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__pycache__/	dir	-	0755	2024-04-23 15:27:53
__init__.py	file	6,066 B	0644	2024-03-04 23:07:14	edit
__main__.py	file	8,333 B	0644	2024-03-04 23:07:14	edit
_cell_widths.py	file	10,209 B	0644	2024-03-04 23:07:14	edit
_emoji_codes.py	file	140,235 B	0644	2024-03-04 23:07:14	edit
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_extension.py	file	241 B	0644	2024-03-04 23:07:14	edit
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_inspect.py	file	9,695 B	0644	2024-03-04 23:07:14	edit
_log_render.py	file	3,213 B	0644	2024-03-04 23:07:14	edit
_loop.py	file	1,236 B	0644	2024-03-04 23:07:14	edit
_null_file.py	file	1,387 B	0644	2024-03-04 23:07:14	edit
_palettes.py	file	7,063 B	0644	2024-03-04 23:07:14	edit
_pick.py	file	423 B	0644	2024-03-04 23:07:14	edit
_ratio.py	file	5,459 B	0644	2024-03-04 23:07:14	edit
_spinners.py	file	19,919 B	0644	2024-03-04 23:07:14	edit
_stack.py	file	351 B	0644	2024-03-04 23:07:14	edit
_timer.py	file	417 B	0644	2024-03-04 23:07:14	edit
_win32_console.py	file	22,784 B	0644	2024-03-04 23:07:14	edit
_windows.py	file	1,901 B	0644	2024-03-04 23:07:14	edit
_windows_renderer.py	file	2,759 B	0644	2024-03-04 23:07:14	edit
_wrap.py	file	3,404 B	0644	2024-03-04 23:07:14	edit
abc.py	file	878 B	0644	2024-03-04 23:07:14	edit
align.py	file	10,320 B	0644	2024-03-04 23:07:14	edit
ansi.py	file	6,906 B	0644	2024-03-04 23:07:14	edit
bar.py	file	3,263 B	0644	2024-03-04 23:07:14	edit
box.py	file	10,783 B	0644	2024-03-04 23:07:14	edit
cells.py	file	4,780 B	0644	2024-03-04 23:07:14	edit
color.py	file	18,223 B	0644	2024-03-04 23:07:14	edit
color_triplet.py	file	1,054 B	0644	2024-03-04 23:07:14	edit
columns.py	file	7,131 B	0644	2024-03-04 23:07:14	edit
console.py	file	99,101 B	0644	2024-03-04 23:07:14	edit
constrain.py	file	1,288 B	0644	2024-03-04 23:07:14	edit
containers.py	file	5,502 B	0644	2024-03-04 23:07:14	edit
control.py	file	6,606 B	0644	2024-03-04 23:07:14	edit
default_styles.py	file	8,046 B	0644	2024-03-04 23:07:14	edit
diagnose.py	file	924 B	0644	2024-03-04 23:07:14	edit
emoji.py	file	2,465 B	0644	2024-03-04 23:07:14	edit
errors.py	file	642 B	0644	2024-03-04 23:07:14	edit
file_proxy.py	file	1,683 B	0644	2024-03-04 23:07:14	edit
filesize.py	file	2,508 B	0644	2024-03-04 23:07:14	edit
highlighter.py	file	9,585 B	0644	2024-03-04 23:07:14	edit
json.py	file	5,019 B	0644	2024-03-04 23:07:14	edit
jupyter.py	file	3,228 B	0644	2024-03-04 23:07:14	edit
layout.py	file	13,944 B	0644	2024-03-04 23:07:14	edit
live.py	file	14,271 B	0644	2024-03-04 23:07:14	edit
live_render.py	file	3,654 B	0644	2024-03-04 23:07:14	edit
logging.py	file	11,891 B	0644	2024-03-04 23:07:14	edit
markdown.py	file	26,167 B	0644	2024-03-04 23:07:14	edit
markup.py	file	8,427 B	0644	2024-03-04 23:07:14	edit
measure.py	file	5,305 B	0644	2024-03-04 23:07:14	edit
padding.py	file	4,958 B	0644	2024-03-04 23:07:14	edit
pager.py	file	828 B	0644	2024-03-04 23:07:14	edit
palette.py	file	3,288 B	0644	2024-03-04 23:07:14	edit
panel.py	file	10,705 B	0644	2024-03-04 23:07:14	edit
pretty.py	file	35,812 B	0644	2024-03-04 23:07:14	edit
progress.py	file	59,703 B	0644	2024-03-04 23:07:14	edit
progress_bar.py	file	8,164 B	0644	2024-03-04 23:07:14	edit
prompt.py	file	11,292 B	0644	2024-03-04 23:07:14	edit
protocol.py	file	1,367 B	0644	2024-03-04 23:07:14	edit
py.typed	file	0 B	0644	2024-03-04 23:07:14	edit
region.py	file	166 B	0644	2024-03-04 23:07:14	edit
repr.py	file	4,419 B	0644	2024-03-04 23:07:14	edit
rule.py	file	4,590 B	0644	2024-03-04 23:07:14	edit
scope.py	file	2,831 B	0644	2024-03-04 23:07:14	edit
screen.py	file	1,579 B	0644	2024-03-04 23:07:14	edit
segment.py	file	24,210 B	0644	2024-03-04 23:07:14	edit
spinner.py	file	4,339 B	0644	2024-03-04 23:07:14	edit
status.py	file	4,424 B	0644	2024-03-04 23:07:14	edit
style.py	file	27,073 B	0644	2024-03-04 23:07:14	edit
styled.py	file	1,234 B	0644	2024-03-04 23:07:14	edit
syntax.py	file	35,367 B	0644	2024-03-04 23:07:14	edit
table.py	file	39,644 B	0644	2024-03-04 23:07:14	edit
terminal_theme.py	file	3,370 B	0644	2024-03-04 23:07:14	edit
text.py	file	47,300 B	0644	2024-03-04 23:07:14	edit
theme.py	file	3,777 B	0644	2024-03-04 23:07:14	edit
themes.py	file	102 B	0644	2024-03-04 23:07:14	edit
traceback.py	file	29,529 B	0644	2024-03-04 23:07:14	edit
tree.py	file	9,107 B	0644	2024-03-04 23:07:14	edit

editing: _wrap.py

from __future__ import annotations

import re
from typing import Iterable

from ._loop import loop_last
from .cells import cell_len, chop_cells

re_word = re.compile(r"\s*\S+\s*")

def words(text: str) -> Iterable[tuple[int, int, str]]:
    """Yields each word from the text as a tuple
    containing (start_index, end_index, word). A "word" in this context may
    include the actual word and any whitespace to the right.
    """
    position = 0
    word_match = re_word.match(text, position)
    while word_match is not None:
        start, end = word_match.span()
        word = word_match.group(0)
        yield start, end, word
        word_match = re_word.match(text, end)

def divide_line(text: str, width: int, fold: bool = True) -> list[int]:
    """Given a string of text, and a width (measured in cells), return a list
    of cell offsets which the string should be split at in order for it to fit
    within the given width.

Args:
        text: The text to examine.
        width: The available cell width.
        fold: If True, words longer than `width` will be folded onto a new line.

Returns:
        A list of indices to break the line at.
    """
    break_positions: list[int] = []  # offsets to insert the breaks at
    append = break_positions.append
    cell_offset = 0
    _cell_len = cell_len

for start, _end, word in words(text):
        word_length = _cell_len(word.rstrip())
        remaining_space = width - cell_offset
        word_fits_remaining_space = remaining_space >= word_length

if word_fits_remaining_space:
            # Simplest case - the word fits within the remaining width for this line.
            cell_offset += _cell_len(word)
        else:
            # Not enough space remaining for this word on the current line.
            if word_length > width:
                # The word doesn't fit on any line, so we can't simply
                # place it on the next line...
                if fold:
                    # Fold the word across multiple lines.
                    folded_word = chop_cells(word, width=width)
                    for last, line in loop_last(folded_word):
                        if start:
                            append(start)
                        if last:
                            cell_offset = _cell_len(line)
                        else:
                            start += len(line)
                else:
                    # Folding isn't allowed, so crop the word.
                    if start:
                        append(start)
                    cell_offset = _cell_len(word)
            elif cell_offset and start:
                # The word doesn't fit within the remaining space on the current
                # line, but it *can* fit on to the next (empty) line.
                append(start)
                cell_offset = _cell_len(word)

return break_positions

if __name__ == "__main__":  # pragma: no cover
    from .console import Console

console = Console(width=10)
    console.print("12345 abcdefghijklmnopqrstuvwyxzABCDEFGHIJKLMNOPQRSTUVWXYZ 12345")
    print(chop_cells("abcdefghijklmnopqrstuvwxyz", 10))

console = Console(width=20)
    console.rule()
    console.print("TextualはPythonの高速アプリケーション開発フレームワークです")

console.rule()
    console.print("アプリケーションは1670万色を使用でき")

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