go调用python报错pkg-config: exec: "pkg-config": executable file not found in %PATH%

我开始是在windows环境下直接go get github.com/sbinet/go-python
会报错pkg-config: exec: “pkg-config”: executable file not found in %PATH%

后来还是算了,直接在我的云服务器上面去跑了,windows系统的坑略多,于是放弃windows,直接去了linux系统进行如下操作:

官方文档写的是

If go get + pkg-config failed:
$ cd go-python
$ edit cgoflags.go
$make VERBOSE=1
Note: you’ll need the proper header and python
development environment. On Debian, you’ll need to install the
python-all-dev package

最后总结报这个错是/usr/lib/pkgconfig少了python-2.7.pc文件以及python-dev环境
在/usr/lib/pkgconfig新建python-2.7.pc:

prefix=/usr
exec_prefix=/usr
libdir=/usr/lib64
includedir=/usr/include

Name: Python
Description: Python library
Requires: 
Version: 2.7
Libs.private: -lpthread -ldl  -lutil
Libs: -L${libdir} -lpython2.7
Cflags: -I${includedir}/python2.7 

直接下载python-dev会有依赖关系的问题,要通过aptitude来下载

sudo apt-get install aptitude 
sudo aptitude install python-dev 

最后下载go get github.com/sbinet/go-python,没有问题

运行一个官方例子

 package main

import "fmt"
import "github.com/sbinet/go-python"

func init() {
   err := python.Initialize()
   if err != nil {
          panic(err.Error())
   } 
}

func main() {
 	 gostr := "foo" 
	 pystr := python.PyString_FromString(gostr)
	 str := python.PyString_AsString(pystr)
	 fmt.Println("hello [", str, "]")
}

运行

$ go run ./main.go

输出

hello [ foo ]

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