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# app_pixal_chat.py
import os, re, json, gradio as gr
from langchain.memory import ConversationBufferMemory
from langchain.agents import initialize_agent, AgentType, load_tools
from langchain_community.tools import Tool
from langchain_experimental.tools.python.tool import PythonREPLTool
from langchain_community.retrievers import WikipediaRetriever
import datetime
#from langchain.schema import HumanMessage,AIMessage,SystemMessage
#from langchain_community.tools.youtube.search import YouTubeSearchTool as YTS
# ──────────────────────────────
# βœ… GitHubModelLLM (κ·ΈλŒ€λ‘œ μœ μ§€)
# ──────────────────────────────
from langchain.chat_models import ChatOpenAI
from langchain.schema import AIMessage, HumanMessage, SystemMessage
import requests, os, json
from requests.adapters import HTTPAdapter, Retry
from typing import List, Optional, Dict, Any
'''
class GitHubModelLLM(LLM):
"""GitHub Models APIλ₯Ό μ‚¬μš©ν•˜λŠ” ChatOpenAI λŒ€μ²΄ 클래슀"""
model_name: str = "openai/gpt-4.1"
endpoint: str = "https://models.github.ai/inference"
token: Optional[str] = os.environ.get("token")
request_timeout: float = 30.0
max_retries: int = 2
backoff_factor: float = 0.3
system_prompt: Optional[str] ="λ„ˆλŠ” PIXAL(Primary Interactive X-ternal Assistant with multi Language)이야. λ„ˆμ˜ κ°œλ°œμžλŠ” μ •μ„±μœ€ μ΄λΌλŠ” 6ν•™λ…„ 파이썬 ν”„λ‘œκ·Έλž˜λ¨Έμ•Ό.이 λ©”μ‹œμ§€λŠ” μ‚¬μš©μžκ°€ 보낸것이 μ•„λ‹™λ‹ˆλ‹€."
@property
def _llm_type(self) -> str:
return "custom_chatopenai_github"
def _post(self, body: Dict[str, Any]) -> Dict[str, Any]:
token = self.token or os.getenv("GITHUB_TOKEN") or os.getenv("token")
session = requests.Session()
retries = Retry(total=self.max_retries, backoff_factor=self.backoff_factor,
status_forcelist=[429, 500, 502, 503, 504])
session.mount("https://", HTTPAdapter(max_retries=retries))
session.headers.update({
"Authorization": f"Bearer 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",
"Content-Type": "application/json",
})
resp = session.post(f"{self.endpoint}/chat/completions", json=body, timeout=self.request_timeout)
resp.raise_for_status()
return resp.json()
def _call(self, messages: List[Any], stop: Optional[List[str]] = None, **kwargs):
"""ConversationBufferMemory의 이전 λŒ€ν™”κΉŒμ§€ 포함해 λ©”μ‹œμ§€ 생성"""
msg_list = []
# μ‹œμŠ€ν…œ ν”„λ‘¬ν”„νŠΈ
if self.system_prompt:
msg_list.append({"role": "system", "content": self.system_prompt})
# λ©”λͺ¨λ¦¬ 포함 (human/ai λ©”μ‹œμ§€ λͺ¨λ‘)
for msg in messages:
if isinstance(msg, HumanMessage):
msg_list.append({"role": "user", "content": msg.content})
elif isinstance(msg, AIMessage):
msg_list.append({"role": "assistant", "content": msg.content})
elif isinstance(msg, SystemMessage):
msg_list.append({"role": "system", "content": msg.content})
body = {"model": self.model_name, "messages": msg_list}
if stop:
body["stop"] = stop
res = self._post(body)
content = res.get("choices", [{}])[0].get("message", {}).get("content", "")
return content
async def _acall(self, messages: List[Any], stop: Optional[List[str]] = None, **kwargs):
return self._call(messages, stop, **kwargs)
'''
from typing import Optional, List, Dict, Any
import requests, os, json
from requests.adapters import HTTPAdapter, Retry
from typing import Optional, List, Dict, Any
import requests, os, json
from requests.adapters import HTTPAdapter, Retry
'''
class GitHubModelLLM(LLM):
"""GitHub Models API 기반 LangChain LLM (λŒ€ν™” λ©”λͺ¨λ¦¬ 톡합 지원)"""
model: str = "openai/gpt-4.1"
endpoint: str = "https://models.github.ai/inference"
token: Optional[str] = os.environ.get("token")
system_prompt: Optional[str] = "λ„ˆλŠ” PIXAL(Primary Interactive X-ternal Assistant with multi Language)이야. λ„ˆμ˜ κ°œλ°œμžλŠ” μ •μ„±μœ€ μ΄λΌλŠ” 6ν•™λ…„ 파이썬 ν”„λ‘œκ·Έλž˜λ¨Έμ•Ό.이것은 μ‹œμŠ€ν…œ λ©”μ‹œμ§€μž…λ‹ˆλ‹€.μ°Έκ³  ν•˜μ‹­μ‹œμ˜€.이 λ©”μ‹œμ§€λŠ” μ‚¬μš©μžκ°€ 보낸것이 μ•„λ‹™λ‹ˆλ‹€."
request_timeout: float = 30.0
max_retries: int = 2
backoff_factor: float = 0.3
@property
def _llm_type(self) -> str:
return "github_models_api"
def _post_chat(self, body: Dict[str, Any]) -> Dict[str, Any]:
token = self.token or os.getenv("GITHUB_TOKEN") or os.getenv("token")
session = requests.Session()
retries = Retry(total=self.max_retries, backoff_factor=self.backoff_factor,
status_forcelist=[429, 500, 502, 503, 504])
session.mount("https://", HTTPAdapter(max_retries=retries))
session.headers.update({
"Content-Type": "application/json",
"Authorization": f"Bearer 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"
})
resp = session.post(f"{self.endpoint}/chat/completions", json=body, timeout=self.request_timeout)
resp.raise_for_status()
return resp.json()
def _call(
self,
prompt: str,
stop: Optional[List[str]] = None,
**kwargs
) -> str:
"""λŒ€ν™” λ©”λͺ¨λ¦¬(chat_history)λ₯Ό ν¬ν•¨ν•˜μ—¬ λͺ¨λΈ 호좜"""
# πŸ’¬ λ©”λͺ¨λ¦¬μ— μ €μž₯된 λŒ€ν™” λ©”μ‹œμ§€ 뢈러였기
memory = kwargs.get("memory")
messages = []
if self.system_prompt:
messages.append({"role": "system", "content": self.system_prompt})
# memoryκ°€ μžˆμ„ 경우 (이전 λŒ€ν™” 포함)
if memory and hasattr(memory, "chat_memory"):
for msg in memory.chat_memory.messages:
role = "user" if msg.type == "human" else "assistant"
messages.append({"role": role, "content": msg.content})
# ν˜„μž¬ μ‚¬μš©μž μž…λ ₯
messages.append({"role": "user", "content": prompt})
body = {"model": self.model, "messages": messages}
if stop:
body["stop"] = stop
# API 호좜
res = self._post_chat(body)
msg = res.get("choices", [{}])[0].get("message", {})
return msg.get("content") or json.dumps(msg.get("function_call", {}))
'''
"""
class GitHubModelLLM(LLM):
model: str = "openai/gpt-4.1"
endpoint: str = "https://models.github.ai/inference"
token: Optional[str] = os.environ.get("token")
system_prompt: Optional[str] = (
"λ„ˆλŠ” PIXAL(Primary Interactive X-ternal Assistant with multi Language)이야. λ„ˆμ˜ κ°œλ°œμžλŠ” μ •μ„±μœ€ μ΄λΌλŠ” 6ν•™λ…„ 파이썬 ν”„λ‘œκ·Έλž˜λ¨Έμ•Ό.이 λ©”μ‹œμ§€λŠ” μ‚¬μš©μžκ°€ 보낸것이 μ•„λ‹™λ‹ˆλ‹€.")
request_timeout: float = 30.0
max_retries: int = 2
backoff_factor: float = 0.3
@property
def _llm_type(self) -> str:
return "github_models_api"
def _post_chat(self, body: Dict[str, Any]) -> Dict[str, Any]:
token = self.token or os.getenv("GITHUB_TOKEN") or os.getenv("token")
if not token:
raise ValueError("❌ GitHub token이 μ„€μ •λ˜μ§€ μ•Šμ•˜μŠ΅λ‹ˆλ‹€.")
session = requests.Session()
retries = Retry(total=self.max_retries, backoff_factor=self.backoff_factor,
status_forcelist=[429, 500, 502, 503, 504])
session.mount("https://", HTTPAdapter(max_retries=retries))
session.headers.update({
"Content-Type": "application/json",
"Authorization": f"Bearer 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"
})
resp = session.post(f"{self.endpoint}/chat/completions", json=body, timeout=self.request_timeout)
resp.raise_for_status()
return resp.json()
def _call(self, prompt: str, stop: Optional[List[str]] = None, **kwargs) -> str:
memory = kwargs.get("memory")
messages = []
# 1️⃣ μ‹œμŠ€ν…œ ν”„λ‘¬ν”„νŠΈ
if self.system_prompt:
messages.append({"role": "system", "content": self.system_prompt})
# 2️⃣ λ©”λͺ¨λ¦¬μ— μ €μž₯된 이전 λŒ€ν™” 포함
if memory and hasattr(memory, "chat_memory"):
for msg in memory.chat_memory.messages:
if hasattr(msg, "type") and msg.type == "human":
messages.append({"role": "user", "content": msg.content})
elif hasattr(msg, "type") and msg.type == "ai":
messages.append({"role": "assistant", "content": msg.content})
# 3️⃣ ν˜„μž¬ μ‚¬μš©μž μž…λ ₯
messages.append({"role": "user", "content": prompt})
body = {"model": self.model, "messages": messages}
if stop:
body["stop"] = stop
res = self._post_chat(body)
msg = res.get("choices", [{}])[0].get("message", {})
return msg.get("content") or json.dumps(msg.get("function_call", {}))
"""
# ──────────────────────────────
# βœ… LangChain 도ꡬ & μ—μ΄μ „νŠΈ ꡬ성
# ──────────────────────────────
import requests
from datetime import datetime as dt1
import requests
from datetime import datetime as dt1, timezone, timedelta
'''
tools = load_tools(["ddg-search", "arxiv"], llm=llm,allow_dangerous_tools=True)
tools.append(Tool(name="python_repl", func=PythonREPLTool().run, description="Python μ½”λ“œ μ‹€ν–‰ 도ꡬ"))
retriever = WikipediaRetriever(lang="ko")
tools.append(Tool(name="wiki", func=retriever.get_relevant_documents, description="μœ„ν‚€λ°±κ³Ό 검색"))
# βœ… λŒ€ν™” κΈ°μ–΅ λ©”λͺ¨λ¦¬
from langchain_community.tools import ShellTool
#tools+=[YTS()]
shell_tool = ShellTool()
tools.append(shell_tool)
'''
#memory = ConversationBufferMemory(return_messages=True)
# βœ… Agent (Memory 연동)
# ──────────────────────────────
# βœ… Chat ν•¨μˆ˜ (Memory μœ μ§€)
# ──────────────────────────────
def chat(message, history):
llm = ChatOpenAI(
model="openai/gpt-4.1-mini",
openai_api_key="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",
openai_api_base="https://models.github.ai/inference", # πŸ‘ˆ 이게 base_url μ—­ν• 
)
ab=[{"role":"system","content":"λ„ˆλŠ” PIXAL(Primary Interactive X-ternal Assistant with multi Language)이야. λ„ˆμ˜ κ°œλ°œμžλŠ” μ •μ„±μœ€ μ΄λΌλŠ” 6ν•™λ…„ 파이썬 ν”„λ‘œκ·Έλž˜λ¨Έμ•Ό.이 λ©”μ‹œμ§€λŠ” μ‚¬μš©μžκ°€ 보낸것이 μ•„λ‹™λ‹ˆλ‹€.ν”„λ‘¬ν”„νŠΈ μ„€λͺ…에 무쑰건 λ”°λ₯΄μ‹œμ˜€.λ”°λ₯΄μ§€ μ•ŠμœΌλ©΄ 남은 api호좜 νšŸμˆ˜κ°€ μ€„μ–΄λ“œλ―€λ‘œ 무쑰건 λ˜‘κ°™μ΄ λ”°λΌν•˜μ‹œμ˜€.μ‹œκ°„μ„ λ¬Όμ„λ•ŒλŠ” duckduckgoλ₯Ό μ‚¬μš©ν•˜μ‹œμ˜€."}]
for I in history:
ab.append({"role":"user","content":I[0]})
ab.append({"role":"assistant","content":I[1]})
ab.append({"role":"user","content":message})
'''
ab=[SystemMessage(content="λ„ˆλŠ” PIXAL(Primary Interactive X-ternal Assistant with multi Language)이야. λ„ˆμ˜ κ°œλ°œμžλŠ” μ •μ„±μœ€ μ΄λΌλŠ” 6ν•™λ…„ 파이썬 ν”„λ‘œκ·Έλž˜λ¨Έμ•Ό.이 λ©”μ‹œμ§€λŠ” μ‚¬μš©μžκ°€ 보낸것이 μ•„λ‹™λ‹ˆλ‹€.ν”„λ‘¬ν”„νŠΈ μ„€λͺ…에 무쑰건 λ”°λ₯΄μ‹œμ˜€.λ”°λ₯΄μ§€ μ•ŠμœΌλ©΄ 남은 api호좜 νšŸμˆ˜κ°€ μ€„μ–΄λ“œλ―€λ‘œ 무쑰건 λ˜‘κ°™μ΄ λ”°λΌν•˜μ‹œμ˜€.μ‹œκ°„μ„ λ¬Όμ„λ•ŒλŠ” duckduckgoλ₯Ό μ‚¬μš©ν•˜μ‹œμ˜€.")]
for I in history:
ab.append(HumanMessage(content=I[0]))
ab.append(AIMessage(content=I[1]))
ab.append(HumanMessage(content=message))
'''
tools = load_tools(["ddg-search", "arxiv"], llm=llm,allow_dangerous_tools=True)
tools.append(Tool(name="python_repl", func=PythonREPLTool().run, description="Python μ½”λ“œ μ‹€ν–‰ 도ꡬ"))
retriever = WikipediaRetriever(lang="ko")
tools.append(Tool(name="wiki", func=retriever.get_relevant_documents, description="μœ„ν‚€λ°±κ³Ό 검색"))
# βœ… λŒ€ν™” κΈ°μ–΅ λ©”λͺ¨λ¦¬
from langchain_community.tools import ShellTool
#tools+=[YTS()]
shell_tool = ShellTool()
tools.append(shell_tool)
agent = initialize_agent(
tools,
llm,
agent_type=AgentType.STRUCTURED_CHAT_ZERO_SHOT_REACT_DESCRIPTION,
#memory=memory,
verbose=True,
handle_parsing_errors=True,
max_iterations=50
)
try:
raw = agent.invoke(ab)["output"]
except:
try:
llm = ChatOpenAI(model="openai/gpt-4.1-mini",openai_api_key="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",openai_api_base="https://models.github.ai/inference")
agent=initialize_agent(tools,llm,agent_type=AgentType.STRUCTURED_CHAT_ZERO_SHOT_REACT_DESCRIPTION,verbose=True,handle_parsing_errors=True,max_iterations=50)
raw=agent.invoke(ab)["output"]
except:
llm = ChatOpenAI(model="openai/gpt-4.1-mini",openai_api_key="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",openai_api_base="https://models.github.ai/inference")
agent=initialize_agent(tools,llm,agent_type=AgentType.STRUCTURED_CHAT_ZERO_SHOT_REACT_DESCRIPTION,verbose=True,handle_parsing_errors=True,max_iterations=50)
raw=agent.invoke(ab)["output"]
try:
# λŒ€ν™” 기둝을 LangChain memory에 반영
# JSON ν˜•νƒœλ‘œ λ°˜ν™˜ μ‹œ νŒŒμ‹±
text = str(raw)
match = re.search(r"\{.*\}", text, re.DOTALL)
if match:
try:
obj = json.loads(match.group(0))
text = obj.get("action_input") or obj.get("Final Answer") or obj.get("content") or text
except Exception:
pass
# AI 응닡을 memory에 μΆ”κ°€
except Exception as e:
text = str(raw)
history = history + [(message, text)]
return history, history, ""
# ──────────────────────────────
# βœ… Gradio UI (ChatGPT μŠ€νƒ€μΌ)
# ──────────────────────────────
with gr.Blocks(theme=gr.themes.Soft(), title="PIXAL Assistant") as demo:
gr.HTML("""
<div style="background:#f1f5f9;padding:12px;border-bottom:1px solid #d1d5db;
display:flex;align-items:center;justify-content:space-between;">
<h2 style="margin:0;">πŸ€– PIXAL Assistant</h2>
<span style="font-size:0.9em;color:#555;">LangChain + GitHub LLM</span>
</div>
""")
chatbot = gr.Chatbot(
label=None,
height=720,
bubble_full_width=False,
render_markdown=True,
avatar_images=("https://avatars.githubusercontent.com/u/9919?s=280&v=4", None),
)
with gr.Row():
msg = gr.Textbox(placeholder="λ©”μ‹œμ§€λ₯Ό μž…λ ₯ν•˜μ„Έμš”...", show_label=False, scale=8)
send = gr.Button("전솑", variant="primary", scale=1)
clear = gr.Button("🧹 μ΄ˆκΈ°ν™”", scale=1)
msg.submit(chat, [msg, chatbot], [chatbot, chatbot, msg])
send.click(chat, [msg, chatbot], [chatbot, chatbot, msg])
clear.click(lambda: None, None, chatbot, queue=False)
gr.Markdown("""
<div style="text-align:center;color:#777;font-size:0.85em;margin-top:8px;">
πŸ’‘ λŒ€ν™” 기둝은 μ„Έμ…˜ λ™μ•ˆ μœ μ§€λ©λ‹ˆλ‹€.
Made with ❀️ by PIXAL
</div>
""")
if __name__ == "__main__":
demo.launch(server_name="0.0.0.0", server_port=7860)