Function _wrap_text_to_colwidths

tabulate/__init__.py:1666–1718

(
    list_of_lists,
    colwidths,
    numparses=True,
    missingval=_DEFAULT_MISSINGVAL,
    break_long_words=_BREAK_LONG_WORDS,
    break_on_hyphens=_BREAK_ON_HYPHENS,
)

def _wrap_text_to_colwidths(
    list_of_lists,
    colwidths,
    numparses=True,
    missingval=_DEFAULT_MISSINGVAL,
    break_long_words=_BREAK_LONG_WORDS,
    break_on_hyphens=_BREAK_ON_HYPHENS,
):
    if len(list_of_lists):
        num_cols = len(list_of_lists[0])
    else:
        num_cols = 0
    numparses = _expand_iterable(numparses, num_cols, True)

    result = []

    for row in list_of_lists:
        new_row = []
        for cell, width, numparse in zip(row, colwidths, numparses):
            if _isnumber(cell) and numparse:
                new_row.append(cell)
                continue

            if width is not None:
                wrapper = _CustomTextWrap(
                    width=width,
                    break_long_words=break_long_words,
                    break_on_hyphens=break_on_hyphens,
                )
                # Cast based on our internal type handling. Any future custom
                # formatting of types (such as datetimes) may need to be more
                # explicit than just `str` of the object. Also doesn't work for
                # custom floatfmt/intfmt, nor with any missing/blank cells.
                casted_cell = (
                    missingval
                    if cell is None
                    else (
                        str(cell)
                        if cell == "" or _isnumber(cell)
                        else str(_type(cell, numparse)(cell))
                    )
                )
                wrapped = [
                    "\n".join(wrapper.wrap(line))
                    for line in casted_cell.splitlines()
                    if line.strip() != ""
                ]
                new_row.append("\n".join(wrapped))
            else:
                new_row.append(cell)
        result.append(new_row)

    return result


def _to_str(s, encoding="utf8", errors="ignore"):