import re
import sys

import memcache
from settings import CACHE_BACKEND

# gfranxman

verbose = False

if not CACHE_BACKEND.startswith("memcached://"):
    print("you are not configured to use memcched as your django cache backend")
else:
    m = re.search(r"//(.+:\d+)", CACHE_BACKEND)
    cache_host = m.group(1)

    h = memcache._Host(cache_host)
    h.connect()
    h.send_cmd("stats")

    stats = {}

    pat = re.compile(r"STAT (\w+) (\w+)")

    l = ""
    while l.find("END") < 0:
        l = h.readline()
        if verbose:
            print(l)
        m = pat.match(l)
        if m:
            stats[m.group(1)] = m.group(2)

    h.close_socket()

    if verbose:
        print(stats)

    items = int(stats["curr_items"])
    bytes = int(stats["bytes"])
    limit_maxbytes = int(stats["limit_maxbytes"]) or bytes
    current_conns = int(stats["curr_connections"])

    print("MemCache status for %s" % (CACHE_BACKEND))
    print("%d items using %d of %d" % (items, bytes, limit_maxbytes))
    print("%5.2f%% full" % (100.0 * bytes / limit_maxbytes))
    print("%d connections being handled" % (current_conns))
    print()