4 from collections import defaultdict
8 from typing import Dict, List
10 # Note: this module is fairly early loaded. Be aware of dependencies.
15 logger = logging.getLogger(__name__)
17 cfg = config.add_commandline_args(
18 f"Presence Detection ({__file__})",
19 "Args related to detection of human beings in locations.",
22 "--presence_macs_file",
23 type=argparse_utils.valid_filename,
24 default = "/home/scott/cron/persisted_mac_addresses.txt",
26 help="The location of persisted_mac_addresses.txt to use."
30 class Person(enum.Enum):
41 class Location(enum.Enum):
47 class PresenceDetection(object):
48 def __init__(self) -> None:
49 # Note: list most important devices first.
50 self.devices_by_person: Dict[Person, List[str]] = {
52 "3C:28:6D:10:6D:41", # pixel3
53 "6C:40:08:AE:DC:2E", # laptop
56 "08:CC:27:63:26:14", # motog7
57 "B8:31:B5:9A:4F:19", # laptop
60 "0C:CB:85:0C:8B:AE", # phone
61 "D0:C6:37:E3:36:9A", # laptop
63 Person.AARON_AND_DANA: [
76 self.weird_mac_at_cabin = False
77 self.location_ts_by_mac: Dict[
78 Location, Dict[str, datetime.datetime]
80 self.names_by_mac: Dict[str, str] = {}
83 def update(self) -> None:
84 from exec_utils import cmd
86 persisted_macs = config.config['presence_macs_file']
88 persisted_macs = '/home/scott/cron/persisted_mac_addresses.txt'
89 self.read_persisted_macs_file(persisted_macs, Location.HOUSE)
93 self.parse_raw_macs_file(raw, Location.CABIN)
95 def read_persisted_macs_file(
96 self, filename: str, location: Location
98 if location is Location.UNKNOWN:
100 with open(filename, "r") as rf:
102 self.parse_raw_macs_file(lines, location)
104 def parse_raw_macs_file(self, raw: str, location: Location) -> None:
105 lines = raw.split("\n")
107 # CC:F4:11:D7:FA:EE, 2240, 10.0.0.22 (side_deck_high_home), Google, 1611681990
113 logger.debug(f'{location}> {line}')
116 if location == Location.CABIN:
117 logger.debug('Cabin count: {cabin_count}')
120 (mac, count, ip_name, mfg, ts) = line.split(",")
121 except Exception as e:
122 logger.error(f'SKIPPED BAD LINE> {line}')
126 (self.location_ts_by_mac[location])[
128 ] = datetime.datetime.fromtimestamp(int(ts.strip()))
129 ip_name = ip_name.strip()
130 match = re.match(r"(\d+\.\d+\.\d+\.\d+) +\(([^\)]+)\)", ip_name)
131 if match is not None:
132 name = match.group(2)
133 self.names_by_mac[mac] = name
135 logger.debug('Weird MAC at the cabin')
136 self.weird_mac_at_cabin = True
138 def is_anyone_in_location_now(self, location: Location) -> bool:
139 for person in Person:
140 if person is not None:
141 loc = self.where_is_person_now(person)
144 if location == location.CABIN and self.weird_mac_at_cabin:
148 def where_is_person_now(self, name: Person) -> Location:
150 logger.debug(f'Looking for {name}...')
152 if name is Person.UNKNOWN:
153 if self.weird_mac_at_cabin:
154 return Location.CABIN
156 return Location.UNKNOWN
157 votes: Dict[Location, int] = {}
158 tiebreaks: Dict[Location, datetime.datetime] = {}
160 for mac in self.devices_by_person[name]:
161 if mac not in self.names_by_mac:
163 mac_name = self.names_by_mac[mac]
164 logger.debug(f'Looking for {name}... check for mac {mac} ({mac_name})')
165 for location in self.location_ts_by_mac:
166 if mac in self.location_ts_by_mac[location]:
167 ts = (self.location_ts_by_mac[location])[mac]
168 logger.debug(f'Seen {mac} ({mac_name}) at {location} since {ts}')
169 tiebreaks[location] = ts
171 (most_recent_location, first_seen_ts) = dict_utils.item_with_max_value(tiebreaks)
173 v = votes.get(most_recent_location, 0)
174 votes[most_recent_location] = v + bonus
175 logger.debug(f'{name}: {location} gets {bonus} votes.')
178 ) # Note: list most important devices first
182 (location, value) = dict_utils.item_with_max_value(votes)
185 return Location.UNKNOWN
188 @bootstrap.initialize
190 p = PresenceDetection()
191 for person in Person:
192 print(f'{person} => {p.where_is_person_now(person)}')
194 for location in Location:
195 print(f'{location} => {p.is_anyone_in_location_now(location)}')
198 if __name__ == '__main__':