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#!/usr/bin/env python3
import logging
import re
from typing import List, Optional, Set
import argparse_utils
import config
import file_utils
import logical_search
import smart_home.device as device
import smart_home.cameras as cameras
import smart_home.chromecasts as chromecasts
import smart_home.lights as lights
import smart_home.outlets as outlets
args = config.add_commandline_args(
f"Smart Home Registry ({__file__})",
"Args related to the smart home configuration registry."
)
args.add_argument(
'--smart_home_registry_file_location',
default='/home/scott/bin/network_mac_addresses.txt',
metavar='FILENAME',
help='The location of network_mac_addresses.txt',
type=argparse_utils.valid_filename,
)
logger = logging.getLogger(__file__)
class SmartHomeRegistry(object):
def __init__(
self,
registry_file: Optional[str] = None,
filters: List[str] = ['smart'],
) -> None:
self._macs_by_name = {}
self._keywords_by_name = {}
self._keywords_by_mac = {}
self._names_by_mac = {}
self._corpus = logical_search.Corpus()
# Read the disk config file...
if registry_file is None:
registry_file = config.config[
'smart_home_registry_file_location'
]
assert file_utils.does_file_exist(registry_file)
logger.debug(f'Reading {registry_file}')
with open(registry_file, "r") as f:
contents = f.readlines()
# Parse the contents...
for line in contents:
line = line.rstrip("\n")
line = re.sub(r"#.*$", r"", line)
line = line.strip()
if line == "":
continue
logger.debug(f'SH-CONFIG> {line}')
try:
(mac, name, keywords) = line.split(",")
except ValueError:
msg = f'SH-CONFIG> "{line}" is malformed?! Skipping it.'
logger.warning(msg)
continue
mac = mac.strip()
name = name.strip()
keywords = keywords.strip()
skip = False
if filters is not None:
for f in filters:
if f not in keywords:
logger.debug(f'Skipping this entry b/c of filter {f}')
skip = True
break
if not skip:
self._macs_by_name[name] = mac
self._keywords_by_name[name] = keywords
self._keywords_by_mac[mac] = keywords
self._names_by_mac[mac] = name
self.index_device(name, keywords, mac)
def index_device(self, name: str, keywords: str, mac: str) -> None:
properties = [("name", name)]
tags = set()
for kw in keywords.split():
if ":" in kw:
key, value = kw.split(":")
properties.append((key, value))
else:
tags.add(kw)
device = logical_search.Document(
docid=mac,
tags=tags,
properties=properties,
reference=None,
)
logger.debug(f'Indexing document {device}')
self._corpus.add_doc(device)
def __repr__(self) -> str:
s = "Known devices:\n"
for name, keywords in self._keywords_by_name.items():
mac = self._macs_by_name[name]
s += f" {name} ({mac}) => {keywords}\n"
return s
def get_keywords_by_name(self, name: str) -> Optional[device.Device]:
return self._keywords_by_name.get(name, None)
def get_macs_by_name(self, name: str) -> Set[str]:
retval = set()
for (mac, lname) in self._names_by_mac.items():
if name in lname:
retval.add(mac)
return retval
def get_macs_by_keyword(self, keyword: str) -> Set[str]:
retval = set()
for (mac, keywords) in self._keywords_by_mac.items():
if keyword in keywords:
retval.add(mac)
return retval
def get_device_by_name(self, name: str) -> Optional[device.Device]:
if name in self._macs_by_name:
return self.get_device_by_mac(self._macs_by_name[name])
return None
def get_all_devices(self) -> List[device.Device]:
retval = []
for (mac, kws) in self._keywords_by_mac.items():
if mac is not None:
device = self.get_device_by_mac(mac)
if device is not None:
retval.append(device)
return retval
def get_device_by_mac(self, mac: str) -> Optional[device.Device]:
if mac in self._keywords_by_mac:
name = self._names_by_mac[mac]
kws = self._keywords_by_mac[mac]
logger.debug(f'Found {name} -> {mac} ({kws})')
try:
if 'light' in kws.lower():
if 'tplink' in kws.lower():
logger.debug(' ...a TPLinkLight')
return lights.TPLinkLight(name, mac, kws)
elif 'tuya' in kws.lower():
logger.debug(' ...a TuyaLight')
return lights.TuyaLight(name, mac, kws)
elif 'goog' in kws.lower():
logger.debug(' ...a GoogleLight')
return lights.GoogleLight(name, mac, kws)
else:
raise Exception(f'Unknown light device: {name}, {mac}, {kws}')
elif 'outlet' in kws.lower():
if 'tplink' in kws.lower():
if 'children' in kws.lower():
logger.debug(' ...a TPLinkOutletWithChildren')
return outlets.TPLinkOutletWithChildren(name, mac, kws)
else:
logger.debug(' ...a TPLinkOutlet')
return outlets.TPLinkOutlet(name, mac, kws)
elif 'meross' in kws.lower():
logger.debug(' ...a MerossOutlet')
return outlets.MerossOutlet(name, mac, kws)
elif 'goog' in kws.lower():
logger.debug(' ...a GoogleOutlet')
return outlets.GoogleOutlet(name, mac, kws)
else:
raise Exception(f'Unknown outlet device: {name}, {mac}, {kws}')
elif 'camera' in kws.lower():
logger.debug(' ...a BaseCamera')
return cameras.BaseCamera(name, mac, kws)
elif 'ccast' in kws.lower():
logger.debug(' ...a Chromecast')
return chromecasts.BaseChromecast(name, mac, kws)
else:
logger.debug(' ...an unknown device (should this be here?)')
return device.Device(name, mac, kws)
except Exception as e:
logger.exception(e)
return device.Device(name, mac, kws)
msg = f'{mac} is not a known smart home device, returning None'
logger.warning(msg)
return None
def query(self, query: str) -> List[device.Device]:
"""Evaluates a lighting query expression formed of keywords to search
for, logical operators (and, or, not), and parenthesis.
Returns a list of matching lights.
"""
retval = []
logger.debug(f'Executing query {query}')
results = self._corpus.query(query)
if results is not None:
for mac in results:
if mac is not None:
device = self.get_device_by_mac(mac)
if device is not None:
retval.append(device)
return retval
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