mirror of https://github.com/morpheus65535/bazarr
251 lines
8.4 KiB
Python
251 lines
8.4 KiB
Python
from typing import Optional, TYPE_CHECKING
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from .box import Box, ROUNDED
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from .align import AlignMethod
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from .jupyter import JupyterMixin
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from .measure import Measurement, measure_renderables
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from .padding import Padding, PaddingDimensions
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from .style import StyleType
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from .text import Text, TextType
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from .segment import Segment
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if TYPE_CHECKING:
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from .console import Console, ConsoleOptions, RenderableType, RenderResult
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class Panel(JupyterMixin):
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"""A console renderable that draws a border around its contents.
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Example:
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>>> console.print(Panel("Hello, World!"))
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Args:
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renderable (RenderableType): A console renderable object.
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box (Box, optional): A Box instance that defines the look of the border (see :ref:`appendix_box`.
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Defaults to box.ROUNDED.
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safe_box (bool, optional): Disable box characters that don't display on windows legacy terminal with *raster* fonts. Defaults to True.
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expand (bool, optional): If True the panel will stretch to fill the console
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width, otherwise it will be sized to fit the contents. Defaults to True.
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style (str, optional): The style of the panel (border and contents). Defaults to "none".
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border_style (str, optional): The style of the border. Defaults to "none".
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width (Optional[int], optional): Optional width of panel. Defaults to None to auto-detect.
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height (Optional[int], optional): Optional height of panel. Defaults to None to auto-detect.
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padding (Optional[PaddingDimensions]): Optional padding around renderable. Defaults to 0.
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highlight (bool, optional): Enable automatic highlighting of panel title (if str). Defaults to False.
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"""
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def __init__(
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self,
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renderable: "RenderableType",
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box: Box = ROUNDED,
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*,
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title: Optional[TextType] = None,
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title_align: AlignMethod = "center",
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subtitle: Optional[TextType] = None,
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subtitle_align: AlignMethod = "center",
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safe_box: Optional[bool] = None,
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expand: bool = True,
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style: StyleType = "none",
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border_style: StyleType = "none",
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width: Optional[int] = None,
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height: Optional[int] = None,
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padding: PaddingDimensions = (0, 1),
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highlight: bool = False,
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) -> None:
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self.renderable = renderable
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self.box = box
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self.title = title
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self.title_align: AlignMethod = title_align
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self.subtitle = subtitle
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self.subtitle_align = subtitle_align
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self.safe_box = safe_box
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self.expand = expand
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self.style = style
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self.border_style = border_style
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self.width = width
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self.height = height
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self.padding = padding
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self.highlight = highlight
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@classmethod
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def fit(
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cls,
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renderable: "RenderableType",
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box: Box = ROUNDED,
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*,
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title: Optional[TextType] = None,
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title_align: AlignMethod = "center",
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subtitle: Optional[TextType] = None,
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subtitle_align: AlignMethod = "center",
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safe_box: Optional[bool] = None,
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style: StyleType = "none",
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border_style: StyleType = "none",
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width: Optional[int] = None,
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padding: PaddingDimensions = (0, 1),
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) -> "Panel":
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"""An alternative constructor that sets expand=False."""
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return cls(
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renderable,
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box,
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title=title,
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title_align=title_align,
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subtitle=subtitle,
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subtitle_align=subtitle_align,
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safe_box=safe_box,
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style=style,
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border_style=border_style,
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width=width,
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padding=padding,
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expand=False,
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)
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@property
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def _title(self) -> Optional[Text]:
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if self.title:
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title_text = (
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Text.from_markup(self.title)
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if isinstance(self.title, str)
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else self.title.copy()
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)
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title_text.end = ""
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title_text.plain = title_text.plain.replace("\n", " ")
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title_text.no_wrap = True
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title_text.expand_tabs()
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title_text.pad(1)
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return title_text
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return None
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@property
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def _subtitle(self) -> Optional[Text]:
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if self.subtitle:
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subtitle_text = (
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Text.from_markup(self.subtitle)
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if isinstance(self.subtitle, str)
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else self.subtitle.copy()
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)
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subtitle_text.end = ""
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subtitle_text.plain = subtitle_text.plain.replace("\n", " ")
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subtitle_text.no_wrap = True
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subtitle_text.expand_tabs()
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subtitle_text.pad(1)
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return subtitle_text
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return None
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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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_padding = Padding.unpack(self.padding)
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renderable = (
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Padding(self.renderable, _padding) if any(_padding) else self.renderable
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)
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style = console.get_style(self.style)
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border_style = style + console.get_style(self.border_style)
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width = (
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options.max_width
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if self.width is None
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else min(options.max_width, self.width)
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)
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safe_box: bool = console.safe_box if self.safe_box is None else self.safe_box
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box = self.box.substitute(options, safe=safe_box)
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title_text = self._title
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if title_text is not None:
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title_text.style = border_style
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child_width = (
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width - 2
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if self.expand
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else console.measure(
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renderable, options=options.update_width(width - 2)
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).maximum
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)
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child_height = self.height or options.height or None
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if child_height:
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child_height -= 2
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if title_text is not None:
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child_width = min(
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options.max_width - 2, max(child_width, title_text.cell_len + 2)
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)
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width = child_width + 2
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child_options = options.update(
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width=child_width, height=child_height, highlight=self.highlight
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)
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lines = console.render_lines(renderable, child_options, style=style)
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line_start = Segment(box.mid_left, border_style)
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line_end = Segment(f"{box.mid_right}", border_style)
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new_line = Segment.line()
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if title_text is None or width <= 4:
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yield Segment(box.get_top([width - 2]), border_style)
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else:
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title_text.align(self.title_align, width - 4, character=box.top)
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yield Segment(box.top_left + box.top, border_style)
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yield from console.render(title_text)
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yield Segment(box.top + box.top_right, border_style)
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yield new_line
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for line in lines:
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yield line_start
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yield from line
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yield line_end
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yield new_line
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subtitle_text = self._subtitle
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if subtitle_text is not None:
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subtitle_text.style = border_style
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if subtitle_text is None or width <= 4:
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yield Segment(box.get_bottom([width - 2]), border_style)
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else:
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subtitle_text.align(self.subtitle_align, width - 4, character=box.bottom)
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yield Segment(box.bottom_left + box.bottom, border_style)
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yield from console.render(subtitle_text)
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yield Segment(box.bottom + box.bottom_right, border_style)
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yield new_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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_title = self._title
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_, right, _, left = Padding.unpack(self.padding)
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padding = left + right
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renderables = [self.renderable, _title] if _title else [self.renderable]
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if self.width is None:
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width = (
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measure_renderables(
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console,
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options.update_width(options.max_width - padding - 2),
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renderables,
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).maximum
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+ padding
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+ 2
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)
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else:
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width = self.width
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return Measurement(width, width)
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if __name__ == "__main__": # pragma: no cover
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from .console import Console
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c = Console()
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from .padding import Padding
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from .box import ROUNDED, DOUBLE
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p = Panel(
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"Hello, World!",
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title="rich.Panel",
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style="white on blue",
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box=DOUBLE,
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padding=1,
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)
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c.print()
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c.print(p)
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