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# -*- coding: utf-8 -*-
"""Driver for Accu-Chek Mobile devices with reports mode.
This driver expects a mountpoint as the device name, and will read the
data off the CSV file found there. This means it is read-only access,
but has no dependencies at all.
The Accu-Chek Mobile meters should be set to "Reports" mode.
"""
__author__ = 'Diego Elio Pettenò'
__email__ = 'flameeyes@flameeyes.eu'
__copyright__ = 'Copyright © 2016, Diego Elio Pettenò'
__license__ = 'MIT'
import csv
import datetime
import glob
import os
from glucometerutils import common
from glucometerutils import exceptions
_UNIT_MAP = {
'mmol/l': common.UNIT_MMOLL,
'mg/dl': common.UNIT_MGDL,
}
_DATE_CSV_KEY = 'Date'
_TIME_CSV_KEY = 'Time'
_RESULT_CSV_KEY = 'Result'
_UNIT_CSV_KEY = 'Unit'
_TEMPWARNING_CSV_KEY = 'Temperature warning' # ignored
_OUTRANGE_CSV_KEY = 'Out of target range' # ignored
_OTHER_CSV_KEY = 'Other' # ignored
_BEFORE_MEAL_CSV_KEY = 'Before meal'
_AFTER_MEAL_CSV_KEY = 'After meal'
# Control test has extra whitespace which is not ignored.
_CONTROL_CSV_KEY = 'Control test' + ' '*197
_DATE_FORMAT = '%d.%m.%Y'
_TIME_FORMAT = '%H:%M'
_DATETIME_FORMAT = ' '.join((_DATE_FORMAT, _TIME_FORMAT))
class Device(object):
def __init__(self, device):
report_files = glob.glob(os.path.join(device, '*', 'Reports', '*.csv'))
if not report_files:
raise exceptions.ConnectionFailed(
'No report file found in path "%s".' % reports_path)
self.report_file = report_files[0]
def _get_records_reader(self):
self.report.seek(0)
# Skip the first two lines
next(self.report)
next(self.report)
return csv.DictReader(
self.report, delimiter=';', skipinitialspace=True, quoting=csv.QUOTE_NONE)
def connect(self):
self.report = open(self.report_file, 'r', newline='\r\n', encoding='utf-8')
def disconnect(self):
self.report.close()
def get_information_string(self):
return ('%s glucometer\n'
'Serial number: %s\n'
'Default unit: %s' % (
self.get_model(),
self.get_serial_number(),
self.get_glucose_unit()))
def get_model(self):
# $device/MODEL/Reports/*.csv
return os.path.basename(os.path.dirname(os.path.dirname(self.report_file)))
def get_serial_number(self):
self.report.seek(0)
# ignore the first line.
next(self.report)
# The second line of the CSV is serial-no;report-date;report-time;;;;;;;
return next(self.report).split(';')[0]
def get_glucose_unit(self):
# Get the first record available and parse that.
record = next(self._get_records_reader())
return _UNIT_MAP[record[_UNIT_CSV_KEY]]
def get_datetime(self):
raise NotImplemented
def set_datetime(self, date=None):
raise NotImplemented
def zero_log(self):
raise NotImplemented
def _extract_datetime(self, record):
# Date and time are in separate column, but we want to parse them
# together.
date_and_time = ' '.join((record[_DATE_CSV_KEY], record[_TIME_CSV_KEY]))
return datetime.datetime.strptime(date_and_time, _DATETIME_FORMAT)
def _extract_meal(self, record):
if record[_AFTER_MEAL_CSV_KEY] and record[_BEFORE_MEAL_CSV_KEY]:
raise InvalidResponse('Reading cannot be before and after meal.')
elif record[_AFTER_MEAL_CSV_KEY]:
return common.AFTER_MEAL
elif record[_BEFORE_MEAL_CSV_KEY]:
return common.BEFORE_MEAL
else:
return common.NO_MEAL
def get_readings(self):
for record in self._get_records_reader():
if record[_RESULT_CSV_KEY] is None:
continue
yield common.Reading(
self._extract_datetime(record),
common.convert_glucose_unit(float(record[_RESULT_CSV_KEY]),
_UNIT_MAP[record[_UNIT_CSV_KEY]]),
meal=self._extract_meal(record))
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