Python calls go code

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Go 1.5 is released, which contains a feature: you can compile and build a dynamic-link library, and the resulting. So file can be loaded and invoked by Python. Here's an example:

Write a go file first main.go:

package mainimport"C"//export Sumfuncintint {    return a + b}func main() {}

Then compile go build -buildmode=c-shared -o sum.so main.go , get one sum.so and one sum.h . You can then invoke the functions in the go code with the following Python code Sum() :

#!/usr/bin/env pythonimport ctypeslib = ctypes.CDLL('./sum.so')print lib.Sum(711)

With this mechanism in theory, you can use go to build more useful python modules.

Reference:
https://blog.filippo.io/building-python-modules-with-go-1-5/

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