__init__.py

import config
import logging

conf = config.Config()

logging.getLogger('suds').setLevel(logging.WARNING)


def get_configuration_mode():
    from google.appengine.api import app_identity
    mode = 'production'
    try:
        mode = conf['gae-applications'][app_identity.get_application_id()]
    except:
        pass
    return mode


def configuration(key):
    """
    Get configuration value in paymentez.yaml
      @key: carriers.pagseguro.receiver_email
    This method take the value depending of the application.
    """
    if '.' in key: key = key.split('.')
    if type(key) != list: key = [key]
    v = conf
    for i in key: v = v[i]
    mode = get_configuration_mode()
    if type(v) == dict and mode in v:
        v = v[mode]
    return v


def configuration_value(conf, key):
    """
    Extracts a value form a dictionary which has
    a multi mode value.
    conf = {
       'key': {
            'production': 'value',
            'development': 'value'
       }
    """
    mode = get_configuration_mode()
    v = conf[key]
    if type(conf) == dict and mode in v:
        v = v[mode]
    return v