moving chatbot-ui in demos and out of root project structure

demos/shared/chatbot_ui/.vscode/launch.json

@@ -0,0 +1,34 @@
+{
+  // Use IntelliSense to learn about possible attributes.
+  // Hover to view descriptions of existing attributes.
+  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "python": "${workspaceFolder}/venv/bin/python",
+      "name": "chatbot-ui",
+      "type": "debugpy",
+      "request": "launch",
+      "program": "run_stream.py",
+      "console": "integratedTerminal",
+      "env": {
+        "LLM": "1",
+        "CHAT_COMPLETION_ENDPOINT": "http://localhost:10000/v1",
+        "STREAMING": "True",
+        "ARCH_CONFIG": "../demos/function_calling/arch_config.yaml"
+      }
+    },
+    {
+      "name": "chatbot-ui llm",
+      "cwd": "${workspaceFolder}/app",
+      "type": "debugpy",
+      "request": "launch",
+      "program": "run.py",
+      "console": "integratedTerminal",
+      "env": {
+        "LLM": "1",
+        "CHAT_COMPLETION_ENDPOINT": "http://localhost:12000/v1"
+      }
+    },
+  ]
+}

demos/shared/chatbot_ui/Dockerfile

@@ -0,0 +1,18 @@
+FROM python:3.10 AS base
+
+FROM base AS builder
+
+WORKDIR /src
+
+COPY requirements.txt /src/
+
+RUN pip install --prefix=/runtime --force-reinstall -r requirements.txt
+
+FROM python:3.10-slim AS output
+
+COPY --from=builder /runtime /usr/local
+
+WORKDIR /app
+COPY *.py .
+
+CMD ["python", "run_stream.py"]

demos/shared/chatbot_ui/common.py

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+import json
+import logging
+import os
+import yaml
+
+logging.basicConfig(
+    level=logging.INFO,
+    format="%(asctime)s - %(levelname)s - %(message)s",
+)
+
+log = logging.getLogger(__name__)
+
+
+def process_stream_chunk(chunk, history):
+    delta = chunk.choices[0].delta
+    if delta.role and delta.role != history[-1]["role"]:
+        # create new history item if role changes
+        # this is likely due to arch tool call and api response
+        history.append({"role": delta.role})
+
+    history[-1]["model"] = chunk.model
+    # append tool calls to history if there are any in the chunk
+    if delta.tool_calls:
+        history[-1]["tool_calls"] = delta.tool_calls
+
+    if delta.content:
+        # append content to the last history item
+        history[-1]["content"] = history[-1].get("content", "") + delta.content
+        # yield content if it is from assistant
+        if history[-1]["role"] == "assistant":
+            return delta.content
+
+    return None
+
+
+def convert_prompt_target_to_openai_format(target):
+    tool = {
+        "description": target["description"],
+        "parameters": {"type": "object", "properties": {}, "required": []},
+    }
+
+    if "parameters" in target:
+        for param_info in target["parameters"]:
+            parameter = {
+                "type": param_info["type"],
+                "description": param_info["description"],
+            }
+
+            for key in ["default", "format", "enum", "items", "minimum", "maximum"]:
+                if key in param_info:
+                    parameter[key] = param_info[key]
+
+            tool["parameters"]["properties"][param_info["name"]] = parameter
+
+            required = param_info.get("required", False)
+            if required:
+                tool["parameters"]["required"].append(param_info["name"])
+
+    return {"name": target["name"], "info": tool}
+
+
+def get_prompt_targets():
+    try:
+        with open(os.getenv("ARCH_CONFIG", "arch_config.yaml"), "r") as file:
+            config = yaml.safe_load(file)
+
+            available_tools = []
+            for target in config["prompt_targets"]:
+                if not target.get("default", False):
+                    available_tools.append(
+                        convert_prompt_target_to_openai_format(target)
+                    )
+
+            return {tool["name"]: tool["info"] for tool in available_tools}
+    except Exception as e:
+        log.info(e)
+        return None

demos/shared/chatbot_ui/requirements.txt

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+gradio==5.3.0
+async_timeout==4.0.3
+loguru==0.7.2
+asyncio==3.4.3
+httpx==0.27.0
+python-dotenv==1.0.1
+pydantic==2.8.2
+openai==1.51.0

demos/shared/chatbot_ui/run_stream.py

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+import json
+import os
+import logging
+import yaml
+import gradio as gr
+
+from typing import List, Optional, Tuple
+from openai import OpenAI
+from dotenv import load_dotenv
+
+from common import get_prompt_targets, process_stream_chunk
+
+load_dotenv()
+
+
+logging.basicConfig(
+    level=logging.INFO,
+    format="%(asctime)s - %(levelname)s - %(message)s",
+)
+
+log = logging.getLogger(__name__)
+
+CHAT_COMPLETION_ENDPOINT = os.getenv("CHAT_COMPLETION_ENDPOINT")
+log.info(f"CHAT_COMPLETION_ENDPOINT: {CHAT_COMPLETION_ENDPOINT}")
+
+
+CSS_STYLE = """
+.json-container {
+    height: 95vh !important;
+    overflow-y: auto !important;
+}
+.chatbot {
+    height: calc(95vh - 100px) !important;
+    overflow-y: auto !important;
+}
+footer {visibility: hidden}
+"""
+
+client = OpenAI(
+    api_key="--",
+    base_url=CHAT_COMPLETION_ENDPOINT,
+)
+
+
+def chat(
+    query: Optional[str],
+    conversation: Optional[List[Tuple[str, str]]],
+    history: List[dict],
+):
+    history.append({"role": "user", "content": query})
+
+    try:
+        response = client.chat.completions.create(
+            # we select model from arch_config file
+            model="--",
+            messages=history,
+            temperature=1.0,
+            stream=True,
+        )
+    except Exception as e:
+        # remove last user message in case of exception
+        history.pop()
+        log.info("Error calling gateway API: {}".format(e))
+        raise gr.Error("Error calling gateway API: {}".format(e))
+
+    conversation.append((query, ""))
+
+    for chunk in response:
+        tokens = process_stream_chunk(chunk, history)
+        if tokens:
+            conversation[-1] = (
+                conversation[-1][0],
+                conversation[-1][1] + tokens,
+            )
+
+            yield "", conversation, history
+
+
+def main():
+    with gr.Blocks(
+        theme=gr.themes.Default(
+            font_mono=[gr.themes.GoogleFont("IBM Plex Mono"), "Arial", "sans-serif"]
+        ),
+        fill_height=True,
+        css=CSS_STYLE,
+    ) as demo:
+        with gr.Row(equal_height=True):
+            history = gr.State([])
+
+            with gr.Column(scale=1):
+                with gr.Accordion("See available tools", open=False):
+                    with gr.Column(scale=1):
+                        gr.JSON(
+                            value=get_prompt_targets(),
+                            show_indices=False,
+                            elem_classes="json-container",
+                            min_height="95vh",
+                        )
+
+            with gr.Column(scale=2):
+                chatbot = gr.Chatbot(
+                    label="Arch Chatbot",
+                    elem_classes="chatbot",
+                )
+                textbox = gr.Textbox(
+                    show_label=False,
+                    placeholder="Enter text and press enter",
+                    autofocus=True,
+                    elem_classes="textbox",
+                )
+
+            textbox.submit(
+                chat, [textbox, chatbot, history], [textbox, chatbot, history]
+            )
+
+    demo.launch(server_name="0.0.0.0", server_port=8080, show_error=True, debug=True)
+
+
+if __name__ == "__main__":
+    main()