[PyKDE] SIP: assigning None to public variable which is user defined type crashes SIP extensions.

[Gerard Vermeulen]

The SIP extension for

class Double
{
public:
    Double(double v=0): value(v) {}
private:
    double value;
};

class Ball
{
public:
    Ball() {};
    double weight;
    Double radius;
};

crashes when doing

b = Ball()
b.radius = None

because in this case the statement
        sipCpp -> radius = *val;
in var_Ball_radius() dereferences the null pointer

See attachment.

Gerard
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