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david committed 2026-10-14 20:45:52 -03:00
1 parent b8baac169d
commit 9f82a0a223
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@@ -3,15 +3,18 @@ import asyncio
import base64
import hmac
import json
import os
import re # thank you claude
import ollama
import websockets
from pathlib import Path
from websockets.server import serve
from utils import nots, now_str
from utils import nots, now_str, make_chunks, pick_chunks
chatmodel = "hf.co/mradermacher/Huihui-gemma-4-E4B-it-abliterated-GGUF:IQ4_XS"
embedmodel = 'hf.co/CompendiumLabs/bge-base-en-v1.5-gguf'
RAG_THRESHOLD = 0.65 # chunks scoring under this aren't injected at all, watch the "best rag score" print and tweak it
PORT = int(os.environ.get("PORT", 8765)) # PORT=8766 python3 main.py when it runs as the fallback next to gemini.py
# resolve config relative to this script, not whatever dir it happens to get launched from
SCRIPT_DIR = Path(__file__).resolve().parent
@@ -31,6 +34,7 @@ chat_semaphore = asyncio.Semaphore(1)
# Each element in the VECTOR_DB will be a tuple (chunk, embedding)
# The embedding is a list of floats, for example: [0.1, 0.04, -0.34, 0.21, ...]
VECTOR_DB = []
rag_loaded = False # False until the bot sends longterm at least once, after a restart we ask for it
def add_chunk_to_database(chunk):
embedding = ollama.embed(model=embedmodel, input=chunk)['embeddings'][0]
@@ -49,7 +53,9 @@ def retrieve(query, top_n=5):
similarity = cosine_similarity(query_embedding, embedding)
similarities.append((chunk, similarity))
similarities.sort(key=lambda x: x[1], reverse=True)
return similarities[:top_n]
if similarities:
print(f"[{now_str()}] best rag score: {similarities[0][1]:.2f}")
return pick_chunks(similarities, top_n, RAG_THRESHOLD)
def rebuild_vector_db(longterm_lines: list[str]):
global VECTOR_DB
@@ -67,6 +73,7 @@ def rebuild_vector_db(longterm_lines: list[str]):
async def ollamachat(websocket):
global rag_loaded
# loop over every message on this connection instead of handling one and returning —
# returning from this function is what makes the websockets lib close the connection,
# which was breaking bot.py's persistent connection after every single reply
@@ -81,13 +88,17 @@ async def ollamachat(websocket):
system_prompt = payload["system_prompt"]
user_input = payload["user_input"]
shortterm = payload.get("shortterm", []) # list of strings
longterm = payload.get("longterm", []) # list of strings
longterm = payload.get("longterm", []) # list of strings, only there on a rebuild
media = payload.get("media", []) # list of {"mime_type", "data" (base64)}
# rebuild vector db if bot signals it (every 150 interactions bot sends full longterm),
# or if we come up empty but longterm isn't — e.g. we just restarted and lost VECTOR_DB
if payload.get("rebuild_vectors") or (not VECTOR_DB and longterm):
await asyncio.to_thread(rebuild_vector_db, longterm)
# if we never got longterm (just restarted, or first time as a fallback) ask for it and the bot resends
if payload.get("rebuild_vectors"):
await asyncio.to_thread(rebuild_vector_db, make_chunks(longterm))
rag_loaded = True
elif not rag_loaded:
await websocket.send(json.dumps({"need_longterm": True}))
continue
print(f"[{now_str()}] Vector DB reconciled, {len(VECTOR_DB)} chunks")
user_query = nots(user_input)
@@ -96,7 +107,7 @@ async def ollamachat(websocket):
# rag chunks go in system so they don't pollute turn history
rag_block = ""
if retrieved_knowledge:
rag_block = "\n\nOlder relevant messages for context:\n" + "\n".join(f"- {chunk}" for chunk, _ in retrieved_knowledge)
rag_block = "\n\nOlder relevant messages for context:\n" + "\n".join(f"- {chunk.replace(chr(10), ' | ')}" for chunk, _ in retrieved_knowledge)
# lines to skip — not real dialogue
skip_fragments = ("sent sticker:", "sent media:", "sent a random dm to ", "saved media:")
@@ -125,7 +136,8 @@ async def ollamachat(websocket):
text = rest.rsplit(' with reply: "', 1)[-1]
if text.endswith('"'):
text = text[:-1]
return speaker.strip(), text.strip()
target = rest[len("replied to "):].split(" saying: ", 1)[0] # keep who they were talking to, otherwise replies lose it
return speaker.strip(), f"(replying to {target}) {text.strip()}"
if rest.startswith("said: "):
return speaker.strip(), rest[len("said: "):].strip()
return None, None
@@ -161,7 +173,7 @@ async def ollamachat(websocket):
messages.append({"role": "user", "content": "\n".join(current_user_lines)})
# final isolated turn — the specific message she needs to reply to
messages.append({"role": "user", "content": f"[responding to]: {nots(user_input)}"})
messages.append({"role": "user", "content": f"[responding to]: {nots(user_input)}\n(that is the newest message and the only one you answer, the lines above are just context. only the name that starts it is speaking to you, everyone else is someone else)"})
# ollama only takes images (no audio/video/pdf), and only on the final turn so history stays text
images = [base64.b64decode(m["data"]) for m in media if m["mime_type"].startswith("image/")]
@@ -205,8 +217,8 @@ async def ollamachat(websocket):
async def main():
print(f"[{now_str()}] hosting on ws://0.0.0.0:8765")
async with serve(ollamachat, "0.0.0.0", 8765, ping_interval=None, ping_timeout=None, max_size=32 * 1024 * 1024): # default 1mb would kill any media payload
print(f"[{now_str()}] hosting on ws://0.0.0.0:{PORT}")
async with serve(ollamachat, "0.0.0.0", PORT, ping_interval=None, ping_timeout=None, max_size=32 * 1024 * 1024): # default 1mb would kill any media payload
await asyncio.Future()