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#!/usr/bin/env python3
import logging
from typing import cast
from zeroconf import IPVersion, ServiceStateChange, Zeroconf
from zeroconf.asyncio import (
AsyncServiceBrowser,
AsyncServiceInfo,
AsyncZeroconf,
)
from motionmount import *
def async_on_service_state_change(
zeroconf: Zeroconf, service_type: str, name: str, state_change: ServiceStateChange
) -> None:
print(f"Service {name} of type {service_type} state changed: {state_change}")
if state_change is not ServiceStateChange.Added:
return
asyncio.ensure_future(async_display_service_info(zeroconf, service_type, name))
async def async_display_service_info(zeroconf: Zeroconf, service_type: str, name: str) -> None:
info = AsyncServiceInfo(service_type, name)
await info.async_request(zeroconf, 3000)
print("Info from zeroconf.get_service_info: %r" % (info))
if info:
addresses = ["%s:%d" % (addr, cast(int, info.port)) for addr in info.parsed_scoped_addresses()]
print(" Name: %s" % name)
print(" Addresses: %s" % ", ".join(addresses))
print(" Weight: %d, priority: %d" % (info.weight, info.priority))
print(f" Server: {info.server}")
if info.properties:
print(" Properties are:")
for key, value in info.properties.items():
print(f" {key}: {value}")
else:
print(" No properties")
mm = MotionMount(info.parsed_addresses()[0], info.port)
try:
await mm.connect()
await mm.go_to_preset(1)
print(f"Extension: {mm.extension}")
name = await mm.get_name()
print(f"The name is: \"{name}\"")
await mm.go_to_position(50, -50)
except Exception as e:
print(f"Something bad happened: {e}")
finally:
await mm.disconnect()
else:
print(" No info")
print('\n')
class AsyncRunner:
def __init__(self) -> None:
self.aiobrowser: Optional[AsyncServiceBrowser] = None
self.aiozc: Optional[AsyncZeroconf] = None
async def async_run(self) -> None:
self.aiozc = AsyncZeroconf(ip_version=IPVersion.V4Only)
services = ["_tvm._tcp.local."]
print("\nBrowsing %s service(s), press Ctrl-C to exit...\n" % services)
self.aiobrowser = AsyncServiceBrowser(
self.aiozc.zeroconf, services, handlers=[async_on_service_state_change]
)
while True:
await asyncio.sleep(1)
async def async_close(self) -> None:
assert self.aiozc is not None
assert self.aiobrowser is not None
await self.aiobrowser.async_cancel()
await self.aiozc.async_close()
if __name__ == '__main__':
logging.basicConfig(level=logging.DEBUG)
loop = asyncio.get_event_loop()
runner = AsyncRunner()
try:
loop.run_until_complete(runner.async_run())
except KeyboardInterrupt:
loop.run_until_complete(runner.async_close())
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