gistfile1.py

import os
import sys
import context

def get_env_name():
    env = None #'dev' # the default
    env = os.environ.get('ENV_NAME', env)
    if env is None:
        raise Exception("ENV_NAME=None")
    env = env.lower()
    return env

def get_env_config(pre=False):
    return 'conf.%(env)s%(pre_env)s' % {
            'env': get_env_name(),
            'pre_env': '_pre' if pre else ""}

def get_context():
    return context.ctx()

CONF_DIR = os.path.split(os.path.abspath(__file__))[0]
MODULES = [
    # module name, required?
    ('conf.version',           False),
    ('conf.local_pre',         False),
    (get_env_config(pre=True), False),
    ('conf.all',               True),
    (get_env_config(),         True),
    ('conf.local',             False),
    ]
LOADED = False
def load(_reload=False):
    global LOADED
    if LOADED and not _reload:
        return None
    ctx = get_context()
    ctx.clear()
    for name, opt in MODULES:
        try:
            if name in sys.modules:
                reload(sys.modules[name])
            else:
                __import__(name)
        except ImportError, e:
            if opt:
                raise
    LOADED = True
load()