Wraps an arbitrary C++ function/method/lambda function/.. into a callable Python object. More...

#include <pybind11.h>

Inheritance diagram for cpp_function:

[legend]

Classes
struct	InitializingFunctionRecordDeleter

class	strdup_guard

Public Member Functions
	cpp_function ()=default

template<typename Func , typename... Extra, typename = detail::enable_if_t<detail::is_lambda<Func>::value>>
	cpp_function (Func &&f, const Extra &...extra)
	Construct a cpp_function from a lambda function (possibly with internal state) More...

template<typename Return , typename... Args, typename... Extra>
	cpp_function (Return(*f)(Args...), const Extra &...extra)
	Construct a cpp_function from a vanilla function pointer. More...

template<typename Return , typename Class , typename... Arg, typename... Extra>
	cpp_function (Return(Class::*f)(Arg...) &, const Extra &...extra)

template<typename Return , typename Class , typename... Arg, typename... Extra>
	cpp_function (Return(Class::*f)(Arg...) const &, const Extra &...extra)

template<typename Return , typename Class , typename... Arg, typename... Extra>
	cpp_function (Return(Class::*f)(Arg...) const, const Extra &...extra)
	Construct a cpp_function from a class method (const, no ref-qualifier) More...

template<typename Return , typename Class , typename... Arg, typename... Extra>
	cpp_function (Return(Class::*f)(Arg...), const Extra &...extra)
	Construct a cpp_function from a class method (non-const, no ref-qualifier) More...

	cpp_function (std::nullptr_t)

	cpp_function (std::nullptr_t, const is_setter &)

object	name () const
	Return the function name. More...

Public Member Functions inherited from function
handle	cpp_function () const

bool	is_cpp_function () const

Public Member Functions inherited from object
template<typename T >
T	cast () &&

template<typename T >
T	cast () const &

template<>
void	cast () const &

	object ()=default

	object (const object &o)
	Copy constructor; always increases the reference count. More...

	object (handle h, borrowed_t)

	object (handle h, stolen_t)

	object (object &&other) noexcept
	Move constructor; steals the object from `other` and preserves its reference count. More...

object &	operator= (const object &other)

object &	operator= (object &&other) noexcept

	PYBIND11_DEPRECATED ("Use reinterpret_borrow<object>() or reinterpret_steal<object>()") object(handle h

handle	release ()

	~object ()
	Destructor; automatically calls `handle::dec_ref()` More...

Public Member Functions inherited from handle
template<typename T >
T	cast () const

template<>
void	cast () const

bool	check () const

const handle &	dec_ref () const &

	handle ()=default
	The default constructor creates a handle with a `nullptr`-valued pointer. More...

template<typename T , detail::enable_if_t< detail::all_of< detail::none_of< std::is_base_of< handle, T >, detail::is_pyobj_ptr_or_nullptr_t< T >>, std::is_convertible< T, PyObject * >>::value, int > = 0>
	handle (T &obj)
	Enable implicit conversion through `T::operator PyObject *()`. More...

template<typename T , detail::enable_if_t< detail::is_pyobj_ptr_or_nullptr_t< T >::value, int > = 0>
	handle (T ptr)

const handle &	inc_ref () const &

	operator bool () const
	Return `true` when the `handle` wraps a valid Python object. More...

bool	operator!= (const handle &h) const

bool	operator== (const handle &h) const

PyObject *&	ptr ()

PyObject *	ptr () const
	Return the underlying `PyObject *` pointer. More...

Protected Types
using	unique_function_record = std::unique_ptr< detail::function_record, InitializingFunctionRecordDeleter >

Protected Member Functions
template<typename Func , typename Return , typename... Args, typename... Extra>
void	initialize (Func &&f, Return(*)(Args...), const Extra &...extra)
	Special internal constructor for functors, lambda functions, etc. More...

void	initialize_generic (unique_function_record &&unique_rec, const char text, const std::type_info const *types, size_t args)
	Register a function call with Python (generic non-templated code goes here) More...

PYBIND11_NOINLINE unique_function_record	make_function_record ()
	Space optimization: don't inline this frequently instantiated fragment. More...

Static Protected Member Functions
static void	destruct (detail::function_record *rec, bool free_strings=true)
	When a cpp_function is GCed, release any memory allocated by pybind11. More...

static PyObject *	dispatcher (PyObject self, PyObject args_in, PyObject *kwargs_in)
	Main dispatch logic for calls to functions bound using pybind11. More...

Additional Inherited Members
Static Public Member Functions inherited from handle
static std::size_t	inc_ref_counter ()

Public Attributes inherited from object
bool	is_borrowed: handle(h) { if (is_borrowed) { inc_ref()

Protected Attributes inherited from handle
PyObject *	m_ptr = nullptr

Detailed Description

Wraps an arbitrary C++ function/method/lambda function/.. into a callable Python object.

Definition at line 125 of file pybind11.h.

Member Typedef Documentation

◆ unique_function_record

using cpp_function::unique_function_record = std::unique_ptr<detail::function_record, InitializingFunctionRecordDeleter>

protected

Definition at line 203 of file pybind11.h.

Constructor & Destructor Documentation

◆ cpp_function() [1/9]

cpp_function::cpp_function ( )

default

◆ cpp_function() [2/9]

cpp_function::cpp_function ( std::nullptr_t )

inline

Definition at line 129 of file pybind11.h.

◆ cpp_function() [3/9]

cpp_function::cpp_function	(	std::nullptr_t	,
		const is_setter &
	)

inline

Definition at line 130 of file pybind11.h.

◆ cpp_function() [4/9]

template<typename Return , typename... Args, typename... Extra>

cpp_function::cpp_function	(	Return(*)(Args...)	f,
		const Extra &...	extra
	)

inline

Construct a cpp_function from a vanilla function pointer.

Definition at line 135 of file pybind11.h.

◆ cpp_function() [5/9]

template<typename Func , typename... Extra, typename = detail::enable_if_t<detail::is_lambda<Func>::value>>

cpp_function::cpp_function	(	Func &&	f,
		const Extra &...	extra
	)

inline

Construct a cpp_function from a lambda function (possibly with internal state)

Definition at line 144 of file pybind11.h.

◆ cpp_function() [6/9]

template<typename Return , typename Class , typename... Arg, typename... Extra>

cpp_function::cpp_function	(	Return(Class::*)(Arg...)	f,
		const Extra &...	extra
	)

inline

Construct a cpp_function from a class method (non-const, no ref-qualifier)

Definition at line 152 of file pybind11.h.

◆ cpp_function() [7/9]

template<typename Return , typename Class , typename... Arg, typename... Extra>

cpp_function::cpp_function	(	Return(Class::*)(Arg...) f &	,
		const Extra &...	extra
	)

inline

Construct a cpp_function from a class method (non-const, lvalue ref-qualifier) A copy of the overload for non-const functions without explicit ref-qualifier but with an added &.

Definition at line 164 of file pybind11.h.

◆ cpp_function() [8/9]

template<typename Return , typename Class , typename... Arg, typename... Extra>

cpp_function::cpp_function	(	Return(Class::*)(Arg...) const	f,
		const Extra &...	extra
	)

inline

Construct a cpp_function from a class method (const, no ref-qualifier)

Definition at line 174 of file pybind11.h.

◆ cpp_function() [9/9]

template<typename Return , typename Class , typename... Arg, typename... Extra>

cpp_function::cpp_function	(	Return(Class::*)(Arg...) const f &	,
		const Extra &...	extra
	)

inline

Construct a cpp_function from a class method (const, lvalue ref-qualifier) A copy of the overload for const functions without explicit ref-qualifier but with an added &.

Definition at line 186 of file pybind11.h.

Member Function Documentation

◆ destruct()

static void cpp_function::destruct	(	detail::function_record *	rec,
		bool	free_strings = `true`
	)

inlinestaticprotected

When a cpp_function is GCed, release any memory allocated by pybind11.

Definition at line 671 of file pybind11.h.

◆ dispatcher()

static PyObject* cpp_function::dispatcher	(	PyObject *	self,
		PyObject *	args_in,
		PyObject *	kwargs_in
	)

inlinestaticprotected

Main dispatch logic for calls to functions bound using pybind11.

Definition at line 717 of file pybind11.h.

◆ initialize()

template<typename Func , typename Return , typename... Args, typename... Extra>

void cpp_function::initialize	(	Func &&	f,
		Return(*)(Args...)	,
		const Extra &...	extra
	)

inlineprotected

Special internal constructor for functors, lambda functions, etc.

Definition at line 212 of file pybind11.h.

◆ initialize_generic()

void cpp_function::initialize_generic	(	unique_function_record &&	unique_rec,
		const char *	text,
		const std::type_info const	types,
		size_t	args
	)

inlineprotected

Register a function call with Python (generic non-templated code goes here)

Definition at line 385 of file pybind11.h.

◆ make_function_record()

PYBIND11_NOINLINE unique_function_record cpp_function::make_function_record ( )

inlineprotected

Space optimization: don't inline this frequently instantiated fragment.

Definition at line 206 of file pybind11.h.

◆ name()

object cpp_function::name ( ) const

inline

Return the function name.

Definition at line 194 of file pybind11.h.

The documentation for this class was generated from the following file:

pybind11.h

Classes

Public Member Functions

Protected Types

Protected Member Functions

Static Protected Member Functions

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ unique_function_record

Constructor & Destructor Documentation

◆ cpp_function() [1/9]

◆ cpp_function() [2/9]

◆ cpp_function() [3/9]

◆ cpp_function() [4/9]

◆ cpp_function() [5/9]

◆ cpp_function() [6/9]

◆ cpp_function() [7/9]

◆ cpp_function() [8/9]

◆ cpp_function() [9/9]

Member Function Documentation

◆ destruct()

◆ dispatcher()

◆ initialize()

◆ initialize_generic()

◆ make_function_record()

◆ name()