system_util.py
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system_util.py
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			"""
			Replacement of the old SystemUtility class.
			"""

			import os
			import logging
			from flask import current_app, session
			from flask.ext.login import current_user

			from pillar.sdk import FlaskInternalApi

			log = logging.getLogger(__name__)


			def blender_id_endpoint():
			"""Gets the endpoint for the authentication API. If the env variable
			is defined, it's possible to override the (default) production address.
			"""
			return os.environ.get('BLENDER_ID_ENDPOINT',
			"https://www.blender.org/id").rstrip('/')


			def pillar_server_endpoint():
			"""Gets the endpoint for the authentication API. If the env variable
			is defined, we will use the one from the config object.
			"""

			return os.environ.get('PILLAR_SERVER_ENDPOINT',
			current_app.config['PILLAR_SERVER_ENDPOINT'])


			def pillar_server_endpoint_static():
			"""Endpoint to retrieve static files (previews, videos, etc)"""
			return "{0}/file_server/file/".format(pillar_server_endpoint())


			def pillar_api(token=None):
			# Check if current_user is initialized (in order to support manage.py
			# scripts and non authenticated server requests).
			if token is None and current_user and current_user.is_authenticated:
			token = current_user.id

			api = FlaskInternalApi(
			endpoint=pillar_server_endpoint(),
			username=None,
			password=None,
			token=token
			)

			return api


			def session_item(item):
			return session.get(item, None)