Using Redis to cache the Todoist Python API

todoist_redis_cache.py

import todoist
import json
import redis
import sys

def _monkey_read_cache(self):
    if not self.redis:
        return

    try:
        self._update_state(json.loads(self.redis.get(self.token + '.json').decode('utf-8')))
        self.sync_token = self.redis.get(self.token + '.sync').decode('utf-8')

    except AttributeError:
        print('[WARN] - There was no data to decode (likely a cache miss).')
        return

    except:
        print("Unexpected error:", sys.exc_info()[0])
        raise

def state_default(obj):
    return obj.data


def _monkey_write_cache(self):
    if not self.redis:
        return

    self.redis.set(self.token + '.json', json.dumps(self.state, default=state_default))
    self.redis.set(self.token + '.sync', self.sync_token)


# Inject the functions
todoist.TodoistAPI._read_cache = _monkey_read_cache
todoist.TodoistAPI._write_cache = _monkey_write_cache

# Inject a working Redis session into the TodoistAPI instance
todoist.TodoistAPI.redis = redis.StrictRedis(host="localhost", port=6379, db=0)