A basic Python wrapper for the new Forrst API

gistfile1.py

import urllib2
import simplejson

API_URL = 'http://api.forrst.com/api/'
VERSION = 'v1'

# Compose the base URL - maybe at __init__ ?
URL = API_URL + VERSION

class Forrst:
    
    def __init__(self, username, id = '', since = ''):
        self.username = username
        self.id = id
        self.since = since
    
    # Retrieve information via the username
    def getInfoByUsername(self):
        return str(URL + '/users/info?username=' + self.username)
    
    # Retrieve information via the user's ID
    def getInfoByID(self):
        return str(URL + '/users/info?id=' + self.id)
    
    # Retrieve posts from username since
    def getPosts(self):
        return str(URL + '/users/posts?username=' + self.username + '&since=' + self.since)

# Forrst takes a username, an ID and an optional 'since' number
forrst  = Forrst('Toxinide', '1213', '') # e.g. 'Toxinide', '1213', '18900'
# posts   = forrst.getInfoByUsername()
# posts   = forrst.getInfoByID()
posts   = forrst.getPosts()

# Check server response for errors
# otherwise just print the returning JSON data
req = urllib2.Request(posts)
try:
    opener = urllib2.build_opener()
    f = opener.open(req)
except urllib2.URLError, e:
    if hasattr(e, 'reason'):    # Check to see if there is a reason
        print "Failed to reach the server."
        print "Reason ", e.reason
    elif hasattr(e, 'code'):    # Check for error codes
        print "The server couldn\'t fulfill the request."
        print 'Error code:', e.code
else:   # Nothing has happened
    print simplejson.load(f)