nexus.py

#!/usr/bin/env python
 
import urllib, re
from collections import OrderedDict
 
url = 'https://play.google.com/store/devices'
data = urllib.urlopen(url).read()

matches = re.findall(r'\bNexus \d+', data)
devices = OrderedDict.fromkeys(matches).keys()

print ", ".join(devices)