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import logging
import socket
import time
from enum import Enum
from getmac import get_mac_address
from zeroconf import Error as ZeroconfError
from zeroconf import (
IPVersion,
ServiceBrowser,
ServiceInfo,
ServiceStateChange,
current_time_millis,
)
from boschshcpy.exceptions import (
SHCAuthenticationError,
SHCConnectionError,
)
logger = logging.getLogger("boschshcpy")
class SHCListener:
"""SHC Listener for Zeroconf browser updates."""
def __init__(self, zeroconf, callback) -> None:
"""Initialize SHC Listener."""
self.shc_services = {}
self.waiting = True
browser = ServiceBrowser(
zeroconf, "_http._tcp.local.", handlers=[self.service_update]
)
current_millis = current_time_millis()
while (
self.waiting and current_time_millis() - current_millis < 10000
): # Give zeroconf some time to respond
time.sleep(0.1)
callback(self.shc_services)
browser.cancel()
def service_update(self, zeroconf, service_type, name, state_change):
"""Service state changed."""
if state_change != ServiceStateChange.Added:
return
try:
service_info = zeroconf.get_service_info(service_type, name)
except ZeroconfError:
logger.exception("Failed to get info for device %s", name)
return
if service_info is not None:
if service_info.name.startswith("Bosch SHC"):
self.waiting = False
self.shc_services[name] = service_info
return
class SHCInformation:
class UpdateState(Enum):
NO_UPDATE_AVAILABLE = "NO_UPDATE_AVAILABLE"
DOWNLOADING = "DOWNLOADING"
UPDATE_IN_PROGRESS = "UPDATE_IN_PROGRESS"
UPDATE_AVAILABLE = "UPDATE_AVAILABLE"
def __init__(self, api, authenticate=True, zeroconf=None):
self._api = api
self._unique_id = None
self._name = None
self._pub_info = self._api.get_public_information()
if self._pub_info == None:
raise SHCConnectionError
if authenticate:
if self._api.get_information() == None:
raise SHCAuthenticationError
self.get_unique_id(zeroconf)
@property
def version(self):
return self._pub_info["softwareUpdateState"]["swInstalledVersion"]
@property
def updateState(self) -> UpdateState:
return self.UpdateState(self._pub_info["softwareUpdateState"]["swUpdateState"])
@property
def shcIpAddress(self):
"""Get the ip address from public information."""
return (
self._pub_info["shcIpAddress"] if "shcIpAddress" in self._pub_info else None
)
@property
def macAddress(self):
"""Get the mac address from public information."""
return self._pub_info["macAddress"] if "macAddress" in self._pub_info else None
@property
def name(self):
return self._name
@property
def unique_id(self):
return self._unique_id
def filter(self, service_info: ServiceInfo):
mac_address = None
name = None
try:
host_ip = socket.gethostbyname(self.shcIpAddress)
except Exception as e:
host_ip = None
for info in service_info.values():
if "Bosch SHC" in info.name:
if (
host_ip in info.parsed_addresses(IPVersion.V4Only)
or host_ip is None
):
mac_address = info.name[
info.name.find("[") + 1 : info.name.find("]")
]
server_pos = info.server.find(".local.")
if server_pos > -1:
name = info.server[:server_pos]
if mac_address is None or name is None:
return
self._unique_id = format_mac(mac_address)
self._name = name
def get_unique_id(self, zeroconf):
if zeroconf is not None:
self._listener = SHCListener(zeroconf, self.filter)
if self._unique_id is not None:
logger.debug(
"Obtain unique_id for '%s' via zeroconf: '%s'",
self._name,
self._unique_id,
)
return
if self.macAddress is not None:
self._unique_id = self.macAddress
self._name = (
self.shcIpAddress if self.shcIpAddress is not None else self.macAddress
)
logger.debug(
"Obtain unique_id for '%s' via public information: '%s'",
self._name,
self._unique_id,
)
elif self.shcIpAddress is not None:
host = self.shcIpAddress
try:
mac_address = get_mac_address(ip=host)
if not mac_address:
mac_address = get_mac_address(hostname=host)
except Exception as err: # pylint: disable=broad-except
logger.exception("Unable to get mac address: %s", err)
if mac_address is not None:
self._unique_id = format_mac(mac_address)
logger.debug(
"Obtain unique_id for '%s' via host IP: '%s'",
self._name,
self._unique_id,
)
else:
self._unique_id = host
logger.warning(
"Cannot obtain unique id, using IP address '%s' instead. Please make sure the IP stays the same!",
host,
)
self._name = host
else:
raise SHCConnectionError
def summary(self):
print(f"Information:")
print(f" shcIpAddress : {self.shcIpAddress}")
print(f" macAddress : {self.macAddress}")
print(f" SW-Version : {self.version}")
print(f" updateState : {self.updateState.name}")
print(f" uniqueId : {self.unique_id}")
print(f" name : {self.name}")
def format_mac(mac: str) -> str:
"""
Format the mac address string.
Helper function from homeassistant.helpers.device_registry.py
"""
to_test = mac
if len(to_test) == 17 and to_test.count("-") == 5:
return to_test.lower()
if len(to_test) == 17 and to_test.count(":") == 5:
to_test = to_test.replace(":", "")
elif len(to_test) == 14 and to_test.count(".") == 2:
to_test = to_test.replace(".", "")
if len(to_test) == 12:
# no - included
return "-".join(to_test.lower()[i : i + 2] for i in range(0, 12, 2))
# Not sure how formatted, return original
return mac
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