4 from collections import defaultdict
8 from typing import Dict, List
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]] = {
65 Person.AARON_AND_DANA: [
78 self.weird_mac_at_cabin = False
79 self.location_ts_by_mac: Dict[
80 Location, Dict[str, datetime.datetime]
82 self.names_by_mac: Dict[str, str] = {}
85 def update(self) -> None:
86 persisted_macs = config.config['presence_macs_file']
87 self.read_persisted_macs_file(persisted_macs, Location.HOUSE)
91 self.parse_raw_macs_file(raw, Location.CABIN)
93 def read_persisted_macs_file(
94 self, filename: str, location: Location
96 if location is Location.UNKNOWN:
98 with open(filename, "r") as rf:
100 self.parse_raw_macs_file(lines, location)
102 def parse_raw_macs_file(self, raw: str, location: Location) -> None:
103 lines = raw.split("\n")
105 # CC:F4:11:D7:FA:EE, 2240, 10.0.0.22 (side_deck_high_home), Google, 1611681990
111 logger.debug(f'{location}> {line}')
114 if location == Location.CABIN:
117 (mac, count, ip_name, mfg, ts) = line.split(",")
118 except Exception as e:
119 logger.error(f'SKIPPED BAD LINE> {line}')
123 (self.location_ts_by_mac[location])[
125 ] = datetime.datetime.fromtimestamp(int(ts.strip()))
126 ip_name = ip_name.strip()
127 match = re.match(r"(\d+\.\d+\.\d+\.\d+) +\(([^\)]+)\)", ip_name)
128 if match is not None:
129 name = match.group(2)
130 self.names_by_mac[mac] = name
132 self.weird_mac_at_cabin = True
134 def is_anyone_in_location_now(self, location: Location) -> bool:
135 for person in Person:
136 if person is not None:
137 loc = self.where_is_person_now(person)
140 if location == location.CABIN and self.weird_mac_at_cabin:
144 def where_is_person_now(self, name: Person) -> Location:
145 if name is Person.UNKNOWN:
146 if self.weird_mac_at_cabin:
147 return Location.CABIN
149 return Location.UNKNOWN
150 votes: Dict[Location, int] = {}
151 tiebreaks: Dict[Location, datetime.datetime] = {}
153 for mac in self.devices_by_person[name]:
154 if mac not in self.names_by_mac:
156 for location in self.location_ts_by_mac:
157 if mac in self.location_ts_by_mac[location]:
158 ts = (self.location_ts_by_mac[location])[mac]
159 tiebreaks[location] = ts
160 location = dict_utils.key_with_min_value(tiebreaks)
161 v = votes.get(location, 0)
162 votes[location] = v + credit
165 ) # Note: list most important devices first
169 item = dict_utils.item_with_max_value(votes)
171 return Location.UNKNOWN