实现传感器设备自动注册与配网

def solve():
    from pyodide.http import open_url
    from io import StringIO
    import pandas as pd, hashlib, secrets
    devs_csv = open_url(____).read()
    devs = pd.read_csv(StringIO(____))
    existing_ids = set(____)
    def auto_register(____):
        if device_id in existing_ids:
            return False, '____', None
        raw_key = '____' + farm_id.lower() + '____' + device_id.lower() + '____'
        key_hash = hashlib.sha256(raw_key.encode()).hexdigest()
        return True, '____', {'____':device_id,'____':device_type,'____':zone,'____':farm_id,'____':raw_key,'____':key_hash}
    new_devices = [
        (____),
        (____),
        (____),
    ]
    for did, dtype, zone in new_devices:
        ok, msg, info = auto_register(____)
        if ok:
            print(____)
        else:
            print(____)