add main.py
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@@ -1,94 +1,68 @@
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import os
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import json
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from dotenv import load_dotenv
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from langchain_openai import ChatOpenAI
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from langchain.tools import tool
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from duckduckgo_search import DDGS
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from agent_core import DeepAgent
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from tools import web_search, create_virtual_file, list_virtual_files, export_files
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# LLM configuration
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# Load environment variables
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load_dotenv()
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# LLM initialization
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llm = ChatOpenAI(
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model="openai/gpt-oss-20b:free",
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base_url="https://platform.brojs.ru/jrnl-bh/api/inference/v1",
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api_key=os.getenv("JOURNAL_MCP_PAT"),
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temperature=0.5,
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temperature=0.3,
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)
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# Simple virtual file system
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class VirtualFileSystem:
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def __init__(self):
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self.files = {}
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def write(self, path: str, content: str):
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self.files[path] = content
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def list(self):
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return list(self.files.keys())
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def dump_to_real_fs(self, base_dir: str = "."):
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for path, content in self.files.items():
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full_path = os.path.join(base_dir, path)
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os.makedirs(os.path.dirname(full_path), exist_ok=True)
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with open(full_path, "w", encoding="utf-8") as f:
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f.write(content)
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# Tool for web search using duckduckgo
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@tool
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def web_search(query: str) -> str:
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"""Search the web for a query and return top 3 results as a formatted string."""
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try:
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with DDGS() as ddgs:
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results = list(ddgs.text(query, max_results=3))
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if not results:
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return "No results found."
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formatted = []
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for i, r in enumerate(results, 1):
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formatted.append(f"{i}. {r['title']}\n{r['body']}\nURL: {r['href']}")
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return "\n\n".join(formatted)
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except Exception as e:
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return f"Search error: {e}"
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# Deep agent implementation
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class DeepAgent:
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def __init__(self, llm, tools):
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# Helper to wrap the LLM callable expected by DeepAgent
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class LLMWrapper:
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def __init__(self, llm):
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self.llm = llm
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self.tools = {t.__name__: t for t in tools}
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self.vfs = VirtualFileSystem()
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def __call__(self, messages):
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# langchain returns a list of Message objects; convert to dict
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# For simplicity, we use the first assistant message content
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response = self.llm(messages)
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# The wrapper expects a dict with 'content'
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return {"content": response["content"]}
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def run(self, prompt: str):
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# Initial system message
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system_msg = "You are a helpful assistant that can search the web and create virtual files."
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# Build conversation
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messages = [system_msg, prompt]
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# Simple loop: ask for tool usage
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while True:
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# Ask LLM for next action
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response = self.llm.invoke(messages)
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text = response.content.strip()
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if text.lower().startswith("search:"):
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query = text[7:].strip()
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result = web_search(query)
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self.vfs.write(f"search_{query.replace(' ', '_')}.txt", result)
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messages.append(f"Search result for '{query}' written to virtual file.")
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elif text.lower().startswith("create file:"):
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parts = text[12:].strip().split("::", 1)
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if len(parts) == 2:
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path, content = parts
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self.vfs.write(path.strip(), content.strip())
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messages.append(f"File '{path.strip()}' created.")
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else:
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messages.append("Invalid create file syntax. Use 'create file: path::content'.")
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elif text.lower() == "done":
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break
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else:
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messages.append(text)
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# Dump virtual files to real filesystem
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self.vfs.dump_to_real_fs()
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return "Agent finished. Files written to disk."
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llm_wrapper = LLMWrapper(llm)
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# Instantiate agent with tools
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agent = DeepAgent(llm_wrapper, [web_search, create_virtual_file, list_virtual_files, export_files])
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# Example tasks
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TASKS = [
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{
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"description": "Найди информацию о LangGraph и создай файл summary.md",
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"query": "LangGraph python framework",
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"filename": "summary.md",
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},
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{
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"description": "Найди топ-5 Python библиотек для работы с LLM и создай файл llm_libs.md",
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"query": "top python libraries for llm",
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"filename": "llm_libs.md",
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},
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{
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"description": "Найди что такое ReAct агент и создай файл react_agent.md",
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"query": "ReAct agent definition",
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"filename": "react_agent.md",
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},
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]
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for task in TASKS:
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print(f"\n=== {task['description']} ===")
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# Step 1: search
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search_result = agent.run(task["query"])
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# Step 2: create file with search result
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create_msg = agent.run(f"create_virtual_file {task['filename']} | {search_result}")
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print(create_msg)
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# Export all virtual files to disk
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export_msg = agent.run("export_files output")
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print(export_msg)
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if __name__ == "__main__":
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agent = DeepAgent(llm, tools=[web_search])
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# Example usage: search for LangChain and create a file
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user_prompt = (
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"Search for 'LangChain deep agent' and create a file named 'summary.txt' with the first search result."
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)
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result = agent.run(user_prompt)
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print(result)
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# The script already executed tasks above; nothing else needed.
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pass
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