# The MIT License (MIT) # Copyright (c) 2014-2017 University of Bristol
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
# DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
# OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
# OR OTHER DEALINGS IN THE SOFTWARE.
"""
HyperStream configuration module.
"""
import logging
import json
import os
from .utils import Printable, ConfigurationError
from .plugin_manager import Plugin
from .time_interval import RelativeTimeInterval
[docs]class OnlineEngineConfig(Printable):
def __init__(self, interval, sleep=5, iterations=100, alarm=None):
self.interval = RelativeTimeInterval(**interval)
self.sleep = sleep
self.iterations = iterations
self.alarm = sleep * iterations if not alarm else alarm
[docs]class HyperStreamConfig(Printable):
"""
Wrapper around the hyperstream configuration file
"""
def __init__(self, filename="hyperstream_config.json"):
"""
Initialise the configuration - currently uses fixed file name (hyperstream_config.json)
"""
self.mongo = None
try:
with open(filename, 'r') as f:
logging.getLogger("hyperstream")
logging.info('Reading ' + os.path.abspath(f.name))
config = json.load(f)
self.mongo = config['mongo']
self.history_channel = config.get('history_channel', 'memory')
self.output_path = config.get('output_path', 'output')
self.plugins = [Plugin(**p) for p in config.get('plugins', [])]
self.online_engine = OnlineEngineConfig(**config["online_engine"])
except (OSError, IOError, TypeError) as e:
raise ConfigurationError(str(e))
# logging.error("Configuration error: " + str(e))