8000 Pycapsule by mdboom · Pull Request #493 · matplotlib/matplotlib · GitHub
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Merged
merged 2 commits into from
Sep 27, 2011
Merged

Pycapsule #493

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0cee09d
Upgrade PyCXX to version 6.2.4 and pull in all of the changes from th…
mdboom Sep 26, 2011
2a13286
Backport all of the CObject -> PyCapsule changes to Python 2.7 from t…
mdboom Sep 26, 2011
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Upgrade PyCXX to version 6.2.4 and pull in all of the changes from th… 
…e matplotlib-py3 branch.
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@mdboom
mdboom committed Sep 26, 2011
commit 0cee09d1f0f7e1a4963a06f23b086483b58b45f0
10 changes: 10 additions & 0 deletions CXX/Python2/Exception.hxx
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Expand Up @@ -163,6 +163,16 @@ namespace Py
}
};

class NotImplementedError: public StandardError
{
public:
NotImplementedError (const std::string& reason)
: StandardError()
{
PyErr_SetString (Py::_Exc_NotImplementedError(), reason.c_str());
}
};

class SystemError: public StandardError
{
public:
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5 changes: 5 additions & 0 deletions CXX/Python2/ExtensionOldType.hxx
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Expand Up @@ -74,6 +74,11 @@ namespace Py
return this;
}

Object self()
{
return asObject( this );
}

protected:
explicit PythonExtension()
: PythonExtensionBase()
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99 changes: 66 additions & 33 deletions CXX/Python2/ExtensionType.hxx
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Expand Up @@ -45,44 +45,67 @@
#define PYCXX_NOARGS_METHOD_DECL( CLS, NAME ) \
static PyObject *PYCXX_NOARGS_METHOD_NAME( NAME )( PyObject *_self, PyObject *, PyObject * ) \
{ \
Py::PythonClassInstance *self_python = reinterpret_cast< Py::PythonClassInstance * >( _self ); \
CLS *self = reinterpret_cast< CLS * >( self_python->m_pycxx_object ); \
Py::Object r( (self->NAME)() ); \
return Py::new_reference_to( r.ptr() ); \
try \
{ \
Py::PythonClassInstance *self_python = reinterpret_cast< Py::PythonClassInstance * >( _self ); \
CLS *self = reinterpret_cast< CLS * >( self_python->m_pycxx_object ); \
Py::Object r( (self->NAME)() ); \
return Py::new_reference_to( r.ptr() ); \
} \
catch( Py::Exception & ) \
{ \
return 0; \
} \
}
#define PYCXX_VARARGS_METHOD_DECL( CLS, NAME ) \
static PyObject *PYCXX_VARARGS_METHOD_NAME( NAME )( PyObject *_self, PyObject *_a, PyObject * ) \
{ \
Py::PythonClassInstance *self_python = reinterpret_cast< Py::PythonClassInstance * >( _self ); \
CLS *self = reinterpret_cast< CLS * >( self_python->m_pycxx_object ); \
Py::Tuple a( _a ); \
Py::Object r( (self->NAME)( a ) ); \
return Py::new_reference_to( r.ptr() ); \
try \
{ \
Py::PythonClassInstance *self_python = reinterpret_cast< Py::PythonClassInstance * >( _self ); \
CLS *self = reinterpret_cast< CLS * >( self_python->m_pycxx_object ); \
Py::Tuple a( _a ); \
Py::Object r( (self->NAME)( a ) ); \
return Py::new_reference_to( r.ptr() ); \
} \
catch( Py::Exception & ) \
{ \
return 0; \
} \
}
#define PYCXX_KEYWORDS_METHOD_DECL( CLS, NAME ) \
static PyObject *PYCXX_KEYWORDS_METHOD_NAME( NAME )( PyObject *_self, PyObject *_a, PyObject *_k ) \
{ \
Py::PythonClassInstance *self_python = reinterpret_cast< Py::PythonClassInstance * >( _self ); \
CLS *self = reinterpret_cast< CLS * >( self_python->m_pycxx_object ); \
Py::Tuple a( _a ); \
Py::Dict k; \
if( _k != NULL ) \
k = _k; \
Py::Object r( (self->NAME)( a, k ) ); \
return Py::new_reference_to( r.ptr() ); \
try \
{ \
Py::PythonClassInstance *self_python = reinterpret_cast< Py::PythonClassInstance * >( _self ); \
CLS *self = reinterpret_cast< CLS * >( self_python->m_pycxx_object ); \
Py::Tuple a( _a ); \
Py::Dict k; \
if( _k != NULL ) \
k = _k; \
Py::Object r( (self->NAME)( a, k ) ); \
return Py::new_reference_to( r.ptr() ); \
} \
catch( Py::Exception & ) \
{ \
return 0; \
} \
}

// need to support METH_STATIC and METH_CLASS

#define PYCXX_ADD_NOARGS_METHOD( NAME, docs ) \
add_method( #NAME, (PyCFunction)PYCXX_NOARGS_METHOD_NAME( NAME ), METH_NOARGS, docs )
#define PYCXX_ADD_VARARGS_METHOD( NAME, docs ) \
add_method( #NAME, (PyCFunction)PYCXX_VARARGS_METHOD_NAME( NAME ), METH_VARARGS, docs )
#define PYCXX_ADD_KEYWORDS_METHOD( NAME, docs ) \
add_method( #NAME, (PyCFunction)PYCXX_KEYWORDS_METHOD_NAME( NAME ), METH_VARARGS | METH_KEYWORDS, docs )
#define PYCXX_ADD_NOARGS_METHOD( PYNAME, NAME, docs ) \
add_method( #PYNAME, (PyCFunction)PYCXX_NOARGS_METHOD_NAME( NAME ), METH_NOARGS, docs )
#define PYCXX_ADD_VARARGS_METHOD( PYNAME, NAME, docs ) \
add_method( #PYNAME, (PyCFunction)PYCXX_VARARGS_METHOD_NAME( NAME ), METH_VARARGS, docs )
#define PYCXX_ADD_KEYWORDS_METHOD( PYNAME, NAME, docs ) \
add_method( #PYNAME, (PyCFunction)PYCXX_KEYWORDS_METHOD_NAME( NAME ), METH_VARARGS | METH_KEYWORDS, docs )

namespace Py
{
extern PythonExtensionBase *getPythonExtensionBase( PyObject *self );

struct PythonClassInstance
{
PyObject_HEAD
Expand Down Expand Up @@ -131,7 +154,7 @@ namespace Py
{
new_mt[ i ] = old_mt[ i ];
}
delete old_mt;
delete[] old_mt;
m_methods_table = new_mt;
}

Expand Down Expand Up @@ -167,10 +190,8 @@ namespace Py
protected:
explicit PythonClass( PythonClassInstance *self, Tuple &args, Dict &kwds )
: PythonExtensionBase()
, m_self( self )
, m_class_instance( self )
{
// we are a class
behaviors().supportClass();
}

virtual ~PythonClass()
Expand Down Expand Up @@ -203,6 +224,12 @@ namespace Py
p->set_tp_new( extension_object_new );
p->set_tp_init( extension_object_init );
p->set_tp_dealloc( extension_object_deallocator );
// we are a class
p->supportClass();

// always support get and set attr
p->supportGetattro();
p->supportSetattro();
}

return *p;
Expand Down Expand Up @@ -238,7 +265,7 @@ namespace Py
PythonClassInstance *self = reinterpret_cast<PythonClassInstance *>( _self );
#ifdef PYCXX_DEBUG
std::cout << "extension_object_init( self=0x" << std::hex << reinterpret_cast< unsigned int >( self ) << std::dec << " )" << std::endl;
std::cout << " self->cxx_object=0x" << std::hex << reinterpret_cast< unsigned int >( self->cxx_object ) << std::dec << std::endl;
std::cout << " self->m_pycxx_object=0x" << std::hex << reinterpret_cast< unsigned int >( self->m_pycxx_object ) << std::dec << std::endl;
#endif

if( self->m_pycxx_object == NULL )
Expand Down Expand Up @@ -268,9 +295,10 @@ namespace Py
PythonClassInstance *self = reinterpret_cast< PythonClassInstance * >( _self );
#ifdef PYCXX_DEBUG
std::cout << "extension_object_deallocator( self=0x" << std::hex << reinterpret_cast< unsigned int >( self ) << std::dec << " )" << std::endl;
std::cout << " self->cxx_object=0x" << std::hex << reinterpret_cast< unsigned int >( self->cxx_object ) << std::dec << std::endl;
std::cout << " self->m_pycxx_object=0x" << std::hex << reinterpret_cast< unsigned int >( self->m_pycxx_object ) << std::dec << std::endl;
#endif
delete self->m_pycxx_object;
_self->ob_type->tp_free( _self );
}

public:
Expand All @@ -295,14 +323,19 @@ namespace Py
return check( ob.ptr() );
}

PyObject *selfPtr()
virtual PyObject *selfPtr()
{
return reinterpret_cast<PyObject *>( m_class_instance );
}

virtual Object self()
{
return reinterpret_cast<PyObject *>( m_self );
return Object( reinterpret_cast<PyObject *>( m_class_instance ) );
}

protected:
private:
PythonClassInstance *m_self;
PythonClassInstance *m_class_instance;

private:
//
Expand Down Expand Up @@ -361,7 +394,7 @@ namespace Py
//
T *getCxxObject( void )
{
return static_cast<T *>( ptr() );
return dynamic_cast< T * >( getPythonExtensionBase( ptr() ) );
}
};
} // Namespace Py
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32 changes: 32 additions & 0 deletions CXX/Python2/ExtensionTypeBase.hxx
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Expand Up @@ -131,8 +131,40 @@ namespace Py
virtual Py_ssize_t buffer_getwritebuffer( Py_ssize_t, void** );
virtual Py_ssize_t buffer_getsegcount( Py_ssize_t* );

public:
// helper functions to call function fn_name with 0 to 9 args
Object callOnSelf( const std::string &fn_name );
Object callOnSelf( const std::string &fn_name,
const Object &arg1 );
Object callOnSelf( const std::string &fn_name,
const Object &arg1, const Object &arg2 );
Object callOnSelf( const std::string &fn_name,
const Object &arg1, const Object &arg2, const Object &arg3 );
Object callOnSelf( const std::string &fn_name,
const Object &arg1, const Object &arg2, const Object &arg3,
const Object &arg4 );
Object callOnSelf( const std::string &fn_name,
const Object &arg1, const Object &arg2, const Object &arg3,
const Object &arg4, const Object &arg5 );
Object callOnSelf( const std::string &fn_name,
const Object &arg1, const Object &arg2, const Object &arg3,
const Object &arg4, const Object &arg5, const Object &arg6 );
Object callOnSelf( const std::string &fn_name,
const Object &arg1, const Object &arg2, const Object &arg3,
const Object &arg4, const Object &arg5, const Object &arg6,
const Object &arg7 );
Object callOnSelf( const std::string &fn_name,
const Object &arg1, const Object &arg2, const Object &arg3,
const Object &arg4, const Object &arg5, const Object &arg6,
const Object &arg7, const Object &arg8 );
Object callOnSelf( const std::string &fn_name,
const Object &arg1, const Object &arg2, const Object &arg3,
const Object &arg4, const Object &arg5, const Object &arg6,
const Object &arg7, const Object &arg8, const Object &arg9 );

public:
virtual PyObject *selfPtr() = 0;
virtual Object self() = 0;

private:
void missing_method( void );
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