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  1. Nov 23, 2015 · I modified the C/PyPy example to work with Python. Here's how to call Python from C using CFFI. My example is more complicated because I implemented three functions in Python instead of one. I wanted to cover additional aspects of passing data back and forth. The complicated part is now isolated to passing the address of api to Python. That ...

  2. 2.1Extending Python with C or C++ It is quite easy to add new built-in modules to Python, if you know how to program in C. Such extension modules can do two things that can’t be done directly in Python: they can implement new built-in object types, and they can call C library functions and system calls.

  3. Apr 27, 2024 · The article also discusses the advantages of integrating Python code in C and different compilation methods. Also Read: A Basic Intro to Python Correlation. Using the Python/C API to Call Python Scripts from C. Before calling a Python program from C, you should build a way for both to interact. This can be made possible using Python/C API.

    • A Simple Example¶ Let’s create an extension module called spam (the favorite food of Monty Python fans…) and let’s say we want to create a Python interface to the C library function system() [1].
    • Intermezzo: Errors and Exceptions¶ An important convention throughout the Python interpreter is the following: when a function fails, it should set an exception condition and return an error value (usually -1 or a NULL pointer).
    • Back to the Example¶ Going back to our example function, you should now be able to understand this statement: if (!PyArg_ParseTuple(args, "s", &command)) return NULL;
    • The Module’s Method Table and Initialization Function¶ I promised to show how spam_system() is called from Python programs. First, we need to list its name and address in a “method table”
    • Abstract
    • Introduction
    • 1.1 Include Files
    • 1.2 Objects, Types and Reference Counts
    • 1.2.1 Reference Counts
    • Reference Count Details
    • 1.2.2 Types
    • 1.3 Exceptions
    • 1.4 Embedding Python
    • The Very High Level Layer
    • int PyRun AnyFile(FILE *fp, char *filename)
    • int PyRun SimpleFile(FILE *fp, char *filename)
    • struct node* PyParser SimpleParseFile(FILE *fp, char *filename, int start)
    • int Py eval input
    • int Py file input
    • int Py single input
    • Reference Counting
    • void Py INCREF(PyObject *o)
    • void Py XINCREF(PyObject *o)
    • void Py DECREF(PyObject *o)
    • void Py XDECREF(PyObject *o)
    • Exception Handling
    • void PyErr Print()
    • int PyErr ExceptionMatches(PyObject *exc)
    • int PyErr GivenExceptionMatches(PyObject *given, PyObject *exc)
    • void PyErr NormalizeException(PyObject**exc, PyObject**val, PyObject**tb)
    • void PyErr Clear()
    • void PyErr SetString(PyObject *type, char *message)
    • void PyErr SetObject(PyObject *type, PyObject *value)
    • void PyErr SetNone(PyObject *type)
    • int PyErr BadArgument()
    • Return value: Always NULL.
    • PyObject* PyErr SetFromErrnoWithFilename(PyObject *type, char *filename)
    • void PyErr BadInternalCall()
    • int PyErr CheckSignals()
    • void PyErr SetInterrupt()
    • void PyErr WriteUnraisable(PyObject *obj)
    • 4.1 Standard Exceptions
    • 4.2 Deprecation of String Exceptions
    • Utilities
    • int Py FdIsInteractive(FILE *fp, char *filename)
    • long PyOS GetLastModificationTime(char *filename)
    • void PyOS AfterFork()
    • int PyOS CheckStack()
    • PyOS sighandler t PyOS getsig(int i)
    • PyOS sighandler t PyOS setsig(int i, PyOS sighandler t h)
    • void Py FatalError(char *message)
    • void Py Exit(int status)
    • 5.3 Importing Modules
    • long PyImport GetMagicNumber()
    • void PyImport Init()
    • void PyImport Fini()
    • struct frozen
    • struct frozen* PyImport FrozenModules
    • int PyImport AppendInittab(char *name, void (*initfunc)(void))
    • struct inittab
    • Abstract Objects Layer
    • PyObject* PyObject Unicode(PyObject *o)
    • int PyObject IsInstance(PyObject *inst, PyObject *cls)
    • int PyCallable Check(PyObject *o)
    • int PyObject Length(PyObject *o)
    • int PyObject AsFileDescriptor(PyObject *o)
    • int PySequence Index(PyObject *o, PyObject *value)
    • int PyMapping HasKey(PyObject *o, PyObject *key)
    • Concrete Objects Layer
    • 7.1 Fundamental Objects
    • PyTypeObject
    • PyObject* PyType Type
    • int PyType HasFeature(PyObject *o, int feature)
    • 7.1.2 The None Object
    • PyObject* Py None
    • PyIntObject
    • PyTypeObject PyInt Type
    • long PyInt AsLong(PyObject *io)
    • long PyInt AS LONG(PyObject *io)
    • long PyInt GetMax()
    • PyLongObject
    • PyTypeObject PyLong Type
    • int PyLong Check(PyObject *p)
    • long PyLong AsLong(PyObject *pylong)
    • unsigned long PyLong AsUnsignedLong(PyObject *pylong)
    • PyFloatObject
    • PyTypeObject PyFloat Type
    • int PyFloat Check(PyObject *p)
    • double PyFloat AsDouble(PyObject *pyfloat)
    • double PyFloat AS DOUBLE(PyObject *pyfloat)
    • 7.2.4 Complex Number Objects
    • Complex Numbers as C Structures
    • Py complex
    • Py complex Py c sum(Py complex left, Py complex right)
    • Py complex Py c diff(Py complex left, Py complex right)
    • Py complex Py c neg(Py complex complex)
    • Py complex Py c prod(Py complex left, Py complex right)
    • Py complex Py c quot(Py complex dividend, Py complex divisor)
    • Py complex Py c pow(Py complex num, Py complex exp)
    • PyComplexObject
    • PyTypeObject PyComplex Type
    • int PyComplex Check(PyObject *p)
    • Py complex PyComplex AsCComplex(PyObject *op)
    • 7.3 Sequence Objects
    • 7.3.1 String Objects
    • PyStringObject
    • PyTypeObject PyString Type
    • int PyString Check(PyObject *o)
    • int PyString Size(PyObject *string)
    • int PyString GET SIZE(PyObject *string)
    • char* PyString AsString(PyObject *string)
    • char* PyString AS STRING(PyObject *string)
    • int PyString AsStringAndSize(PyObject *obj, char **buffer, int *length)
    • void PyString Concat(PyObject **string, PyObject *newpart)
    • void PyString ConcatAndDel(PyObject **string, PyObject *newpart)
    • int PyString Resize(PyObject **string, int newsize)
    • void PyString InternInPlace(PyObject **string)
    • 7.3.2 Unicode Objects
    • PyUnicodeObject
    • PyTypeObject PyUnicode Type
    • int PyUnicode GET SIZE(PyObject *o)
    • int PyUnicode GET DATA SIZE(PyObject *o)
    • Py UNICODE* PyUnicode AS UNICODE(PyObject *o)
    • const char* PyUnicode AS DATA(PyObject *o)
    • double Py UNICODE TONUMERIC(Py UNICODE ch)
    • Py UNICODE* PyUnicode AsUnicode(PyObject *unicode)
    • int PyUnicode GetSize(PyObject *unicode)
    • Builtin Codecs
    • Methods and Slot Functions
    • 7.3.3 Buffer Objects
    • PyBufferObject
    • PyTypeObject PyBuffer Type
    • int Py END OF BUFFER
    • int PyBuffer Check(PyObject *p)
    • PyTupleObject
    • This instance of PyTypeObject
    • int PyTuple Check(PyObject *p)
    • int PyTuple Size(PyObject *p)
    • void PyTuple SET ITEM(PyObject *p, int pos, PyObject *o)
    • PyListObject
    • PyTypeObject PyList Type
    • int PyList Check(PyObject *p)
    • int PyList Size(PyObject *list)
    • int PyList GET SIZE(PyObject *list)
    • void PyList SET ITEM(PyObject *list, int i, PyObject *o)
    • PyDictObject
    • PyTypeObject PyDict Type
    • int PyDict Check(PyObject *p)
    • Return value: New reference.
    • int PyDict DelItem(PyObject *p, PyObject *key)
    • int PyDict DelItemString(PyObject *p, char *key)
    • 7.5.1 File Objects
    • PyFileObject
    • PyTypeObject PyFile Type
    • int PyFile Check(PyObject *p)
    • FILE* PyFile AsFile(PyFileObject *p)
    • void PyFile SetBufSize(PyFileObject *p, int n)
    • int PyFile SoftSpace(PyObject *p, int newflag)
    • 7.5.2 Instance Objects
    • int PyInstance Check(PyObject *obj)
    • 7.5.3 Module Objects
    • PyTypeObject PyModule Type
    • int PyModule Check(PyObject *p)
    • char* PyModule GetName(PyObject *module)
    • PyCObject
    • int PyCObject Check(PyObject *p)
    • void* PyCObject AsVoidPtr(PyObject* self)
    • void* PyCObject GetDesc(PyObject* self)
    • void Py Initialize()
    • int Py IsInitialized()
    • void Py Finalize()
    • PyThreadState* Py NewInterpreter()
    • void Py EndInterpreter(PyThreadState *tstate)
    • void Py SetProgramName(char *name)
    • char* Py GetProgramName()
    • char* Py GetPrefix()
    • char* Py GetExecPrefix()
    • char* Py GetProgramFullPath()
    • char* Py GetPath()
    • const char* Py GetCopyright()
    • ’Copyright 1991-1995 Stichting Mathematisch Centrum, Amsterdam’
    • int PySys SetArgv(int argc, char **argv)
    • 8.1 Thread State and the Global Interpreter Lock
    • PyInterpreterState
    • PyThreadState
    • void PyEval InitThreads()
    • void PyEval AcquireLock()
    • void PyEval ReleaseLock()
    • void PyEval AcquireThread(PyThreadState *tstate)
    • void PyEval ReleaseThread(PyThreadState *tstate)
    • PyThreadState* PyEval SaveThread()
    • void PyEval RestoreThread(PyThreadState *tstate)
    • Py BEGIN ALLOW THREADS
    • Py END ALLOW THREADS
    • Py BLOCK THREADS
    • Py UNBLOCK THREADS
    • Py BEGIN ALLOW THREADS
    • PyInterpreterState* PyInterpreterState New()
    • void PyInterpreterState Clear(PyInterpreterState *interp)
    • void PyInterpreterState Delete(PyInterpreterState *interp)
    • PyThreadState* PyThreadState New(PyInterpreterState *interp)
    • void PyThreadState Clear(PyThreadState *tstate)
    • void PyThreadState Delete(PyThreadState *tstate)
    • PyThreadState* PyThreadState Get()
    • PyThreadState* PyThreadState Swap(PyThreadState *tstate)
    • PyObject* PyThreadState GetDict()
    • 9.1 Overview
    • 9.2 Memory Interface
    • void* PyMem Malloc(size t n)
    • void* PyMem Realloc(void *p, size t n)
    • void PyMem Free(void *p)
    • PyMem Free(p)
    • TYPE* PyMem New(TYPE, size t n)
    • TYPE* PyMem Resize(void *p, TYPE, size t n)
    • 9.3 Examples
    • Defining New Object Types
    • PyObject Del(PyObject *op)
    • TYPE* PyObject New(TYPE, PyTypeObject *type)
    • TYPE* PyObject NewVar(TYPE, PyTypeObject *type, int size)
    • void PyObject Del(PyObject *op)
    • TYPE* PyObject NEW(TYPE, PyTypeObject *type)
    • TYPE* PyObject NEW VAR(TYPE, PyTypeObject *type, int size)
    • PyObject Py NoneStruct
    • 10.1 Common Object Structures
    • PyCFunction
    • PyMethodDef
    • PyMappingMethods
    • PyNumberMethods
    • PySequenceMethods
    • 10.5 Buffer Object Structures
    • PyBufferProcs
    • Py TPFLAGS HAVE GETCHARBUFFER
    • int (*getreadbufferproc) (PyObject *self, int segment, void **ptrptr)
    • int (*getwritebufferproc) (PyObject *self, int segment, void **ptrptr)
    • int (*getsegcountproc) (PyObject *self, int *lenp)
    • 10.6 Supporting Cyclic Garbarge Collection
    • Py TPFLAGS GC
    • PyGC HEAD SIZE
    • void PyObject GC Init(PyObject *op)
    • void PyObject GC Fini(PyObject *op)
    • int (*visitproc)(PyObject *object, void *arg)
    • int (*traverseproc)(PyObject *self, visitproc visit, void *arg)
    • int (*inquiry)(PyObject *self)
    • 10.6.1 Example Cycle Collector Support

    This manual documents the API used by C and C++ programmers who want to write extension modules or embed Python. It is a companion to Extending and Embedding the Python Interpreter, which describes the general principles of extension writing but does not document the API functions in detail. Warning: The current version of this document is incomple...

    The Application Programmer’s Interface to Python gives C and C++ programmers access to the Python interpreter at a variety of levels. The API is equally usable from C++, but for brevity it is generally referred to as the Python/C API. There are two fundamentally different reasons for using the Python/C API. The first reason is to write extension mo...

    All function, type and macro definitions needed to use the Python/C API are included in your code by the following line: #include "Python.h" This implies inclusion of the following standard headers: , , , , and (if available). All user visible names defined by Python.h (except those defined by the i...

    Most Python/C API functions have one or more arguments as well as a return value of type PyObject*. This type is a pointer to an opaque data type representing an arbitrary Python object. Since all Python object types are treated the same way by the Python language in most situations (e.g., assignments, scope rules, and argument passing), it is only...

    The reference count is important because today’s computers have a finite (and often severely limited) memory size; it counts how many different places there are that have a reference to an object. Such a place could be another object, or a global (or static) C variable, or a local variable in some C function. When an object’s reference count become...

    The reference count behavior of functions in the Python/C API is best explained in terms of ownership of references. Note that we talk of owning references, never of owning objects; objects are always shared! When a function owns a reference, it has to dispose of it properly — either by passing ownership on (usually to its caller) or by calling Py ...

    There are few other data types that play a significant role in the Python/C API; most are simple C types such as int, long, double and char*. A few structure types are used to describe static tables used to list the functions exported by a module or the data attributes of a new object type, and another is used to describe the value of a complex num...

    The Python programmer only needs to deal with exceptions if specific error handling is required; unhandled exceptions are automatically propagated to the caller, then to the caller’s caller, and so on, until they reach the top-level interpreter, where they are reported to the user accompanied by a stack traceback. For C programmers, however, error ...

    The one important task that only embedders (as opposed to extension writers) of the Python interpreter have to worry about is the initialization, and possibly the finalization, of the Python interpreter. Most functionality of the interpreter can only be used after the interpreter has been initialized. The basic initialization function is Py Initial...

    The functions in this chapter will let you execute Python source code given in a file or a buffer, but they will not let you interact in a more detailed way with the interpreter. Several of these functions accept a start symbol from the grammar as a parameter. The available start symbols are Py eval input, Py file input, and Py single input. These ...

    If fp refers to a file associated with an interactive device (console or terminal input or UNIX pseudo-terminal), return the value of PyRun InteractiveLoop(), otherwise return the result of PyRun SimpleFile(). If filename is NULL, this function uses "???" as the filename.

    Similar to PyRun SimpleString(), but the Python source code is read from fp instead of an in-memory string. filename should be the name of the file.

    Similar to PyParser SimpleParseString(), but the Python source code is read from fp instead of an in-memory string. filename should be the name of the file. PyObject* PyRun String(char *str, int start, PyObject *globals, PyObject *locals) Return value: New reference. Execute Python source code from str in the context specified by the dictionaries g...

    The start symbol from the Python grammar for isolated expressions; for use with Py CompileString().

    The start symbol from the Python grammar for sequences of statements as read from a file or other source; for use with Py CompileString(). This is the symbol to use when compiling arbitrarily long Python source code.

    The start symbol from the Python grammar for a single statement; for use with Py CompileString(). This is the symbol used for the interactive interpreter loop. CHAPTER THREE

    The macros in this section are used for managing reference counts of Python objects.

    Increment the reference count for object o. The object must not be NULL; if you aren’t sure that it isn’t NULL, use Py XINCREF().

    Increment the reference count for object o. The object may be NULL, in which case the macro has no effect.

    Decrement the reference count for object o. The object must not be NULL; if you aren’t sure that it isn’t NULL, use Py XDECREF(). If the reference count reaches zero, the object’s type’s deallocation function (which must not be NULL) is invoked. Warning: The deallocation function can cause arbitrary Python code to be invoked (e.g. when a class inst...

    Decrement the reference count for object o. The object may be NULL, in which case the macro has no effect; otherwise the effect is the same as for Py DECREF(), and the same warning applies. The following functions or macros are only for use within the interpreter core: Py Dealloc(), Py ForgetReference(), Py NewReference(), as well as the global var...

    The functions described in this chapter will let you handle and raise Python exceptions. It is important to understand some of the basics of Python exception handling. It works somewhat like the UNIX errno variable: there is a global indicator (per thread) of the last error that occurred. Most functions don’t clear this on success, but will set it ...

    Print a standard traceback to sys.stderr and clear the error indicator. Call this function only when the error indicator is set. (Otherwise it will cause a fatal error!) PyObject* PyErr Occurred() Return value: Borrowed reference. Test whether the error indicator is set. If set, return the exception type (the first argument to the last call to one ...

    Equivalent to ‘PyErr GivenExceptionMatches(PyErr Occurred(), exc)’. This should only be called when an exception is actually set; a memory access violation will occur if no exception has been raised.

    Return true if the given exception matches the exception in exc. If exc is a class object, this also returns true when given is an instance of a subclass. If exc is a tuple, all exceptions in the tuple (and recursively in subtuples) are searched for a match. If given is NULL, a memory access violation will occur.

    Under certain circumstances, the values returned by PyErr Fetch() below can be “unnormalized”, meaning that *exc is a class object but *val is not an instance of the same class. This function can be used to instantiate the class in that case. If the values are already normalized, nothing happens. The delayed normalization is implemented to improve ...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

    This example shows only enough of the implementation of an extension type to show how the garbage collector support needs to be added. It shows the definition of the object structure, the tp traverse, tp clear and tp dealloc implementations, the type structure, and a constructor — the module initialization needed to export the constructor to Python...

  4. 1 day ago · To run Python code from a C program, you utilize the Python/C API. A common method involves including Python.h and using functions like Py_Initialize() and Py_Finalize() to start and stop the Python interpreter. The core of the process lies in correctly running a Python script with functions like PyRun_SimpleFile() or PyRun_AnyFile(). However ...

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  6. Mar 27, 2019 · Prerequisite: Calling Python from C | Set 1 A reference to an existing Python callable needs to be passed in, to use this function. To do that there are many ways like – simply writing C code to extract a symbol from an existing module or having a callable object passed into an extension module. Code #1 : Simple embedding example int main ...

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