excalibr's request for a golang version of first example in http://docs.python-requests.org/en/latest/user/advanced/

persist_cookies.go

//usr/bin/env go run $0 $@ ; exit

// excalibr (from Freenode's #myoss)'s request for a golang version of
// the first example in http://docs.python-requests.org/en/latest/user/advanced/

package main

import (
	"fmt"
	"io/ioutil"
	"net/http"
	"net/http/cookiejar"
)

func main() {
	// cookiejar here is an in-memory cookie jar. We'll need a different implementation
	// if we want to store/load them from disk across invocations to this program.
	myCookies, _ := cookiejar.New(nil)
	myBrowser := &http.Client{
		Jar: myCookies,
	}

	// It normally returns the response and error, but we're lazy and will
	// be discarding it.
	myBrowser.Get("http://httpbin.org/cookies/set/sessioncookie/123456789")

	// Send the set cookies back, and expect the server to echo back the cookie:
	// resp is a streamable io object, rather than one big blob of memory globbing
	// data. We'll only decode what we need.
	// _ means "error, what error?"
	resp, _ := myBrowser.Get("http://httpbin.org/cookies")

	// Close it when we're done streaming.
	defer resp.Body.Close()

	// Just kidding! We're lazy, so read everything into memory as an array of bytes
	// _ means "error, what error? Got disconnected while downloading the chunked
	// body? We'll ignore it!"
	body, _ := ioutil.ReadAll(resp.Body)

	// Convert the bytes into string (unicode handling and all) and then
	// print it. (Otherwise, "fmt" happily outputs the byte stream as space separated
	// ascii integers)
	fmt.Println(string(body))
}