[Cython] Generated function has invalid name when converting from python object to C struct defined in C++ namespace

[Daniel Grunwald]

Hello,

I have Cython code like this:
    cdef extern from "cpp_library.h" namespace "CppLibrary":
        struct SomeStruct:
            int i
        void do_with_struct(SomeStruct s)

    def run():
        do_with_struct(object())

With cython 0.21.1, invalid C++ code is generated:
   struct CppLibrary::SomeStruct;
   static struct CppLibrary::SomeStruct 
__pyx_convert__from_py_CppLibrary::SomeStruct(PyObject *);

With cython master, a compiler error occurs:
    @cname("__pyx_convert__from_py_CppLibrary::SomeStruct")
    cdef SomeStruct __pyx_convert__from_py_CppLibrary::SomeStruct(obj) 
except *:
                                                     ^
    FromPyStructUtility:11:50: Expected an identifier or literal

Cython should mangle the struct name to ensure the helper function has a 
valid name.


Regards,

--
Daniel Grunwald
Axivion GmbH
Nobelstr. 15
70569 Stuttgart
Deutschland
Tel: +49 711 6204378-33
Fax: +49 711 6204378-99

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