#!/usr/bin/env python3
+# © Copyright 2021-2022, Scott Gasch
+
+"""This is a module dealing with trying to guess a person's location
+based on the location of certain devices (e.g. phones, laptops)
+belonging to that person. It works with networks I run that log
+device MAC addresses active.
+
+"""
+
import datetime
-from collections import defaultdict
import logging
import re
-from typing import Dict, List, Set
import warnings
+from collections import defaultdict
+from typing import Dict, List, Optional, Set
# Note: this module is fairly early loaded. Be aware of dependencies.
import argparse_utils
import bootstrap
import config
+import site_config
from type.locations import Location
from type.people import Person
-import site_config
-
logger = logging.getLogger(__name__)
class PresenceDetection(object):
+ """See above. This is a base class for determining a person's
+ location on networks I administer."""
+
def __init__(self) -> None:
# Note: list most important devices first.
self.devices_by_person: Dict[Person, List[str]] = {
],
}
self.run_location = site_config.get_location()
- logger.debug(f"run_location is {self.run_location}")
+ logger.debug("base_presence run_location is %s", self.run_location)
self.weird_mac_at_cabin = False
- self.location_ts_by_mac: Dict[
- Location, Dict[str, datetime.datetime]
- ] = defaultdict(dict)
+ self.location_ts_by_mac: Dict[Location, Dict[str, datetime.datetime]] = defaultdict(dict)
self.names_by_mac: Dict[str, str] = {}
self.dark_locations: Set[Location] = set()
- self.last_update = None
+ self.last_update: Optional[datetime.datetime] = None
def maybe_update(self) -> None:
if self.last_update is None:
delta = now - self.last_update
if (
delta.total_seconds()
- > config.config[
- 'presence_tolerable_staleness_seconds'
- ].total_seconds()
+ > config.config['presence_tolerable_staleness_seconds'].total_seconds()
):
logger.debug(
- f"It's been {delta.total_seconds()}s since last update; refreshing now."
+ "It's been %ss since last update; refreshing now.", delta.total_seconds()
)
self.update()
try:
raw = cmd(
- timeout_seconds=10.0,
+ timeout_seconds=20.0,
)
self.parse_raw_macs_file(raw, Location.CABIN)
except Exception as e:
warnings.warn(msg, stacklevel=2)
self.dark_locations.add(Location.HOUSE)
- def read_persisted_macs_file(
- self, filename: str, location: Location
- ) -> None:
+ def read_persisted_macs_file(self, filename: str, location: Location) -> None:
if location is Location.UNKNOWN:
return
with open(filename, "r") as rf:
line = line.strip()
if len(line) == 0:
continue
- logger.debug(f'{location}> {line}')
+ logger.debug('%s> %s', location, line)
if "cabin_" in line:
continue
if location == Location.CABIN:
- logger.debug(f'Cabin count: {cabin_count}')
+ logger.debug('Cabin count: %d', cabin_count)
cabin_count += 1
try:
- (mac, count, ip_name, mfg, ts) = line.split(",")
+ (mac, _, ip_name, _, ts) = line.split(",") # type: ignore
except Exception as e:
- logger.error(f'SKIPPED BAD LINE> {line}')
logger.exception(e)
+ logger.error('SKIPPED BAD LINE> %s', line)
continue
mac = mac.strip()
- (self.location_ts_by_mac[location])[
- mac
- ] = datetime.datetime.fromtimestamp(int(ts.strip()))
+ (self.location_ts_by_mac[location])[mac] = datetime.datetime.fromtimestamp(
+ int(ts.strip())
+ )
ip_name = ip_name.strip()
match = re.match(r"(\d+\.\d+\.\d+\.\d+) +\(([^\)]+)\)", ip_name)
if match is not None:
def is_anyone_in_location_now(self, location: Location) -> bool:
self.maybe_update()
if location in self.dark_locations:
- raise Exception(
- f"Can't see {location} right now; answer undefined."
- )
+ raise Exception(f"Can't see {location} right now; answer undefined.")
for person in Person:
if person is not None:
loc = self.where_is_person_now(person)
msg = f"Can't see {self.dark_locations} right now; answer confidence impacted"
logger.warning(msg)
warnings.warn(msg, stacklevel=2)
- logger.debug(f'Looking for {name}...')
+ logger.debug('Looking for %s...', name)
if name is Person.UNKNOWN:
if self.weird_mac_at_cabin:
votes: Dict[Location, int] = {}
tiebreaks: Dict[Location, datetime.datetime] = {}
credit = 10000
+ location = None
for mac in self.devices_by_person[name]:
if mac not in self.names_by_mac:
continue
mac_name = self.names_by_mac[mac]
- logger.debug(
- f'Looking for {name}... check for mac {mac} ({mac_name})'
- )
+ logger.debug('Looking for %s... check for mac %s (%s)', name, mac, mac_name)
for location in self.location_ts_by_mac:
if mac in self.location_ts_by_mac[location]:
ts = (self.location_ts_by_mac[location])[mac]
- logger.debug(
- f'Seen {mac} ({mac_name}) at {location} since {ts}'
- )
+ logger.debug('Seen %s (%s) at %s since %s', mac, mac_name, location, ts)
tiebreaks[location] = ts
(
most_recent_location,
- first_seen_ts,
+ _,
) = dict_utils.item_with_max_value(tiebreaks)
bonus = credit
v = votes.get(most_recent_location, 0)
votes[most_recent_location] = v + bonus
- logger.debug(f'{name}: {location} gets {bonus} votes.')
- credit = int(
- credit * 0.2
- ) # Note: list most important devices first
+ logger.debug('%s: %s gets %d votes.', name, most_recent_location, bonus)
+ credit = int(credit * 0.2) # Note: list most important devices first
if credit <= 0:
credit = 1
if len(votes) > 0:
(location, value) = dict_utils.item_with_max_value(votes)
if value > 2001:
+ assert location
return location
return Location.UNKNOWN
for person in Person:
print(f'{person} => {p.where_is_person_now(person)}')
print()
-
-
-# for location in Location:
-# print(f'{location} => {p.is_anyone_in_location_now(location)}')
+ for location in Location:
+ print(f'{location} => {p.is_anyone_in_location_now(location)}')
if __name__ == '__main__':