7 from collections import defaultdict
8 from typing import Dict, List, Optional, Set
10 # Note: this module is fairly early loaded. Be aware of dependencies.
15 from type.locations import Location
16 from type.people import Person
18 logger = logging.getLogger(__name__)
20 cfg = config.add_commandline_args(
21 f"Presence Detection ({__file__})",
22 "Args related to detection of human beings in locations.",
25 "--presence_macs_file",
26 type=argparse_utils.valid_filename,
27 default="/home/scott/cron/persisted_mac_addresses.txt",
29 help="The location of persisted_mac_addresses.txt to use.",
32 '--presence_tolerable_staleness_seconds',
33 type=argparse_utils.valid_duration,
34 default=datetime.timedelta(seconds=60 * 5),
36 help='Max acceptable age of location data before auto-refreshing',
40 class PresenceDetection(object):
41 def __init__(self) -> None:
42 # Note: list most important devices first.
43 self.devices_by_person: Dict[Person, List[str]] = {
45 "DC:E5:5B:0F:03:3D", # pixel6
46 "6C:40:08:AE:DC:2E", # laptop
49 "08:CC:27:63:26:14", # motog7
50 "B8:31:B5:9A:4F:19", # laptop
53 "0C:CB:85:0C:8B:AE", # phone
54 "D0:C6:37:E3:36:9A", # laptop
56 Person.AARON_AND_DANA: [
69 self.run_location = site_config.get_location()
70 logger.debug(f"run_location is {self.run_location}")
71 self.weird_mac_at_cabin = False
72 self.location_ts_by_mac: Dict[
73 Location, Dict[str, datetime.datetime]
75 self.names_by_mac: Dict[str, str] = {}
76 self.dark_locations: Set[Location] = set()
77 self.last_update: Optional[datetime.datetime] = None
79 def maybe_update(self) -> None:
80 if self.last_update is None:
83 now = datetime.datetime.now()
84 delta = now - self.last_update
87 > config.config['presence_tolerable_staleness_seconds'].total_seconds()
90 f"It's been {delta.total_seconds()}s since last update; refreshing now."
94 def update(self) -> None:
95 self.dark_locations = set()
96 if self.run_location is Location.HOUSE:
97 self.update_from_house()
98 elif self.run_location is Location.CABIN:
99 self.update_from_cabin()
101 raise Exception("Where the hell is this running?!")
102 self.last_update = datetime.datetime.now()
104 def update_from_house(self) -> None:
105 from exec_utils import cmd
108 persisted_macs = config.config['presence_macs_file']
110 persisted_macs = '/home/scott/cron/persisted_mac_addresses.txt'
111 self.read_persisted_macs_file(persisted_macs, Location.HOUSE)
115 timeout_seconds=10.0,
117 self.parse_raw_macs_file(raw, Location.CABIN)
118 except Exception as e:
120 msg = "Can't see the cabin right now; presence detection impared."
122 logger.warning(msg, stacklevel=2)
123 self.dark_locations.add(Location.CABIN)
125 def update_from_cabin(self) -> None:
126 from exec_utils import cmd
129 persisted_macs = config.config['presence_macs_file']
131 persisted_macs = '/home/scott/cron/persisted_mac_addresses.txt'
132 self.read_persisted_macs_file(persisted_macs, Location.CABIN)
136 timeout_seconds=10.0,
138 self.parse_raw_macs_file(raw, Location.HOUSE)
139 except Exception as e:
141 msg = "Can't see the house right now; presence detection impared."
143 warnings.warn(msg, stacklevel=2)
144 self.dark_locations.add(Location.HOUSE)
146 def read_persisted_macs_file(self, filename: str, location: Location) -> None:
147 if location is Location.UNKNOWN:
149 with open(filename, "r") as rf:
151 self.parse_raw_macs_file(lines, location)
153 def parse_raw_macs_file(self, raw: str, location: Location) -> None:
154 lines = raw.split("\n")
156 # CC:F4:11:D7:FA:EE, 2240, 10.0.0.22 (side_deck_high_home), Google, 1611681990
162 logger.debug(f'{location}> {line}')
165 if location == Location.CABIN:
166 logger.debug(f'Cabin count: {cabin_count}')
169 (mac, count, ip_name, mfg, ts) = line.split(",")
170 except Exception as e:
171 logger.error(f'SKIPPED BAD LINE> {line}')
175 (self.location_ts_by_mac[location])[mac] = datetime.datetime.fromtimestamp(
178 ip_name = ip_name.strip()
179 match = re.match(r"(\d+\.\d+\.\d+\.\d+) +\(([^\)]+)\)", ip_name)
180 if match is not None:
181 name = match.group(2)
182 self.names_by_mac[mac] = name
184 logger.debug('Weird MAC at the cabin')
185 self.weird_mac_at_cabin = True
187 def is_anyone_in_location_now(self, location: Location) -> bool:
189 if location in self.dark_locations:
190 raise Exception(f"Can't see {location} right now; answer undefined.")
191 for person in Person:
192 if person is not None:
193 loc = self.where_is_person_now(person)
196 if location == location.CABIN and self.weird_mac_at_cabin:
200 def where_is_person_now(self, name: Person) -> Location:
202 if len(self.dark_locations) > 0:
204 f"Can't see {self.dark_locations} right now; answer confidence impacted"
207 warnings.warn(msg, stacklevel=2)
208 logger.debug(f'Looking for {name}...')
210 if name is Person.UNKNOWN:
211 if self.weird_mac_at_cabin:
212 return Location.CABIN
214 return Location.UNKNOWN
218 votes: Dict[Location, int] = {}
219 tiebreaks: Dict[Location, datetime.datetime] = {}
221 for mac in self.devices_by_person[name]:
222 if mac not in self.names_by_mac:
224 mac_name = self.names_by_mac[mac]
225 logger.debug(f'Looking for {name}... check for mac {mac} ({mac_name})')
226 for location in self.location_ts_by_mac:
227 if mac in self.location_ts_by_mac[location]:
228 ts = (self.location_ts_by_mac[location])[mac]
229 logger.debug(f'Seen {mac} ({mac_name}) at {location} since {ts}')
230 tiebreaks[location] = ts
233 most_recent_location,
235 ) = dict_utils.item_with_max_value(tiebreaks)
237 v = votes.get(most_recent_location, 0)
238 votes[most_recent_location] = v + bonus
239 logger.debug(f'{name}: {location} gets {bonus} votes.')
240 credit = int(credit * 0.2) # Note: list most important devices first
244 (location, value) = dict_utils.item_with_max_value(votes)
247 return Location.UNKNOWN
250 @bootstrap.initialize
252 p = PresenceDetection()
253 for person in Person:
254 print(f'{person} => {p.where_is_person_now(person)}')
258 # for location in Location:
259 # print(f'{location} => {p.is_anyone_in_location_now(location)}')
262 if __name__ == '__main__':