4 from collections import defaultdict
7 from typing import Dict, List, Set
10 # Note: this module is fairly early loaded. Be aware of dependencies.
14 from type.locations import Location
15 from type.people import Person
19 logger = logging.getLogger(__name__)
21 cfg = config.add_commandline_args(
22 f"Presence Detection ({__file__})",
23 "Args related to detection of human beings in locations.",
26 "--presence_macs_file",
27 type=argparse_utils.valid_filename,
28 default = "/home/scott/cron/persisted_mac_addresses.txt",
30 help="The location of persisted_mac_addresses.txt to use."
33 '--presence_tolerable_staleness_seconds',
34 type=argparse_utils.valid_duration,
35 default=datetime.timedelta(seconds=60 * 5),
37 help='Max acceptable age of location data before auto-refreshing'
41 class PresenceDetection(object):
42 def __init__(self) -> None:
43 # Note: list most important devices first.
44 self.devices_by_person: Dict[Person, List[str]] = {
46 "DC:E5:5B:0F:03:3D", # pixel6
47 "6C:40:08:AE:DC:2E", # laptop
50 "08:CC:27:63:26:14", # motog7
51 "B8:31:B5:9A:4F:19", # laptop
54 "0C:CB:85:0C:8B:AE", # phone
55 "D0:C6:37:E3:36:9A", # laptop
57 Person.AARON_AND_DANA: [
70 self.run_location = site_config.get_location()
71 logger.debug(f"run_location is {self.run_location}")
72 self.weird_mac_at_cabin = False
73 self.location_ts_by_mac: Dict[
74 Location, Dict[str, datetime.datetime]
76 self.names_by_mac: Dict[str, str] = {}
77 self.dark_locations: Set[Location] = set()
78 self.last_update = None
80 def maybe_update(self) -> None:
81 if self.last_update is None:
84 now = datetime.datetime.now()
85 delta = now - self.last_update
86 if delta.total_seconds() > config.config['presence_tolerable_staleness_seconds'].total_seconds():
88 f"It's been {delta.total_seconds()}s since last update; refreshing now."
92 def update(self) -> None:
93 self.dark_locations = set()
94 if self.run_location is Location.HOUSE:
95 self.update_from_house()
96 elif self.run_location is Location.CABIN:
97 self.update_from_cabin()
99 raise Exception("Where the hell is this running?!")
100 self.last_update = datetime.datetime.now()
102 def update_from_house(self) -> None:
103 from exec_utils import cmd
105 persisted_macs = config.config['presence_macs_file']
107 persisted_macs = '/home/scott/cron/persisted_mac_addresses.txt'
108 self.read_persisted_macs_file(persisted_macs, Location.HOUSE)
112 timeout_seconds=10.0,
114 self.parse_raw_macs_file(raw, Location.CABIN)
115 except Exception as e:
117 msg = "Can't see the cabin right now; presence detection impared."
120 self.dark_locations.add(Location.CABIN)
122 def update_from_cabin(self) -> None:
123 from exec_utils import cmd
125 persisted_macs = config.config['presence_macs_file']
127 persisted_macs = '/home/scott/cron/persisted_mac_addresses.txt'
128 self.read_persisted_macs_file(persisted_macs, Location.CABIN)
132 timeout_seconds=10.0,
134 self.parse_raw_macs_file(raw, Location.HOUSE)
135 except Exception as e:
137 msg = "Can't see the house right now; presence detection impared."
140 self.dark_locations.add(Location.HOUSE)
142 def read_persisted_macs_file(
143 self, filename: str, location: Location
145 if location is Location.UNKNOWN:
147 with open(filename, "r") as rf:
149 self.parse_raw_macs_file(lines, location)
151 def parse_raw_macs_file(self, raw: str, location: Location) -> None:
152 lines = raw.split("\n")
154 # CC:F4:11:D7:FA:EE, 2240, 10.0.0.22 (side_deck_high_home), Google, 1611681990
160 logger.debug(f'{location}> {line}')
163 if location == Location.CABIN:
164 logger.debug('Cabin count: {cabin_count}')
167 (mac, count, ip_name, mfg, ts) = line.split(",")
168 except Exception as e:
169 logger.error(f'SKIPPED BAD LINE> {line}')
173 (self.location_ts_by_mac[location])[
175 ] = datetime.datetime.fromtimestamp(int(ts.strip()))
176 ip_name = ip_name.strip()
177 match = re.match(r"(\d+\.\d+\.\d+\.\d+) +\(([^\)]+)\)", ip_name)
178 if match is not None:
179 name = match.group(2)
180 self.names_by_mac[mac] = name
182 logger.debug('Weird MAC at the cabin')
183 self.weird_mac_at_cabin = True
185 def is_anyone_in_location_now(self, location: Location) -> bool:
187 if location in self.dark_locations:
188 raise Exception(f"Can't see {location} right now; answer undefined.")
189 for person in Person:
190 if person is not None:
191 loc = self.where_is_person_now(person)
194 if location == location.CABIN and self.weird_mac_at_cabin:
198 def where_is_person_now(self, name: Person) -> Location:
200 if len(self.dark_locations) > 0:
201 msg = f"Can't see {self.dark_locations} right now; answer confidence impacted"
204 logger.debug(f'Looking for {name}...')
206 if name is Person.UNKNOWN:
207 if self.weird_mac_at_cabin:
208 return Location.CABIN
210 return Location.UNKNOWN
213 votes: Dict[Location, int] = {}
214 tiebreaks: Dict[Location, datetime.datetime] = {}
216 for mac in self.devices_by_person[name]:
217 if mac not in self.names_by_mac:
219 mac_name = self.names_by_mac[mac]
220 logger.debug(f'Looking for {name}... check for mac {mac} ({mac_name})')
221 for location in self.location_ts_by_mac:
222 if mac in self.location_ts_by_mac[location]:
223 ts = (self.location_ts_by_mac[location])[mac]
224 logger.debug(f'Seen {mac} ({mac_name}) at {location} since {ts}')
225 tiebreaks[location] = ts
227 (most_recent_location, first_seen_ts) = dict_utils.item_with_max_value(tiebreaks)
229 v = votes.get(most_recent_location, 0)
230 votes[most_recent_location] = v + bonus
231 logger.debug(f'{name}: {location} gets {bonus} votes.')
234 ) # Note: list most important devices first
238 (location, value) = dict_utils.item_with_max_value(votes)
241 return Location.UNKNOWN
244 @bootstrap.initialize
246 p = PresenceDetection()
247 for person in Person:
248 print(f'{person} => {p.where_is_person_now(person)}')
250 # for location in Location:
251 # print(f'{location} => {p.is_anyone_in_location_now(location)}')
254 if __name__ == '__main__':