visual indentation

[Skip Montanaro]

    Hilbert> I'm using CGKit in python which has a Renderman binding, so to
    Hilbert> output the same RIB I'd write:

    Hilbert> RiWorldBegin()
    Hilbert>     RiColor(1.0,1.0,1.0)
    Hilbert>     RiSurface('constant')
    Hilbert>     RiSphere(1.0,-1.0,1.0,360)
    Hilbert> RiWorldEnd()

    Hilbert> But I get an error, because python interprets my indentation as
    Hilbert> a block in the python code.

As it should, because whitespace is significant in Python.

    Hilbert> So the only way to write this is without the indentation:

    Hilbert> RiWorldBegin()
    Hilbert> RiColor(1.0,1.0,1.0)
    Hilbert> RiSurface('constant')
    Hilbert> RiSphere(1.0,-1.0,1.0,360)
    Hilbert> RiWorldEnd()

    Hilbert> But this is a lot harder to read.

    Hilbert> Is there any way to use such "visual" indentation in python?

In this case, just use "if 1:"

    RiWorldBegin()
    if 1:
        RiColor(1.0,1.0,1.0)
        RiSurface('constant')
        RiSphere(1.0,-1.0,1.0,360)
    RiWorldEnd()

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