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"""
Scan/Discovery Async Iterator
--------------
Example showing how to scan for BLE devices using async iterator instead of callback function
Created on 2023-07-07 by bojanpotocnik <info@bojanpotocnik.com>
"""
import asyncio
from bleak import BleakScanner
async def main():
async with BleakScanner() as scanner:
print("Scanning...")
n = 5
print(f"\n{n} advertisement packets:")
async for bd, ad in scanner.advertisement_data():
print(f" {n}. {bd!r} with {ad!r}")
n -= 1
if n == 0:
break
n = 10
print(f"\nFind device with name longer than {n} characters...")
async for bd, ad in scanner.advertisement_data():
found = len(bd.name or "") > n or len(ad.local_name or "") > n
print(f" Found{' it' if found else ''} {bd!r} with {ad!r}")
if found:
break
if __name__ == "__main__":
asyncio.run(main())
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