django-defender/defender/connection.py

51 lines
1.2 KiB
Python

import redis
try:
import urlparse
except ImportError: # pragma: no cover
import urllib.parse as urlparse # pragma: no cover
from . import config
# Register database schemes in URLs.
urlparse.uses_netloc.append("redis")
def get_redis_connection():
""" Get the redis connection """
redis_config = parse_redis_url(config.DEFENDER_REDIS_URL)
return redis.StrictRedis(
host=redis_config.get('HOST'),
port=redis_config.get('PORT'),
db=redis_config.get('DB'),
password=redis_config.get('PASSWORD'))
def parse_redis_url(url):
"""Parses a redis URL."""
# create config with some sane defaults
config = {
"DB": 0,
"PASSWORD": None,
"HOST": "localhost",
"PORT": 6379,
}
if not url:
return config
url = urlparse.urlparse(url)
# Remove query strings.
path = url.path[1:]
path = path.split('?', 2)[0]
if path:
config.update({"DB": int(path)})
if url.password:
config.update({"PASSWORD": url.password})
if url.hostname:
config.update({"HOST": url.hostname})
if url.port:
config.update({"PORT": int(url.port)})
return config