scripts to fetch OpenNICProject nameservers, suitable for putting in resolv.conf.

onp.go

package main

import (
	"fmt"
	"github.com/PuerkitoBio/goquery"
	"os"
	"regexp"
	"strings"
)

const ONPSite = "http://opennicproject.org/"

var addrRegexp = regexp.MustCompile("((?:\\d{1,3}\\.){3}\\d{1,3})")

func main() {
	var doc *goquery.Document
	var err error

	if doc, err = goquery.NewDocument(ONPSite); err != nil {
		fmt.Println("[!] failed to load document:", err.Error())
		os.Exit(1)
	}

	sel := doc.Find("h4").First().Text()
	selLns := strings.Split(sel, "\n")

	for _, line := range selLns {
		if addr := addrRegexp.FindString(line); addr != "" {
			fmt.Println("nameserver", addr)
		}
	}

}

onp.py

#!/usr/bin/env python
"""Retrieve nameservers from the OpenNIC Project."""

import BeautifulSoup
import requests
import re

ONP_SITE = "http://opennicproject.org"


def pour_soup():
    """Grab the relevant text out of the page."""
    req = requests.get(ONP_SITE)
    if req.status_code is not 200:
        return None

    soup = BeautifulSoup.BeautifulSoup(req.content)
    return soup.find('h4').text.split('\n')


def consume_soup(soup):
    """Builds a list of all IPv4 addresses found."""
    addrs = []
    grep = r'((?:[0-9]{1,3}\.){3}[0-9]{1,3})'
    for line in soup:
        match = re.search(grep, line)
        if match is None:
            continue
        addrs.append(match.groups()[0])
    return addrs

if __name__ == '__main__':
    for addr in consume_soup(pour_soup()):
        print 'nameserver', addr