4 from collections import defaultdict
7 from typing import Dict, List, Set
9 # Note: this module is fairly early loaded. Be aware of dependencies.
13 from type.locations import Location
14 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 "3C:28:6D:10:6D:41", # pixel3
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 = 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
85 if delta.total_seconds() > config.config['presence_tolerable_staleness_seconds'].total_seconds():
87 f"It's been {delta.total_seconds()}s since last update; refreshing now."
91 def update(self) -> None:
92 self.dark_locations = set()
93 if self.run_location is Location.HOUSE:
94 self.update_from_house()
95 elif self.run_location is Location.CABIN:
96 self.update_from_cabin()
98 raise Exception("Where the hell is this running?!")
99 self.last_update = datetime.datetime.now()
101 def update_from_house(self) -> None:
102 from exec_utils import cmd
104 persisted_macs = config.config['presence_macs_file']
106 persisted_macs = '/home/scott/cron/persisted_mac_addresses.txt'
107 self.read_persisted_macs_file(persisted_macs, Location.HOUSE)
111 timeout_seconds=10.0,
113 self.parse_raw_macs_file(raw, Location.CABIN)
114 except Exception as e:
116 logger.warning("Can't see the cabin right now; presence detection impared.")
117 self.dark_locations.add(Location.CABIN)
119 def update_from_cabin(self) -> None:
120 from exec_utils import cmd
122 persisted_macs = config.config['presence_macs_file']
124 persisted_macs = '/home/scott/cron/persisted_mac_addresses.txt'
125 self.read_persisted_macs_file(persisted_macs, Location.CABIN)
129 timeout_seconds=10.0,
131 self.parse_raw_macs_file(raw, Location.HOUSE)
132 except Exception as e:
134 logger.warning("Can't see the house right now; presence detection impared.")
135 self.dark_locations.add(Location.HOUSE)
137 def read_persisted_macs_file(
138 self, filename: str, location: Location
140 if location is Location.UNKNOWN:
142 with open(filename, "r") as rf:
144 self.parse_raw_macs_file(lines, location)
146 def parse_raw_macs_file(self, raw: str, location: Location) -> None:
147 lines = raw.split("\n")
149 # CC:F4:11:D7:FA:EE, 2240, 10.0.0.22 (side_deck_high_home), Google, 1611681990
155 logger.debug(f'{location}> {line}')
158 if location == Location.CABIN:
159 logger.debug('Cabin count: {cabin_count}')
162 (mac, count, ip_name, mfg, ts) = line.split(",")
163 except Exception as e:
164 logger.error(f'SKIPPED BAD LINE> {line}')
168 (self.location_ts_by_mac[location])[
170 ] = datetime.datetime.fromtimestamp(int(ts.strip()))
171 ip_name = ip_name.strip()
172 match = re.match(r"(\d+\.\d+\.\d+\.\d+) +\(([^\)]+)\)", ip_name)
173 if match is not None:
174 name = match.group(2)
175 self.names_by_mac[mac] = name
177 logger.debug('Weird MAC at the cabin')
178 self.weird_mac_at_cabin = True
180 def is_anyone_in_location_now(self, location: Location) -> bool:
182 if location in self.dark_locations:
183 raise Exception(f"Can't see {location} right now; answer undefined.")
184 for person in Person:
185 if person is not None:
186 loc = self.where_is_person_now(person)
189 if location == location.CABIN and self.weird_mac_at_cabin:
193 def where_is_person_now(self, name: Person) -> Location:
195 if len(self.dark_locations) > 0:
197 f"Can't see {self.dark_locations} right now; answer confidence impacted"
199 logger.debug(f'Looking for {name}...')
201 if name is Person.UNKNOWN:
202 if self.weird_mac_at_cabin:
203 return Location.CABIN
205 return Location.UNKNOWN
208 votes: Dict[Location, int] = {}
209 tiebreaks: Dict[Location, datetime.datetime] = {}
211 for mac in self.devices_by_person[name]:
212 if mac not in self.names_by_mac:
214 mac_name = self.names_by_mac[mac]
215 logger.debug(f'Looking for {name}... check for mac {mac} ({mac_name})')
216 for location in self.location_ts_by_mac:
217 if mac in self.location_ts_by_mac[location]:
218 ts = (self.location_ts_by_mac[location])[mac]
219 logger.debug(f'Seen {mac} ({mac_name}) at {location} since {ts}')
220 tiebreaks[location] = ts
222 (most_recent_location, first_seen_ts) = dict_utils.item_with_max_value(tiebreaks)
224 v = votes.get(most_recent_location, 0)
225 votes[most_recent_location] = v + bonus
226 logger.debug(f'{name}: {location} gets {bonus} votes.')
229 ) # Note: list most important devices first
233 (location, value) = dict_utils.item_with_max_value(votes)
236 return Location.UNKNOWN
239 @bootstrap.initialize
241 p = PresenceDetection()
242 for person in Person:
243 print(f'{person} => {p.where_is_person_now(person)}')
245 for location in Location:
246 print(f'{location} => {p.is_anyone_in_location_now(location)}')
249 if __name__ == '__main__':