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rich
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..
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__init__.py
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__main__.py
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__pycache__
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_cell_widths.py
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_emoji_codes.py
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_emoji_replace.py
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_export_format.py
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_extension.py
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_fileno.py
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_inspect.py
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_log_render.py
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_loop.py
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_null_file.py
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_palettes.py
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_pick.py
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_ratio.py
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_spinners.py
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_stack.py
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_timer.py
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_win32_console.py
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_windows.py
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_windows_renderer.py
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_wrap.py
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abc.py
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align.py
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ansi.py
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bar.py
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box.py
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cells.py
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color.py
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color_triplet.py
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columns.py
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console.py
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constrain.py
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containers.py
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control.py
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default_styles.py
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diagnose.py
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emoji.py
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errors.py
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file_proxy.py
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filesize.py
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highlighter.py
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json.py
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jupyter.py
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layout.py
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live.py
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live_render.py
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logging.py
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markup.py
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measure.py
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padding.py
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pager.py
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palette.py
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panel.py
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pretty.py
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progress.py
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progress_bar.py
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prompt.py
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protocol.py
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py.typed
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region.py
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repr.py
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rule.py
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scope.py
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screen.py
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segment.py
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spinner.py
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status.py
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style.py
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styled.py
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syntax.py
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table.py
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terminal_theme.py
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text.py
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theme.py
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themes.py
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traceback.py
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tree.py
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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("TextualใฏPythonใฎ้ซ้ใขใใชใฑใผใทใงใณ้็บใใฌใผใ ใฏใผใฏใงใ") console.rule() console.print("ใขใใชใฑใผใทใงใณใฏ1670ไธ่ฒใไฝฟ็จใงใ")
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