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/* Abstract Object Interface (many thanks to Jim Fulton) */
#ifndef Py_ABSTRACTOBJECT_H
#define Py_ABSTRACTOBJECT_H
#ifdef __cplusplus
extern "C" {
#endif
/* === Object Protocol ================================================== */
/* Implemented elsewhere:
int PyObject_Print(PyObject *o, FILE *fp, int flags);
Print an object 'o' on file 'fp'. Returns -1 on error. The flags argument
is used to enable certain printing options. The only option currently
supported is Py_Print_RAW.
(What should be said about Py_Print_RAW?). */
/* Implemented elsewhere:
int PyObject_HasAttrString(PyObject *o, const char *attr_name);
Returns 1 if object 'o' has the attribute attr_name, and 0 otherwise.
This is equivalent to the Python expression: hasattr(o,attr_name).
This function always succeeds. */
/* Implemented elsewhere:
PyObject* PyObject_GetAttrString(PyObject *o, const char *attr_name);
Retrieve an attributed named attr_name form object o.
Returns the attribute value on success, or NULL on failure.
This is the equivalent of the Python expression: o.attr_name. */
/* Implemented elsewhere:
int PyObject_HasAttr(PyObject *o, PyObject *attr_name);
Returns 1 if o has the attribute attr_name, and 0 otherwise.
This is equivalent to the Python expression: hasattr(o,attr_name).
This function always succeeds. */
/* Implemented elsewhere:
PyObject* PyObject_GetAttr(PyObject *o, PyObject *attr_name);
Retrieve an attributed named 'attr_name' form object 'o'.
Returns the attribute value on success, or NULL on failure.
This is the equivalent of the Python expression: o.attr_name. */
/* Implemented elsewhere:
int PyObject_SetAttrString(PyObject *o, const char *attr_name, PyObject *v);
Set the value of the attribute named attr_name, for object 'o',
to the value 'v'. Raise an exception and return -1 on failure; return 0 on
success.
This is the equivalent of the Python statement o.attr_name=v. */
/* Implemented elsewhere:
int PyObject_SetAttr(PyObject *o, PyObject *attr_name, PyObject *v);
Set the value of the attribute named attr_name, for object 'o', to the value
'v'. an exception and return -1 on failure; return 0 on success.
This is the equivalent of the Python statement o.attr_name=v. */
/* Implemented as a macro:
int PyObject_DelAttrString(PyObject *o, const char *attr_name);
Delete attribute named attr_name, for object o. Returns
-1 on failure.
This is the equivalent of the Python statement: del o.attr_name. */
#define PyObject_DelAttrString(O,A) PyObject_SetAttrString((O),(A), NULL)
/* Implemented as a macro:
int PyObject_DelAttr(PyObject *o, PyObject *attr_name);
Delete attribute named attr_name, for object o. Returns -1
on failure. This is the equivalent of the Python
statement: del o.attr_name. */
#define PyObject_DelAttr(O,A) PyObject_SetAttr((O),(A), NULL)
/* Implemented elsewhere:
PyObject *PyObject_Repr(PyObject *o);
Compute the string representation of object 'o'. Returns the
string representation on success, NULL on failure.
This is the equivalent of the Python expression: repr(o).
Called by the repr() built-in function. */
/* Implemented elsewhere:
PyObject *PyObject_Str(PyObject *o);
Compute the string representation of object, o. Returns the
string representation on success, NULL on failure.
This is the equivalent of the Python expression: str(o).
Called by the str() and print() built-in functions. */
/* Declared elsewhere
PyAPI_FUNC(int) PyCallable_Check(PyObject *o);
Determine if the object, o, is callable. Return 1 if the object is callable
and 0 otherwise.
This function always succeeds. */
#ifdef PY_SSIZE_T_CLEAN
# define PyObject_CallFunction _PyObject_CallFunction_SizeT
# define PyObject_CallMethod _PyObject_CallMethod_SizeT
# ifndef Py_LIMITED_API
# define _PyObject_CallMethodId _PyObject_CallMethodId_SizeT
# endif /* !Py_LIMITED_API */
#endif
/* Call a callable Python object 'callable' with arguments given by the
tuple 'args' and keywords arguments given by the dictionary 'kwargs'.
'args' must not be NULL, use an empty tuple if no arguments are
needed. If no named arguments are needed, 'kwargs' can be NULL.
This is the equivalent of the Python expression:
callable(*args, **kwargs). */
PyAPI_FUNC(PyObject *) PyObject_Call(PyObject *callable,
PyObject *args, PyObject *kwargs);
#ifndef Py_LIMITED_API
PyAPI_FUNC(PyObject*) _PyStack_AsTuple(
PyObject *const *stack,
Py_ssize_t nargs);
PyAPI_FUNC(PyObject*) _PyStack_AsTupleSlice(
PyObject *const *stack,
Py_ssize_t nargs,
Py_ssize_t start,
Py_ssize_t end);
/* Convert keyword arguments from the FASTCALL (stack: C array, kwnames: tuple)
format to a Python dictionary ("kwargs" dict).
The type of kwnames keys is not checked. The final function getting
arguments is responsible to check if all keys are strings, for example using
PyArg_ParseTupleAndKeywords() or PyArg_ValidateKeywordArguments().
Duplicate keys are merged using the last value. If duplicate keys must raise
an exception, the caller is responsible to implement an explicit keys on
kwnames. */
PyAPI_FUNC(PyObject *) _PyStack_AsDict(
PyObject *const *values,
PyObject *kwnames);
/* Convert (args, nargs, kwargs: dict) into a (stack, nargs, kwnames: tuple).
Return 0 on success, raise an exception and return -1 on error.
Write the new stack into *p_stack. If *p_stack is differen than args, it
must be released by PyMem_Free().
The stack uses borrowed references.
The type of keyword keys is not checked, these checks should be done
later (ex: _PyArg_ParseStackAndKeywords). */
PyAPI_FUNC(int) _PyStack_UnpackDict(
PyObject *const *args,
Py_ssize_t nargs,
PyObject *kwargs,
PyObject *const **p_stack,
PyObject **p_kwnames);
/* Suggested size (number of positional arguments) for arrays of PyObject*
allocated on a C stack to avoid allocating memory on the heap memory. Such
array is used to pass positional arguments to call functions of the
_PyObject_FastCall() family.
The size is chosen to not abuse the C stack and so limit the risk of stack
overflow. The size is also chosen to allow using the small stack for most
function calls of the Python standard library. On 64-bit CPU, it allocates
40 bytes on the stack. */
#define _PY_FASTCALL_SMALL_STACK 5
/* Return 1 if callable supports FASTCALL calling convention for positional
arguments: see _PyObject_FastCallDict() and _PyObject_FastCallKeywords() */
PyAPI_FUNC(int) _PyObject_HasFastCall(PyObject *callable);
/* Call the callable object 'callable' with the "fast call" calling convention:
args is a C array for positional arguments (nargs is the number of
positional arguments), kwargs is a dictionary for keyword arguments.
If nargs is equal to zero, args can be NULL. kwargs can be NULL.
nargs must be greater or equal to zero.
Return the result on success. Raise an exception and return NULL on
error. */
PyAPI_FUNC(PyObject *) _PyObject_FastCallDict(
PyObject *callable,
PyObject *const *args,
Py_ssize_t nargs,
PyObject *kwargs);
/* Call the callable object 'callable' with the "fast call" calling convention:
args is a C array for positional arguments followed by values of
keyword arguments. Keys of keyword arguments are stored as a tuple
of strings in kwnames. nargs is the number of positional parameters at
the beginning of stack. The size of kwnames gives the number of keyword
values in the stack after positional arguments.
kwnames must only contains str strings, no subclass, and all keys must
be unique.
If nargs is equal to zero and there is no keyword argument (kwnames is
NULL or its size is zero), args can be NULL.
Return the result on success. Raise an exception and return NULL on
error. */
PyAPI_FUNC(PyObject *) _PyObject_FastCallKeywords(
PyObject *callable,
PyObject *const *args,
Py_ssize_t nargs,
PyObject *kwnames);
#define _PyObject_FastCall(func, args, nargs) \
_PyObject_FastCallDict((func), (args), (nargs), NULL)
#define _PyObject_CallNoArg(func) \
_PyObject_FastCallDict((func), NULL, 0, NULL)
PyAPI_FUNC(PyObject *) _PyObject_Call_Prepend(
PyObject *callable,
PyObject *obj,
PyObject *args,
PyObject *kwargs);
PyAPI_FUNC(PyObject *) _PyObject_FastCall_Prepend(
PyObject *callable,
PyObject *obj,
PyObject *const *args,
Py_ssize_t nargs);
PyAPI_FUNC(PyObject *) _Py_CheckFunctionResult(PyObject *callable,
PyObject *result,
const char *where);
#endif /* Py_LIMITED_API */
/* Call a callable Python object 'callable', with arguments given by the
tuple 'args'. If no arguments are needed, then 'args' can be NULL.
Returns the result of the call on success, or NULL on failure.
This is the equivalent of the Python expression:
callable(*args). */
PyAPI_FUNC(PyObject *) PyObject_CallObject(PyObject *callable,
PyObject *args);
/* Call a callable Python object, callable, with a variable number of C
arguments. The C arguments are described using a mkvalue-style format
string.
The format may be NULL, indicating that no arguments are provided.
Returns the result of the call on success, or NULL on failure.
This is the equivalent of the Python expression:
callable(arg1, arg2, ...). */
PyAPI_FUNC(PyObject *) PyObject_CallFunction(PyObject *callable,
const char *format, ...);
/* Call the method named 'name' of object 'obj' with a variable number of
C arguments. The C arguments are described by a mkvalue format string.
The format can be NULL, indicating that no arguments are provided.
Returns the result of the call on success, or NULL on failure.
This is the equivalent of the Python expression:
obj.name(arg1, arg2, ...). */
PyAPI_FUNC(PyObject *) PyObject_CallMethod(PyObject *obj,
const char *name,
const char *format, ...);
#ifndef Py_LIMITED_API
/* Like PyObject_CallMethod(), but expect a _Py_Identifier*
as the method name. */
PyAPI_FUNC(PyObject *) _PyObject_CallMethodId(PyObject *obj,
_Py_Identifier *name,
const char *format, ...);
#endif /* !Py_LIMITED_API */
PyAPI_FUNC(PyObject *) _PyObject_CallFunction_SizeT(PyObject *callable,
const char *format,
...);
PyAPI_FUNC(PyObject *) _PyObject_CallMethod_SizeT(PyObject *obj,
const char *name,
const char *format,
...);
#ifndef Py_LIMITED_API
PyAPI_FUNC(PyObject *) _PyObject_CallMethodId_SizeT(PyObject *obj,
_Py_Identifier *name,
const char *format,
...);
#endif /* !Py_LIMITED_API */
/* Call a callable Python object 'callable' with a variable number of C
arguments. The C arguments are provided as PyObject* values, terminated
by a NULL.
Returns the result of the call on success, or NULL on failure.
This is the equivalent of the Python expression:
callable(arg1, arg2, ...). */
PyAPI_FUNC(PyObject *) PyObject_CallFunctionObjArgs(PyObject *callable,
...);
/* Call the method named 'name' of object 'obj' with a variable number of
C arguments. The C arguments are provided as PyObject* values, terminated
by NULL.
Returns the result of the call on success, or NULL on failure.
This is the equivalent of the Python expression: obj.name(*args). */
PyAPI_FUNC(PyObject *) PyObject_CallMethodObjArgs(
PyObject *obj,
PyObject *name,
...);
#ifndef Py_LIMITED_API
PyAPI_FUNC(PyObject *) _PyObject_CallMethodIdObjArgs(
PyObject *obj,
struct _Py_Identifier *name,
...);
#endif /* !Py_LIMITED_API */
/* Implemented elsewhere:
Py_hash_t PyObject_Hash(PyObject *o);
Compute and return the hash, hash_value, of an object, o. On
failure, return -1.
This is the equivalent of the Python expression: hash(o). */
/* Implemented elsewhere:
int PyObject_IsTrue(PyObject *o);
Returns 1 if the object, o, is considered to be true, 0 if o is
considered to be false and -1 on failure.
This is equivalent to the Python expression: not not o. */
/* Implemented elsewhere:
int PyObject_Not(PyObject *o);
Returns 0 if the object, o, is considered to be true, 1 if o is
considered to be false and -1 on failure.
This is equivalent to the Python expression: not o. */
/* Get the type of an object.
On success, returns a type object corresponding to the object type of object
'o'. On failure, returns NULL.
This is equivalent to the Python expression: type(o) */
PyAPI_FUNC(PyObject *) PyObject_Type(PyObject *o);
/* Return the size of object 'o'. If the object 'o' provides both sequence and
mapping protocols, the sequence size is returned.
On error, -1 is returned.
This is the equivalent to the Python expression: len(o) */
PyAPI_FUNC(Py_ssize_t) PyObject_Size(PyObject *o);
/* For DLL compatibility */
#undef PyObject_Length
PyAPI_FUNC(Py_ssize_t) PyObject_Length(PyObject *o);
#define PyObject_Length PyObject_Size
#ifndef Py_LIMITED_API
PyAPI_FUNC(int) _PyObject_HasLen(PyObject *o);
/* Guess the size of object 'o' using len(o) or o.__length_hint__().
If neither of those return a non-negative value, then return the default
value. If one of the calls fails, this function returns -1. */
PyAPI_FUNC(Py_ssize_t) PyObject_LengthHint(PyObject *o, Py_ssize_t);
#endif
/* Return element of 'o' corresponding to the object 'key'. Return NULL
on failure.
This is the equivalent of the Python expression: o[key] */
PyAPI_FUNC(PyObject *) PyObject_GetItem(PyObject *o, PyObject *key);
/* Map the object 'key' to the value 'v' into 'o'.
Raise an exception and return -1 on failure; return 0 on success.
This is the equivalent of the Python statement: o[key]=v. */
PyAPI_FUNC(int) PyObject_SetItem(PyObject *o, PyObject *key, PyObject *v);
/* Remove the mapping for the string 'key' from the object 'o'.
Returns -1 on failure.
This is equivalent to the Python statement: del o[key]. */
PyAPI_FUNC(int) PyObject_DelItemString(PyObject *o, const char *key);
/* Delete the mapping for the object 'key' from the object 'o'.
Returns -1 on failure.
This is the equivalent of the Python statement: del o[key]. */
PyAPI_FUNC(int) PyObject_DelItem(PyObject *o, PyObject *key);
/* === Old Buffer API ============================================ */
/* FIXME: usage of these should all be replaced in Python itself
but for backwards compatibility we will implement them.
Their usage without a corresponding "unlock" mechanism
may create issues (but they would already be there). */
/* Takes an arbitrary object which must support the (character, single segment)
buffer interface and returns a pointer to a read-only memory location
useable as character based input for subsequent processing.
Return 0 on success. buffer and buffer_len are only set in case no error
occurs. Otherwise, -1 is returned and an exception set. */
PyAPI_FUNC(int) PyObject_AsCharBuffer(PyObject *obj,
const char **buffer,
Py_ssize_t *buffer_len)
Py_DEPRECATED(3.0);
/* Checks whether an arbitrary object supports the (character, single segment)
buffer interface.
Returns 1 on success, 0 on failure. */
PyAPI_FUNC(int) PyObject_CheckReadBuffer(PyObject *obj)
Py_DEPRECATED(3.0);
/* Same as PyObject_AsCharBuffer() except that this API expects (readable,
single segment) buffer interface and returns a pointer to a read-only memory
location which can contain arbitrary data.
0 is returned on success. buffer and buffer_len are only set in case no
error occurs. Otherwise, -1 is returned and an exception set. */
PyAPI_FUNC(int) PyObject_AsReadBuffer(PyObject *obj,
const void **buffer,
Py_ssize_t *buffer_len)
Py_DEPRECATED(3.0);
/* Takes an arbitrary object which must support the (writable, single segment)
buffer interface and returns a pointer to a writable memory location in
buffer of size 'buffer_len'.
Return 0 on success. buffer and buffer_len are only set in case no error
occurs. Otherwise, -1 is returned and an exception set. */
PyAPI_FUNC(int) PyObject_AsWriteBuffer(PyObject *obj,
void **buffer,
Py_ssize_t *buffer_len)
Py_DEPRECATED(3.0);
/* === New Buffer API ============================================ */
#ifndef Py_LIMITED_API
/* Return 1 if the getbuffer function is available, otherwise return 0. */
#define PyObject_CheckBuffer(obj) \
(((obj)->ob_type->tp_as_buffer != NULL) && \
((obj)->ob_type->tp_as_buffer->bf_getbuffer != NULL))
/* This is a C-API version of the getbuffer function call. It checks
to make sure object has the required function pointer and issues the
call.
Returns -1 and raises an error on failure and returns 0 on success. */
PyAPI_FUNC(int) PyObject_GetBuffer(PyObject *obj, Py_buffer *view,
int flags);
/* Get the memory area pointed to by the indices for the buffer given.
Note that view->ndim is the assumed size of indices. */
PyAPI_FUNC(void *) PyBuffer_GetPointer(Py_buffer *view, Py_ssize_t *indices);
/* Return the implied itemsize of the data-format area from a
struct-style description. */
PyAPI_FUNC(int) PyBuffer_SizeFromFormat(const char *);
/* Implementation in memoryobject.c */
PyAPI_FUNC(int) PyBuffer_ToContiguous(void *buf, Py_buffer *view,
Py_ssize_t len, char order);
PyAPI_FUNC(int) PyBuffer_FromContiguous(Py_buffer *view, void *buf,
Py_ssize_t len, char order);
/* Copy len bytes of data from the contiguous chunk of memory
pointed to by buf into the buffer exported by obj. Return
0 on success and return -1 and raise a PyBuffer_Error on
error (i.e. the object does not have a buffer interface or
it is not working).
If fort is 'F', then if the object is multi-dimensional,
then the data will be copied into the array in
Fortran-style (first dimension varies the fastest). If
fort is 'C', then the data will be copied into the array
in C-style (last dimension varies the fastest). If fort
is 'A', then it does not matter and the copy will be made
in whatever way is more efficient. */
PyAPI_FUNC(int) PyObject_CopyData(PyObject *dest, PyObject *src);
/* Copy the data from the src buffer to the buffer of destination. */
PyAPI_FUNC(int) PyBuffer_IsContiguous(const Py_buffer *view, char fort);
/*Fill the strides array with byte-strides of a contiguous
(Fortran-style if fort is 'F' or C-style otherwise)
array of the given shape with the given number of bytes
per element. */
PyAPI_FUNC(void) PyBuffer_FillContiguousStrides(int ndims,
Py_ssize_t *shape,
Py_ssize_t *strides,
int itemsize,
char fort);
/* Fills in a buffer-info structure correctly for an exporter
that can only share a contiguous chunk of memory of
"unsigned bytes" of the given length.
Returns 0 on success and -1 (with raising an error) on error. */
PyAPI_FUNC(int) PyBuffer_FillInfo(Py_buffer *view, PyObject *o, void *buf,
Py_ssize_t len, int readonly,
int flags);
/* Releases a Py_buffer obtained from getbuffer ParseTuple's "s*". */
PyAPI_FUNC(void) PyBuffer_Release(Py_buffer *view);
#endif /* Py_LIMITED_API */
/* Takes an arbitrary object and returns the result of calling
obj.__format__(format_spec). */
PyAPI_FUNC(PyObject *) PyObject_Format(PyObject *obj,
PyObject *format_spec);
/* ==== Iterators ================================================ */
/* Takes an object and returns an iterator for it.
This is typically a new iterator but if the argument is an iterator, this
returns itself. */
PyAPI_FUNC(PyObject *) PyObject_GetIter(PyObject *);
#define PyIter_Check(obj) \
((obj)->ob_type->tp_iternext != NULL && \
(obj)->ob_type->tp_iternext != &_PyObject_NextNotImplemented)
/* Takes an iterator object and calls its tp_iternext slot,
returning the next value.
If the iterator is exhausted, this returns NULL without setting an
exception.
NULL with an exception means an error occurred. */
PyAPI_FUNC(PyObject *) PyIter_Next(PyObject *);
/* === Number Protocol ================================================== */
/* Returns 1 if the object 'o' provides numeric protocols, and 0 otherwise.
This function always succeeds. */
PyAPI_FUNC(int) PyNumber_Check(PyObject *o);
/* Returns the result of adding o1 and o2, or NULL on failure.
This is the equivalent of the Python expression: o1 + o2. */
PyAPI_FUNC(PyObject *) PyNumber_Add(PyObject *o1, PyObject *o2);
/* Returns the result of subtracting o2 from o1, or NULL on failure.
This is the equivalent of the Python expression: o1 - o2. */
PyAPI_FUNC(PyObject *) PyNumber_Subtract(PyObject *o1, PyObject *o2);
/* Returns the result of multiplying o1 and o2, or NULL on failure.
This is the equivalent of the Python expression: o1 * o2. */
PyAPI_FUNC(PyObject *) PyNumber_Multiply(PyObject *o1, PyObject *o2);
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03050000
/* This is the equivalent of the Python expression: o1 @ o2. */
PyAPI_FUNC(PyObject *) PyNumber_MatrixMultiply(PyObject *o1, PyObject *o2);
#endif
/* Returns the result of dividing o1 by o2 giving an integral result,
or NULL on failure.
This is the equivalent of the Python expression: o1 // o2. */
PyAPI_FUNC(PyObject *) PyNumber_FloorDivide(PyObject *o1, PyObject *o2);
/* Returns the result of dividing o1 by o2 giving a float result, or NULL on
failure.
This is the equivalent of the Python expression: o1 / o2. */
PyAPI_FUNC(PyObject *) PyNumber_TrueDivide(PyObject *o1, PyObject *o2);
/* Returns the remainder of dividing o1 by o2, or NULL on failure.
This is the equivalent of the Python expression: o1 % o2. */
PyAPI_FUNC(PyObject *) PyNumber_Remainder(PyObject *o1, PyObject *o2);
/* See the built-in function divmod.
Returns NULL on failure.
This is the equivalent of the Python expression: divmod(o1, o2). */
PyAPI_FUNC(PyObject *) PyNumber_Divmod(PyObject *o1, PyObject *o2);
/* See the built-in function pow. Returns NULL on failure.
This is the equivalent of the Python expression: pow(o1, o2, o3),
where o3 is optional. */
PyAPI_FUNC(PyObject *) PyNumber_Power(PyObject *o1, PyObject *o2,
PyObject *o3);
/* Returns the negation of o on success, or NULL on failure.
This is the equivalent of the Python expression: -o. */
PyAPI_FUNC(PyObject *) PyNumber_Negative(PyObject *o);
/* Returns the positive of o on success, or NULL on failure.
This is the equivalent of the Python expression: +o. */
PyAPI_FUNC(PyObject *) PyNumber_Positive(PyObject *o);
/* Returns the absolute value of 'o', or NULL on failure.
This is the equivalent of the Python expression: abs(o). */
PyAPI_FUNC(PyObject *) PyNumber_Absolute(PyObject *o);
/* Returns the bitwise negation of 'o' on success, or NULL on failure.
This is the equivalent of the Python expression: ~o. */
PyAPI_FUNC(PyObject *) PyNumber_Invert(PyObject *o);
/* Returns the result of left shifting o1 by o2 on success, or NULL on failure.
This is the equivalent of the Python expression: o1 << o2. */
PyAPI_FUNC(PyObject *) PyNumber_Lshift(PyObject *o1, PyObject *o2);
/* Returns the result of right shifting o1 by o2 on success, or NULL on
failure.
This is the equivalent of the Python expression: o1 >> o2. */
PyAPI_FUNC(PyObject *) PyNumber_Rshift(PyObject *o1, PyObject *o2);
/* Returns the result of bitwise and of o1 and o2 on success, or NULL on
failure.
This is the equivalent of the Python expression: o1 & o2. */
PyAPI_FUNC(PyObject *) PyNumber_And(PyObject *o1, PyObject *o2);
/* Returns the bitwise exclusive or of o1 by o2 on success, or NULL on failure.
This is the equivalent of the Python expression: o1 ^ o2. */
PyAPI_FUNC(PyObject *) PyNumber_Xor(PyObject *o1, PyObject *o2);
/* Returns the result of bitwise or on o1 and o2 on success, or NULL on
failure.
This is the equivalent of the Python expression: o1 | o2. */
PyAPI_FUNC(PyObject *) PyNumber_Or(PyObject *o1, PyObject *o2);
#define PyIndex_Check(obj) \
((obj)->ob_type->tp_as_number != NULL && \
(obj)->ob_type->tp_as_number->nb_index != NULL)
/* Returns the object 'o' converted to a Python int, or NULL with an exception
raised on failure. */
PyAPI_FUNC(PyObject *) PyNumber_Index(PyObject *o);
/* Returns the object 'o' converted to Py_ssize_t by going through
PyNumber_Index() first.
If an overflow error occurs while converting the int to Py_ssize_t, then the
second argument 'exc' is the error-type to return. If it is NULL, then the
overflow error is cleared and the value is clipped. */
PyAPI_FUNC(Py_ssize_t) PyNumber_AsSsize_t(PyObject *o, PyObject *exc);
/* Returns the object 'o' converted to an integer object on success, or NULL
on failure.
This is the equivalent of the Python expression: int(o). */
PyAPI_FUNC(PyObject *) PyNumber_Long(PyObject *o);
/* Returns the object 'o' converted to a float object on success, or NULL
on failure.
This is the equivalent of the Python expression: float(o). */
PyAPI_FUNC(PyObject *) PyNumber_Float(PyObject *o);
/* --- In-place variants of (some of) the above number protocol functions -- */
/* Returns the result of adding o2 to o1, possibly in-place, or NULL
on failure.
This is the equivalent of the Python expression: o1 += o2. */
PyAPI_FUNC(PyObject *) PyNumber_InPlaceAdd(PyObject *o1, PyObject *o2);
/* Returns the result of subtracting o2 from o1, possibly in-place or
NULL on failure.
This is the equivalent of the Python expression: o1 -= o2. */
PyAPI_FUNC(PyObject *) PyNumber_InPlaceSubtract(PyObject *o1, PyObject *o2);
/* Returns the result of multiplying o1 by o2, possibly in-place, or NULL on
failure.
This is the equivalent of the Python expression: o1 *= o2. */
PyAPI_FUNC(PyObject *) PyNumber_InPlaceMultiply(PyObject *o1, PyObject *o2);
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03050000
/* This is the equivalent of the Python expression: o1 @= o2. */
PyAPI_FUNC(PyObject *) PyNumber_InPlaceMatrixMultiply(PyObject *o1, PyObject *o2);
#endif
/* Returns the result of dividing o1 by o2 giving an integral result, possibly
in-place, or NULL on failure.
This is the equivalent of the Python expression: o1 /= o2. */
PyAPI_FUNC(PyObject *) PyNumber_InPlaceFloorDivide(PyObject *o1,
PyObject *o2);
/* Returns the result of dividing o1 by o2 giving a float result, possibly
in-place, or null on failure.
This is the equivalent of the Python expression: o1 /= o2. */
PyAPI_FUNC(PyObject *) PyNumber_InPlaceTrueDivide(PyObject *o1,
PyObject *o2);
/* Returns the remainder of dividing o1 by o2, possibly in-place, or NULL on
failure.
This is the equivalent of the Python expression: o1 %= o2. */
PyAPI_FUNC(PyObject *) PyNumber_InPlaceRemainder(PyObject *o1, PyObject *o2);
/* Returns the result of raising o1 to the power of o2, possibly in-place,
or NULL on failure.
This is the equivalent of the Python expression: o1 **= o2,
or o1 = pow(o1, o2, o3) if o3 is present. */
PyAPI_FUNC(PyObject *) PyNumber_InPlacePower(PyObject *o1, PyObject *o2,
PyObject *o3);
/* Returns the result of left shifting o1 by o2, possibly in-place, or NULL
on failure.
This is the equivalent of the Python expression: o1 <<= o2. */
PyAPI_FUNC(PyObject *) PyNumber_InPlaceLshift(PyObject *o1, PyObject *o2);
/* Returns the result of right shifting o1 by o2, possibly in-place or NULL
on failure.
This is the equivalent of the Python expression: o1 >>= o2. */
PyAPI_FUNC(PyObject *) PyNumber_InPlaceRshift(PyObject *o1, PyObject *o2);
/* Returns the result of bitwise and of o1 and o2, possibly in-place, or NULL
on failure.
This is the equivalent of the Python expression: o1 &= o2. */
PyAPI_FUNC(PyObject *) PyNumber_InPlaceAnd(PyObject *o1, PyObject *o2);
/* Returns the bitwise exclusive or of o1 by o2, possibly in-place, or NULL
on failure.
This is the equivalent of the Python expression: o1 ^= o2. */
PyAPI_FUNC(PyObject *) PyNumber_InPlaceXor(PyObject *o1, PyObject *o2);
/* Returns the result of bitwise or of o1 and o2, possibly in-place,
or NULL on failure.
This is the equivalent of the Python expression: o1 |= o2. */
PyAPI_FUNC(PyObject *) PyNumber_InPlaceOr(PyObject *o1, PyObject *o2);
/* Returns the integer n converted to a string with a base, with a base
marker of 0b, 0o or 0x prefixed if applicable.
If n is not an int object, it is converted with PyNumber_Index first. */
PyAPI_FUNC(PyObject *) PyNumber_ToBase(PyObject *n, int base);
/* === Sequence protocol ================================================ */
/* Return 1 if the object provides sequence protocol, and zero
otherwise.
This function always succeeds. */
PyAPI_FUNC(int) PySequence_Check(PyObject *o);
/* Return the size of sequence object o, or -1 on failure. */
PyAPI_FUNC(Py_ssize_t) PySequence_Size(PyObject *o);
/* For DLL compatibility */
#undef PySequence_Length
PyAPI_FUNC(Py_ssize_t) PySequence_Length(PyObject *o);
#define PySequence_Length PySequence_Size
/* Return the concatenation of o1 and o2 on success, and NULL on failure.
This is the equivalent of the Python expression: o1 + o2. */
PyAPI_FUNC(PyObject *) PySequence_Concat(PyObject *o1, PyObject *o2);
/* Return the result of repeating sequence object 'o' 'count' times,
or NULL on failure.
This is the equivalent of the Python expression: o * count. */
PyAPI_FUNC(PyObject *) PySequence_Repeat(PyObject *o, Py_ssize_t count);
/* Return the ith element of o, or NULL on failure.
This is the equivalent of the Python expression: o[i]. */
PyAPI_FUNC(PyObject *) PySequence_GetItem(PyObject *o, Py_ssize_t i);
/* Return the slice of sequence object o between i1 and i2, or NULL on failure.
This is the equivalent of the Python expression: o[i1:i2]. */
PyAPI_FUNC(PyObject *) PySequence_GetSlice(PyObject *o, Py_ssize_t i1, Py_ssize_t i2);
/* Assign object 'v' to the ith element of the sequence 'o'. Raise an exception
and return -1 on failure; return 0 on success.
This is the equivalent of the Python statement o[i] = v. */
PyAPI_FUNC(int) PySequence_SetItem(PyObject *o, Py_ssize_t i, PyObject *v);
/* Delete the 'i'-th element of the sequence 'v'. Returns -1 on failure.
This is the equivalent of the Python statement: del o[i]. */
PyAPI_FUNC(int) PySequence_DelItem(PyObject *o, Py_ssize_t i);
/* Assign the sequence object 'v' to the slice in sequence object 'o',
from 'i1' to 'i2'. Returns -1 on failure.
This is the equivalent of the Python statement: o[i1:i2] = v. */
PyAPI_FUNC(int) PySequence_SetSlice(PyObject *o, Py_ssize_t i1, Py_ssize_t i2,
PyObject *v);
/* Delete the slice in sequence object 'o' from 'i1' to 'i2'.
Returns -1 on failure.
This is the equivalent of the Python statement: del o[i1:i2]. */
PyAPI_FUNC(int) PySequence_DelSlice(PyObject *o, Py_ssize_t i1, Py_ssize_t i2);
/* Returns the sequence 'o' as a tuple on success, and NULL on failure.
This is equivalent to the Python expression: tuple(o). */
PyAPI_FUNC(PyObject *) PySequence_Tuple(PyObject *o);
/* Returns the sequence 'o' as a list on success, and NULL on failure.
This is equivalent to the Python expression: list(o) */
PyAPI_FUNC(PyObject *) PySequence_List(PyObject *o);
/* Return the sequence 'o' as a list, unless it's already a tuple or list.
Use PySequence_Fast_GET_ITEM to access the members of this list, and
PySequence_Fast_GET_SIZE to get its length.
Returns NULL on failure. If the object does not support iteration, raises a
TypeError exception with 'm' as the message text. */
PyAPI_FUNC(PyObject *) PySequence_Fast(PyObject *o, const char* m);
/* Return the size of the sequence 'o', assuming that 'o' was returned by
PySequence_Fast and is not NULL. */
#define PySequence_Fast_GET_SIZE(o) \
(PyList_Check(o) ? PyList_GET_SIZE(o) : PyTuple_GET_SIZE(o))
/* Return the 'i'-th element of the sequence 'o', assuming that o was returned
by PySequence_Fast, and that i is within bounds. */
#define PySequence_Fast_GET_ITEM(o, i)\
(PyList_Check(o) ? PyList_GET_ITEM(o, i) : PyTuple_GET_ITEM(o, i))
/* Assume tp_as_sequence and sq_item exist and that 'i' does not
need to be corrected for a negative index. */
#define PySequence_ITEM(o, i)\
( Py_TYPE(o)->tp_as_sequence->sq_item(o, i) )
/* Return a pointer to the underlying item array for
an object retured by PySequence_Fast */
#define PySequence_Fast_ITEMS(sf) \
(PyList_Check(sf) ? ((PyListObject *)(sf))->ob_item \
: ((PyTupleObject *)(sf))->ob_item)
/* Return the number of occurrences on value on 'o', that is, return
the number of keys for which o[key] == value.
On failure, return -1. This is equivalent to the Python expression:
o.count(value). */
PyAPI_FUNC(Py_ssize_t) PySequence_Count(PyObject *o, PyObject *value);
/* Return 1 if 'ob' is in the sequence 'seq'; 0 if 'ob' is not in the sequence
'seq'; -1 on error.
Use __contains__ if possible, else _PySequence_IterSearch(). */
PyAPI_FUNC(int) PySequence_Contains(PyObject *seq, PyObject *ob);
#ifndef Py_LIMITED_API
#define PY_ITERSEARCH_COUNT 1
#define PY_ITERSEARCH_INDEX 2
#define PY_ITERSEARCH_CONTAINS 3
/* Iterate over seq.
Result depends on the operation:
PY_ITERSEARCH_COUNT: return # of times obj appears in seq; -1 if
error.
PY_ITERSEARCH_INDEX: return 0-based index of first occurrence of
obj in seq; set ValueError and return -1 if none found;
also return -1 on error.
PY_ITERSEARCH_CONTAINS: return 1 if obj in seq, else 0; -1 on
error. */
PyAPI_FUNC(Py_ssize_t) _PySequence_IterSearch(PyObject *seq,
PyObject *obj, int operation);
#endif
/* For DLL-level backwards compatibility */
#undef PySequence_In
/* Determine if the sequence 'o' contains 'value'. If an item in 'o' is equal
to 'value', return 1, otherwise return 0. On error, return -1.
This is equivalent to the Python expression: value in o. */
PyAPI_FUNC(int) PySequence_In(PyObject *o, PyObject *value);
/* For source-level backwards compatibility */
#define PySequence_In PySequence_Contains
/* Return the first index for which o[i] == value.
On error, return -1.
This is equivalent to the Python expression: o.index(value). */
PyAPI_FUNC(Py_ssize_t) PySequence_Index(PyObject *o, PyObject *value);
/* --- In-place versions of some of the above Sequence functions --- */
/* Append sequence 'o2' to sequence 'o1', in-place when possible. Return the
resulting object, which could be 'o1', or NULL on failure.
This is the equivalent of the Python expression: o1 += o2. */
PyAPI_FUNC(PyObject *) PySequence_InPlaceConcat(PyObject *o1, PyObject *o2);
/* Repeat sequence 'o' by 'count', in-place when possible. Return the resulting
object, which could be 'o', or NULL on failure.
This is the equivalent of the Python expression: o1 *= count. */
PyAPI_FUNC(PyObject *) PySequence_InPlaceRepeat(PyObject *o, Py_ssize_t count);
/* === Mapping protocol ================================================= */
/* Return 1 if the object provides mapping protocol, and 0 otherwise.
This function always succeeds. */
PyAPI_FUNC(int) PyMapping_Check(PyObject *o);
/* Returns the number of keys in mapping object 'o' on success, and -1 on
failure. This is equivalent to the Python expression: len(o). */
PyAPI_FUNC(Py_ssize_t) PyMapping_Size(PyObject *o);
/* For DLL compatibility */
#undef PyMapping_Length
PyAPI_FUNC(Py_ssize_t) PyMapping_Length(PyObject *o);
#define PyMapping_Length PyMapping_Size
/* Implemented as a macro:
int PyMapping_DelItemString(PyObject *o, const char *key);
Remove the mapping for the string 'key' from the mapping 'o'. Returns -1 on
failure.
This is equivalent to the Python statement: del o[key]. */
#define PyMapping_DelItemString(O,K) PyObject_DelItemString((O),(K))
/* Implemented as a macro:
int PyMapping_DelItem(PyObject *o, PyObject *key);
Remove the mapping for the object 'key' from the mapping object 'o'.
Returns -1 on failure.
This is equivalent to the Python statement: del o[key]. */
#define PyMapping_DelItem(O,K) PyObject_DelItem((O),(K))
/* On success, return 1 if the mapping object 'o' has the key 'key',
and 0 otherwise.
This is equivalent to the Python expression: key in o.
This function always succeeds. */
PyAPI_FUNC(int) PyMapping_HasKeyString(PyObject *o, const char *key);
/* Return 1 if the mapping object has the key 'key', and 0 otherwise.
This is equivalent to the Python expression: key in o.
This function always succeeds. */
PyAPI_FUNC(int) PyMapping_HasKey(PyObject *o, PyObject *key);
/* On success, return a list or tuple of the keys in mapping object 'o'.
On failure, return NULL. */
PyAPI_FUNC(PyObject *) PyMapping_Keys(PyObject *o);
/* On success, return a list or tuple of the values in mapping object 'o'.
On failure, return NULL. */
PyAPI_FUNC(PyObject *) PyMapping_Values(PyObject *o);
/* On success, return a list or tuple of the items in mapping object 'o',
where each item is a tuple containing a key-value pair. On failure, return
NULL. */
PyAPI_FUNC(PyObject *) PyMapping_Items(PyObject *o);
/* Return element of 'o' corresponding to the string 'key' or NULL on failure.
This is the equivalent of the Python expression: o[key]. */
PyAPI_FUNC(PyObject *) PyMapping_GetItemString(PyObject *o,
const char *key);
/* Map the string 'key' to the value 'v' in the mapping 'o'.
Returns -1 on failure.
This is the equivalent of the Python statement: o[key]=v. */
PyAPI_FUNC(int) PyMapping_SetItemString(PyObject *o, const char *key,
PyObject *value);
/* isinstance(object, typeorclass) */
PyAPI_FUNC(int) PyObject_IsInstance(PyObject *object, PyObject *typeorclass);
/* issubclass(object, typeorclass) */
PyAPI_FUNC(int) PyObject_IsSubclass(PyObject *object, PyObject *typeorclass);
#ifndef Py_LIMITED_API
PyAPI_FUNC(int) _PyObject_RealIsInstance(PyObject *inst, PyObject *cls);
PyAPI_FUNC(int) _PyObject_RealIsSubclass(PyObject *derived, PyObject *cls);
PyAPI_FUNC(char *const *) _PySequence_BytesToCharpArray(PyObject* self);
PyAPI_FUNC(void) _Py_FreeCharPArray(char *const array[]);
/* For internal use by buffer API functions */
PyAPI_FUNC(void) _Py_add_one_to_index_F(int nd, Py_ssize_t *index,
const Py_ssize_t *shape);
PyAPI_FUNC(void) _Py_add_one_to_index_C(int nd, Py_ssize_t *index,
const Py_ssize_t *shape);
/* Convert Python int to Py_ssize_t. Do nothing if the argument is None. */
PyAPI_FUNC(int) _Py_convert_optional_to_ssize_t(PyObject *, void *);
#endif /* !Py_LIMITED_API */
#ifdef __cplusplus
}
#endif
#endif /* Py_ABSTRACTOBJECT_H */
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