first commit

examples/basic/main.py

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+import time
+import logging
+from license_manager.client import Client, ClientOptions, Callbacks
+from license_manager.config import Config
+from license_manager.models import LicensePayload
+
+def main():
+    logging.basicConfig(level=logging.INFO)
+    
+    cfg = Config(
+        server="https://license.example.com",
+        product="edge-gateway",
+        version="2.3.1",
+        authorization_code_path="license_code/authorization_code.txt",
+        public_key_path="license_code/rsa_public_key.pem",
+        hardware_fields=["cpu", "memory", "mac"],
+        heartbeat_interval_seconds=10,
+        offline=False,
+    )
+
+    def on_license_updated(lic: LicensePayload):
+        logging.info(f"许可证更新，将于 {lic.expires_at} 过期")
+
+    def on_heartbeat_error(err: Exception):
+        logging.error(f"心跳异常: {err}")
+
+    def on_activation_required(reason: str):
+        logging.warning(f"需要重新激活: {reason}")
+
+    callbacks = Callbacks(
+        on_license_updated=on_license_updated,
+        on_heartbeat_error=on_heartbeat_error,
+        on_activation_required=on_activation_required
+    )
+    
+    opts = ClientOptions(callbacks=callbacks)
+
+    try:
+        # Client initialization validates configuration, gathers hardware fingerprint,
+        # performs offline local validation or online activation, and spins up heartbeat threads
+        client = Client(cfg, opts)
+    except Exception as e:
+        logging.error(f"初始化 SDK 失败: {e}")
+        return
+
+    lic = client.current_license()
+    if lic:
+        logging.info(f"状态={lic.status} 过期={lic.expires_at}")
+        logging.info(f"最大激活={lic.max_activations} key={lic.license_key}")
+        
+    logging.info("主线程执行日常业务任务中...")
+    try:
+        time.sleep(35)
+    except KeyboardInterrupt:
+        pass
+    finally:
+        logging.info("关闭 SDK 客户端以终止后台心跳.")
+        client.close()
+
+if __name__ == "__main__":
+    main()