#!/usr/bin/env python
# pywws - Python software for USB Wireless Weather Stations
# http://github.com/jim-easterbrook/pywws
# Copyright (C) 2008-14 Jim Easterbrook jim@jim-easterbrook.me.uk
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
"""Get weather data, store it, and process it.
Run this continuously, having set what tasks are to be done. This
script can also be run with the ``pywws-livelog`` command. ::
%s
For more information on using ``LiveLog.py``, see
:doc:`../guides/livelogging`.
"""
from __future__ import absolute_import
__docformat__ = "restructuredtext en"
__usage__ = """
usage: %s [options] data_dir
options are:
-h or --help display this help
-l file or --log file write log information to file
-v or --verbose increase amount of reassuring messages
data_dir is the root directory of the weather data (e.g. ~/weather/data)
"""
__doc__ %= __usage__ % ('python -m pywws.LiveLog')
from datetime import datetime, timedelta
import getopt
import logging
import os
import sys
import time
from . import DataStore
from . import Localisation
from .LogData import DataLogger
from .Logger import ApplicationLogger
from . import Process
from . import Tasks
[docs]def LiveLog(data_dir):
logger = logging.getLogger('pywws.LiveLog')
params = DataStore.params(data_dir)
status = DataStore.status(data_dir)
# localise application
Localisation.SetApplicationLanguage(params)
# open data file stores
raw_data = DataStore.data_store(data_dir)
calib_data = DataStore.calib_store(data_dir)
hourly_data = DataStore.hourly_store(data_dir)
daily_data = DataStore.daily_store(data_dir)
monthly_data = DataStore.monthly_store(data_dir)
# create a DataLogger object
datalogger = DataLogger(params, status, raw_data)
# create a RegularTasks object
asynch = eval(params.get('config', 'asynchronous', 'False'))
tasks = Tasks.RegularTasks(params, status, raw_data, calib_data,
hourly_data, daily_data, monthly_data,
asynch=asynch)
# get live data
try:
for data, logged in datalogger.live_data(
logged_only=(not tasks.has_live_tasks())):
if logged:
# process new data
Process.Process(params, raw_data, calib_data,
hourly_data, daily_data, monthly_data)
# do tasks
tasks.do_tasks()
else:
tasks.do_live(data)
except Exception, ex:
logger.exception(ex)
finally:
tasks.stop_thread()
return 0
[docs]def main(argv=None):
if argv is None:
argv = sys.argv
usage = (__usage__ % (argv[0])).strip()
try:
opts, args = getopt.getopt(argv[1:], "hl:v", ['help', 'log=', 'verbose'])
except getopt.error, msg:
print >>sys.stderr, 'Error: %s\n' % msg
print >>sys.stderr, usage
return 1
# process options
logfile = None
verbose = 0
for o, a in opts:
if o in ('-h', '--help'):
print __doc__.split('\n\n')[0]
print usage
return 0
elif o in ('-l', '--log'):
logfile = a
elif o in ('-v', '--verbose'):
verbose += 1
# check arguments
if len(args) != 1:
print >>sys.stderr, 'Error: 1 argument required\n'
print >>sys.stderr, usage
return 2
logger = ApplicationLogger(verbose, logfile)
return LiveLog(args[0])
if __name__ == "__main__":
logger = logging.getLogger('pywws')
try:
sys.exit(main())
except KeyboardInterrupt:
pass
except Exception, e:
logger.exception(str(e))