{"id":986789,"date":"2024-12-27T07:48:02","date_gmt":"2024-12-26T23:48:02","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/986789.html"},"modified":"2024-12-27T07:48:04","modified_gmt":"2024-12-26T23:48:04","slug":"python%e5%a6%82%e4%bd%95%e5%88%a4%e6%96%ad%e8%93%9d%e7%89%99%e8%bf%9e%e6%8e%a5","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/986789.html","title":{"rendered":"python\u5982\u4f55\u5224\u65ad\u84dd\u7259\u8fde\u63a5"},"content":{"rendered":"

\"python\u5982\u4f55\u5224\u65ad\u84dd\u7259\u8fde\u63a5\"<\/p>\n

\u5728Python\u4e2d\u5224\u65ad\u84dd\u7259\u8fde\u63a5\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u84dd\u7259\u5e93\u5982PyBluez\u3001\u68c0\u67e5\u8bbe\u5907\u8fde\u63a5\u72b6\u6001\u3001\u8f6e\u8be2\u8fde\u63a5\u8bbe\u5907\u7b49\u65b9\u5f0f\u3002<\/strong>\u5176\u4e2d\uff0cPyBluez\u662f\u4e00\u4e2a\u5e38\u7528\u7684\u5e93\uff0c\u9002\u7528\u4e8e\u5728Python\u4e2d\u8fdb\u884c\u84dd\u7259\u901a\u4fe1\u3002\u901a\u8fc7\u8be5\u5e93\uff0c\u4f60\u53ef\u4ee5\u626b\u63cf\u9644\u8fd1\u7684\u84dd\u7259\u8bbe\u5907\u3001\u521b\u5efa\u8fde\u63a5\u3001\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u7b49\u3002\u4e0b\u9762\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u5e76\u4e3a\u60a8\u63d0\u4f9b\u4e00\u4e9b\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528PyBluez\u5e93\u8fdb\u884c\u84dd\u7259\u8fde\u63a5\u5224\u65ad <\/p>\n<\/p>\n

1\u3001\u5b89\u88c5PyBluez <\/p>\n<\/p>\n

\u8981\u5728Python\u4e2d\u4f7f\u7528PyBluez\u5e93\uff0c\u9996\u5148\u9700\u8981\u5b89\u88c5\u5b83\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5\uff1a<\/p>\n<\/p>\n

pip install pybluez<\/p>\n
<\/code><\/pre>\n<\/p>\n
PyBluez\u63d0\u4f9b\u4e86\u5bf9\u84dd\u7259\u534f\u8bae\u7684\u8bbf\u95ee\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u626b\u63cf\u9644\u8fd1\u7684\u84dd\u7259\u8bbe\u5907\u4ee5\u53ca\u521b\u5efa\u84dd\u7259\u8fde\u63a5\u3002<\/p>\n<\/p>\n
2\u3001\u626b\u63cf\u84dd\u7259\u8bbe\u5907  <\/p>\n<\/p>\n
\u4f7f\u7528PyBluez\u5e93\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4ee3\u7801\u626b\u63cf\u9644\u8fd1\u7684\u84dd\u7259\u8bbe\u5907\uff1a<\/p>\n<\/p>\n
import bluetooth<\/p>\n
def scan_devices():<\/p>\n
    print("Scanning for bluetooth devices:")<\/p>\n
    devices = bluetooth.discover_devices(duration=8, lookup_names=True, flush_cache=True, lookup_class=False)<\/p>\n
    for addr, name in devices:<\/p>\n
        print(f"Device: {name}, Address: {addr}")<\/p>\n
    return devices<\/p>\n
devices = scan_devices()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u4f1a\u626b\u63cf\u9644\u8fd1\u7684\u84dd\u7259\u8bbe\u5907\uff0c\u5e76\u8f93\u51fa\u8bbe\u5907\u7684\u540d\u79f0\u548c\u5730\u5740\u3002\u4f60\u53ef\u4ee5\u6839\u636e\u626b\u63cf\u7ed3\u679c\u6765\u5224\u65ad\u8bbe\u5907\u662f\u5426\u53ef\u8fde\u63a5\u3002<\/p>\n<\/p>\n
3\u3001\u5224\u65ad\u84dd\u7259\u8fde\u63a5\u72b6\u6001  <\/p>\n<\/p>\n
\u5728\u521b\u5efa\u84dd\u7259\u8fde\u63a5\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7\u5f02\u5e38\u5904\u7406\u6765\u5224\u65ad\u8fde\u63a5\u72b6\u6001\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
import bluetooth<\/p>\n
def connect_bluetooth_device(addr):<\/p>\n
    service_matches = bluetooth.find_service(address=addr)<\/p>\n
    if len(service_matches) == 0:<\/p>\n
        print("Could not find any services.")<\/p>\n
        return False<\/p>\n
    for service in service_matches:<\/p>\n
        port = service["port"]<\/p>\n
        name = service["name"]<\/p>\n
        host = service["host"]<\/p>\n
        print(f"Connecting to \\"{name}\\" on {host}")<\/p>\n
        sock = bluetooth.BluetoothSocket(bluetooth.RFCOMM)<\/p>\n
        try:<\/p>\n
            sock.connect((host, port))<\/p>\n
            print("Connection successful")<\/p>\n
            return True<\/p>\n
        except bluetooth.btcommon.BluetoothError as err:<\/p>\n
            print(f"Connection fAI<\/a>led: {err}")<\/p>\n
            return False<\/p>\n
        finally:<\/p>\n
            sock.close()<\/p>\n
addr = "00:11:22:33:44:55"  # \u66ff\u6362\u4e3a\u76ee\u6807\u8bbe\u5907\u7684\u84dd\u7259\u5730\u5740<\/p>\n
is_connected = connect_bluetooth_device(addr)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u91cc\u901a\u8fc7\u5c1d\u8bd5\u8fde\u63a5\u5230\u670d\u52a1\u5e76\u6355\u83b7\u53ef\u80fd\u7684\u9519\u8bef\u6765\u5224\u65ad\u8fde\u63a5\u662f\u5426\u6210\u529f\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u68c0\u67e5\u8bbe\u5907\u8fde\u63a5\u72b6\u6001  <\/p>\n<\/p>\n
1\u3001\u4f7f\u7528OS\u547d\u4ee4\u884c\u5de5\u5177  <\/p>\n<\/p>\n
\u5728\u67d0\u4e9b\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177\u6765\u68c0\u67e5\u84dd\u7259\u8bbe\u5907\u7684\u8fde\u63a5\u72b6\u6001\u3002\u4f8b\u5982\uff0c\u5728Linux\u4e0a\uff0c\u53ef\u4ee5\u4f7f\u7528hcitool<\/code>\u547d\u4ee4\u6765\u68c0\u67e5\u8bbe\u5907\u8fde\u63a5\u72b6\u6001\uff1a<\/p>\n<\/p>\n
hcitool con<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8be5\u547d\u4ee4\u4f1a\u5217\u51fa\u5f53\u524d\u8fde\u63a5\u7684\u84dd\u7259\u8bbe\u5907\u3002\u4f60\u53ef\u4ee5\u5728Python\u4e2d\u8c03\u7528\u8be5\u547d\u4ee4\u5e76\u89e3\u6790\u5176\u8f93\u51fa\uff1a<\/p>\n<\/p>\n
import subprocess<\/p>\n
def check_connection():<\/p>\n
    try:<\/p>\n
        result = subprocess.run(["hcitool", "con"], capture_output=True, text=True)<\/p>\n
        print("Connected devices:")<\/p>\n
        print(result.stdout)<\/p>\n
    except subprocess.CalledProcessError as e:<\/p>\n
        print(f"Failed to check connection: {e}")<\/p>\n
check_connection()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u9700\u8981\u6839\u636e\u64cd\u4f5c\u7cfb\u7edf\u548c\u53ef\u7528\u5de5\u5177\u8fdb\u884c\u8c03\u6574\u3002<\/p>\n<\/p>\n
2\u3001\u4f7f\u7528D-Bus\u63a5\u53e3\uff08\u9002\u7528\u4e8eLinux\u7cfb\u7edf\uff09  <\/p>\n<\/p>\n
\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528D-Bus\u63a5\u53e3\u4e0e\u84dd\u7259\u7ba1\u7406\u5668\u4ea4\u4e92\uff0c\u83b7\u53d6\u8bbe\u5907\u8fde\u63a5\u72b6\u6001\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
import dbus<\/p>\n
def is_device_connected(device_address):<\/p>\n
    bus = dbus.SystemBus()<\/p>\n
    manager = dbus.Interface(bus.get_object("org.bluez", "\/"), "org.freedesktop.DBus.ObjectManager")<\/p>\n
    objects = manager.GetManagedObjects()<\/p>\n
    for path, interfaces in objects.items():<\/p>\n
        if "org.bluez.Device1" in interfaces:<\/p>\n
            properties = interfaces["org.bluez.Device1"]<\/p>\n
            if properties["Address"] == device_address and properties["Connected"]:<\/p>\n
                return True<\/p>\n
    return False<\/p>\n
device_address = "00:11:22:33:44:55"  # \u66ff\u6362\u4e3a\u76ee\u6807\u8bbe\u5907\u7684\u84dd\u7259\u5730\u5740<\/p>\n
connected = is_device_connected(device_address)<\/p>\n
print(f"Device connected: {connected}")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u4f9d\u8d56\u4e8eD-Bus\uff0c\u9700\u8981\u5728\u5177\u6709D-Bus\u652f\u6301\u7684Linux\u7cfb\u7edf\u4e0a\u8fd0\u884c\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u8f6e\u8be2\u8fde\u63a5\u8bbe\u5907  <\/p>\n<\/p>\n
1\u3001\u5b9a\u671f\u626b\u63cf\u5e76\u68c0\u67e5\u8bbe\u5907  <\/p>\n<\/p>\n
\u4e00\u79cd\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u5b9a\u671f\u626b\u63cf\u84dd\u7259\u8bbe\u5907\uff0c\u5e76\u68c0\u67e5\u76ee\u6807\u8bbe\u5907\u662f\u5426\u51fa\u73b0\u5728\u626b\u63cf\u7ed3\u679c\u4e2d\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u4e0d\u9700\u8981\u5b9e\u65f6\u8fde\u63a5\u72b6\u6001\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n
import time<\/p>\n
import bluetooth<\/p>\n
def monitor_device(device_name):<\/p>\n
    while True:<\/p>\n
        devices = bluetooth.discover_devices(duration=8, lookup_names=True, flush_cache=True, lookup_class=False)<\/p>\n
        for addr, name in devices:<\/p>\n
            if name == device_name:<\/p>\n
                print(f"Device {device_name} is in range.")<\/p>\n
                return True<\/p>\n
        print(f"Device {device_name} not found. Retrying...")<\/p>\n
        time.sleep(5)<\/p>\n
device_name = "My Bluetooth Device"  # \u66ff\u6362\u4e3a\u76ee\u6807\u8bbe\u5907\u7684\u540d\u79f0<\/p>\n
monitor_device(device_name)<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u4f7f\u7528\u4e8b\u4ef6\u9a71\u52a8\u6846\u67b6  <\/p>\n<\/p>\n
\u5bf9\u4e8e\u9700\u8981\u5b9e\u65f6\u54cd\u5e94\u7684\u5e94\u7528\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e8b\u4ef6\u9a71\u52a8\u6846\u67b6\uff0c\u4f8b\u5982PyGObject\u4e0eBlueZ\u7ed3\u5408\uff0c\u6765\u76d1\u542c\u84dd\u7259\u8bbe\u5907\u7684\u8fde\u63a5\u548c\u65ad\u5f00\u4e8b\u4ef6\u3002\u8fd9\u79cd\u65b9\u6cd5\u6bd4\u8f83\u590d\u6742\uff0c\u9700\u8981\u6df1\u5165\u4e86\u89e3D-Bus\u548cBlueZ\u7684\u5de5\u4f5c\u673a\u5236\u3002<\/p>\n<\/p>\n
\u7efc\u4e0a\u6240\u8ff0\uff0c\u5224\u65adPython\u4e2d\u7684\u84dd\u7259\u8fde\u63a5\u72b6\u6001\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u6cd5\u5b9e\u73b0\uff0c\u5305\u62ec\u4f7f\u7528PyBluez\u5e93\u8fdb\u884c\u8fde\u63a5\u5c1d\u8bd5\u3001\u901a\u8fc7OS\u547d\u4ee4\u68c0\u67e5\u8fde\u63a5\u72b6\u6001\uff0c\u4ee5\u53ca\u5229\u7528D-Bus\u63a5\u53e3\u83b7\u53d6\u8bbe\u5907\u72b6\u6001\u7b49\u3002\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u9700\u8981\u6839\u636e\u64cd\u4f5c\u7cfb\u7edf\u73af\u5883\u548c\u5177\u4f53\u5e94\u7528\u573a\u666f\u6765\u51b3\u5b9a\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u68c0\u67e5\u84dd\u7259\u8bbe\u5907\u7684\u8fde\u63a5\u72b6\u6001\uff1f<\/strong>
\u8981\u68c0\u67e5\u84dd\u7259\u8bbe\u5907\u7684\u8fde\u63a5\u72b6\u6001\uff0c\u53ef\u4ee5\u4f7f\u7528pybluez<\/code>\u5e93\u3002\u901a\u8fc7\u8be5\u5e93\uff0c\u53ef\u4ee5\u626b\u63cf\u5468\u56f4\u7684\u84dd\u7259\u8bbe\u5907\u5e76\u83b7\u53d6\u5176\u8fde\u63a5\u72b6\u6001\u3002\u60a8\u9700\u8981\u9996\u5148\u5b89\u88c5pybluez<\/code>\uff0c\u7136\u540e\u4f7f\u7528\u76f8\u5173\u7684API\u6765\u67e5\u8be2\u7279\u5b9a\u8bbe\u5907\u662f\u5426\u5df2\u8fde\u63a5\u3002<\/p>\n
\u6709\u54ea\u4e9bPython\u5e93\u53ef\u4ee5\u7528\u6765\u7ba1\u7406\u84dd\u7259\u8fde\u63a5\uff1f<\/strong>
Python\u4e2d\u6709\u51e0\u4e2a\u5e93\u53ef\u4ee5\u5e2e\u52a9\u60a8\u7ba1\u7406\u84dd\u7259\u8fde\u63a5\uff0c\u5305\u62ecpybluez<\/code>\u3001Bleak<\/code>\u548cbluepy<\/code>\u3002\u8fd9\u4e9b\u5e93\u5404\u6709\u7279\u70b9\uff0c\u60a8\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u5e93\u3002\u4f8b\u5982\uff0cBleak<\/code>\u652f\u6301BLE\uff08\u84dd\u7259\u4f4e\u80fd\u8017\uff09\uff0c\u9002\u7528\u4e8e\u9700\u8981\u4e0e\u73b0\u4ee3\u8bbe\u5907\u901a\u4fe1\u7684\u573a\u666f\u3002<\/p>\n
\u5728Python\u4e2d\u5982\u4f55\u5904\u7406\u84dd\u7259\u8fde\u63a5\u5931\u8d25\u7684\u60c5\u51b5\uff1f<\/strong>
\u8fde\u63a5\u84dd\u7259\u8bbe\u5907\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u5931\u8d25\u7684\u60c5\u51b5\u3002\u53ef\u4ee5\u901a\u8fc7\u6355\u83b7\u5f02\u5e38\u6765\u5904\u7406\u8fd9\u4e9b\u9519\u8bef\u3002\u786e\u4fdd\u60a8\u7684\u4ee3\u7801\u4e2d\u5305\u542b\u9519\u8bef\u5904\u7406\u673a\u5236\uff0c\u4ee5\u4fbf\u5728\u8fde\u63a5\u5931\u8d25\u65f6\u8f93\u51fa\u5408\u9002\u7684\u9519\u8bef\u4fe1\u606f\u6216\u5c1d\u8bd5\u91cd\u65b0\u8fde\u63a5\u3002<\/p>\n
\u5982\u4f55\u4f18\u5316Python\u84dd\u7259\u8fde\u63a5\u7684\u6027\u80fd\uff1f<\/strong>
\u4f18\u5316\u84dd\u7259\u8fde\u63a5\u7684\u6027\u80fd\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u5b9e\u73b0\uff0c\u4f8b\u5982\u51cf\u5c11\u626b\u63cf\u65f6\u95f4\u3001\u9650\u5236\u5e76\u53d1\u8fde\u63a5\u6570\u4ee5\u53ca\u4f7f\u7528\u9ad8\u6548\u7684\u534f\u8bae\u3002\u4f7f\u7528\u5408\u9002\u7684\u84dd\u7259\u5e93\u5e76\u5408\u7406\u914d\u7f6e\u53c2\u6570\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u8fde\u63a5\u7684\u7a33\u5b9a\u6027\u548c\u901f\u5ea6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u5224\u65ad\u84dd\u7259\u8fde\u63a5\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u84dd\u7259\u5e93\u5982PyBluez\u3001\u68c0\u67e5\u8bbe\u5907\u8fde\u63a5\u72b6\u6001\u3001\u8f6e\u8be2\u8fde\u63a5\u8bbe\u5907\u7b49\u65b9\u5f0f\u3002\u5176\u4e2d\uff0cP […]","protected":false},"author":3,"featured_media":986799,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/986789"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=986789"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/986789\/revisions"}],"predecessor-version":[{"id":986803,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/986789\/revisions\/986803"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/986799"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=986789"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=986789"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=986789"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}