diff options
Diffstat (limited to 'glucometerutils/drivers/fsoptium.py')
| -rw-r--r-- | glucometerutils/drivers/fsoptium.py | 101 |
1 files changed, 52 insertions, 49 deletions
diff --git a/glucometerutils/drivers/fsoptium.py b/glucometerutils/drivers/fsoptium.py index 395494c..618fffa 100644 --- a/glucometerutils/drivers/fsoptium.py +++ b/glucometerutils/drivers/fsoptium.py @@ -29,8 +29,8 @@ from glucometerutils.support import serial _CLOCK_RE = re.compile( - r'^Clock:\t(?P<month>[A-Z][a-z]{2}) (?P<day>[0-9]{2}) (?P<year>[0-9]{4})\t' - r'(?P<time>[0-9]{2}:[0-9]{2}:[0-9]{2})$') + r'^Clock:\t(?P<month>[A-Z][a-z]{2}) (?P<day>[0-9]{2}) (?P<year>[0-9]{4})\t' + r'(?P<time>[0-9]{2}:[0-9]{2}:[0-9]{2})$') # The reading can be HI (padded to three-characters by a space) if the value was # over what the meter was supposed to read. Unlike the "Clock:" line, the months @@ -38,29 +38,33 @@ _CLOCK_RE = re.compile( # characters, so accept a space or 'e'/'y' at the end of the month name. Also, # the time does *not* include seconds. _READING_RE = re.compile( - r'^(?P<reading>HI |[0-9]{3}) (?P<month>[A-Z][a-z]{2})[ ey] (?P<day>[0-9]{2}) ' - r'(?P<year>[0-9]{4}) (?P<time>[0-9]{2}:[0-9]{2}) (?P<type>[GK]) 0x00$') + r'^(?P<reading>HI |[0-9]{3}) ' + r'(?P<month>[A-Z][a-z]{2})[ ey] ' + r'(?P<day>[0-9]{2}) ' + r'(?P<year>[0-9]{4}) ' + r'(?P<time>[0-9]{2}:[0-9]{2}) ' + r'(?P<type>[GK]) 0x00$') _CHECKSUM_RE = re.compile( - r'^(?P<checksum>0x[0-9A-F]{4}) END$') + r'^(?P<checksum>0x[0-9A-F]{4}) END$') # There are two date format used by the device. One uses three-letters month # names, and that's easy enough. The other uses three-letters month names, # except for (at least) July. So ignore the fourth character. # explicit mapping. Note that the mapping *requires* a trailing whitespace. _MONTH_MATCHES = { - 'Jan': 1, - 'Feb': 2, - 'Mar': 3, - 'Apr': 4, - 'May': 5, - 'Jun': 6, - 'Jul': 7, - 'Aug': 8, - 'Sep': 9, - 'Oct': 10, - 'Nov': 11, - 'Dec': 12 + 'Jan': 1, + 'Feb': 2, + 'Mar': 3, + 'Apr': 4, + 'May': 5, + 'Jun': 6, + 'Jul': 7, + 'Aug': 8, + 'Sep': 9, + 'Oct': 10, + 'Nov': 11, + 'Dec': 12 } @@ -99,8 +103,8 @@ class Device(serial.SerialDevice): logging.debug('Received response: %r', response) - # We always want to decode the output, and remove stray \r\n. Any failure in - # decoding means the output is invalid anyway. + # We always want to decode the output, and remove stray \r\n. Any + # failure in decoding means the output is invalid anyway. decoded_response = [line.decode('ascii').rstrip('\r\n') for line in response] return decoded_response @@ -109,7 +113,7 @@ class Device(serial.SerialDevice): self._send_command('xmem') # ignore output this time self._fetch_device_information() - def disconnect(self): + def disconnect(self): # pylint: disable=no-self-use return def _fetch_device_information(self): @@ -126,13 +130,13 @@ class Device(serial.SerialDevice): self.device_glucose_unit_ = common.Unit.MMOL_L else: # I only have a mmol/l device, so I can't be sure. self.device_glucose_unit_ = common.Unit.MG_DL - # There are more entries: Clock, Market, ROM and Usage, but we don't care - # for those here. + # There are more entries: Clock, Market, ROM and Usage, but we don't + # care for those here. elif parsed_line[0] == 'CMD OK': return - # I have not figured out why this happens, but sometimes it's echoing back - # the commands and not replying to them. + # I have not figured out why this happens, but sometimes it's echoing + # back the commands and not replying to them. raise exceptions.ConnectionFailed() def get_meter_info(self): @@ -142,11 +146,11 @@ class Device(serial.SerialDevice): A common.MeterInfo object. """ return common.MeterInfo( - 'Freestyle Optium glucometer', - serial_number=self.get_serial_number(), - version_info=( - 'Software version: ' + self.get_version(),), - native_unit=self.get_glucose_unit()) + 'Freestyle Optium glucometer', + serial_number=self.get_serial_number(), + version_info=( + 'Software version: ' + self.get_version(),), + native_unit=self.get_glucose_unit()) def get_version(self): """Returns an identifier of the firmware version of the glucometer. @@ -208,11 +212,6 @@ class Device(serial.SerialDevice): return self.get_datetime() def zero_log(self): - """Zeros out the data log of the device. - - This function will clear the memory of the device deleting all the readings - in an irrecoverable way. - """ raise NotImplementedError def get_readings(self): @@ -221,19 +220,20 @@ class Device(serial.SerialDevice): Args: unit: The glucose unit to use for the output. - Yields: - A tuple (date, value) of the readings in the glucometer. The value is a - floating point in the unit specified; if no unit is specified, the default - unit in the glucometer will be used. + Yields: A tuple (date, value) of the readings in the glucometer. The + value is a floating point in the unit specified; if no unit is + specified, the default unit in the glucometer will be used. Raises: - exceptions.InvalidResponse: if the response does not match what expected. + exceptions.InvalidResponse: if the response does not match what ' + expected. + """ data = self._send_command('xmem') - # The first line is empty, the second is the serial number, the third the - # version, the fourth the current time, and the fifth the record count.. The - # last line has a checksum and the end. + # The first line is empty, the second is the serial number, the third + # the version, the fourth the current time, and the fifth the record + # count.. The last line has a checksum and the end. count = int(data[4]) if count != (len(data) - 6): raise exceptions.InvalidResponse('\n'.join(data)) @@ -244,12 +244,14 @@ class Device(serial.SerialDevice): raise exceptions.InvalidResponse('\n'.join(data)) expected_checksum = int(checksum_match.group('checksum'), 16) - # exclude the last line in the checksum calculation, as that's the checksum - # itself. The final \r\n is added separately. - calculated_checksum = sum(ord(c) for c in '\r\n'.join(data[:-1])) + 0xd + 0xa + # exclude the last line in the checksum calculation, as that's the + # checksum itself. The final \r\n is added separately. + calculated_checksum = sum( + ord(c) for c in '\r\n'.join(data[:-1])) + 0xd + 0xa if expected_checksum != calculated_checksum: - raise exceptions.InvalidChecksum(expected_checksum, calculated_checksum) + raise exceptions.InvalidChecksum( + expected_checksum, calculated_checksum) for line in data[5:-1]: match = _READING_RE.match(line) @@ -257,7 +259,8 @@ class Device(serial.SerialDevice): raise exceptions.InvalidResponse(line) if match.group('type') != 'G': - logging.warning('Non-glucose readings are not supported, ignoring.') + logging.warning( + 'Non-glucose readings are not supported, ignoring.') continue if match.group('reading') == 'HI ': @@ -273,6 +276,6 @@ class Device(serial.SerialDevice): timestamp = datetime.datetime(year, month, day, hour, minute) - # The reading, if present, is always in mg/dL even if the glucometer is - # set to mmol/L. + # The reading, if present, is always in mg/dL even if the glucometer + # is set to mmol/L. yield common.GlucoseReading(timestamp, value) |