GET HTTP with Python 2.7 standard lib

GET with urllib2

import urllib
import urllib2
import urlparse
import json

def get(url, headers=None, params=None):
    if params is not None:
        query = urllib.urlencode(params)
        url = '%s?%s' % (url, query)
    req = urllib2.Request(url, headers=headers)
    logging.debug("GET %s", url)

    try:
        res = urllib2.urlopen(req)
        return json.loads(res.read())
    except urllib2.HTTPError as err:
        logging.error("%s. Client error GET %s with status %d.",
                      err.reason, url, err.code)
    except urllib2.URLError as err:
        logging.exception(err)
    except (ValueError, TypeError) as err:
        logging.error(err)
    return None