Function get_line_indent

Lib/idlelib/format.py:202–209

Return a line's indentation as (# chars, effective # of spaces). The effective # of spaces is the length after properly "expanding" the tabs into spaces, as done by str.expandtabs(tabwidth).

(line, tabwidth)

_line_indent_re = re.compile(r'[ \t]*')

def get_line_indent(line, tabwidth):
    """Return a line's indentation as (# chars, effective # of spaces).

    The effective # of spaces is the length after properly "expanding"
    the tabs into spaces, as done by str.expandtabs(tabwidth).
    """
    m = _line_indent_re.match(line)
    return m.end(), len(m.group().expandtabs(tabwidth))


class FormatRegion: