Cython 简明手册

• 什么是Cython

cython 是python的超集
简单的说：python + c

• 安装

   pip install Cython -U
  

  一次性安装

  pip install Cython -U--install-option="--no-cython-compile"
  

• helloworld

  1. file: helloworld.pyx

     def hello_world(name="World"):
           print("Hello %s!" % name)
     

  2. file: setup.py

     from distutils.core import setup
     from Cython.Build import cythonize
     
     setup(
       name = 'Hello world app',
       ext_modules = cythonize("helloworld.pyx"),
       )
     

        3. build
            ```language-bash
            python setup.py build_ext --inplace
            ```
     
            在当前目录下生成```helloworld.so``` (mac/linux, pyd windows)
     
        4. file: main.py
            ```language-python
            from helloworld import hello_world
            hello_world() # out: Hello World
            ```
     

• How

  • cython 是python的超集，可以被看成是python + c
  • install
    • 安装

    pip install Cython -U
    

    • 一次性安装

    pip install Cython -U--install-option="--no-cython-compile"
    

    • helloworld

      1. file: helloworld.pyx

         def hello_world(name="World"):
             print("Hello %s!" % name)
         

      2. file: setup.py

         from distutils.core import setup
         from Cython.Build import cythonize
         
         setup(
             name = 'Hello world app',
             ext_modules = cythonize("helloworld.pyx"),
         )
         

      3. build

         python setup.py build_ext --inplace
         

         在当前目录下生成helloworld.so (mac/linux, pyd windows)

      4. file: main.py

         from helloworld import hello_world
         hello_world() # out: Hello World