CodingPirates/pyscrlink
1
0
Fork 0
mirror of https://github.com/kawasaki/pyscrlink.git synced 2025-09-05 01:00:23 +02:00
Code Issues Packages Projects Releases Wiki Activity

BLEDBusSession: introduce BTUUID class

Browse Source 
bluepy provides its unique UUID class which handles UUIDs of Bluetooth
devices well. Not to depend on bluepy, introduce BTUUID which extends
python standard uuid.UUID class.

Signed-off-by: Shin'ichiro Kawasaki <kawasaki@juno.dti.ne.jp>
This commit is contained in:
Shin'ichiro Kawasaki
2023-08-27 11:25:37 +09:00
parent f79e7ac889
commit 39b157e839
1 changed files with 24 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
pyscrlink/scratch_link.py
View File

@@ -10,6 +10,7 @@ import ssl
import websockets
import socket
import json
import uuid
import base64
import logging
import sys
@@ -56,6 +57,24 @@ logger.propagate = False
HOSTNAME="device-manager.scratch.mit.edu"
scan_seconds=10.0
class BTUUID(uuid.UUID):
BLUETOOTH_BASE_UUID = "00001000800000805F9B34FB"
def __init__(self, val):
if isinstance(val, int):
if (val < 0) or (val > 0xFFFFFFFF):
raise ValueError(
"Short form UUIDs must be in range 0..0xFFFFFFFF")
val = "%04X" % val
else:
val = str(val)
val = val.replace("-", "")
if len(val) <= 8: # Short form
val = ("0" * (8 - len(val))) + val + self.BLUETOOTH_BASE_UUID
uuid.UUID.__init__(self, val)
class Session():
"""Base class for BTSession and BLESession"""
def __init__(self, websocket, loop):
@@ -211,12 +230,14 @@ class BLEDBusSession(Session):
if 'services' in f:
for s in f['services']:
logger.debug(f"service to check: {s}")
given_uuid = s
logger.debug(f"given UUID: {given_uuid} hash={UUID(given_uuid).__hash__()}")
given_uuid = BTUUID(s)
logger.debug(f"given UUID: {given_uuid} hash={given_uuid.__hash__()}")
dev_uuids = await dev.uuids
if not dev_uuids:
logger.debug(f"dev UUID not available")
continue
for u in dev_uuids:
for uuid in dev_uuids:
u = BTUUID(uuid)
logger.debug(f"dev UUID: {u} hash={u.__hash__()}")
logger.debug(given_uuid == u)
if given_uuid == u: