(no_wrap=True)
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sponsor_message.add_row(
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"Textualize",
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"[u blue link=https://github.com/textualize]https://github.com/textualize",
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)
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sponsor_message.add_row(
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"Twitter",
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"[u blue link=https://twitter.com/willmcgugan]https://twitter.com/willmcgugan",
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)
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intro_message = Text.from_markup(
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"""\
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We hope you enjoy using Rich!
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Rich is maintained with [red]:heart:[/] by [link=https://www.textualize.io]Textualize.io[/]
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- Will McGugan"""
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)
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message = Table.grid(padding=2)
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message.add_column()
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message.add_column(no_wrap=True)
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message.add_row(intro_message, sponsor_message)
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console.print(
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Panel.fit(
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message,
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box=box.ROUNDED,
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padding=(1, 2),
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title="[b red]Thanks for trying out Rich!",
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border_style="bright_blue",
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),
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justify="center",
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)
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