urwid padding decorator

padder.py

from urwid import Padding as _Padding
from functools import partialmethod

def apply_padders(cls):
    padding_count = 100

    for i in range(1, padding_count):
        setattr(cls, 'push_{}'.format(i), partialmethod(_Padding, left=i))
        setattr(cls, 'pull_{}'.format(i), partialmethod(_Padding, right=i))
        setattr(cls, 'center_{}'.format(i),
                partialmethod(_Padding, align='center',
                              width=('relative', i)))
        setattr(cls, 'left_{}'.format(i),
                partialmethod(_Padding, align='left',
                              width=('relative', i)))
        setattr(cls, 'right_{}'.format(i),
                partialmethod(_Padding, align='right',
                              width=('relative', i)))
    return cls


@apply_padders
class Padding:
    """ Padding methods
    .. py:meth:: push_X(:class:`urwid.Widget`)
       This method supports padding the left side of the widget
       from 1-99, for example:
       .. code::
          Padding.push_20(Text("This will be indented 20 columns")
    .. py:meth:: pull_X(:class:`urwid.Widget`)
       This method supports padding the right side of the widget
       from 1-99, for example:
       .. code::
          Padding.pull_20(Text("This will be right indented 20 columns")
    .. py:meth:: center_X(:class:`urwid.Widget`)
       This method centers a widget with X being the relative width of
       the widget.
       .. code::
          Padding.center_10(Text("This will be centered with a "
                                 "width of 10 columns"))
    .. py:meth:: left_X(:class:`urwid.Widget`)
       This method aligns a widget left with X being the relative width of
       the widget.
       .. code::
          Padding.left_10(Text("This will be left aligned with a "
                               "width of 10 columns"))
    .. py:meth:: right_X(:class:`urwid.Widget`)
       This method right aligns a widget with X being the relative width of
       the widget.
       .. code::
          Padding.right_10(Text("This will be right aligned with a "
                                "width of 10 columns"))
    """
    pass