mirror of
https://github.com/open-webui/open-webui
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refac: reasoning tag
This commit is contained in:
Timothy Jaeryang Baek
parent
e4fc2e0e51
commit
eb1ede119e
@ -8,6 +8,8 @@ from typing import Any, Optional
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import random
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import json
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import inspect
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import re
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from uuid import uuid4
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from concurrent.futures import ThreadPoolExecutor
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@ -987,6 +989,7 @@ async def process_chat_response(
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pass
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event_emitter = None
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event_caller = None
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if (
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"session_id" in metadata
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and metadata["session_id"]
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@ -996,10 +999,11 @@ async def process_chat_response(
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and metadata["message_id"]
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):
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event_emitter = get_event_emitter(metadata)
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event_caller = get_event_call(metadata)
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# Non-streaming response
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if not isinstance(response, StreamingResponse):
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if event_emitter:
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if "selected_model_id" in response:
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Chats.upsert_message_to_chat_by_id_and_message_id(
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metadata["chat_id"],
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@ -1064,22 +1068,136 @@ async def process_chat_response(
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else:
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return response
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# Non standard response
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if not any(
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content_type in response.headers["Content-Type"]
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for content_type in ["text/event-stream", "application/x-ndjson"]
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):
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return response
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if event_emitter:
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# Streaming response
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if event_emitter and event_caller:
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task_id = str(uuid4()) # Create a unique task ID.
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# Handle as a background task
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async def post_response_handler(response, events):
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def serialize_content_blocks(content_blocks):
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content = ""
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for block in content_blocks:
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if block["type"] == "text":
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content = f"{content}{block['content'].strip()}\n"
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elif block["type"] == "reasoning":
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reasoning_display_content = "\n".join(
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(f"> {line}" if not line.startswith(">") else line)
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for line in block["content"].splitlines()
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)
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reasoning_duration = block.get("duration", None)
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if reasoning_duration:
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content = f'{content}<details type="reasoning" done="true" duration="{reasoning_duration}">\n<summary>Thought for {reasoning_duration} seconds</summary>\n{reasoning_display_content}\n</details>\n'
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else:
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content = f'{content}<details type="reasoning" done="false">\n<summary>Thinking…</summary>\n{reasoning_display_content}\n</details>\n'
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else:
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content = f"{content}{block['type']}: {block['content']}\n"
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return content
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def tag_content_handler(content_type, tags, content, content_blocks):
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def extract_attributes(tag_content):
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"""Extract attributes from a tag if they exist."""
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attributes = {}
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# Match attributes in the format: key="value" (ignores single quotes for simplicity)
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matches = re.findall(r'(\w+)\s*=\s*"([^"]+)"', tag_content)
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for key, value in matches:
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attributes[key] = value
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return attributes
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if content_blocks[-1]["type"] == "text":
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for tag in tags:
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# Match start tag e.g., <tag> or <tag attr="value">
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start_tag_pattern = rf"<{tag}(.*?)>"
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match = re.search(start_tag_pattern, content)
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if match:
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# Extract attributes in the tag (if present)
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attributes = extract_attributes(match.group(1))
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# Remove the start tag from the currently handling text block
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content_blocks[-1]["content"] = content_blocks[-1][
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"content"
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].replace(match.group(0), "")
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if not content_blocks[-1]["content"]:
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content_blocks.pop()
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# Append the new block
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content_blocks.append(
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{
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"type": content_type,
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"tag": tag,
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"attributes": attributes,
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"content": "",
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"started_at": time.time(),
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}
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)
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break
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elif content_blocks[-1]["type"] == content_type:
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tag = content_blocks[-1]["tag"]
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# Match end tag e.g., </tag>
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end_tag_pattern = rf"</{tag}>"
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if re.search(end_tag_pattern, content):
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block_content = content_blocks[-1]["content"]
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# Strip start and end tags from the content
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start_tag_pattern = rf"<{tag}(.*?)>"
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block_content = re.sub(
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start_tag_pattern, "", block_content
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).strip()
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block_content = re.sub(
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end_tag_pattern, "", block_content
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).strip()
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if block_content:
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content_blocks[-1]["content"] = block_content
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content_blocks[-1]["ended_at"] = time.time()
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content_blocks[-1]["duration"] = int(
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content_blocks[-1]["ended_at"]
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- content_blocks[-1]["started_at"]
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)
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# Reset the content_blocks by appending a new text block
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content_blocks.append(
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{
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"type": "text",
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"content": "",
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}
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)
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# Clean processed content
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content = re.sub(
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rf"<{tag}(.*?)>(.|\n)*?</{tag}>",
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"",
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content,
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flags=re.DOTALL,
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)
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else:
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# Remove the block if content is empty
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content_blocks.pop()
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return content, content_blocks
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message = Chats.get_message_by_id_and_message_id(
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metadata["chat_id"], metadata["message_id"]
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)
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content = message.get("content", "") if message else ""
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content_blocks = [
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{
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"type": "text",
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"content": content,
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}
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]
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# We might want to disable this by default
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DETECT_REASONING = True
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DETECT_CODE_INTERPRETER = True
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reasoning_tags = ["think", "reason", "reasoning", "thought", "Thought"]
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code_interpreter_tags = ["oi::code_interpreter"]
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try:
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for event in events:
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@ -1099,16 +1217,6 @@ async def process_chat_response(
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},
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)
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# We might want to disable this by default
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detect_reasoning = True
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reasoning_tags = ["think", "reason", "reasoning", "thought", "Thought"]
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current_tag = None
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reasoning_start_time = None
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reasoning_content = ""
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ongoing_content = ""
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async for line in response.body_iterator:
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line = line.decode("utf-8") if isinstance(line, bytes) else line
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data = line
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@ -1144,73 +1252,28 @@ async def process_chat_response(
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if value:
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content = f"{content}{value}"
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content_blocks[-1]["content"] = (
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content_blocks[-1]["content"] + value
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)
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if detect_reasoning:
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for tag in reasoning_tags:
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start_tag = f"<{tag}>\n"
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end_tag = f"</{tag}>\n"
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print(f"Content: {content}")
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print(f"Content Blocks: {content_blocks}")
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if start_tag in content:
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# Remove the start tag
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content = content.replace(start_tag, "")
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ongoing_content = content
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if DETECT_REASONING:
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content, content_blocks = tag_content_handler(
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"reasoning",
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reasoning_tags,
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content,
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content_blocks,
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)
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reasoning_start_time = time.time()
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reasoning_content = ""
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current_tag = tag
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break
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if reasoning_start_time is not None:
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# Remove the last value from the content
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content = content[: -len(value)]
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reasoning_content += value
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end_tag = f"</{current_tag}>\n"
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if end_tag in reasoning_content:
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reasoning_end_time = time.time()
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reasoning_duration = int(
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reasoning_end_time
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- reasoning_start_time
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)
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reasoning_content = (
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reasoning_content.strip(
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f"<{current_tag}>\n"
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)
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.strip(end_tag)
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.strip()
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)
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if reasoning_content:
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reasoning_display_content = "\n".join(
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(
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f"> {line}"
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if not line.startswith(">")
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else line
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)
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for line in reasoning_content.splitlines()
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)
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# Format reasoning with <details> tag
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content = f'{ongoing_content}<details type="reasoning" done="true" duration="{reasoning_duration}">\n<summary>Thought for {reasoning_duration} seconds</summary>\n{reasoning_display_content}\n</details>\n'
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else:
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content = ""
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reasoning_start_time = None
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else:
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reasoning_display_content = "\n".join(
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(
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f"> {line}"
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if not line.startswith(">")
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else line
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)
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for line in reasoning_content.splitlines()
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)
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# Show ongoing thought process
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content = f'{ongoing_content}<details type="reasoning" done="false">\n<summary>Thinking…</summary>\n{reasoning_display_content}\n</details>\n'
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if DETECT_CODE_INTERPRETER:
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content, content_blocks = tag_content_handler(
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"code_interpreter",
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code_interpreter_tags,
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content,
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content_blocks,
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)
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if ENABLE_REALTIME_CHAT_SAVE:
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# Save message in the database
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@ -1218,12 +1281,16 @@ async def process_chat_response(
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metadata["chat_id"],
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metadata["message_id"],
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{
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"content": content,
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"content": serialize_content_blocks(
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content_blocks
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),
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},
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)
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else:
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data = {
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"content": content,
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"content": serialize_content_blocks(
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content_blocks
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),
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}
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await event_emitter(
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@ -1240,7 +1307,11 @@ async def process_chat_response(
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continue
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title = Chats.get_chat_title_by_id(metadata["chat_id"])
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data = {"done": True, "content": content, "title": title}
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data = {
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"done": True,
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"content": serialize_content_blocks(content_blocks),
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"title": title,
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}
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if not ENABLE_REALTIME_CHAT_SAVE:
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# Save message in the database
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@ -1248,7 +1319,7 @@ async def process_chat_response(
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metadata["chat_id"],
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metadata["message_id"],
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{
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"content": content,
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"content": serialize_content_blocks(content_blocks),
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},
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)
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