experimental_lambdify.py 文件源码

def sympy_atoms_namespace(expr):
        """For no real reason this function is separated from
        sympy_expression_namespace. It can be moved to it."""
        atoms = expr.atoms(Symbol, NumberSymbol, I, zoo, oo)
        d = {}
        for a in atoms:
            # XXX debug: print 'atom:' + str(a)
            d[str(a)] = a
        return d