Function px

Lib/pagebot/toolbox/units.py:1615–1642

(v, *args, **kwargs)

#   Px

def px(v, *args, **kwargs):
    u = None
    base = kwargs.get('base', Px.BASE)
    # Not used by Px.
    g = kwargs.get('g', 0)

    # If there are more arguments, bind them together in a list.
    if args:
        v = [v]+list(args)
    if isinstance(v, (tuple, list)):
        u = []
        for uv in v:
            u.append(px(uv, base=base, g=g))
        u = tuple(u)
    elif isinstance(v, (int, float, RelativeUnit)):
        u = Px(v, base=base, g=g)
    elif isinstance(v, str):
        v = v.strip().lower()
        if v.endswith(Px.UNIT):
            v = asNumberOrNone(v[:-2])
            if v is not None:
                u = Px(v, base=base, g=g)
        else:
            # Something else, recursively try again.
            u = units(v, base=base, g=g)
            # Only makes sense for relative if the same.
            assert isinstance(u, Px)
    return u

class Px(RelativeUnit):
    """Answers the `px` (pixel) instance.