from __future__ import unicode_literals

from __future__ import absolute_import

import json

import logging

import logging.config

import os

class AlpineObject(object):

"""

Base Class of Alpine API objects

"""

#

# alpine alpine version string

#

_alpine_api_version = "v1"

_min_alpine_version = "6.2"

def __init__(self, base_url=None, session=None, token=None):

self.base_url = base_url

self.session = session

self.token = token

self._setup_logging()

# Get loggers from the configuration files(logging.json) if exists

# For detail, reference logging.json

self.logger = logging.getLogger("debug") # debug

def _add_token_to_url(self, url):

"""

Used internally to properly form URLs.

:param str url: An Alpine API URL

:return: Formatted URL

:rtype str:

"""

return str("{0}?session_id={1}".format(url, self.token))

@staticmethod

def _setup_logging(default_configuration_setting_file='logging.json',

default_level=logging.INFO,

env_key='LOG_CFG'):

"""

Sets internal values for logging through a file or an environmental variable

:param str default_configuration_setting_file: Path to logging config file. Will be overwritten by

environment variable if it exists.

:param default_level: See possible levels here: https://docs.python.org/2/library/logging.html#logging-levels

:param str env_key: Name of environment variable with logging setting.

:return: None

"""

path = default_configuration_setting_file

value = os.getenv(env_key, None)

if value:

path = value

else:

pass

if os.path.exists(path):

with open(path, 'rt') as f:

config = json.load(f)

logging.config.dictConfig(config)

else:

logging.basicConfig(level=default_level,

format="%(asctime)s %(name)s %(module)s[%(lineno)d] %(levelname)s: %(message)s")