Function _get_positions_width

Lib/dis.py:879–894

(code)

    return lineno_width

def _get_positions_width(code):
    # Positions are formatted as 'LINE:COL-ENDLINE:ENDCOL ' (note trailing space).
    # A missing component appears as '?', and when all components are None, we
    # render '_NO_LINENO'. thus the minimum width is 1 + len(_NO_LINENO).
    #
    # If all values are missing, positions are not printed (i.e. positions_width = 0).
    has_value = False
    values_width = 0
    for positions in code.co_positions():
        has_value |= any(isinstance(p, int) for p in positions)
        width = sum(1 if p is None else len(str(p)) for p in positions)
        values_width = max(width, values_width)
    if has_value:
        # 3 = number of separators in a normal format
        return 1 + max(len(_NO_LINENO), 3 + values_width)
    return 0

def _disassemble_bytes(code, lasti=-1, linestarts=None,
                       *, line_offset=0, exception_entries=(),