#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""Utility to manage glucometers' data."""
__author__ = 'Diego Elio Pettenò'
__email__ = 'flameeyes@flameeyes.eu'
__copyright__ = 'Copyright © 2013, Diego Elio Pettenò'
__license__ = 'MIT'
import argparse
import importlib
import sys
from dateutil import parser as date_parser
from glucometerutils import common
from glucometerutils import exceptions
def main():
parser = argparse.ArgumentParser()
subparsers = parser.add_subparsers(dest="action")
parser.add_argument(
'--driver', action='store', required=True,
help='Select the driver to use for connecting to the glucometer.')
parser.add_argument(
'--device', action='store', required=True,
help='Select the path to the glucometer device.')
subparsers.add_parser(
'info', help='Display information about the meter.')
subparsers.add_parser(
'zero', help='Zero out the data log of the meter.')
parser_dump = subparsers.add_parser(
'dump', help='Dump the readings stored in the device.')
parser_dump.add_argument(
'--unit', action='store', choices=common.VALID_UNITS,
help='Select the unit to use for the dumped data.')
parser_dump.add_argument(
'--sort-by', action='store', default='timestamp',
choices=common.Reading._fields,
help='Field to order the dumped data by.')
parser_date = subparsers.add_parser(
'datetime', help='Reads or sets the date and time of the glucometer.')
parser_date.add_argument(
'--set', action='store', nargs='?', const='now', default=None,
help='Set the date rather than just reading it from the device.')
args = parser.parse_args()
driver = importlib.import_module('glucometerutils.drivers.' + args.driver)
device = driver.Device(args.device)
try:
if args.action == 'info':
print(device.get_information_string())
elif args.action == 'dump':
unit = args.unit
if unit is None:
unit = device.get_glucose_unit()
readings = device.get_readings()
if args.sort_by is not None:
readings = sorted(
readings, key=lambda reading: getattr(reading, args.sort_by))
for reading in readings:
print('"%s","%.2f","%s","%s"' % (
reading.timestamp, reading.get_value_as(unit),
reading.meal, reading.comment))
elif args.action == 'datetime':
if args.set == 'now':
print(device.set_datetime())
elif args.set:
try:
print(device.set_datetime(date_parser.parse(args.set)))
except ValueError:
print('%s: not a valid date' % args.set, file=sys.stderr)
else:
print(device.get_datetime())
elif args.action == 'zero':
device.zero_log()
print('Device data log zeroed.')
else:
return 1
except exceptions.Error as err:
print('Error while executing \'%s\': %s' % (args.action, str(err)))
return 1
if __name__ == "__main__":
main()
