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?? ..
?? __init__.py(5.95 KB)
?? __main__.py(8.28 KB)
?? __pycache__
?? _cell_widths.py(9.86 KB)
?? _emoji_codes.py(136.95 KB)
?? _emoji_replace.py(1.04 KB)
?? _export_format.py(2.05 KB)
?? _extension.py(265 B)
?? _fileno.py(799 B)
?? _inspect.py(9.47 KB)
?? _log_render.py(3.15 KB)
?? _loop.py(1.21 KB)
?? _null_file.py(1.35 KB)
?? _palettes.py(6.9 KB)
?? _pick.py(423 B)
?? _ratio.py(5.34 KB)
?? _spinners.py(19.45 KB)
?? _stack.py(351 B)
?? _timer.py(417 B)
?? _win32_console.py(22.29 KB)
?? _windows.py(1.88 KB)
?? _windows_renderer.py(2.72 KB)
?? _wrap.py(1.8 KB)
?? abc.py(890 B)
?? align.py(10.13 KB)
?? ansi.py(6.74 KB)
?? bar.py(3.19 KB)
?? box.py(9.61 KB)
?? cells.py(4.4 KB)
?? color.py(17.8 KB)
?? color_triplet.py(1.03 KB)
?? columns.py(6.96 KB)
?? console.py(96.89 KB)
?? constrain.py(1.26 KB)
?? containers.py(5.37 KB)
?? control.py(6.47 KB)
?? default_styles.py(7.89 KB)
?? diagnose.py(972 B)
?? emoji.py(2.44 KB)
?? errors.py(642 B)
?? file_proxy.py(1.64 KB)
?? filesize.py(2.45 KB)
?? highlighter.py(9.36 KB)
?? json.py(4.91 KB)
?? jupyter.py(3.18 KB)
?? layout.py(13.68 KB)
?? live.py(13.94 KB)
?? live_render.py(3.58 KB)
?? logging.py(11.62 KB)
?? markup.py(8.01 KB)
?? measure.py(5.18 KB)
?? padding.py(4.85 KB)
?? pager.py(828 B)
?? palette.py(3.32 KB)
?? panel.py(10.33 KB)
?? pretty.py(35.01 KB)
?? progress.py(58.31 KB)
?? progress_bar.py(7.97 KB)
?? prompt.py(11.04 KB)
?? protocol.py(1.36 KB)
?? py.typed(0 B)
?? region.py(166 B)
?? repr.py(4.33 KB)
?? rule.py(4.49 KB)
?? scope.py(2.78 KB)
?? screen.py(1.55 KB)
?? segment.py(23.68 KB)
?? spinner.py(4.24 KB)
?? status.py(4.32 KB)
?? style.py(26.44 KB)
?? styled.py(1.23 KB)
?? syntax.py(34.35 KB)
?? table.py(38.75 KB)
?? terminal_theme.py(3.29 KB)
?? text.py(44.46 KB)
?? theme.py(3.69 KB)
?? themes.py(102 B)
?? traceback.py(28.91 KB)
?? tree.py(8.95 KB)

Editing: cells.py

import re
from functools import lru_cache
from typing import Callable, List

from ._cell_widths import CELL_WIDTHS

# Regex to match sequence of the most common character ranges
_is_single_cell_widths = re.compile("^[\u0020-\u006f\u00a0\u02ff\u0370-\u0482]*$").match

@lru_cache(4096)
def cached_cell_len(text: str) -> int:
    """Get the number of cells required to display text.

This method always caches, which may use up a lot of memory. It is recommended to use
    `cell_len` over this method.

Args:
        text (str): Text to display.

Returns:
        int: Get the number of cells required to display text.
    """
    _get_size = get_character_cell_size
    total_size = sum(_get_size(character) for character in text)
    return total_size

def cell_len(text: str, _cell_len: Callable[[str], int] = cached_cell_len) -> int:
    """Get the number of cells required to display text.

Args:
        text (str): Text to display.

Returns:
        int: Get the number of cells required to display text.
    """
    if len(text) < 512:
        return _cell_len(text)
    _get_size = get_character_cell_size
    total_size = sum(_get_size(character) for character in text)
    return total_size

@lru_cache(maxsize=4096)
def get_character_cell_size(character: str) -> int:
    """Get the cell size of a character.

Args:
        character (str): A single character.

Returns:
        int: Number of cells (0, 1 or 2) occupied by that character.
    """
    return _get_codepoint_cell_size(ord(character))

@lru_cache(maxsize=4096)
def _get_codepoint_cell_size(codepoint: int) -> int:
    """Get the cell size of a character.

Args:
        codepoint (int): Codepoint of a character.

Returns:
        int: Number of cells (0, 1 or 2) occupied by that character.
    """

_table = CELL_WIDTHS
    lower_bound = 0
    upper_bound = len(_table) - 1
    index = (lower_bound + upper_bound) // 2
    while True:
        start, end, width = _table[index]
        if codepoint < start:
            upper_bound = index - 1
        elif codepoint > end:
            lower_bound = index + 1
        else:
            return 0 if width == -1 else width
        if upper_bound < lower_bound:
            break
        index = (lower_bound + upper_bound) // 2
    return 1

def set_cell_size(text: str, total: int) -> str:
    """Set the length of a string to fit within given number of cells."""

if _is_single_cell_widths(text):
        size = len(text)
        if size < total:
            return text + " " * (total - size)
        return text[:total]

if total <= 0:
        return ""
    cell_size = cell_len(text)
    if cell_size == total:
        return text
    if cell_size < total:
        return text + " " * (total - cell_size)

start = 0
    end = len(text)

# Binary search until we find the right size
    while True:
        pos = (start + end) // 2
        before = text[: pos + 1]
        before_len = cell_len(before)
        if before_len == total + 1 and cell_len(before[-1]) == 2:
            return before[:-1] + " "
        if before_len == total:
            return before
        if before_len > total:
            end = pos
        else:
            start = pos

# TODO: This is inefficient
# TODO: This might not work with CWJ type characters
def chop_cells(text: str, max_size: int, position: int = 0) -> List[str]:
    """Break text in to equal (cell) length strings, returning the characters in reverse
    order"""
    _get_character_cell_size = get_character_cell_size
    characters = [
        (character, _get_character_cell_size(character)) for character in text
    ]
    total_size = position
    lines: List[List[str]] = [[]]
    append = lines[-1].append

for character, size in reversed(characters):
        if total_size + size > max_size:
            lines.append([character])
            append = lines[-1].append
            total_size = size
        else:
            total_size += size
            append(character)

return ["".join(line) for line in lines]

if __name__ == "__main__":  # pragma: no cover

print(get_character_cell_size("😽"))
    for line in chop_cells("""这是对亚洲语言支持的测试。面对模棱两可的想法，拒绝猜测的诱惑。""", 8):
        print(line)
    for n in range(80, 1, -1):
        print(set_cell_size("""这是对亚洲语言支持的测试。面对模棱两可的想法，拒绝猜测的诱惑。""", n) + "|")
        print("x" * n)

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Editing: cells.py

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