cython - 函数调用之fib

1. fib.pyx

# fib.pyx
from __future__ import print_function

def fib(n):
    """Print the Fibonacci series up to n."""
    a, b = 0, 1
    while b < n:
        print(b, end=' ')
        a, b = b, a + b

    print()

2. setup.py

# setup.py
from setuptools import setup
from Cython.Build import cythonize

setup(
    ext_modules=cythonize("fib.pyx"),
)

3. 编译

python setup.py build_ext --inplace

4. 测试

J:\mySVN\pytools\cython\lesson1>python
Python 3.7.0 (v3.7.0:1bf9cc5093, Jun 27 2018, 04:06:47) [MSC v.1914 32 bit (Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import fib
>>> fib.fib(9)
1 1 2 3 5 8