[Cython] Accessing C attributes from Python functions in the interpreter

[Johannes Wienke]

Am 06/08/2008 02:00 AM schrieb Robert Bradshaw:
> Where are you setting your myData? If you do
> 
>     Foo().doSomething()
> 
> then it will segfault because the data isn't set yet. If you have
> 
>     def set_data_from_python(self, py_string):
>         self.myData = py_string
> 
> Then the conversion will happen, but myData is set to point to the 
> inside of py_string (i.e. no copying is actually done) and so the 
> instant py_string gets deallocated the actual char* gets reclaimed.

That's not the problem. My data is set by an external library that I 
have opened before. I've also double-checked that it is set. But somehow 
in another self than the one used when calling the data.

Johannes

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