diff options
Diffstat (limited to 'glucometerutils/drivers/fsoptium.py')
| -rw-r--r-- | glucometerutils/drivers/fsoptium.py | 134 |
1 files changed, 65 insertions, 69 deletions
diff --git a/glucometerutils/drivers/fsoptium.py b/glucometerutils/drivers/fsoptium.py index 66b23ca..5c3971e 100644 --- a/glucometerutils/drivers/fsoptium.py +++ b/glucometerutils/drivers/fsoptium.py @@ -20,13 +20,13 @@ import datetime import logging import re -from glucometerutils import common -from glucometerutils import exceptions -from glucometerutils.support import serial, driver_base +from glucometerutils import common, exceptions +from glucometerutils.support import driver_base, 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 @@ -34,33 +34,33 @@ _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}) ' - 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$') + r"^(?P<reading>HI |[0-9]{3}) " + r"(?P<month>[A-Z][a-z]{2})[ ey] " + r"(?P<day>[0-9]{2}) " + r"(?P<year>[0-9]{4}) " + r"(?P<time>[0-9]{2}:[0-9]{2}) " + r"(?P<type>[GK]) 0x00$" +) -_CHECKSUM_RE = re.compile( - r'^(?P<checksum>0x[0-9A-F]{4}) END$') +_CHECKSUM_RE = re.compile(r"^(?P<checksum>0x[0-9A-F]{4}) END$") # 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, } @@ -75,60 +75,59 @@ def _parse_clock(datestr): raise exceptions.InvalidResponse(datestr) # int() parses numbers in decimal, so we don't have to worry about '08' - day = int(match.group('day')) - month = _MONTH_MATCHES[match.group('month')] - year = int(match.group('year')) + day = int(match.group("day")) + month = _MONTH_MATCHES[match.group("month")] + year = int(match.group("year")) - hour, minute, second = (int (x) for x in match.group('time').split(':')) + hour, minute, second = (int(x) for x in match.group("time").split(":")) return datetime.datetime(year, month, day, hour, minute, second) class Device(serial.SerialDevice, driver_base.GlucometerDriver): BAUDRATE = 19200 - DEFAULT_CABLE_ID = '1a61:3420' + DEFAULT_CABLE_ID = "1a61:3420" def _send_command(self, command): - cmd_bytes = bytes('$%s\r\n' % command, 'ascii') - logging.debug('Sending command: %r', cmd_bytes) + cmd_bytes = bytes("$%s\r\n" % command, "ascii") + logging.debug("Sending command: %r", cmd_bytes) self.serial_.write(cmd_bytes) self.serial_.flush() response = self.serial_.readlines() - logging.debug('Received response: %r', response) + 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. - decoded_response = [line.decode('ascii').rstrip('\r\n') - for line in response] + decoded_response = [line.decode("ascii").rstrip("\r\n") for line in response] return decoded_response def connect(self): - self._send_command('xmem') # ignore output this time + self._send_command("xmem") # ignore output this time self._fetch_device_information() def disconnect(self): # pylint: disable=no-self-use return def _fetch_device_information(self): - data = self._send_command('colq') + data = self._send_command("colq") for line in data: - parsed_line = line.split('\t') + parsed_line = line.split("\t") - if parsed_line[0] == 'S/N:': + if parsed_line[0] == "S/N:": self.device_serialno_ = parsed_line[1] - elif parsed_line[0] == 'Ver:': + elif parsed_line[0] == "Ver:": self.device_version_ = parsed_line[1] - if parsed_line[2] == 'MMOL': + if parsed_line[2] == "MMOL": 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. - elif parsed_line[0] == 'CMD OK': + elif parsed_line[0] == "CMD OK": return # I have not figured out why this happens, but sometimes it's echoing @@ -142,11 +141,11 @@ class Device(serial.SerialDevice, driver_base.GlucometerDriver): A common.MeterInfo object. """ return common.MeterInfo( - 'Freestyle Optium glucometer', + "Freestyle Optium glucometer", serial_number=self.get_serial_number(), - version_info=( - 'Software version: ' + self.get_version(),), - native_unit=self.get_glucose_unit()) + 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. @@ -179,21 +178,21 @@ class Device(serial.SerialDevice, driver_base.GlucometerDriver): Returns: A datetime object built according to the returned response. """ - data = self._send_command('colq') + data = self._send_command("colq") for line in data: - if not line.startswith('Clock:'): + if not line.startswith("Clock:"): continue return _parse_clock(line) - raise exceptions.InvalidResponse('\n'.join(data)) + raise exceptions.InvalidResponse("\n".join(data)) def _set_device_datetime(self, date): - data = self._send_command(date.strftime('tim,%m,%d,%y,%H,%M')) + data = self._send_command(date.strftime("tim,%m,%d,%y,%H,%M")) - parsed_data = ''.join(data) - if parsed_data != 'CMD OK': + parsed_data = "".join(data) + if parsed_data != "CMD OK": raise exceptions.InvalidResponse(parsed_data) return self.get_datetime() @@ -216,50 +215,47 @@ class Device(serial.SerialDevice, driver_base.GlucometerDriver): expected. """ - data = self._send_command('xmem') + 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. count = int(data[4]) if count != (len(data) - 6): - raise exceptions.InvalidResponse('\n'.join(data)) + raise exceptions.InvalidResponse("\n".join(data)) # Extract the checksum from the last line. checksum_match = _CHECKSUM_RE.match(data[-1]) if not checksum_match: - raise exceptions.InvalidResponse('\n'.join(data)) + raise exceptions.InvalidResponse("\n".join(data)) - expected_checksum = int(checksum_match.group('checksum'), 16) + 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 + 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) if not match: raise exceptions.InvalidResponse(line) - if match.group('type') != 'G': - logging.warning( - 'Non-glucose readings are not supported, ignoring.') + if match.group("type") != "G": + logging.warning("Non-glucose readings are not supported, ignoring.") continue - if match.group('reading') == 'HI ': + if match.group("reading") == "HI ": value = float("inf") else: - value = float(match.group('reading')) + value = float(match.group("reading")) - day = int(match.group('day')) - month = _MONTH_MATCHES[match.group('month')] - year = int(match.group('year')) + day = int(match.group("day")) + month = _MONTH_MATCHES[match.group("month")] + year = int(match.group("year")) - hour, minute = map(int, match.group('time').split(':')) + hour, minute = map(int, match.group("time").split(":")) timestamp = datetime.datetime(year, month, day, hour, minute) |