400 lines
18 KiB
Cython
400 lines
18 KiB
Cython
from libc.stdio cimport FILE
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cimport cpython.type
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cdef extern from "Python.h":
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ctypedef struct PyObject # forward declaration
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ctypedef object (*newfunc)(cpython.type.type, object, object) # (type, args, kwargs)
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ctypedef object (*unaryfunc)(object)
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ctypedef object (*binaryfunc)(object, object)
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ctypedef object (*ternaryfunc)(object, object, object)
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ctypedef int (*inquiry)(object) except -1
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ctypedef Py_ssize_t (*lenfunc)(object) except -1
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ctypedef object (*ssizeargfunc)(object, Py_ssize_t)
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ctypedef object (*ssizessizeargfunc)(object, Py_ssize_t, Py_ssize_t)
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ctypedef int (*ssizeobjargproc)(object, Py_ssize_t, object) except -1
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ctypedef int (*ssizessizeobjargproc)(object, Py_ssize_t, Py_ssize_t, object) except -1
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ctypedef int (*objobjargproc)(object, object, object) except -1
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ctypedef int (*objobjproc)(object, object) except -1
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ctypedef Py_hash_t (*hashfunc)(object) except -1
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ctypedef object (*reprfunc)(object)
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ctypedef int (*cmpfunc)(object, object) except -2
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ctypedef object (*richcmpfunc)(object, object, int)
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# The following functions use 'PyObject*' as first argument instead of 'object' to prevent
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# accidental reference counting when calling them during a garbage collection run.
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ctypedef void (*destructor)(PyObject*)
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ctypedef int (*visitproc)(PyObject*, void *) except -1
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ctypedef int (*traverseproc)(PyObject*, visitproc, void*) except -1
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ctypedef void (*freefunc)(void*)
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ctypedef object (*descrgetfunc)(object, object, object)
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ctypedef int (*descrsetfunc)(object, object, object) except -1
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ctypedef struct PyTypeObject:
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const char* tp_name
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const char* tp_doc
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Py_ssize_t tp_basicsize
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Py_ssize_t tp_itemsize
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Py_ssize_t tp_dictoffset
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unsigned long tp_flags
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newfunc tp_new
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destructor tp_dealloc
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traverseproc tp_traverse
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inquiry tp_clear
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freefunc tp_free
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ternaryfunc tp_call
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hashfunc tp_hash
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reprfunc tp_str
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reprfunc tp_repr
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cmpfunc tp_compare
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richcmpfunc tp_richcompare
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PyTypeObject* tp_base
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PyObject* tp_dict
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descrgetfunc tp_descr_get
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descrsetfunc tp_descr_set
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ctypedef struct PyObject:
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Py_ssize_t ob_refcnt
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PyTypeObject *ob_type
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cdef PyTypeObject *Py_TYPE(object)
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void* PyObject_Malloc(size_t)
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void* PyObject_Realloc(void *, size_t)
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void PyObject_Free(void *)
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#####################################################################
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# 6.1 Object Protocol
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#####################################################################
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int PyObject_Print(object o, FILE *fp, int flags) except -1
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# Print an object o, on file fp. Returns -1 on error. The flags
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# argument is used to enable certain printing options. The only
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# option currently supported is Py_PRINT_RAW; if given, the str()
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# of the object is written instead of the repr().
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bint PyObject_HasAttrString(object o, const char *attr_name)
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# Returns 1 if o has the attribute attr_name, and 0
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# otherwise. This is equivalent to the Python expression
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# "hasattr(o, attr_name)". This function always succeeds.
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object PyObject_GetAttrString(object o, const char *attr_name)
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# Return value: New reference. Retrieve an attribute named
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# attr_name from object o. Returns the attribute value on success,
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# or NULL on failure. This is the equivalent of the Python
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# expression "o.attr_name".
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bint PyObject_HasAttr(object o, object attr_name)
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# Returns 1 if o has the attribute attr_name, and 0
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# otherwise. This is equivalent to the Python expression
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# "hasattr(o, attr_name)". This function always succeeds.
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object PyObject_GetAttr(object o, object attr_name)
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# Return value: New reference. Retrieve an attribute named
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# attr_name from object o. Returns the attribute value on success,
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# or NULL on failure. This is the equivalent of the Python
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# expression "o.attr_name".
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object PyObject_GenericGetAttr(object o, object attr_name)
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int PyObject_SetAttrString(object o, const char *attr_name, object v) except -1
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# Set the value of the attribute named attr_name, for object o, to
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# the value v. Returns -1 on failure. This is the equivalent of
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# the Python statement "o.attr_name = v".
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int PyObject_SetAttr(object o, object attr_name, object v) except -1
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# Set the value of the attribute named attr_name, for object o, to
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# the value v. Returns -1 on failure. This is the equivalent of
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# the Python statement "o.attr_name = v".
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int PyObject_GenericSetAttr(object o, object attr_name, object v) except -1
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int PyObject_DelAttrString(object o, const char *attr_name) except -1
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# Delete attribute named attr_name, for object o. Returns -1 on
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# failure. This is the equivalent of the Python statement: "del
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# o.attr_name".
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int PyObject_DelAttr(object o, object attr_name) except -1
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# Delete attribute named attr_name, for object o. Returns -1 on
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# failure. This is the equivalent of the Python statement "del
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# o.attr_name".
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int Py_LT, Py_LE, Py_EQ, Py_NE, Py_GT, Py_GE
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object PyObject_RichCompare(object o1, object o2, int opid)
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# Return value: New reference.
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# Compare the values of o1 and o2 using the operation specified by
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# opid, which must be one of Py_LT, Py_LE, Py_EQ, Py_NE, Py_GT, or
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# Py_GE, corresponding to <, <=, ==, !=, >, or >=
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# respectively. This is the equivalent of the Python expression
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# "o1 op o2", where op is the operator corresponding to
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# opid. Returns the value of the comparison on success, or NULL on
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# failure.
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bint PyObject_RichCompareBool(object o1, object o2, int opid) except -1
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# Compare the values of o1 and o2 using the operation specified by
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# opid, which must be one of Py_LT, Py_LE, Py_EQ, Py_NE, Py_GT, or
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# Py_GE, corresponding to <, <=, ==, !=, >, or >=
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# respectively. Returns -1 on error, 0 if the result is false, 1
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# otherwise. This is the equivalent of the Python expression "o1
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# op o2", where op is the operator corresponding to opid.
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int PyObject_Cmp(object o1, object o2, int *result) except -1
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# Compare the values of o1 and o2 using a routine provided by o1,
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# if one exists, otherwise with a routine provided by o2. The
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# result of the comparison is returned in result. Returns -1 on
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# failure. This is the equivalent of the Python statement "result
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# = cmp(o1, o2)".
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int PyObject_Compare(object o1, object o2) except *
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# Compare the values of o1 and o2 using a routine provided by o1,
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# if one exists, otherwise with a routine provided by o2. Returns
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# the result of the comparison on success. On error, the value
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# returned is undefined; use PyErr_Occurred() to detect an
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# error. This is equivalent to the Python expression "cmp(o1,
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# o2)".
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object PyObject_Repr(object o)
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# Return value: New reference.
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# Compute a string representation of object o. Returns the string
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# representation on success, NULL on failure. This is the
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# equivalent of the Python expression "repr(o)". Called by the
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# repr() built-in function and by reverse quotes.
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object PyObject_Str(object o)
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# Return value: New reference.
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# Compute a string representation of object o. Returns the string
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# representation on success, NULL on failure. This is the
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# equivalent of the Python expression "str(o)". Called by the
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# str() built-in function and by the print statement.
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object PyObject_Unicode(object o)
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# Return value: New reference.
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# Compute a Unicode string representation of object o. Returns the
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# Unicode string representation on success, NULL on failure. This
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# is the equivalent of the Python expression "unicode(o)". Called
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# by the unicode() built-in function.
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bint PyObject_IsInstance(object inst, object cls) except -1
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# Returns 1 if inst is an instance of the class cls or a subclass
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# of cls, or 0 if not. On error, returns -1 and sets an
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# exception. If cls is a type object rather than a class object,
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# PyObject_IsInstance() returns 1 if inst is of type cls. If cls
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# is a tuple, the check will be done against every entry in
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# cls. The result will be 1 when at least one of the checks
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# returns 1, otherwise it will be 0. If inst is not a class
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# instance and cls is neither a type object, nor a class object,
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# nor a tuple, inst must have a __class__ attribute -- the class
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# relationship of the value of that attribute with cls will be
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# used to determine the result of this function.
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# Subclass determination is done in a fairly straightforward way,
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# but includes a wrinkle that implementors of extensions to the
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# class system may want to be aware of. If A and B are class
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# objects, B is a subclass of A if it inherits from A either
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# directly or indirectly. If either is not a class object, a more
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# general mechanism is used to determine the class relationship of
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# the two objects. When testing if B is a subclass of A, if A is
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# B, PyObject_IsSubclass() returns true. If A and B are different
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# objects, B's __bases__ attribute is searched in a depth-first
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# fashion for A -- the presence of the __bases__ attribute is
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# considered sufficient for this determination.
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bint PyObject_IsSubclass(object derived, object cls) except -1
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# Returns 1 if the class derived is identical to or derived from
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# the class cls, otherwise returns 0. In case of an error, returns
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# -1. If cls is a tuple, the check will be done against every
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# entry in cls. The result will be 1 when at least one of the
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# checks returns 1, otherwise it will be 0. If either derived or
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# cls is not an actual class object (or tuple), this function uses
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# the generic algorithm described above. New in version
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# 2.1. Changed in version 2.3: Older versions of Python did not
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# support a tuple as the second argument.
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bint PyCallable_Check(object o)
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# Determine if the object o is callable. Return 1 if the object is
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# callable and 0 otherwise. This function always succeeds.
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object PyObject_Call(object callable_object, object args, object kw)
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# Return value: New reference.
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# Call a callable Python object callable_object, with arguments
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# given by the tuple args, and named arguments given by the
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# dictionary kw. If no named arguments are needed, kw may be
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# NULL. args must not be NULL, use an empty tuple if no arguments
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# are needed. Returns the result of the call on success, or NULL
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# on failure. This is the equivalent of the Python expression
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# "apply(callable_object, args, kw)" or "callable_object(*args,
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# **kw)".
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object PyObject_CallObject(object callable_object, object args)
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# Return value: New reference.
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# Call a callable Python object callable_object, with arguments
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# given by the tuple args. If no arguments are needed, then args
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# may be NULL. Returns the result of the call on success, or NULL
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# on failure. This is the equivalent of the Python expression
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# "apply(callable_object, args)" or "callable_object(*args)".
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object PyObject_CallFunction(object callable, char *format, ...)
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# Return value: New reference.
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# Call a callable Python object callable, with a variable number
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# of C arguments. The C arguments are described using a
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# Py_BuildValue() style format string. The format may be NULL,
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# indicating that no arguments are provided. Returns the result of
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# the call on success, or NULL on failure. This is the equivalent
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# of the Python expression "apply(callable, args)" or
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# "callable(*args)". Note that if you only pass object args,
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# PyObject_CallFunctionObjArgs is a faster alternative.
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object PyObject_CallMethod(object o, char *method, char *format, ...)
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# Return value: New reference.
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# Call the method named method of object o with a variable number
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# of C arguments. The C arguments are described by a
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# Py_BuildValue() format string that should produce a tuple. The
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# format may be NULL, indicating that no arguments are
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# provided. Returns the result of the call on success, or NULL on
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# failure. This is the equivalent of the Python expression
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# "o.method(args)". Note that if you only pass object args,
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# PyObject_CallMethodObjArgs is a faster alternative.
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#object PyObject_CallFunctionObjArgs(object callable, ..., NULL)
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object PyObject_CallFunctionObjArgs(object callable, ...)
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# Return value: New reference.
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# Call a callable Python object callable, with a variable number
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# of PyObject* arguments. The arguments are provided as a variable
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# number of parameters followed by NULL. Returns the result of the
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# call on success, or NULL on failure.
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#PyObject* PyObject_CallMethodObjArgs(object o, object name, ..., NULL)
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object PyObject_CallMethodObjArgs(object o, object name, ...)
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# Return value: New reference.
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# Calls a method of the object o, where the name of the method is
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# given as a Python string object in name. It is called with a
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# variable number of PyObject* arguments. The arguments are
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# provided as a variable number of parameters followed by
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# NULL. Returns the result of the call on success, or NULL on
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# failure.
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long PyObject_Hash(object o) except? -1
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# Compute and return the hash value of an object o. On failure,
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# return -1. This is the equivalent of the Python expression
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# "hash(o)".
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bint PyObject_IsTrue(object o) except -1
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# Returns 1 if the object o is considered to be true, and 0
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# otherwise. This is equivalent to the Python expression "not not
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# o". On failure, return -1.
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bint PyObject_Not(object o) except -1
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# Returns 0 if the object o is considered to be true, and 1
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# otherwise. This is equivalent to the Python expression "not
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# o". On failure, return -1.
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object PyObject_Type(object o)
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# Return value: New reference.
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# When o is non-NULL, returns a type object corresponding to the
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# object type of object o. On failure, raises SystemError and
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# returns NULL. This is equivalent to the Python expression
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# type(o). This function increments the reference count of the
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# return value. There's really no reason to use this function
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# instead of the common expression o->ob_type, which returns a
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# pointer of type PyTypeObject*, except when the incremented
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# reference count is needed.
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bint PyObject_TypeCheck(object o, PyTypeObject *type)
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# Return true if the object o is of type type or a subtype of
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# type. Both parameters must be non-NULL.
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Py_ssize_t PyObject_Length(object o) except -1
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Py_ssize_t PyObject_Size(object o) except -1
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# Return the length of object o. If the object o provides either
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# the sequence and mapping protocols, the sequence length is
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# returned. On error, -1 is returned. This is the equivalent to
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# the Python expression "len(o)".
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object PyObject_GetItem(object o, object key)
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# Return value: New reference.
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# Return element of o corresponding to the object key or NULL on
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# failure. This is the equivalent of the Python expression
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# "o[key]".
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int PyObject_SetItem(object o, object key, object v) except -1
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# Map the object key to the value v. Returns -1 on failure. This
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# is the equivalent of the Python statement "o[key] = v".
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int PyObject_DelItem(object o, object key) except -1
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# Delete the mapping for key from o. Returns -1 on failure. This
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# is the equivalent of the Python statement "del o[key]".
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int PyObject_AsFileDescriptor(object o) except -1
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# Derives a file-descriptor from a Python object. If the object is
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# an integer or long integer, its value is returned. If not, the
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# object's fileno() method is called if it exists; the method must
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# return an integer or long integer, which is returned as the file
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# descriptor value. Returns -1 on failure.
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object PyObject_Dir(object o)
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# Return value: New reference.
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# This is equivalent to the Python expression "dir(o)", returning
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# a (possibly empty) list of strings appropriate for the object
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# argument, or NULL if there was an error. If the argument is
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# NULL, this is like the Python "dir()", returning the names of
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# the current locals; in this case, if no execution frame is
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# active then NULL is returned but PyErr_Occurred() will return
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# false.
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object PyObject_GetIter(object o)
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# Return value: New reference.
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# This is equivalent to the Python expression "iter(o)". It
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# returns a new iterator for the object argument, or the object
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# itself if the object is already an iterator. Raises TypeError
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# and returns NULL if the object cannot be iterated.
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Py_ssize_t Py_SIZE(object o)
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object PyObject_Format(object obj, object format_spec)
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# Takes an arbitrary object and returns the result of calling
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# obj.__format__(format_spec).
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# Added in Py2.6
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# Type flags (tp_flags of PyTypeObject)
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long Py_TPFLAGS_HAVE_GETCHARBUFFER
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long Py_TPFLAGS_HAVE_SEQUENCE_IN
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long Py_TPFLAGS_HAVE_INPLACEOPS
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long Py_TPFLAGS_CHECKTYPES
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long Py_TPFLAGS_HAVE_RICHCOMPARE
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long Py_TPFLAGS_HAVE_WEAKREFS
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long Py_TPFLAGS_HAVE_ITER
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long Py_TPFLAGS_HAVE_CLASS
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long Py_TPFLAGS_HEAPTYPE
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long Py_TPFLAGS_BASETYPE
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long Py_TPFLAGS_READY
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long Py_TPFLAGS_READYING
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long Py_TPFLAGS_HAVE_GC
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long Py_TPFLAGS_HAVE_STACKLESS_EXTENSION
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long Py_TPFLAGS_HAVE_INDEX
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long Py_TPFLAGS_HAVE_VERSION_TAG
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long Py_TPFLAGS_VALID_VERSION_TAG
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long Py_TPFLAGS_IS_ABSTRACT
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long Py_TPFLAGS_HAVE_NEWBUFFER
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long Py_TPFLAGS_INT_SUBCLASS
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long Py_TPFLAGS_LONG_SUBCLASS
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long Py_TPFLAGS_LIST_SUBCLASS
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long Py_TPFLAGS_TUPLE_SUBCLASS
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long Py_TPFLAGS_STRING_SUBCLASS
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long Py_TPFLAGS_UNICODE_SUBCLASS
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long Py_TPFLAGS_DICT_SUBCLASS
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long Py_TPFLAGS_BASE_EXC_SUBCLASS
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long Py_TPFLAGS_TYPE_SUBCLASS
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long Py_TPFLAGS_DEFAULT_EXTERNAL
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long Py_TPFLAGS_DEFAULT_CORE
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long Py_TPFLAGS_DEFAULT
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