📝 Update README with detailed instructions and references for local API testing

projects/local-api-test/main-stream.py

@@ -0,0 +1,45 @@
+import os
+from pprint import pprint
+
+from openai import OpenAI
+from openai._types import Timeout
+from openai.types.chat import ChatCompletionUserMessageParam, ChatCompletionSystemMessageParam
+
+
+def main():
+    client = OpenAI(
+        api_key=os.environ.get("OPENAI_API_KEY", "sk-dummy"),
+        base_url=os.environ.get("OPENAI_API_BASE", "http://localhost:11434/v1"),
+        timeout=Timeout(30, connect=5),
+    )
+
+    response = client.chat.completions.create(
+        model=os.environ.get("OPENAI_MODEL", "qwen-math-turbo"),
+        messages=[
+            ChatCompletionSystemMessageParam(role="system", content="You are a useful assistant."),
+            # ChatCompletionUserMessageParam(**{"role": "user", "content": "Hello!"}),
+            ChatCompletionUserMessageParam(role="user", content="Hello!"),
+        ],
+        stream=True,
+        # stream_options={"include_usage": True},
+    )
+    print()
+    pprint(vars(response))
+    print()
+    # print(response.choices[0].message.content)
+
+    for chunk in response:
+        print('xx')
+        if chunk.choices:
+            content = chunk.choices[0].delta.content or ""
+            print('CHUNK:', content, end="", flush=True)
+            # content_parts.append(content)
+        elif chunk.usage:
+            print("\n--- 请求用量 ---")
+            print(f"输入 Tokens: {chunk.usage.prompt_tokens}")
+            print(f"输出 Tokens: {chunk.usage.completion_tokens}")
+            print(f"总计 Tokens: {chunk.usage.total_tokens}")
+
+
+if __name__ == "__main__":
+    main()