easy ini config cache

config_helper.py

import os
import os.path
import time
from ConfigParser import SafeConfigParser
from django.conf import settings

__all__ = ['get_config']

_CONFIG_MAP = {}
def get_config(path):
    global _CONFIG_MAP
    if not path in _CONFIG_MAP:
        _CONFIG_MAP[path] = [None, time.time()]
    lconfig = _CONFIG_MAP[path]

    mtime = os.path.getmtime(path)
    if mtime > lconfig[1] or not lconfig[0]:
        lconfig[1] = mtime
        with file(path, 'r') as f:
            lconfig[0] = SafeConfigParser()
            lconfig[0].readfp(f)

    return lconfig[0]

# #django example
# some_config = lambda:get_config(settings.BASE_PATH + '/conf/%s' % settings.SOME_CONF)