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Python 技術手冊 第三版
book

Python 技術手冊 第三版

by lex Martelli, Anna Martelli Ravenscroft, Steve Holden
January 2018
Intermediate to advanced
856 pages
17h 17m
Chinese
GoTop Information, Inc.
Content preview from Python 技術手冊 第三版
Python C API 擴充 Python
|
725
#if PY_MAJOR_VERSION >= 3
PyInit_hello(void)
{
return PyModule_Create(&hello_module);
#else
inithello(void)
{
Py_InitModule3("hello",
hello_funcs, hello_docs);
#endif
}
將這儲存為
hello.c
,並以
distutils
,例如:
from setuptools import setup, Extension
setup(name='hello',
ext_modules=[Extension('hello',sources=['hello.c'])])
執行了
python setup.py install
之後,你就能使用新安裝的模組,例如從一個
Python 互動工作階段,像是:
>>> import hello
>>> print hello.hello()
Hello, Python extensions world!
>>>
Python C API 函式的回傳值
Python C API 中的所有函式都會回傳一個
int
PyObject*
。大多數函式會
在成功時回傳
0
,而回傳
-1
代表錯誤。某些函式會回傳是 true false
結果:這些函式回傳
0
來表示 false,一個不等於
0
的整數則代表 true,而
永不指示錯誤。回傳
PyObject*
的函式會在錯誤的時候回傳
NULL ...
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Publisher Resources

ISBN: 9789864766819