pylemura 1.2.0

Provider-agnostic agentic AI runtime for Python — Python portage of lemura

pylemura

A provider-agnostic, premium agentic AI runtime for Python.

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🚀 v1.1.0 is available. Read the Release Notes.

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pylemura is a robust, provider-agnostic Python package designed to encapsulate a full agentic AI runtime. It simplifies the complex orchestration of LLMs, tools, and context management into a single, cohesive interface. It is the official Python portage of lemura.

✨ Key Features

• 🧠 Dynamic Skill Market: Switch skills on/off at runtime via tags, names, or tool dependencies.
• 🗺️ Continuation Planning: Multi-step tool chains with parallel execution and conditional logic.
• 🎯 Intelligent Goal Maintenance: LLM-powered sub-goal decomposition and status tracking.
• 🔌 MCP Support: Native Model Context Protocol integration for connecting to external tool servers.
• 🛡️ Tool Firewall: Fully integrated ask/accept/deny policy layer for security.
• ⚡ Parallel Tool Calls: Execute independent tools concurrently for reduced latency.
• 🧹 Summary Injection: Ensures the model never "forgets" what was compressed away.
• 📊 Enhanced Observability: Detailed tracing, token tracking, and execution budget enforcement.
• 🌊 Native Streaming: Full async generator support for token-by-token completion.
• 📦 Zero Dependencies: Core runtime runs on the Python standard library only.

🚀 Install

pip install pylemura

⚙️ Environment Variables

The built-in OpenAICompatibleAdapter can be configured using environment variables. To load them from a .env file, you can use python-dotenv:

pip install python-dotenv

Then at the very top of your entry point:

from dotenv import load_dotenv
load_dotenv()

Create a .env file in your project root:

# Provider Configuration (OpenAI, Groq, Together, Ollama, etc.)
LEMURA_API_KEY=your_api_key_here
LEMURA_BASE_URL=https://api.openai.com/v1
LEMURA_MODEL=gpt-4o-mini

# Fallbacks (Lemura also checks standard OpenAI variables)
OPENAI_API_KEY=your_api_key_here
OPENAI_BASE_URL=https://api.openai.com/v1
OPENAI_MODEL=gpt-4o-mini

⚡ Quick Start

import asyncio
from pylemura import SessionManager, OpenAICompatibleAdapter

async def main():
    adapter = OpenAICompatibleAdapter(
        base_url="https://api.openai.com/v1",
        api_key="your_api_key_here",
        default_model="gpt-4o-mini"
    )

    session = SessionManager(
        adapter=adapter,
        model="gpt-4o-mini",
        max_tokens=100000,
    )

    response = await session.run("What is lemura?")
    print(response)

if __name__ == "__main__":
    asyncio.run(main())

🧠 Core Concepts

Explore the architecture and advanced capabilities of lemura at lemura.makix.fr:

• 🏁 Getting Started — Fundamental setup and concepts.
• 🧹 Context Management — Advanced compression strategies.
• 🔌 Adapters — Connecting to OpenAI, Groq, Anthropic, and more.
• 🛠️ Tools and Skills — Extending agent capabilities.
• 🎛️ Media Bridge — ASR, TTS, vision, and image generation.
• ⚡ Advanced Execution — Goal planning and continuation.

📦 API Overview

Component	Description
SessionManager	The main entry point orchestrating the ReAct loop and tools.
ContextManager	Manages the conversation history using compression strategies.
OpenAICompatibleAdapter	Reference adapter for OpenAI, Groq, Together, etc.
ToolRegistry	Registers and executes tools for the agent.
SkillInjector	Loads and formats YAML/Markdown skills into system prompts.
DefaultLogger	Colorized logger with Problem/Hints metadata support.

🪵 Logging and Tracing

pylemura features a premium, structured logging system designed for developer experience. It provides colorized output and actionable hints for errors.

from pylemura import SessionManager, DefaultLogger, LogLevel

logger = DefaultLogger()
logger.set_level(LogLevel.DEBUG) # Set to show trace-level information

session = SessionManager(
    adapter=adapter,
    model="gpt-4o-mini",
    max_tokens=100000,
    logger=logger # Inject the logger
)

🔌 Provider Adapters

pylemura interacts with LLMs exclusively through the IProviderAdapter interface, ensuring zero lock-in.

Adapter	Status	Description
OpenAICompatibleAdapter	✅ Built-in	Wrapper for OpenAI and API-compatible endpoints.

🤝 Contributing

We welcome contributions! Please refer to the TypeScript version's guidelines for general principles.

📄 License

Distributed under the MIT License. See LICENSE for more information.