def parse_aprs(message, reference_date=None, reference_time=None):
if reference_date is None:
now = datetime.utcnow()
reference_date = now.date()
reference_time = now.time()
match_position = re.search(PATTERN_APRS_POSITION, message)
if match_position:
return {'name': match_position.group('callsign'),
'receiver_name': match_position.group('receiver'),
'dstcall': match_position.group('dstcall'),
'timestamp': createTimestamp(match_position.group('time'), reference_date, reference_time),
'latitude': parseAngle('0' + match_position.group('latitude') + (match_position.group('latitude_enhancement') or '0')) *
(-1 if match_position.group('latitude_sign') == 'S' else 1),
'symboltable': match_position.group('symbol_table'),
'longitude': parseAngle(match_position.group('longitude') + (match_position.group('longitude_enhancement') or '0')) *
(-1 if match_position.group('longitude_sign') == 'W' else 1),
'symbolcode': match_position.group('symbol'),
'track': int(match_position.group('course')) if match_position.group('course_extension') else None,
'ground_speed': int(match_position.group('ground_speed')) * kts2kmh if match_position.group('ground_speed') else None,
'altitude': int(match_position.group('altitude')) * feet2m,
'comment': match_position.group('comment')}
match_status = re.search(PATTERN_APRS_STATUS, message)
if match_status:
return {'name': match_status.group('callsign'),
'receiver_name': match_status.group('receiver'),
'dstcall': match_status.group('dstcall'),
'timestamp': createTimestamp(match_status.group('time'), reference_date, reference_time),
'comment': match_status.group('comment')}
raise AprsParseError(message)
def test_createTimestamp(self):
test_data = [
('000001', date(2015, 1, 10), time(0, 0, 1),
datetime(2015, 1, 10, 0, 0,
1)), # packet from current day (on the tick)
('235959', date(2015, 1, 10), time(0, 0, 1),
datetime(2015, 1, 9, 23, 59,
59)), # packet from previous day (2 seconds old)
('110000', date(2015, 1, 10), time(0, 0, 1),
None), # packet 11 hours from future or 13 hours old
('123500', date(2015, 1, 10), time(23, 50, 0),
datetime(2015, 1, 10, 12, 35,
0)), # packet from current day (11 hours old)
('000001', date(2015, 1, 10), time(23, 50, 0),
datetime(2015, 1, 11, 0, 0,
1)), # packet from next day (11 minutes from future)
('000001', date(2015, 1, 10), None,
datetime(2015, 1, 10, 0, 0, 1)), # first packet of a specific day
('235959', date(2015, 1, 10), None,
datetime(2015, 1, 10, 23, 59,
59)), # last packet of a specific day
]
for test in test_data:
if test[3]:
timestamp = createTimestamp(test[0],
reference_date=test[1],
reference_time=test[2])
self.assertEqual(timestamp, test[3])
else:
with self.assertRaises(AmbigousTimeError):
createTimestamp(test[0],
reference_date=test[1],
reference_time=test[2])
def parse(telnet_data):
reference_timestamp = datetime.utcnow()
try:
return {'pps_offset': float(telnet_data[0:5]),
'frequency': float(telnet_data[9:16]),
'aircraft_type': int(telnet_data[20:24]),
'address_type': int(telnet_data[25]),
'address': telnet_data[27:33],
'timestamp': createTimestamp(telnet_data[34:40] + 'h', reference_timestamp),
'latitude': float(telnet_data[43:53]),
'longitude': float(telnet_data[54:64]),
'altitude': int(telnet_data[68:73]),
'climb_rate': float(telnet_data[74:80]),
'ground_speed': float(telnet_data[83:89]),
'track': float(telnet_data[92:98]),
'turn_rate': float(telnet_data[101:107]),
'magic_number': int(telnet_data[114:116]),
'gps_status': telnet_data[117:122],
'frequency_offset': float(telnet_data[123:129]),
'signal_quality': float(telnet_data[132:137]),
'error_count': float(telnet_data[139:142]),
'distance': float(telnet_data[143:150]),
'bearing': float(telnet_data[152:158]),
'phi': float(telnet_data[161:167])}
except:
raise ParseError
def parse(telnet_data):
reference_timestamp = datetime.utcnow()
match = telnet_50001_pattern.match(telnet_data)
if match:
return {'pps_offset': float(match.group('pps_offset')),
'frequency': float(match.group('frequency')),
'aircraft_type': int(match.group('aircraft_type')),
'address_type': int(match.group('address_type')),
'address': match.group('address'),
'timestamp': createTimestamp(match.group('timestamp') + 'h', reference_timestamp),
'latitude': float(match.group('latitude')),
'longitude': float(match.group('longitude')),
'altitude': int(match.group('altitude')),
'climb_rate': float(match.group('climb_rate')),
'ground_speed': float(match.group('ground_speed')),
'track': float(match.group('track')),
'turn_rate': float(match.group('turn_rate')),
'magic_number': int(match.group('magic_number')),
'gps_status': match.group('gps_status'),
'channel': int(match.group('channel')),
'flarm_timeslot': match.group('flarm_timeslot') == 'f',
'ogn_timeslot': match.group('ogn_timeslot') == 'o',
'frequency_offset': float(match.group('frequency_offset')),
'decode_quality': float(match.group('decode_quality')),
'signal_quality': float(match.group('signal_quality')),
'demodulator_type': int(match.group('demodulator_type')),
'error_count': float(match.group('error_count')),
'distance': float(match.group('distance')),
'bearing': float(match.group('bearing')),
'phi': float(match.group('phi')),
'multichannel': match.group('multichannel') == '+'}
else:
return None
def test_createTimestamp(self):
test_data = [
('000001', datetime(2015, 1, 10, 0, 0, 1), datetime(2015, 1, 10, 0, 0, 1)), # packet from current day (on the tick)
('235959', datetime(2015, 1, 10, 0, 0, 1), datetime(2015, 1, 9, 23, 59, 59)), # packet from previous day (2 seconds old)
('110000', datetime(2015, 1, 10, 0, 0, 1), None), # packet 11 hours from future or 13 hours old
('123500', datetime(2015, 1, 10, 23, 50, 0), datetime(2015, 1, 10, 12, 35, 0)), # packet from current day (11 hours old)
('000001', datetime(2015, 1, 10, 23, 50, 0), datetime(2015, 1, 11, 0, 0, 1)) # packet from next day (11 minutes from future)
]
for test in test_data:
if test[2]:
timestamp = createTimestamp(test[0], reference=test[1])
self.assertEqual(timestamp, test[2])
else:
with self.assertRaises(AmbigousTimeError):
createTimestamp(test[0], reference=test[1])
def parse(telnet_data):
reference_timestamp = datetime.utcnow()
try:
return {
'pps_offset':
float(telnet_data[0:5]),
'frequency':
float(telnet_data[9:16]),
'aircraft_type':
int(telnet_data[20:24]),
'address_type':
int(telnet_data[25]),
'address':
telnet_data[27:33],
'timestamp':
createTimestamp(telnet_data[34:40] + 'h', reference_timestamp),
'latitude':
float(telnet_data[43:53]),
'longitude':
float(telnet_data[54:64]),
'altitude':
int(telnet_data[68:73]),
'climb_rate':
float(telnet_data[74:80]),
'ground_speed':
float(telnet_data[83:89]),
'track':
float(telnet_data[92:98]),
'turn_rate':
float(telnet_data[101:107]),
'magic_number':
int(telnet_data[114:116]),
'gps_status':
telnet_data[117:122],
'frequency_offset':
float(telnet_data[123:129]),
'signal_quality':
float(telnet_data[132:137]),
'error_count':
float(telnet_data[139:142]),
'distance':
float(telnet_data[143:150]),
'bearing':
float(telnet_data[152:158]),
'phi':
float(telnet_data[161:167])
}
except:
raise ParseError
def parse_aprs(message, reference_date=None):
if reference_date is None:
reference_date = datetime.utcnow()
match = re.search(PATTERN_APRS, message)
if match:
return {
'name':
match.group('callsign'),
'receiver_name':
match.group('receiver'),
'timestamp':
createTimestamp(match.group('time'), reference_date),
'latitude':
dmsToDeg(float(match.group('latitude')) / 100) *
(-1 if match.group('latitude_sign') == 'S' else 1) +
(int(match.group('latitude_enhancement')) / 1000 /
60 if match.group('latitude_enhancement') else 0),
'symboltable':
match.group('symbol_table'),
'longitude':
dmsToDeg(float(match.group('longitude')) / 100) *
(-1 if match.group('longitude_sign') == 'W' else 1) +
(int(match.group('longitude_enhancement')) / 1000 /
60 if match.group('longitude_enhancement') else 0),
'symbolcode':
match.group('symbol'),
'track':
int(match.group('course'))
if match.group('course_extension') else 0,
'ground_speed':
int(match.group('ground_speed')) *
kts2kmh if match.group('ground_speed') else 0,
'altitude':
int(match.group('altitude')) * feet2m,
'comment':
match.group('comment')
}
raise AprsParseError(message)
def parse_aprs(message, reference_date=None):
if reference_date is None:
reference_date = datetime.utcnow()
match = re.search(PATTERN_APRS, message)
if match:
return {'name': match.group('callsign'),
'receiver_name': match.group('receiver'),
'timestamp': createTimestamp(match.group('time'), reference_date),
'latitude': dmsToDeg(float(match.group('latitude')) / 100) *
(-1 if match.group('latitude_sign') == 'S' else 1) +
(int(match.group('latitude_enhancement')) / 1000 / 60 if match.group('latitude_enhancement') else 0),
'symboltable': match.group('symbol_table'),
'longitude': dmsToDeg(float(match.group('longitude')) / 100) *
(-1 if match.group('longitude_sign') == 'W' else 1) +
(int(match.group('longitude_enhancement')) / 1000 / 60 if match.group('longitude_enhancement') else 0),
'symbolcode': match.group('symbol'),
'track': int(match.group('course')) if match.group('course_extension') else 0,
'ground_speed': int(match.group('ground_speed')) * kts2kmh if match.group('ground_speed') else 0,
'altitude': int(match.group('altitude')) * feet2m,
'comment': match.group('comment')}
raise AprsParseError(message)
def parse_aprs(message, reference_timestamp=None):
if reference_timestamp is None:
reference_timestamp = datetime.utcnow()
result = {
'raw_message': message,
'reference_timestamp': reference_timestamp
}
if message and message[0] == '#':
match_server = re.search(PATTERN_SERVER, message)
if match_server:
result.update({
'version':
match_server.group('version'),
'timestamp':
datetime.strptime(match_server.group('timestamp'),
"%d %b %Y %H:%M:%S %Z"),
'server':
match_server.group('server'),
'ip_address':
match_server.group('ip_address'),
'port':
match_server.group('port'),
'aprs_type':
'server'
})
else:
result.update({'comment': message, 'aprs_type': 'comment'})
else:
match = re.search(PATTERN_APRS, message)
if match:
aprs_type = 'position' if match.group(
'aprs_type') == '/' else 'status' if match.group(
'aprs_type') == '>' else 'unknown'
result.update({'aprs_type': aprs_type})
aprs_body = match.group('aprs_body')
if aprs_type == 'position':
match_position = re.search(PATTERN_APRS_POSITION, aprs_body)
if match_position:
result.update({
'name':
match.group('callsign'),
'dstcall':
match.group('dstcall'),
'relay':
match.group('relay') if match.group('relay') else None,
'receiver_name':
match.group('receiver'),
'timestamp':
createTimestamp(match_position.group('time'),
reference_timestamp),
'latitude':
parseAngle('0' + match_position.group('latitude') +
(match_position.group(
'latitude_enhancement') or '0'))
* # noqa: W504
(-1 if match_position.group('latitude_sign') == 'S'
else 1),
'symboltable':
match_position.group('symbol_table'),
'longitude':
parseAngle(
match_position.group('longitude') +
(match_position.group('longitude_enhancement')
or '0')) * # noqa: W504
(-1 if match_position.group('longitude_sign') == 'W'
else 1),
'symbolcode':
match_position.group('symbol'),
'track':
int(match_position.group('course'))
if match_position.group('course_extension') else None,
'ground_speed':
int(match_position.group('ground_speed')) *
KNOTS_TO_MS / KPH_TO_MS
if match_position.group('ground_speed') else None,
'altitude':
int(match_position.group('altitude')) * FEETS_TO_METER
if match_position.group('altitude') else None,
'aircrafttype':
get_aircraft_type(match_position.group('symbol_table'),
match_position.group('symbol')),
'comment':
match_position.group('comment')
if match_position.group('comment') else ""
})
else:
raise AprsParseError(message)
elif aprs_type == 'status':
match_status = re.search(PATTERN_APRS_STATUS, aprs_body)
if match_status:
result.update({
'name':
match.group('callsign'),
'dstcall':
match.group('dstcall'),
'receiver_name':
match.group('receiver'),
'timestamp':
createTimestamp(match_status.group('time'),
reference_timestamp),
'comment':
match_status.group('comment')
if match_status.group('comment') else ""
})
else:
raise NotImplementedError(message)
else:
raise AprsParseError(message)
return result
def proceed_test_data(self, test_data={}):
for test in test_data:
timestamp = createTimestamp(test[0], reference_timestamp=test[1])
self.assertEqual(timestamp, test[2])
def proceed_test_data(self, test_data={}):
for test in test_data:
timestamp = createTimestamp(test[0], reference_timestamp=test[1])
self.assertEqual(timestamp, test[2])
def parse_aprs(message, reference_timestamp=None):
if reference_timestamp is None:
reference_timestamp = datetime.utcnow()
result = {
'raw_message': message,
'reference_timestamp': reference_timestamp
}
if message and message[0] == '#':
match_server = re.search(PATTERN_SERVER, message)
if match_server:
result.update({
'version':
match_server.group('version'),
'timestamp':
datetime.strptime(match_server.group('timestamp'),
"%d %b %Y %H:%M:%S %Z"),
'server':
match_server.group('server'),
'ip_address':
match_server.group('ip_address'),
'port':
match_server.group('port'),
'aprs_type':
'server'
})
else:
result.update({'comment': message, 'aprs_type': 'comment'})
else:
match = re.search(PATTERN_APRS, message)
if match:
aprs_type = 'position' if match.group(
'aprs_type') == '/' else 'status' if match.group(
'aprs_type') == '>' else 'unknown'
result.update({'aprs_type': aprs_type})
aprs_body = match.group('aprs_body')
if aprs_type == 'position':
match_position = re.search(PATTERN_APRS_POSITION, aprs_body)
if match_position:
result.update({
'name':
match.group('callsign'),
'dstcall':
match.group('dstcall'),
'relay':
match.group('relay') if match.group('relay') else None,
'receiver_name':
match.group('receiver'),
'timestamp':
createTimestamp(match_position.group('time'),
reference_timestamp),
'latitude':
parseAngle('0' + match_position.group('latitude') +
(match_position.group(
'latitude_enhancement') or '0'))
* # noqa: W504
(-1 if match_position.group('latitude_sign') == 'S'
else 1),
'symboltable':
match_position.group('symbol_table'),
'longitude':
parseAngle(
match_position.group('longitude') +
(match_position.group('longitude_enhancement')
or '0')) * # noqa: W504
(-1 if match_position.group('longitude_sign') == 'W'
else 1),
'symbolcode':
match_position.group('symbol'),
'track':
int(match_position.group('course'))
if match_position.group('course_extension') else None,
'ground_speed':
int(match_position.group('ground_speed')) *
KNOTS_TO_MS / KPH_TO_MS
if match_position.group('ground_speed') else None,
'altitude':
int(match_position.group('altitude')) * FEETS_TO_METER
if match_position.group('altitude') else None,
'comment':
match_position.group('comment')
if match_position.group('comment') else "",
})
return result
match_position_weather = re.search(
PATTERN_APRS_POSITION_WEATHER, aprs_body)
if match_position_weather:
result.update({
'aprs_type':
'position_weather',
'name':
match.group('callsign'),
'dstcall':
match.group('dstcall'),
'relay':
match.group('relay') if match.group('relay') else None,
'receiver_name':
match.group('receiver'),
'timestamp':
createTimestamp(match_position_weather.group('time'),
reference_timestamp),
'latitude':
parseAngle('0' +
match_position_weather.group('latitude'))
* # noqa: W504
(-1 if match_position_weather.group('latitude_sign')
== 'S' else 1),
'symboltable':
match_position_weather.group('symbol_table'),
'longitude':
parseAngle(match_position_weather.group('longitude'))
* # noqa: W504
(-1 if match_position_weather.group('longitude_sign')
== 'W' else 1),
'symbolcode':
match_position_weather.group('symbol'),
'wind_direction':
int(match_position_weather.group('wind_direction')) if
match_position_weather.group('wind_direction') != '...'
else None,
'wind_speed':
int(match_position_weather.group('wind_speed')) *
KNOTS_TO_MS / KPH_TO_MS
if match_position_weather.group('wind_speed') != '...'
else None,
'wind_speed_peak':
int(match_position_weather.group('wind_speed_peak')) *
KNOTS_TO_MS / KPH_TO_MS
if match_position_weather.group('wind_speed_peak') !=
'...' else None,
'temperature':
fahrenheit_to_celsius(
float(match_position_weather.group('temperature')))
if match_position_weather.group('temperature') != '...'
else None,
'rainfall_1h':
int(match_position_weather.group('rainfall_1h')) /
100.0 * INCH_TO_MM if
match_position_weather.group('rainfall_1h') else None,
'rainfall_24h':
int(match_position_weather.group('rainfall_24h')) /
100.0 * INCH_TO_MM if
match_position_weather.group('rainfall_24h') else None,
'humidity':
int(match_position_weather.group('humidity')) * 0.01
if match_position_weather.group('humidity') else None,
'barometric_pressure':
int(match_position_weather.group(
'barometric_pressure'))
if match_position_weather.group('barometric_pressure')
else None,
'comment':
match_position_weather.group('comment')
if match_position_weather.group('comment') else "",
})
return result
raise AprsParseError(message)
elif aprs_type == 'status':
match_status = re.search(PATTERN_APRS_STATUS, aprs_body)
if match_status:
result.update({
'name':
match.group('callsign'),
'dstcall':
match.group('dstcall'),
'receiver_name':
match.group('receiver'),
'timestamp':
createTimestamp(match_status.group('time'),
reference_timestamp),
'comment':
match_status.group('comment')
if match_status.group('comment') else ""
})
else:
raise NotImplementedError(message)
else:
raise AprsParseError(message)
return result
def parse_aprs(message, reference_timestamp=None):
if reference_timestamp is None:
reference_timestamp = datetime.utcnow()
result = {'raw_message': message,
'reference_timestamp': reference_timestamp}
if message and message[0] == '#':
match_server = re.search(PATTERN_SERVER, message)
if match_server:
result.update({
'version': match_server.group('version'),
'timestamp': datetime.strptime(match_server.group('timestamp'), "%d %b %Y %H:%M:%S %Z"),
'server': match_server.group('server'),
'ip_address': match_server.group('ip_address'),
'port': match_server.group('port'),
'aprs_type': 'server'})
else:
result.update({
'comment': message,
'aprs_type': 'comment'})
else:
match = re.search(PATTERN_APRS, message)
if match:
aprs_type = 'position' if match.group('aprs_type') == '/' else 'status'
result.update({'aprs_type': aprs_type})
aprs_body = match.group('aprs_body')
if aprs_type == 'position':
match_position = re.search(PATTERN_APRS_POSITION, aprs_body)
if match_position:
result.update({
'name': match.group('callsign'),
'dstcall': match.group('dstcall'),
'relay': match.group('relay') if match.group('relay') else None,
'receiver_name': match.group('receiver'),
'timestamp': createTimestamp(match_position.group('time'), reference_timestamp),
'latitude': parseAngle('0' + match_position.group('latitude') + (match_position.group('latitude_enhancement') or '0')) *
(-1 if match_position.group('latitude_sign') == 'S' else 1),
'symboltable': match_position.group('symbol_table'),
'longitude': parseAngle(match_position.group('longitude') + (match_position.group('longitude_enhancement') or '0')) *
(-1 if match_position.group('longitude_sign') == 'W' else 1),
'symbolcode': match_position.group('symbol'),
'track': int(match_position.group('course')) if match_position.group('course_extension') else None,
'ground_speed': int(match_position.group('ground_speed')) * KNOTS_TO_MS / KPH_TO_MS if match_position.group('ground_speed') else None,
'altitude': int(match_position.group('altitude')) * FEETS_TO_METER,
'comment': match_position.group('comment') if match_position.group('comment') else ""})
else:
raise AprsParseError(message)
elif aprs_type == 'status':
match_status = re.search(PATTERN_APRS_STATUS, aprs_body)
if match_status:
result.update({
'name': match.group('callsign'),
'dstcall': match.group('dstcall'),
'receiver_name': match.group('receiver'),
'timestamp': createTimestamp(match_status.group('time'), reference_timestamp),
'comment': match_status.group('comment') if match_status.group('comment') else ""})
else:
raise AprsParseError(message)
else:
raise AprsParseError(message)
return result
