failable.py

import praw
from requests.exceptions import ConnectionError, HTTPError, Timeout

def failable(f):
    def wrapped(*args, **kwargs):
        try:
            return f(*args, **kwargs)
        except praw.errors.APIException:
            full = traceback.format_exc()
            logging.warning("Reddit API call failed! %s" % full)
            return None
        except ConnectionError:
            full = traceback.format_exc()
            logging.warning("Connection error: %s", full)
        except (Timeout, socket.timeout, socket.error):
            full = traceback.format_exc()
            logging.warning("Socket timeout! %s" % full)
            return None
        except HTTPError:
            full = traceback.format_exc()
            logging.warning("HTTP error %s" % full)
            return None
    return wrapped