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997 lines
39 KiB
Python
997 lines
39 KiB
Python
2 years ago
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from dataclasses import dataclass, field, replace
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from typing import (
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TYPE_CHECKING,
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Dict,
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Iterable,
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List,
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NamedTuple,
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Optional,
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Sequence,
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Tuple,
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Union,
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)
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from . import box, errors
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from ._loop import loop_first_last, loop_last
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from ._pick import pick_bool
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from ._ratio import ratio_distribute, ratio_reduce
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from .align import VerticalAlignMethod
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from .jupyter import JupyterMixin
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from .measure import Measurement
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from .padding import Padding, PaddingDimensions
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from .protocol import is_renderable
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from .segment import Segment
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from .style import Style, StyleType
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from .text import Text, TextType
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if TYPE_CHECKING:
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from .console import (
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Console,
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ConsoleOptions,
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JustifyMethod,
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OverflowMethod,
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RenderableType,
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RenderResult,
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)
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@dataclass
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class Column:
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"""Defines a column within a ~Table.
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Args:
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title (Union[str, Text], optional): The title of the table rendered at the top. Defaults to None.
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caption (Union[str, Text], optional): The table caption rendered below. Defaults to None.
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width (int, optional): The width in characters of the table, or ``None`` to automatically fit. Defaults to None.
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min_width (Optional[int], optional): The minimum width of the table, or ``None`` for no minimum. Defaults to None.
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box (box.Box, optional): One of the constants in box.py used to draw the edges (see :ref:`appendix_box`), or ``None`` for no box lines. Defaults to box.HEAVY_HEAD.
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safe_box (Optional[bool], optional): Disable box characters that don't display on windows legacy terminal with *raster* fonts. Defaults to True.
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padding (PaddingDimensions, optional): Padding for cells (top, right, bottom, left). Defaults to (0, 1).
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collapse_padding (bool, optional): Enable collapsing of padding around cells. Defaults to False.
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pad_edge (bool, optional): Enable padding of edge cells. Defaults to True.
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expand (bool, optional): Expand the table to fit the available space if ``True``, otherwise the table width will be auto-calculated. Defaults to False.
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show_header (bool, optional): Show a header row. Defaults to True.
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show_footer (bool, optional): Show a footer row. Defaults to False.
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show_edge (bool, optional): Draw a box around the outside of the table. Defaults to True.
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show_lines (bool, optional): Draw lines between every row. Defaults to False.
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leading (bool, optional): Number of blank lines between rows (precludes ``show_lines``). Defaults to 0.
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style (Union[str, Style], optional): Default style for the table. Defaults to "none".
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row_styles (List[Union, str], optional): Optional list of row styles, if more than one style is given then the styles will alternate. Defaults to None.
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header_style (Union[str, Style], optional): Style of the header. Defaults to "table.header".
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footer_style (Union[str, Style], optional): Style of the footer. Defaults to "table.footer".
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border_style (Union[str, Style], optional): Style of the border. Defaults to None.
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title_style (Union[str, Style], optional): Style of the title. Defaults to None.
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caption_style (Union[str, Style], optional): Style of the caption. Defaults to None.
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title_justify (str, optional): Justify method for title. Defaults to "center".
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caption_justify (str, optional): Justify method for caption. Defaults to "center".
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highlight (bool, optional): Highlight cell contents (if str). Defaults to False.
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"""
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header: "RenderableType" = ""
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"""RenderableType: Renderable for the header (typically a string)"""
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footer: "RenderableType" = ""
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"""RenderableType: Renderable for the footer (typically a string)"""
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header_style: StyleType = ""
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"""StyleType: The style of the header."""
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footer_style: StyleType = ""
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"""StyleType: The style of the footer."""
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style: StyleType = ""
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"""StyleType: The style of the column."""
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justify: "JustifyMethod" = "left"
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"""str: How to justify text within the column ("left", "center", "right", or "full")"""
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vertical: "VerticalAlignMethod" = "top"
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"""str: How to vertically align content ("top", "middle", or "bottom")"""
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overflow: "OverflowMethod" = "ellipsis"
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"""str: Overflow method."""
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width: Optional[int] = None
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"""Optional[int]: Width of the column, or ``None`` (default) to auto calculate width."""
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min_width: Optional[int] = None
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"""Optional[int]: Minimum width of column, or ``None`` for no minimum. Defaults to None."""
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max_width: Optional[int] = None
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"""Optional[int]: Maximum width of column, or ``None`` for no maximum. Defaults to None."""
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ratio: Optional[int] = None
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"""Optional[int]: Ratio to use when calculating column width, or ``None`` (default) to adapt to column contents."""
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no_wrap: bool = False
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"""bool: Prevent wrapping of text within the column. Defaults to ``False``."""
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_index: int = 0
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"""Index of column."""
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_cells: List["RenderableType"] = field(default_factory=list)
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def copy(self) -> "Column":
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"""Return a copy of this Column."""
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return replace(self, _cells=[])
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@property
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def cells(self) -> Iterable["RenderableType"]:
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"""Get all cells in the column, not including header."""
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yield from self._cells
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@property
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def flexible(self) -> bool:
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"""Check if this column is flexible."""
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return self.ratio is not None
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@dataclass
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class Row:
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"""Information regarding a row."""
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style: Optional[StyleType] = None
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"""Style to apply to row."""
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end_section: bool = False
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"""Indicated end of section, which will force a line beneath the row."""
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class _Cell(NamedTuple):
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"""A single cell in a table."""
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style: StyleType
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"""Style to apply to cell."""
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renderable: "RenderableType"
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"""Cell renderable."""
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vertical: VerticalAlignMethod
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"""Cell vertical alignment."""
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class Table(JupyterMixin):
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"""A console renderable to draw a table.
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Args:
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*headers (Union[Column, str]): Column headers, either as a string, or :class:`~rich.table.Column` instance.
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title (Union[str, Text], optional): The title of the table rendered at the top. Defaults to None.
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caption (Union[str, Text], optional): The table caption rendered below. Defaults to None.
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width (int, optional): The width in characters of the table, or ``None`` to automatically fit. Defaults to None.
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min_width (Optional[int], optional): The minimum width of the table, or ``None`` for no minimum. Defaults to None.
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box (box.Box, optional): One of the constants in box.py used to draw the edges (see :ref:`appendix_box`), or ``None`` for no box lines. Defaults to box.HEAVY_HEAD.
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safe_box (Optional[bool], optional): Disable box characters that don't display on windows legacy terminal with *raster* fonts. Defaults to True.
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padding (PaddingDimensions, optional): Padding for cells (top, right, bottom, left). Defaults to (0, 1).
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collapse_padding (bool, optional): Enable collapsing of padding around cells. Defaults to False.
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pad_edge (bool, optional): Enable padding of edge cells. Defaults to True.
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expand (bool, optional): Expand the table to fit the available space if ``True``, otherwise the table width will be auto-calculated. Defaults to False.
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show_header (bool, optional): Show a header row. Defaults to True.
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show_footer (bool, optional): Show a footer row. Defaults to False.
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show_edge (bool, optional): Draw a box around the outside of the table. Defaults to True.
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show_lines (bool, optional): Draw lines between every row. Defaults to False.
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leading (bool, optional): Number of blank lines between rows (precludes ``show_lines``). Defaults to 0.
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style (Union[str, Style], optional): Default style for the table. Defaults to "none".
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row_styles (List[Union, str], optional): Optional list of row styles, if more than one style is given then the styles will alternate. Defaults to None.
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header_style (Union[str, Style], optional): Style of the header. Defaults to "table.header".
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footer_style (Union[str, Style], optional): Style of the footer. Defaults to "table.footer".
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border_style (Union[str, Style], optional): Style of the border. Defaults to None.
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title_style (Union[str, Style], optional): Style of the title. Defaults to None.
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caption_style (Union[str, Style], optional): Style of the caption. Defaults to None.
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title_justify (str, optional): Justify method for title. Defaults to "center".
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caption_justify (str, optional): Justify method for caption. Defaults to "center".
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highlight (bool, optional): Highlight cell contents (if str). Defaults to False.
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"""
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columns: List[Column]
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rows: List[Row]
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def __init__(
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self,
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*headers: Union[Column, str],
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title: Optional[TextType] = None,
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caption: Optional[TextType] = None,
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width: Optional[int] = None,
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min_width: Optional[int] = None,
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box: Optional[box.Box] = box.HEAVY_HEAD,
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safe_box: Optional[bool] = None,
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padding: PaddingDimensions = (0, 1),
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collapse_padding: bool = False,
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pad_edge: bool = True,
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expand: bool = False,
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show_header: bool = True,
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show_footer: bool = False,
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show_edge: bool = True,
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show_lines: bool = False,
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leading: int = 0,
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style: StyleType = "none",
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row_styles: Optional[Iterable[StyleType]] = None,
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header_style: Optional[StyleType] = "table.header",
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footer_style: Optional[StyleType] = "table.footer",
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border_style: Optional[StyleType] = None,
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title_style: Optional[StyleType] = None,
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caption_style: Optional[StyleType] = None,
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title_justify: "JustifyMethod" = "center",
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caption_justify: "JustifyMethod" = "center",
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highlight: bool = False,
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) -> None:
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self.columns: List[Column] = []
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self.rows: List[Row] = []
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self.title = title
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self.caption = caption
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self.width = width
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self.min_width = min_width
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self.box = box
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self.safe_box = safe_box
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self._padding = Padding.unpack(padding)
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self.pad_edge = pad_edge
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self._expand = expand
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self.show_header = show_header
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self.show_footer = show_footer
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self.show_edge = show_edge
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self.show_lines = show_lines
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self.leading = leading
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self.collapse_padding = collapse_padding
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self.style = style
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self.header_style = header_style or ""
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self.footer_style = footer_style or ""
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self.border_style = border_style
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self.title_style = title_style
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self.caption_style = caption_style
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self.title_justify: "JustifyMethod" = title_justify
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self.caption_justify: "JustifyMethod" = caption_justify
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self.highlight = highlight
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self.row_styles: Sequence[StyleType] = list(row_styles or [])
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append_column = self.columns.append
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for header in headers:
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if isinstance(header, str):
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self.add_column(header=header)
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else:
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header._index = len(self.columns)
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append_column(header)
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@classmethod
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def grid(
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cls,
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*headers: Union[Column, str],
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padding: PaddingDimensions = 0,
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collapse_padding: bool = True,
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pad_edge: bool = False,
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expand: bool = False,
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) -> "Table":
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"""Get a table with no lines, headers, or footer.
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Args:
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*headers (Union[Column, str]): Column headers, either as a string, or :class:`~rich.table.Column` instance.
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padding (PaddingDimensions, optional): Get padding around cells. Defaults to 0.
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collapse_padding (bool, optional): Enable collapsing of padding around cells. Defaults to True.
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pad_edge (bool, optional): Enable padding around edges of table. Defaults to False.
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expand (bool, optional): Expand the table to fit the available space if ``True``, otherwise the table width will be auto-calculated. Defaults to False.
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Returns:
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Table: A table instance.
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"""
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return cls(
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*headers,
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box=None,
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padding=padding,
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collapse_padding=collapse_padding,
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show_header=False,
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show_footer=False,
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show_edge=False,
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pad_edge=pad_edge,
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expand=expand,
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)
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@property
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def expand(self) -> bool:
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"""Setting a non-None self.width implies expand."""
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return self._expand or self.width is not None
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@expand.setter
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def expand(self, expand: bool) -> None:
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"""Set expand."""
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self._expand = expand
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@property
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def _extra_width(self) -> int:
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"""Get extra width to add to cell content."""
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width = 0
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if self.box and self.show_edge:
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width += 2
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if self.box:
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width += len(self.columns) - 1
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return width
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@property
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def row_count(self) -> int:
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"""Get the current number of rows."""
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return len(self.rows)
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def get_row_style(self, console: "Console", index: int) -> StyleType:
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"""Get the current row style."""
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style = Style.null()
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if self.row_styles:
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style += console.get_style(self.row_styles[index % len(self.row_styles)])
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row_style = self.rows[index].style
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if row_style is not None:
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style += console.get_style(row_style)
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return style
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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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max_width = options.max_width
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if self.width is not None:
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max_width = self.width
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if max_width < 0:
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return Measurement(0, 0)
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extra_width = self._extra_width
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max_width = sum(
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self._calculate_column_widths(
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console, options.update_width(max_width - extra_width)
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)
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)
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_measure_column = self._measure_column
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measurements = [
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_measure_column(console, options.update_width(max_width), column)
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for column in self.columns
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]
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minimum_width = (
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sum(measurement.minimum for measurement in measurements) + extra_width
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)
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maximum_width = (
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sum(measurement.maximum for measurement in measurements) + extra_width
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if (self.width is None)
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else self.width
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)
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|
|
measurement = Measurement(minimum_width, maximum_width)
|
||
|
|
measurement = measurement.clamp(self.min_width)
|
||
|
|
return measurement
|
||
|
|
|
||
|
|
@property
|
||
|
|
def padding(self) -> Tuple[int, int, int, int]:
|
||
|
|
"""Get cell padding."""
|
||
|
|
return self._padding
|
||
|
|
|
||
|
|
@padding.setter
|
||
|
|
def padding(self, padding: PaddingDimensions) -> "Table":
|
||
|
|
"""Set cell padding."""
|
||
|
|
self._padding = Padding.unpack(padding)
|
||
|
|
return self
|
||
|
|
|
||
|
|
def add_column(
|
||
|
|
self,
|
||
|
|
header: "RenderableType" = "",
|
||
|
|
footer: "RenderableType" = "",
|
||
|
|
*,
|
||
|
|
header_style: Optional[StyleType] = None,
|
||
|
|
footer_style: Optional[StyleType] = None,
|
||
|
|
style: Optional[StyleType] = None,
|
||
|
|
justify: "JustifyMethod" = "left",
|
||
|
|
vertical: "VerticalAlignMethod" = "top",
|
||
|
|
overflow: "OverflowMethod" = "ellipsis",
|
||
|
|
width: Optional[int] = None,
|
||
|
|
min_width: Optional[int] = None,
|
||
|
|
max_width: Optional[int] = None,
|
||
|
|
ratio: Optional[int] = None,
|
||
|
|
no_wrap: bool = False,
|
||
|
|
) -> None:
|
||
|
|
"""Add a column to the table.
|
||
|
|
|
||
|
|
Args:
|
||
|
|
header (RenderableType, optional): Text or renderable for the header.
|
||
|
|
Defaults to "".
|
||
|
|
footer (RenderableType, optional): Text or renderable for the footer.
|
||
|
|
Defaults to "".
|
||
|
|
header_style (Union[str, Style], optional): Style for the header, or None for default. Defaults to None.
|
||
|
|
footer_style (Union[str, Style], optional): Style for the footer, or None for default. Defaults to None.
|
||
|
|
style (Union[str, Style], optional): Style for the column cells, or None for default. Defaults to None.
|
||
|
|
justify (JustifyMethod, optional): Alignment for cells. Defaults to "left".
|
||
|
|
vertical (VerticalAlignMethod, optional): Vertical alignment, one of "top", "middle", or "bottom". Defaults to "top".
|
||
|
|
overflow (OverflowMethod): Overflow method: "crop", "fold", "ellipsis". Defaults to "ellipsis".
|
||
|
|
width (int, optional): Desired width of column in characters, or None to fit to contents. Defaults to None.
|
||
|
|
min_width (Optional[int], optional): Minimum width of column, or ``None`` for no minimum. Defaults to None.
|
||
|
|
max_width (Optional[int], optional): Maximum width of column, or ``None`` for no maximum. Defaults to None.
|
||
|
|
ratio (int, optional): Flexible ratio for the column (requires ``Table.expand`` or ``Table.width``). Defaults to None.
|
||
|
|
no_wrap (bool, optional): Set to ``True`` to disable wrapping of this column.
|
||
|
|
"""
|
||
|
|
|
||
|
|
column = Column(
|
||
|
|
_index=len(self.columns),
|
||
|
|
header=header,
|
||
|
|
footer=footer,
|
||
|
|
header_style=header_style or "",
|
||
|
|
footer_style=footer_style or "",
|
||
|
|
style=style or "",
|
||
|
|
justify=justify,
|
||
|
|
vertical=vertical,
|
||
|
|
overflow=overflow,
|
||
|
|
width=width,
|
||
|
|
min_width=min_width,
|
||
|
|
max_width=max_width,
|
||
|
|
ratio=ratio,
|
||
|
|
no_wrap=no_wrap,
|
||
|
|
)
|
||
|
|
self.columns.append(column)
|
||
|
|
|
||
|
|
def add_row(
|
||
|
|
self,
|
||
|
|
*renderables: Optional["RenderableType"],
|
||
|
|
style: Optional[StyleType] = None,
|
||
|
|
end_section: bool = False,
|
||
|
|
) -> None:
|
||
|
|
"""Add a row of renderables.
|
||
|
|
|
||
|
|
Args:
|
||
|
|
*renderables (None or renderable): Each cell in a row must be a renderable object (including str),
|
||
|
|
or ``None`` for a blank cell.
|
||
|
|
style (StyleType, optional): An optional style to apply to the entire row. Defaults to None.
|
||
|
|
end_section (bool, optional): End a section and draw a line. Defaults to False.
|
||
|
|
|
||
|
|
Raises:
|
||
|
|
errors.NotRenderableError: If you add something that can't be rendered.
|
||
|
|
"""
|
||
|
|
|
||
|
|
def add_cell(column: Column, renderable: "RenderableType") -> None:
|
||
|
|
column._cells.append(renderable)
|
||
|
|
|
||
|
|
cell_renderables: List[Optional["RenderableType"]] = list(renderables)
|
||
|
|
|
||
|
|
columns = self.columns
|
||
|
|
if len(cell_renderables) < len(columns):
|
||
|
|
cell_renderables = [
|
||
|
|
*cell_renderables,
|
||
|
|
*[None] * (len(columns) - len(cell_renderables)),
|
||
|
|
]
|
||
|
|
for index, renderable in enumerate(cell_renderables):
|
||
|
|
if index == len(columns):
|
||
|
|
column = Column(_index=index)
|
||
|
|
for _ in self.rows:
|
||
|
|
add_cell(column, Text(""))
|
||
|
|
self.columns.append(column)
|
||
|
|
else:
|
||
|
|
column = columns[index]
|
||
|
|
if renderable is None:
|
||
|
|
add_cell(column, "")
|
||
|
|
elif is_renderable(renderable):
|
||
|
|
add_cell(column, renderable)
|
||
|
|
else:
|
||
|
|
raise errors.NotRenderableError(
|
||
|
|
f"unable to render {type(renderable).__name__}; a string or other renderable object is required"
|
||
|
|
)
|
||
|
|
self.rows.append(Row(style=style, end_section=end_section))
|
||
|
|
|
||
|
|
def __rich_console__(
|
||
|
|
self, console: "Console", options: "ConsoleOptions"
|
||
|
|
) -> "RenderResult":
|
||
|
|
|
||
|
|
if not self.columns:
|
||
|
|
yield Segment("\n")
|
||
|
|
return
|
||
|
|
|
||
|
|
max_width = options.max_width
|
||
|
|
if self.width is not None:
|
||
|
|
max_width = self.width
|
||
|
|
|
||
|
|
extra_width = self._extra_width
|
||
|
|
widths = self._calculate_column_widths(
|
||
|
|
console, options.update_width(max_width - extra_width)
|
||
|
|
)
|
||
|
|
table_width = sum(widths) + extra_width
|
||
|
|
|
||
|
|
render_options = options.update(
|
||
|
|
width=table_width, highlight=self.highlight, height=None
|
||
|
|
)
|
||
|
|
|
||
|
|
def render_annotation(
|
||
|
|
text: TextType, style: StyleType, justify: "JustifyMethod" = "center"
|
||
|
|
) -> "RenderResult":
|
||
|
|
render_text = (
|
||
|
|
console.render_str(text, style=style, highlight=False)
|
||
|
|
if isinstance(text, str)
|
||
|
|
else text
|
||
|
|
)
|
||
|
|
return console.render(
|
||
|
|
render_text, options=render_options.update(justify=justify)
|
||
|
|
)
|
||
|
|
|
||
|
|
if self.title:
|
||
|
|
yield from render_annotation(
|
||
|
|
self.title,
|
||
|
|
style=Style.pick_first(self.title_style, "table.title"),
|
||
|
|
justify=self.title_justify,
|
||
|
|
)
|
||
|
|
yield from self._render(console, render_options, widths)
|
||
|
|
if self.caption:
|
||
|
|
yield from render_annotation(
|
||
|
|
self.caption,
|
||
|
|
style=Style.pick_first(self.caption_style, "table.caption"),
|
||
|
|
justify=self.caption_justify,
|
||
|
|
)
|
||
|
|
|
||
|
|
def _calculate_column_widths(
|
||
|
|
self, console: "Console", options: "ConsoleOptions"
|
||
|
|
) -> List[int]:
|
||
|
|
"""Calculate the widths of each column, including padding, not including borders."""
|
||
|
|
max_width = options.max_width
|
||
|
|
columns = self.columns
|
||
|
|
width_ranges = [
|
||
|
|
self._measure_column(console, options, column) for column in columns
|
||
|
|
]
|
||
|
|
widths = [_range.maximum or 1 for _range in width_ranges]
|
||
|
|
get_padding_width = self._get_padding_width
|
||
|
|
extra_width = self._extra_width
|
||
|
|
if self.expand:
|
||
|
|
ratios = [col.ratio or 0 for col in columns if col.flexible]
|
||
|
|
if any(ratios):
|
||
|
|
fixed_widths = [
|
||
|
|
0 if column.flexible else _range.maximum
|
||
|
|
for _range, column in zip(width_ranges, columns)
|
||
|
|
]
|
||
|
|
flex_minimum = [
|
||
|
|
(column.width or 1) + get_padding_width(column._index)
|
||
|
|
for column in columns
|
||
|
|
if column.flexible
|
||
|
|
]
|
||
|
|
flexible_width = max_width - sum(fixed_widths)
|
||
|
|
flex_widths = ratio_distribute(flexible_width, ratios, flex_minimum)
|
||
|
|
iter_flex_widths = iter(flex_widths)
|
||
|
|
for index, column in enumerate(columns):
|
||
|
|
if column.flexible:
|
||
|
|
widths[index] = fixed_widths[index] + next(iter_flex_widths)
|
||
|
|
table_width = sum(widths)
|
||
|
|
|
||
|
|
if table_width > max_width:
|
||
|
|
widths = self._collapse_widths(
|
||
|
|
widths,
|
||
|
|
[(column.width is None and not column.no_wrap) for column in columns],
|
||
|
|
max_width,
|
||
|
|
)
|
||
|
|
table_width = sum(widths)
|
||
|
|
# last resort, reduce columns evenly
|
||
|
|
if table_width > max_width:
|
||
|
|
excess_width = table_width - max_width
|
||
|
|
widths = ratio_reduce(excess_width, [1] * len(widths), widths, widths)
|
||
|
|
table_width = sum(widths)
|
||
|
|
|
||
|
|
width_ranges = [
|
||
|
|
self._measure_column(console, options.update_width(width), column)
|
||
|
|
for width, column in zip(widths, columns)
|
||
|
|
]
|
||
|
|
widths = [_range.maximum or 0 for _range in width_ranges]
|
||
|
|
|
||
|
|
if (table_width < max_width and self.expand) or (
|
||
|
|
self.min_width is not None and table_width < (self.min_width - extra_width)
|
||
|
|
):
|
||
|
|
_max_width = (
|
||
|
|
max_width
|
||
|
|
if self.min_width is None
|
||
|
|
else min(self.min_width - extra_width, max_width)
|
||
|
|
)
|
||
|
|
pad_widths = ratio_distribute(_max_width - table_width, widths)
|
||
|
|
widths = [_width + pad for _width, pad in zip(widths, pad_widths)]
|
||
|
|
|
||
|
|
return widths
|
||
|
|
|
||
|
|
@classmethod
|
||
|
|
def _collapse_widths(
|
||
|
|
cls, widths: List[int], wrapable: List[bool], max_width: int
|
||
|
|
) -> List[int]:
|
||
|
|
"""Reduce widths so that the total is under max_width.
|
||
|
|
|
||
|
|
Args:
|
||
|
|
widths (List[int]): List of widths.
|
||
|
|
wrapable (List[bool]): List of booleans that indicate if a column may shrink.
|
||
|
|
max_width (int): Maximum width to reduce to.
|
||
|
|
|
||
|
|
Returns:
|
||
|
|
List[int]: A new list of widths.
|
||
|
|
"""
|
||
|
|
total_width = sum(widths)
|
||
|
|
excess_width = total_width - max_width
|
||
|
|
if any(wrapable):
|
||
|
|
while total_width and excess_width > 0:
|
||
|
|
max_column = max(
|
||
|
|
width for width, allow_wrap in zip(widths, wrapable) if allow_wrap
|
||
|
|
)
|
||
|
|
second_max_column = max(
|
||
|
|
width if allow_wrap and width != max_column else 0
|
||
|
|
for width, allow_wrap in zip(widths, wrapable)
|
||
|
|
)
|
||
|
|
column_difference = max_column - second_max_column
|
||
|
|
ratios = [
|
||
|
|
(1 if (width == max_column and allow_wrap) else 0)
|
||
|
|
for width, allow_wrap in zip(widths, wrapable)
|
||
|
|
]
|
||
|
|
if not any(ratios) or not column_difference:
|
||
|
|
break
|
||
|
|
max_reduce = [min(excess_width, column_difference)] * len(widths)
|
||
|
|
widths = ratio_reduce(excess_width, ratios, max_reduce, widths)
|
||
|
|
|
||
|
|
total_width = sum(widths)
|
||
|
|
excess_width = total_width - max_width
|
||
|
|
return widths
|
||
|
|
|
||
|
|
def _get_cells(
|
||
|
|
self, console: "Console", column_index: int, column: Column
|
||
|
|
) -> Iterable[_Cell]:
|
||
|
|
"""Get all the cells with padding and optional header."""
|
||
|
|
|
||
|
|
collapse_padding = self.collapse_padding
|
||
|
|
pad_edge = self.pad_edge
|
||
|
|
padding = self.padding
|
||
|
|
any_padding = any(padding)
|
||
|
|
|
||
|
|
first_column = column_index == 0
|
||
|
|
last_column = column_index == len(self.columns) - 1
|
||
|
|
|
||
|
|
_padding_cache: Dict[Tuple[bool, bool], Tuple[int, int, int, int]] = {}
|
||
|
|
|
||
|
|
def get_padding(first_row: bool, last_row: bool) -> Tuple[int, int, int, int]:
|
||
|
|
cached = _padding_cache.get((first_row, last_row))
|
||
|
|
if cached:
|
||
|
|
return cached
|
||
|
|
top, right, bottom, left = padding
|
||
|
|
|
||
|
|
if collapse_padding:
|
||
|
|
if not first_column:
|
||
|
|
left = max(0, left - right)
|
||
|
|
if not last_row:
|
||
|
|
bottom = max(0, top - bottom)
|
||
|
|
|
||
|
|
if not pad_edge:
|
||
|
|
if first_column:
|
||
|
|
left = 0
|
||
|
|
if last_column:
|
||
|
|
right = 0
|
||
|
|
if first_row:
|
||
|
|
top = 0
|
||
|
|
if last_row:
|
||
|
|
bottom = 0
|
||
|
|
_padding = (top, right, bottom, left)
|
||
|
|
_padding_cache[(first_row, last_row)] = _padding
|
||
|
|
return _padding
|
||
|
|
|
||
|
|
raw_cells: List[Tuple[StyleType, "RenderableType"]] = []
|
||
|
|
_append = raw_cells.append
|
||
|
|
get_style = console.get_style
|
||
|
|
if self.show_header:
|
||
|
|
header_style = get_style(self.header_style or "") + get_style(
|
||
|
|
column.header_style
|
||
|
|
)
|
||
|
|
_append((header_style, column.header))
|
||
|
|
cell_style = get_style(column.style or "")
|
||
|
|
for cell in column.cells:
|
||
|
|
_append((cell_style, cell))
|
||
|
|
if self.show_footer:
|
||
|
|
footer_style = get_style(self.footer_style or "") + get_style(
|
||
|
|
column.footer_style
|
||
|
|
)
|
||
|
|
_append((footer_style, column.footer))
|
||
|
|
|
||
|
|
if any_padding:
|
||
|
|
_Padding = Padding
|
||
|
|
for first, last, (style, renderable) in loop_first_last(raw_cells):
|
||
|
|
yield _Cell(
|
||
|
|
style,
|
||
|
|
_Padding(renderable, get_padding(first, last)),
|
||
|
|
getattr(renderable, "vertical", None) or column.vertical,
|
||
|
|
)
|
||
|
|
else:
|
||
|
|
for (style, renderable) in raw_cells:
|
||
|
|
yield _Cell(
|
||
|
|
style,
|
||
|
|
renderable,
|
||
|
|
getattr(renderable, "vertical", None) or column.vertical,
|
||
|
|
)
|
||
|
|
|
||
|
|
def _get_padding_width(self, column_index: int) -> int:
|
||
|
|
"""Get extra width from padding."""
|
||
|
|
_, pad_right, _, pad_left = self.padding
|
||
|
|
if self.collapse_padding:
|
||
|
|
if column_index > 0:
|
||
|
|
pad_left = max(0, pad_left - pad_right)
|
||
|
|
return pad_left + pad_right
|
||
|
|
|
||
|
|
def _measure_column(
|
||
|
|
self,
|
||
|
|
console: "Console",
|
||
|
|
options: "ConsoleOptions",
|
||
|
|
column: Column,
|
||
|
|
) -> Measurement:
|
||
|
|
"""Get the minimum and maximum width of the column."""
|
||
|
|
|
||
|
|
max_width = options.max_width
|
||
|
|
if max_width < 1:
|
||
|
|
return Measurement(0, 0)
|
||
|
|
|
||
|
|
padding_width = self._get_padding_width(column._index)
|
||
|
|
|
||
|
|
if column.width is not None:
|
||
|
|
# Fixed width column
|
||
|
|
return Measurement(
|
||
|
|
column.width + padding_width, column.width + padding_width
|
||
|
|
).with_maximum(max_width)
|
||
|
|
# Flexible column, we need to measure contents
|
||
|
|
min_widths: List[int] = []
|
||
|
|
max_widths: List[int] = []
|
||
|
|
append_min = min_widths.append
|
||
|
|
append_max = max_widths.append
|
||
|
|
get_render_width = Measurement.get
|
||
|
|
for cell in self._get_cells(console, column._index, column):
|
||
|
|
_min, _max = get_render_width(console, options, cell.renderable)
|
||
|
|
append_min(_min)
|
||
|
|
append_max(_max)
|
||
|
|
|
||
|
|
measurement = Measurement(
|
||
|
|
max(min_widths) if min_widths else 1,
|
||
|
|
max(max_widths) if max_widths else max_width,
|
||
|
|
).with_maximum(max_width)
|
||
|
|
measurement = measurement.clamp(
|
||
|
|
None if column.min_width is None else column.min_width + padding_width,
|
||
|
|
None if column.max_width is None else column.max_width + padding_width,
|
||
|
|
)
|
||
|
|
return measurement
|
||
|
|
|
||
|
|
def _render(
|
||
|
|
self, console: "Console", options: "ConsoleOptions", widths: List[int]
|
||
|
|
) -> "RenderResult":
|
||
|
|
table_style = console.get_style(self.style or "")
|
||
|
|
|
||
|
|
border_style = table_style + console.get_style(self.border_style or "")
|
||
|
|
_column_cells = (
|
||
|
|
self._get_cells(console, column_index, column)
|
||
|
|
for column_index, column in enumerate(self.columns)
|
||
|
|
)
|
||
|
|
row_cells: List[Tuple[_Cell, ...]] = list(zip(*_column_cells))
|
||
|
|
_box = (
|
||
|
|
self.box.substitute(
|
||
|
|
options, safe=pick_bool(self.safe_box, console.safe_box)
|
||
|
|
)
|
||
|
|
if self.box
|
||
|
|
else None
|
||
|
|
)
|
||
|
|
_box = _box.get_plain_headed_box() if _box and not self.show_header else _box
|
||
|
|
|
||
|
|
new_line = Segment.line()
|
||
|
|
|
||
|
|
columns = self.columns
|
||
|
|
show_header = self.show_header
|
||
|
|
show_footer = self.show_footer
|
||
|
|
show_edge = self.show_edge
|
||
|
|
show_lines = self.show_lines
|
||
|
|
leading = self.leading
|
||
|
|
|
||
|
|
_Segment = Segment
|
||
|
|
if _box:
|
||
|
|
box_segments = [
|
||
|
|
(
|
||
|
|
_Segment(_box.head_left, border_style),
|
||
|
|
_Segment(_box.head_right, border_style),
|
||
|
|
_Segment(_box.head_vertical, border_style),
|
||
|
|
),
|
||
|
|
(
|
||
|
|
_Segment(_box.foot_left, border_style),
|
||
|
|
_Segment(_box.foot_right, border_style),
|
||
|
|
_Segment(_box.foot_vertical, border_style),
|
||
|
|
),
|
||
|
|
(
|
||
|
|
_Segment(_box.mid_left, border_style),
|
||
|
|
_Segment(_box.mid_right, border_style),
|
||
|
|
_Segment(_box.mid_vertical, border_style),
|
||
|
|
),
|
||
|
|
]
|
||
|
|
if show_edge:
|
||
|
|
yield _Segment(_box.get_top(widths), border_style)
|
||
|
|
yield new_line
|
||
|
|
else:
|
||
|
|
box_segments = []
|
||
|
|
|
||
|
|
get_row_style = self.get_row_style
|
||
|
|
get_style = console.get_style
|
||
|
|
|
||
|
|
for index, (first, last, row_cell) in enumerate(loop_first_last(row_cells)):
|
||
|
|
header_row = first and show_header
|
||
|
|
footer_row = last and show_footer
|
||
|
|
row = (
|
||
|
|
self.rows[index - show_header]
|
||
|
|
if (not header_row and not footer_row)
|
||
|
|
else None
|
||
|
|
)
|
||
|
|
max_height = 1
|
||
|
|
cells: List[List[List[Segment]]] = []
|
||
|
|
if header_row or footer_row:
|
||
|
|
row_style = Style.null()
|
||
|
|
else:
|
||
|
|
row_style = get_style(
|
||
|
|
get_row_style(console, index - 1 if show_header else index)
|
||
|
|
)
|
||
|
|
for width, cell, column in zip(widths, row_cell, columns):
|
||
|
|
render_options = options.update(
|
||
|
|
width=width,
|
||
|
|
justify=column.justify,
|
||
|
|
no_wrap=column.no_wrap,
|
||
|
|
overflow=column.overflow,
|
||
|
|
height=None,
|
||
|
|
)
|
||
|
|
lines = console.render_lines(
|
||
|
|
cell.renderable,
|
||
|
|
render_options,
|
||
|
|
style=get_style(cell.style) + row_style,
|
||
|
|
)
|
||
|
|
max_height = max(max_height, len(lines))
|
||
|
|
cells.append(lines)
|
||
|
|
|
||
|
|
row_height = max(len(cell) for cell in cells)
|
||
|
|
|
||
|
|
def align_cell(
|
||
|
|
cell: List[List[Segment]],
|
||
|
|
vertical: "VerticalAlignMethod",
|
||
|
|
width: int,
|
||
|
|
style: Style,
|
||
|
|
) -> List[List[Segment]]:
|
||
|
|
if header_row:
|
||
|
|
vertical = "bottom"
|
||
|
|
elif footer_row:
|
||
|
|
vertical = "top"
|
||
|
|
|
||
|
|
if vertical == "top":
|
||
|
|
return _Segment.align_top(cell, width, row_height, style)
|
||
|
|
elif vertical == "middle":
|
||
|
|
return _Segment.align_middle(cell, width, row_height, style)
|
||
|
|
return _Segment.align_bottom(cell, width, row_height, style)
|
||
|
|
|
||
|
|
cells[:] = [
|
||
|
|
_Segment.set_shape(
|
||
|
|
align_cell(
|
||
|
|
cell,
|
||
|
|
_cell.vertical,
|
||
|
|
width,
|
||
|
|
get_style(_cell.style) + row_style,
|
||
|
|
),
|
||
|
|
width,
|
||
|
|
max_height,
|
||
|
|
)
|
||
|
|
for width, _cell, cell, column in zip(widths, row_cell, cells, columns)
|
||
|
|
]
|
||
|
|
|
||
|
|
if _box:
|
||
|
|
if last and show_footer:
|
||
|
|
yield _Segment(
|
||
|
|
_box.get_row(widths, "foot", edge=show_edge), border_style
|
||
|
|
)
|
||
|
|
yield new_line
|
||
|
|
left, right, _divider = box_segments[0 if first else (2 if last else 1)]
|
||
|
|
|
||
|
|
# If the column divider is whitespace also style it with the row background
|
||
|
|
divider = (
|
||
|
|
_divider
|
||
|
|
if _divider.text.strip()
|
||
|
|
else _Segment(
|
||
|
|
_divider.text, row_style.background_style + _divider.style
|
||
|
|
)
|
||
|
|
)
|
||
|
|
for line_no in range(max_height):
|
||
|
|
if show_edge:
|
||
|
|
yield left
|
||
|
|
for last_cell, rendered_cell in loop_last(cells):
|
||
|
|
yield from rendered_cell[line_no]
|
||
|
|
if not last_cell:
|
||
|
|
yield divider
|
||
|
|
if show_edge:
|
||
|
|
yield right
|
||
|
|
yield new_line
|
||
|
|
else:
|
||
|
|
for line_no in range(max_height):
|
||
|
|
for rendered_cell in cells:
|
||
|
|
yield from rendered_cell[line_no]
|
||
|
|
yield new_line
|
||
|
|
if _box and first and show_header:
|
||
|
|
yield _Segment(
|
||
|
|
_box.get_row(widths, "head", edge=show_edge), border_style
|
||
|
|
)
|
||
|
|
yield new_line
|
||
|
|
end_section = row and row.end_section
|
||
|
|
if _box and (show_lines or leading or end_section):
|
||
|
|
if (
|
||
|
|
not last
|
||
|
|
and not (show_footer and index >= len(row_cells) - 2)
|
||
|
|
and not (show_header and header_row)
|
||
|
|
):
|
||
|
|
if leading:
|
||
|
|
yield _Segment(
|
||
|
|
_box.get_row(widths, "mid", edge=show_edge) * leading,
|
||
|
|
border_style,
|
||
|
|
)
|
||
|
|
else:
|
||
|
|
yield _Segment(
|
||
|
|
_box.get_row(widths, "row", edge=show_edge), border_style
|
||
|
|
)
|
||
|
|
yield new_line
|
||
|
|
|
||
|
|
if _box and show_edge:
|
||
|
|
yield _Segment(_box.get_bottom(widths), border_style)
|
||
|
|
yield new_line
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == "__main__": # pragma: no cover
|
||
|
|
from pip._vendor.rich.console import Console
|
||
|
|
from pip._vendor.rich.highlighter import ReprHighlighter
|
||
|
|
from pip._vendor.rich.table import Table as Table
|
||
|
|
|
||
|
|
from ._timer import timer
|
||
|
|
|
||
|
|
with timer("Table render"):
|
||
|
|
table = Table(
|
||
|
|
title="Star Wars Movies",
|
||
|
|
caption="Rich example table",
|
||
|
|
caption_justify="right",
|
||
|
|
)
|
||
|
|
|
||
|
|
table.add_column(
|
||
|
|
"Released", header_style="bright_cyan", style="cyan", no_wrap=True
|
||
|
|
)
|
||
|
|
table.add_column("Title", style="magenta")
|
||
|
|
table.add_column("Box Office", justify="right", style="green")
|
||
|
|
|
||
|
|
table.add_row(
|
||
|
|
"Dec 20, 2019",
|
||
|
|
"Star Wars: The Rise of Skywalker",
|
||
|
|
"$952,110,690",
|
||
|
|
)
|
||
|
|
table.add_row("May 25, 2018", "Solo: A Star Wars Story", "$393,151,347")
|
||
|
|
table.add_row(
|
||
|
|
"Dec 15, 2017",
|
||
|
|
"Star Wars Ep. V111: The Last Jedi",
|
||
|
|
"$1,332,539,889",
|
||
|
|
style="on black",
|
||
|
|
end_section=True,
|
||
|
|
)
|
||
|
|
table.add_row(
|
||
|
|
"Dec 16, 2016",
|
||
|
|
"Rogue One: A Star Wars Story",
|
||
|
|
"$1,332,439,889",
|
||
|
|
)
|
||
|
|
|
||
|
|
def header(text: str) -> None:
|
||
|
|
console.print()
|
||
|
|
console.rule(highlight(text))
|
||
|
|
console.print()
|
||
|
|
|
||
|
|
console = Console()
|
||
|
|
highlight = ReprHighlighter()
|
||
|
|
header("Example Table")
|
||
|
|
console.print(table, justify="center")
|
||
|
|
|
||
|
|
table.expand = True
|
||
|
|
header("expand=True")
|
||
|
|
console.print(table)
|
||
|
|
|
||
|
|
table.width = 50
|
||
|
|
header("width=50")
|
||
|
|
|
||
|
|
console.print(table, justify="center")
|
||
|
|
|
||
|
|
table.width = None
|
||
|
|
table.expand = False
|
||
|
|
table.row_styles = ["dim", "none"]
|
||
|
|
header("row_styles=['dim', 'none']")
|
||
|
|
|
||
|
|
console.print(table, justify="center")
|
||
|
|
|
||
|
|
table.width = None
|
||
|
|
table.expand = False
|
||
|
|
table.row_styles = ["dim", "none"]
|
||
|
|
table.leading = 1
|
||
|
|
header("leading=1, row_styles=['dim', 'none']")
|
||
|
|
console.print(table, justify="center")
|
||
|
|
|
||
|
|
table.width = None
|
||
|
|
table.expand = False
|
||
|
|
table.row_styles = ["dim", "none"]
|
||
|
|
table.show_lines = True
|
||
|
|
table.leading = 0
|
||
|
|
header("show_lines=True, row_styles=['dim', 'none']")
|
||
|
|
console.print(table, justify="center")
|