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#!/usr/bin/env python3
from dataclasses import dataclass
import logging
import platform
from typing import Callable
# Note: this module is fairly early loaded. Be aware of dependencies.
import config
from type.locations import Location
logger = logging.getLogger(__name__)
args = config.add_commandline_args(
f'Global Site Config ({__file__})',
'Args related to global site-specific configuration'
)
args.add_argument(
'--site_config_override_location',
default='NONE',
const='NONE',
nargs='?',
choices=['HOUSE', 'CABIN', 'NONE'],
help='Where are we, HOUSE, CABIN? Overrides standard detection code.',
)
@dataclass
class SiteConfig(object):
location_name: str
location: Location
network: str
network_netmask: str
network_router_ip: str
presence_location: Location
is_anyone_present: Callable
arper_minimum_device_count: int
def get_location_name():
"""
Where are we?
>>> location = get_location_name()
>>> location == 'HOUSE' or location == 'CABIN'
True
"""
return get_config().location_name
def get_location():
"""
Returns location as an enum instead of a string.
>>> from type.locations import Location
>>> location = get_location()
>>> location == Location.HOUSE or location == Location.CABIN
True
"""
return get_config().location
def is_anyone_present_wrapper(location: Location):
import base_presence
p = base_presence.PresenceDetection()
return p.is_anyone_in_location_now(location)
def get_config():
"""
Get a configuration dataclass with information that is
site-specific including the current running location.
>>> cfg = get_config()
>>> cfg.location_name == 'HOUSE' or cfg.location_name == 'CABIN'
True
"""
hostname = platform.node()
try:
location_override = config.config['site_config_override_location']
except KeyError:
location_override = 'NONE'
if location_override == 'NONE':
if '.house' in hostname:
location = 'HOUSE'
elif '.cabin' in hostname:
location = 'CABIN'
if location == 'HOUSE':
return SiteConfig(
location_name = 'HOUSE',
location = Location.HOUSE,
network = '10.0.0.0/24',
network_netmask = '255.255.255.0',
network_router_ip = '10.0.0.1',
presence_location = Location.HOUSE,
is_anyone_present = lambda x=Location.HOUSE: is_anyone_present_wrapper(x),
arper_minimum_device_count = 50,
)
elif location == 'CABIN':
return SiteConfig(
location_name = 'CABIN',
location = Location.CABIN,
network = '192.168.0.0/24',
network_netmask = '255.255.255.0',
network_router_ip = '192.168.0.1',
presence_location = Location.CABIN,
is_anyone_present = lambda x=Location.CABIN: is_anyone_present_wrapper(x),
arper_minimum_device_count = 15,
)
else:
raise Exception(f'Unknown site location: {location}')
if __name__ == '__main__':
import doctest
doctest.testmod()
|
