API Noise logging (#2298)

esphome/components/api/client.py

@@ -0,0 +1,73 @@
+import asyncio
+import logging
+from datetime import datetime
+from typing import Optional
+
+from aioesphomeapi import APIClient, ReconnectLogic, APIConnectionError, LogLevel
+import zeroconf
+
+from esphome.const import CONF_KEY, CONF_PORT, CONF_PASSWORD, __version__
+from esphome.util import safe_print
+from . import CONF_ENCRYPTION
+
+_LOGGER = logging.getLogger(__name__)
+
+
+async def async_run_logs(config, address):
+    conf = config["api"]
+    port: int = conf[CONF_PORT]
+    password: str = conf[CONF_PASSWORD]
+    noise_psk: Optional[str] = None
+    if CONF_ENCRYPTION in conf:
+        noise_psk = conf[CONF_ENCRYPTION][CONF_KEY]
+    _LOGGER.info("Starting log output from %s using esphome API", address)
+    zc = zeroconf.Zeroconf()
+    cli = APIClient(
+        asyncio.get_event_loop(),
+        address,
+        port,
+        password,
+        client_info=f"ESPHome Logs {__version__}",
+        noise_psk=noise_psk,
+    )
+    first_connect = True
+
+    def on_log(msg):
+        time_ = datetime.now().time().strftime("[%H:%M:%S]")
+        text = msg.message.decode("utf8", "backslashreplace")
+        safe_print(time_ + text)
+
+    async def on_connect():
+        nonlocal first_connect
+        try:
+            await cli.subscribe_logs(
+                on_log,
+                log_level=LogLevel.LOG_LEVEL_VERY_VERBOSE,
+                dump_config=first_connect,
+            )
+            first_connect = False
+        except APIConnectionError:
+            cli.disconnect()
+
+    async def on_disconnect():
+        _LOGGER.warning("Disconnected from API")
+
+    zc = zeroconf.Zeroconf()
+    reconnect = ReconnectLogic(
+        client=cli,
+        on_connect=on_connect,
+        on_disconnect=on_disconnect,
+        zeroconf_instance=zc,
+    )
+    await reconnect.start()
+
+    try:
+        while True:
+            await asyncio.sleep(60)
+    except KeyboardInterrupt:
+        await reconnect.stop()
+        zc.close()
+
+
+def run_logs(config, address):
+    asyncio.run(async_run_logs(config, address))