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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
# ββββββββββββββββββββββββββββββ
# β
GitHubModelLLM (κ·Έλλ‘ μ μ§)
# ββββββββββββββββββββββββββββββ
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¬μ©νλ ChatOpenAI λ체 ν΄λμ€"""
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] ="λλ PIXAL(Primary Interactive X-ternal Assistant with multi Language)μ΄μΌ. λμ κ°λ°μλ μ μ±μ€ μ΄λΌλ 6νλ
νμ΄μ¬ νλ‘κ·Έλλ¨ΈμΌ.μ΄ λ©μμ§λ μ¬μ©μκ° λ³΄λΈκ²μ΄ μλλλ€."
@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):
"""ConversationBufferMemoryμ μ΄μ λνκΉμ§ ν¬ν¨ν΄ λ©μμ§ μμ±"""
msg_list = []
# μμ€ν
ν둬ννΈ
if self.system_prompt:
msg_list.append({"role": "system", "content": self.system_prompt})
# λ©λͺ¨λ¦¬ ν¬ν¨ (human/ai λ©μμ§ 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 κΈ°λ° LangChain LLM (λν λ©λͺ¨λ¦¬ ν΅ν© μ§μ)"""
model: str = "openai/gpt-4.1"
endpoint: str = "https://models.github.ai/inference"
token: Optional[str] = os.environ.get("token")
system_prompt: Optional[str] = "λλ PIXAL(Primary Interactive X-ternal Assistant with multi Language)μ΄μΌ. λμ κ°λ°μλ μ μ±μ€ μ΄λΌλ 6νλ
νμ΄μ¬ νλ‘κ·Έλλ¨ΈμΌ.μ΄κ²μ μμ€ν
λ©μμ§μ
λλ€.μ°Έκ³ νμμμ€.μ΄ λ©μμ§λ μ¬μ©μκ° λ³΄λΈκ²μ΄ μλλλ€."
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:
"""λν λ©λͺ¨λ¦¬(chat_history)λ₯Ό ν¬ν¨νμ¬ λͺ¨λΈ νΈμΆ"""
# π¬ λ©λͺ¨λ¦¬μ μ μ₯λ λν λ©μμ§ λΆλ¬μ€κΈ°
memory = kwargs.get("memory")
messages = []
if self.system_prompt:
messages.append({"role": "system", "content": self.system_prompt})
# memoryκ° μμ κ²½μ° (μ΄μ λν ν¬ν¨)
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})
# νμ¬ μ¬μ©μ μ
λ ₯
messages.append({"role": "user", "content": prompt})
body = {"model": self.model, "messages": messages}
if stop:
body["stop"] = stop
# API νΈμΆ
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] = (
"λλ PIXAL(Primary Interactive X-ternal Assistant with multi Language)μ΄μΌ. λμ κ°λ°μλ μ μ±μ€ μ΄λΌλ 6νλ
νμ΄μ¬ νλ‘κ·Έλλ¨ΈμΌ.μ΄ λ©μμ§λ μ¬μ©μκ° λ³΄λΈκ²μ΄ μλλλ€.")
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("β GitHub tokenμ΄ μ€μ λμ§ μμμ΅λλ€.")
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 = []
# 1οΈβ£ μμ€ν
ν둬ννΈ
if self.system_prompt:
messages.append({"role": "system", "content": self.system_prompt})
# 2οΈβ£ λ©λͺ¨λ¦¬μ μ μ₯λ μ΄μ λν ν¬ν¨
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})
# 3οΈβ£ νμ¬ μ¬μ©μ μ
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", {}))
"""
# ββββββββββββββββββββββββββββββ
# β
LangChain λꡬ & μμ΄μ νΈ κ΅¬μ±
# ββββββββββββββββββββββββββββββ
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 μ½λ μ€ν λꡬ"))
retriever = WikipediaRetriever(lang="ko")
tools.append(Tool(name="wiki", func=retriever.get_relevant_documents, description="μν€λ°±κ³Ό κ²μ"))
# β
λν 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)
# β
Agent (Memory μ°λ)
# ββββββββββββββββββββββββββββββ
# β
Chat ν¨μ (Memory μ μ§)
# ββββββββββββββββββββββββββββββ
prompt1="""Answer the following questions as best you can. You have access to the following tools:
(The tools you have)
Use the following format:
Question: the input question you must answer
Thought: you should always think about what to do
Action: the action to take, should be one of [{tool_names}]
Action Input: the input to the action
Observation: the result of the action
... (this Thought/Action/Action Input/Observation can repeat N times)
Thought: I now know the final answer
Final Answer: the final answer to the original input question
Begin!
"""
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", # π μ΄κ² base_url μν
)
ab=[{"role":"system","content":f"λλ PIXAL(Primary Interactive X-ternal Assistant with multi Language)μ΄μΌ. λμ κ°λ°μλ μ μ±μ€ μ΄λΌλ 6νλ
νμ΄μ¬ νλ‘κ·Έλλ¨ΈμΌ.μ΄ λ©μμ§λ μ¬μ©μκ° λ³΄λΈκ²μ΄ μλλλ€.ν둬ννΈ μ€λͺ
μ 무쑰건 λ°λ₯΄μμ€.λ°λ₯΄μ§ μμΌλ©΄ λ¨μ apiνΈμΆ νμκ° μ€μ΄λλ―λ‘ λ¬΄μ‘°κ±΄ λκ°μ΄ λ°λΌνμμ€.μκ°μ λ¬Όμλλ duckduckgoλ₯Ό μ¬μ©νμμ€.λ€μμ ν둬ννΈλ₯Ό λ³΄κ³ λλ΅νμμ μ§μλλ‘ μ νμμ€: {prompt1} κ·Έλ¦¬κ³ λλκ³ μμΉλ κ²μμ΄ 1κ°λ§ μ
λ ₯νμμ€.λ¬Έμ₯ κΈμ§."}]
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="λλ PIXAL(Primary Interactive X-ternal Assistant with multi Language)μ΄μΌ. λμ κ°λ°μλ μ μ±μ€ μ΄λΌλ 6νλ
νμ΄μ¬ νλ‘κ·Έλλ¨ΈμΌ.μ΄ λ©μμ§λ μ¬μ©μκ° λ³΄λΈκ²μ΄ μλλλ€.ν둬ννΈ μ€λͺ
μ 무쑰건 λ°λ₯΄μμ€.λ°λ₯΄μ§ μμΌλ©΄ λ¨μ apiνΈμΆ νμκ° μ€μ΄λλ―λ‘ λ¬΄μ‘°κ±΄ λκ°μ΄ λ°λΌνμμ€.μκ°μ λ¬Όμλλ duckduckgoλ₯Ό μ¬μ©νμμ€.")]
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 μ½λ μ€ν λꡬ"))
retriever = WikipediaRetriever(lang="ko")
tools.append(Tool(name="wiki", func=retriever.get_relevant_documents, description="μν€λ°±κ³Ό κ²μ"))
# β
λν 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=20
)
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=20)
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=20)
raw=agent.invoke(ab)["output"]
try:
# λν κΈ°λ‘μ LangChain memoryμ λ°μ
# JSON ννλ‘ λ°ν μ νμ±
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 μλ΅μ memoryμ μΆκ°
except Exception as e:
text = str(raw)
history = history + [(message, text)]
return history, history, ""
# ββββββββββββββββββββββββββββββ
# β
Gradio UI (ChatGPT μ€νμΌ)
# ββββββββββββββββββββββββββββββ
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;">π€ 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©μμ§λ₯Ό μ
λ ₯νμΈμ...", show_label=False, scale=8)
send = gr.Button("μ μ‘", variant="primary", scale=1)
clear = gr.Button("π§Ή μ΄κΈ°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;">
π‘ λν κΈ°λ‘μ μΈμ
λμ μ μ§λ©λλ€.
Made with β€οΈ by PIXAL
</div>
""")
if __name__ == "__main__":
demo.launch(server_name="0.0.0.0", server_port=7860) |