ntpp.py

import pprint


def ntpp(x, *, l=0):
    indent = l * 4 * ' '
    if hasattr(x, '_fields'):
        return ''.join((
            type(x).__name__ + '(\n',
            *(
                indent + '    ' +
                f + '=' + ntpp(getattr(x, f), l=l + 1) + ',\n'
                for f in x._fields
            ),
            indent + ')',
        ))
    elif isinstance(x, list):
        if not x:
            return '[]'
        else:
            return ''.join((
                '[\n',
                *(indent + '    ' + ntpp(e, l=l + 1) + ',\n' for e in x),
                indent + ']',
            ))
    elif isinstance(x, tuple):
        if not x:
            return '()'
        else:
            return ''.join((
                '(\n',
                *(indent + '    ' + ntpp(e, l=l + 1) + ',\n' for e in x),
                indent + ')',
            ))
    elif isinstance(x, str) and '\n' in x.strip('\n'):
        return ''.join((
            '(\n',
            *(
                indent + '    ' + repr(line) + '\n'
                for line in x.splitlines(True)
            ),
            indent + ')',
        ))
    else:
        return pprint.pformat(x, depth=l)