Add converse stream example

Author: xrmx

instrumentation/opentelemetry-instrumentation-botocore/examples/bedrock-runtime/zero-code/README.rst

@@ -18,6 +18,8 @@ Available examples
 ------------------
 
 - `converse.py` uses `bedrock-runtime` `Converse API <https://docs.aws.amazon.com/bedrock/latest/APIReference/API_runtime_Converse.html>_`.
+- `converse_stream.py` uses `bedrock-runtime` `ConverseStream API <https://docs.aws.amazon.com/bedrock/latest/APIReference/API_runtime_ConverseStream.html>_`.
+- `invoke_model.py` uses `bedrock-runtime` `InvokeModel API <https://docs.aws.amazon.com/bedrock/latest/APIReference/API_runtime_InvokeModel.html>_`.
 
 Setup
 -----

instrumentation/opentelemetry-instrumentation-botocore/examples/bedrock-runtime/zero-code/converse_stream.py

@@ -0,0 +1,26 @@
+import os
+
+import boto3
+
+
+def main():
+    client = boto3.client("bedrock-runtime")
+    stream = client.converse_stream(
+        modelId=os.getenv("CHAT_MODEL", "amazon.titan-text-lite-v1"),
+        messages=[
+            {
+                "role": "user",
+                "content": [{"text": "Write a short poem on OpenTelemetry."}],
+            },
+        ],
+    )
+
+    response = ""
+    for s in stream["stream"]:
+        if "contentBlockDelta" in s:
+            response += s["contentBlockDelta"]["delta"]["text"]
+    print(response)
+
+
+if __name__ == "__main__":
+    main()