Python - from byte code to Python source code

Question

I am going through scipy source code and: some optimization routine calls a function slsqp,

    # Call SLSQP
    slsqp(m, meq, x, xl, xu, fx, c, g, a, acc, majiter, mode, w, jw)

However, I cannot find the code for the body of this function. The file containing main wrapping routine with this function call is names slsqp.py. First statement in this module is

    from _slsqp import slsqp

so most probably details for this function are in _slsqp. However, in file (scipy 2.6, optimize lib), only _slsqp.pyc is available, not source code.

Is there a way to dissassemble? I have dis.dis in import dis, however this does not bring any source code. Or is source code available somewhere in scipy?

Kind regards.

John Machin · Accepted Answer · 2012-03-14 21:56:37Z

1

_slsqp will be imported from a .so or .pyd file, depending on your OS. This means that the module is coded in C. scipy is open source. Of course the source code is available somewhere.

answered Mar 14, 2012 at 21:56

John Machin

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2 Comments

Fred Foo Over a year ago

Fortran, actually.

kiriloff Over a year ago

That is what I was afraid of, Fortran.

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