mirror of
https://github.com/trustgraph-ai/trustgraph.git
synced 2026-07-23 20:21:03 +02:00
309 lines
8.5 KiB
Python
309 lines
8.5 KiB
Python
"""
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Uses the agent service to answer a question
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"""
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import argparse
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import os
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import textwrap
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import uuid
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import asyncio
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import json
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from websockets.asyncio.client import connect
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default_url = os.getenv("TRUSTGRAPH_URL", 'ws://localhost:8088/')
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default_user = 'trustgraph'
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default_collection = 'default'
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class Outputter:
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def __init__(self, width=75, prefix="> "):
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self.width = width
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self.prefix = prefix
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self.column = 0
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self.word_buffer = ""
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self.just_wrapped = False
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def __enter__(self):
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return self
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def __exit__(self, exc_type, exc_val, exc_tb):
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# Flush remaining word buffer
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if self.word_buffer:
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print(self.word_buffer, end="", flush=True)
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self.column += len(self.word_buffer)
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self.word_buffer = ""
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# Add final newline if not at line start
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if self.column > 0:
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print(flush=True)
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self.column = 0
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def output(self, text):
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for char in text:
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# Handle whitespace (space/tab)
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if char in (' ', '\t'):
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# Flush word buffer if present
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if self.word_buffer:
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# Check if word + space would exceed width
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if self.column + len(self.word_buffer) + 1 > self.width:
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# Wrap: newline + prefix
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print(flush=True)
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print(self.prefix, end="", flush=True)
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self.column = len(self.prefix)
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self.just_wrapped = True
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# Output word buffer
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print(self.word_buffer, end="", flush=True)
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self.column += len(self.word_buffer)
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self.word_buffer = ""
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# Output the space
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print(char, end="", flush=True)
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self.column += 1
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self.just_wrapped = False
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# Handle newline
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elif char == '\n':
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if self.just_wrapped:
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# Skip this newline (already wrapped)
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self.just_wrapped = False
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else:
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# Flush word buffer if any
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if self.word_buffer:
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print(self.word_buffer, end="", flush=True)
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self.word_buffer = ""
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# Output newline + prefix
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print(flush=True)
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print(self.prefix, end="", flush=True)
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self.column = len(self.prefix)
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self.just_wrapped = False
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# Regular character - add to word buffer
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else:
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self.word_buffer += char
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self.just_wrapped = False
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def wrap(text, width=75):
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if text is None: text = "n/a"
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out = textwrap.wrap(
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text, width=width
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)
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return "\n".join(out)
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def output(text, prefix="> ", width=78):
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out = textwrap.indent(
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text, prefix=prefix
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)
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print(out)
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async def question(
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url, question, flow_id, user, collection,
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plan=None, state=None, group=None, verbose=False, streaming=True
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):
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if not url.endswith("/"):
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url += "/"
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url = url + "api/v1/socket"
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if verbose:
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output(wrap(question), "\U00002753 ")
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print()
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# Track last chunk type and accumulated text for current message
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last_chunk_type = None
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current_message = ""
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def think(x):
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if verbose:
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output(wrap(x), "\U0001f914 ")
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print()
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def observe(x):
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if verbose:
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output(wrap(x), "\U0001f4a1 ")
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print()
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mid = str(uuid.uuid4())
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async with connect(url) as ws:
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req = {
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"id": mid,
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"service": "agent",
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"flow": flow_id,
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"request": {
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"question": question,
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"user": user,
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"history": [],
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"streaming": streaming
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}
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}
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# Only add optional fields if they have values
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if state is not None:
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req["request"]["state"] = state
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if group is not None:
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req["request"]["group"] = group
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req = json.dumps(req)
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await ws.send(req)
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while True:
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msg = await ws.recv()
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obj = json.loads(msg)
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if "error" in obj:
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raise RuntimeError(obj["error"])
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if obj["id"] != mid:
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print("Ignore message")
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continue
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response = obj["response"]
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# Handle streaming format (new format with chunk_type)
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if "chunk_type" in response:
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chunk_type = response["chunk_type"]
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content = response.get("content", "")
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# Check if we're switching to a new message type
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if last_chunk_type != chunk_type:
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# When switching message types, flush accumulated message
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if current_message:
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if last_chunk_type == "thought":
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think(current_message)
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elif last_chunk_type == "observation":
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observe(current_message)
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elif last_chunk_type == "answer":
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print(current_message)
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if not current_message.endswith('\n'):
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print()
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current_message = ""
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last_chunk_type = chunk_type
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# Accumulate content for current message type
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current_message += content
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else:
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# Handle legacy format (backward compatibility)
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if "thought" in response:
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think(response["thought"])
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if "observation" in response:
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observe(response["observation"])
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if "answer" in response:
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print(response["answer"])
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if "error" in response:
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raise RuntimeError(response["error"])
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if obj["complete"]:
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# Flush any remaining message
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if current_message:
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if last_chunk_type == "thought":
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think(current_message)
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elif last_chunk_type == "observation":
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observe(current_message)
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elif last_chunk_type == "answer":
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print(current_message)
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if not current_message.endswith('\n'):
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print()
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break
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await ws.close()
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def main():
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parser = argparse.ArgumentParser(
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prog='tg-invoke-agent',
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description=__doc__,
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)
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parser.add_argument(
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'-u', '--url',
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default=default_url,
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help=f'API URL (default: {default_url})',
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)
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parser.add_argument(
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'-f', '--flow-id',
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default="default",
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help=f'Flow ID (default: default)'
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)
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parser.add_argument(
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'-q', '--question',
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required=True,
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help=f'Question to answer',
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)
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parser.add_argument(
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'-U', '--user',
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default=default_user,
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help=f'User ID (default: {default_user})'
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)
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parser.add_argument(
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'-C', '--collection',
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default=default_collection,
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help=f'Collection ID (default: {default_collection})'
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)
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parser.add_argument(
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'-l', '--plan',
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help=f'Agent plan (default: unspecified)'
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)
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parser.add_argument(
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'-s', '--state',
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help=f'Agent initial state (default: unspecified)'
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)
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parser.add_argument(
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'-g', '--group',
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nargs='+',
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help='Agent tool groups (can specify multiple)'
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)
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parser.add_argument(
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'-v', '--verbose',
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action="store_true",
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help=f'Output thinking/observations'
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)
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parser.add_argument(
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'--no-streaming',
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action="store_true",
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help=f'Disable streaming (use legacy mode)'
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)
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args = parser.parse_args()
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try:
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asyncio.run(
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question(
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url = args.url,
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flow_id = args.flow_id,
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question = args.question,
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user = args.user,
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collection = args.collection,
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plan = args.plan,
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state = args.state,
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group = args.group,
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verbose = args.verbose,
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streaming = not args.no_streaming,
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)
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)
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except Exception as e:
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print("Exception:", e, flush=True)
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if __name__ == "__main__":
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main()
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