Code source de pywws.YoWindow

#!/usr/bin/env python

# pywws - Python software for USB Wireless Weather Stations
# Copyright (C) 2008-13  Jim Easterbrook

# 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
# 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.

"""Generate YoWindow XML file



__docformat__ = "restructuredtext en"
__usage__ = """
 usage: python -m pywws.YoWindow [options] data_dir output_file
 options are:
  -h or --help     display this help
  -v or --verbose  increase amount of reassuring messages
 data_dir is the root directory of the weather data
 output_file is the YoWindow XML file to be written
__doc__ %= __usage__
__usage__ = __doc__.split('\n')[0] + __usage__

import getopt
import logging
import sys
from datetime import datetime, timedelta

from pywws import DataStore
from pywws.Logger import ApplicationLogger
from pywws.TimeZone import Local, utc
from pywws.conversions import apparent_temp

[docs]class YoWindow(object): """ Class to write YoWindow XML file. For file spec see """ def __init__(self, calib_data): self.logger = logging.getLogger('pywws.YoWindow') = calib_data # compute local midnight self.midnight = datetime.utcnow().replace(tzinfo=utc).astimezone( Local).replace(hour=0, minute=0, second=0).astimezone( utc).replace(tzinfo=None) = timedelta(hours=24) self.hour = timedelta(hours=1) self.last_update = None
[docs] def write_file(self, file_name, data=None): if not data: data =[] data_hour =[['idx'] - self.hour)] while data['idx'] < self.midnight: self.midnight -= while data['idx'] >= self.midnight + self.midnight += data_midnight =[] of = open(file_name, 'w') of.write('<response>\n') of.write(' <current_weather>\n') if data['temp_out'] != None: of.write(' <temperature unit="c">\n') of.write(' <current value="%.1f"/>\n' % (data['temp_out'])) if data['hum_out'] != None and data['wind_ave'] != None: of.write(' <feels_like value="%.1f"/>\n' % ( apparent_temp( data['temp_out'], data['hum_out'], data['wind_ave']))) of.write(' </temperature>\n') if data['hum_out'] != None: of.write(' <humidity value="%d"/>\n' % (data['hum_out'])) of.write(' <pressure value="%.1f" trend="%.1f" unit="hPa"/>\n' % ( data['rel_pressure'], data['rel_pressure'] - data_hour['rel_pressure'])) if data['wind_ave'] != None: of.write(' <wind>\n') of.write(' <speed value="%.1f" unit="m/s"/>\n' % ( data['wind_ave'])) if data['wind_dir'] != None and data['wind_dir'] < 16: of.write(' <direction value="%.0f"/>\n' % ( data['wind_dir'] * 22.5)) if data['wind_gust'] != None: of.write(' <gusts value="%.1f" unit="m/s"/>\n' % ( data['wind_gust'])) of.write(' </wind>\n') of.write(' <sky>\n') of.write(' <precipitation>\n') of.write(' <rain>\n') of.write(' <rate value="%.1f" unit="mm"/>\n' % ( max(data['rain'] - data_hour['rain'], 0.0))) of.write(' <daily_total value="%.1f" unit="mm"/>\n' % ( max(data['rain'] - data_midnight['rain'], 0.0))) of.write(' </rain>\n') of.write(' </precipitation>\n') of.write(' </sky>\n') of.write(' <auto_update>\n') if self.last_update: interval = (data['idx'] - self.last_update).seconds else: interval = data['delay'] * 60 self.last_update = data['idx'] of.write(' <interval value="%d"/>\n' % (interval)) of.write(' </auto_update>\n') of.write(' </current_weather>\n') of.write('</response>\n') of.close()
[docs]def main(argv=None): if argv is None: argv = sys.argv try: opts, args = getopt.getopt(argv[1:], "hv", ['help', 'verbose']) except getopt.error, msg: print >>sys.stderr, 'Error: %s\n' % msg print >>sys.stderr, __usage__.strip() return 1 # process options verbose = 0 for o, a in opts: if o == '-h' or o == '--help': print __usage__.strip() return 0 elif o == '-v' or o == '--verbose': verbose += 1 # check arguments if len(args) != 2: print >>sys.stderr, "Error: 2 arguments required" print >>sys.stderr, __usage__.strip() return 2 logger = ApplicationLogger(verbose) return YoWindow(DataStore.calib_store(args[0])).write_file(args[1])
if __name__ == "__main__": sys.exit(main())