Network scanning interface (#55)

* Implement network scanning

* Bump minimum package versions

pyproject.toml

@@ -17,7 +17,7 @@ dependencies = [
     "click",
     "coloredlogs",
     "scapy",
-    "zigpy>=0.55.0",
+    "zigpy>=0.75.0",
     "bellows>=0.43.0",
     "zigpy-deconz>=0.21.0",
     "zigpy-xbee>=0.18.0",

zigpy_cli/radio.py

@@ -316,3 +316,66 @@ async def channel_hopper():
                     + b"\n"
                 )
                 output.flush()
+
+
+@radio.command()
+@click.pass_obj
+@click.option("-r", "--randomize", is_flag=True, type=bool, default=False)
+@click.option("-u", "--unfiltered", is_flag=True, type=bool, default=False)
+@click.option("-n", "--num-scans", type=int, default=-1)
+@click.option("-d", "--duration-exponent", type=int, default=4)
+@click.option(
+    "-c",
+    "--channels",
+    type=CHANNELS_LIST,
+    default=zigpy.types.Channels.ALL_CHANNELS,
+)
+@click_coroutine
+async def network_scan(
+    app, randomize, unfiltered, num_scans, duration_exponent, channels
+):
+    if app._network_scan is ControllerApplication._network_scan:
+        raise click.ClickException("Network scan is not supported by this radio")
+
+    await app.startup()
+    LOGGER.info("Running scan...")
+
+    seen_beacons = set()
+
+    if randomize:
+
+        def channels_iter_func():
+            while True:
+                yield random.choice(tuple(channels))
+
+        channels_iter = channels_iter_func()
+    else:
+        channels_iter = itertools.cycle(channels)
+
+    for scan in itertools.count():
+        channel = next(channels_iter)
+
+        if num_scans != -1 and scan > num_scans:
+            break
+
+        print(f"Scanning channel {channel}\r", end="", flush=True)
+
+        async for network in app.network_scan(
+            channels=zigpy.types.Channels.from_channel_list([channel]),
+            duration_exp=duration_exponent,
+        ):
+            key = network.replace(lqi=None, rssi=None)
+
+            if key in seen_beacons:
+                continue
+
+            seen_beacons.add(key)
+
+            print(
+                f"channel: {network.channel}, "
+                f"network: {network.pan_id} ({network.extended_pan_id}), "
+                f"permitting joins: {int(network.permit_joining)}, "
+                f"nwk update id: {network.nwk_update_id}, "
+                f"lqi: {network.lqi:>4}, "
+                f"rssi: {network.rssi:>3}"
+            )