Add sandbox.detach to sandbox examples (#1501)

* Add sandbox.detach to sandbox examples

* Address comments

Author: thomasjpfan

13_sandboxes/anthropic_computer_use.py

@@ -99,6 +99,10 @@ def is_server_up(url):
 # Note: The sandbox logs may mention `localhost:8080`.
 # Ignore this and use the printed tunnel URLs instead.
 
+# After you are done calling methods on the `sandbox` object, we recommend calling `detach` to disconnect
+# your local `sandbox` object and clean up any client-side resources.
+sandbox.detach()
+
 # When finished, you can terminate the sandbox from your [Modal dashboard](https://modal.com/containers)
 # or by running `Sandbox.from_id(sandbox.object_id).terminate()`.
 # The Sandbox will also spin down after one hour.

13_sandboxes/jupyter_sandbox.py

@@ -111,5 +111,9 @@ def is_jupyter_up():
 
 # You can now open this URL in your browser to access the Jupyter notebook!
 
+# After you are done calling methods on the `sandbox` object, we recommend calling `detach` to disconnect
+# your local `sandbox` object and clean up any client-side resources.
+sandbox.detach()
+
 # When you're done, terminate the sandbox using your [Modal dashboard](https://modal.com/sandboxes)
 # or by running `Sandbox.from_id(sandbox.object_id).terminate()`.

13_sandboxes/opencode_server.py

@@ -220,6 +220,10 @@ def main(
     sandbox = create_sandbox(image, timeout, app, sandbox_secrets, "/root/code")
     print_access_info(sandbox, password_secret_name)
 
+    # After you are done calling methods on the `sandbox` object, we recommend calling `detach` to disconnect
+    # your local `sandbox` object and clean up any client-side resources.
+    sandbox.detach()
+
 
 # ## Command-line options
 

13_sandboxes/safe_code_execution.py

@@ -112,3 +112,7 @@
 # Let's terminate the Sandbox to clean up after ourselves.
 
 sandbox.terminate()
+
+# After you are done calling methods on the `sandbox` object, we recommend calling `detach` to disconnect
+# your local `sandbox` object and clean up any client-side resources.
+sandbox.detach()

13_sandboxes/sandbox_agent.py

@@ -75,3 +75,7 @@
 stderr = claude_ps.stderr.read()
 if stderr != "":
     print("Agent stderr:", stderr)
+
+# After you are done calling methods on the `sandbox` object, we recommend calling `detach` to disconnect
+# your local `sandbox` object and clean up any client-side resources.
+sandbox.detach()

13_sandboxes/sandbox_pool.py

@@ -156,6 +156,7 @@ def add_sandbox_to_queue() -> None:
         raise Exception("Health check failed")
 
     pool_queue.put(SandboxReference(id=sb.object_id, url=url, expires_at=expires_at))
+    sb.detach()
 
 
 # We also have a utility function that can be `.spawn()`ed to terminate Sandboxes.
@@ -165,6 +166,7 @@ def terminate_sandboxes(sandbox_ids: list[str]) -> int:
     for id in sandbox_ids:
         sb = modal.Sandbox.from_id(id)
         sb.terminate()
+        sb.detach()
         num_terminated += 1
 
     print(f"Terminated {num_terminated} Sandboxes")

13_sandboxes/simple_code_interpreter.py

@@ -117,3 +117,7 @@ def run_code(writer: modal.io_streams.StreamWriter, reader: Iterator[str], code:
 # Finally, let's clean up after ourselves and terminate the Sandbox.
 
 sb.terminate()
+
+# After you are done calling methods on the `sb` object, we recommend calling `detach` to disconnect
+# your local `sandbox` object and clean up any client-side resources.
+sb.detach()