Typed Graph-like Pipeline Builder
A pydantically typed, lightweight graph framework for Python that combines features from Langgraph with static type safety.
A community collection of nodes will be available here.
Overview
- Pydantic Typing:
Built on Pydantic and Generics for 100% strict static type safety. - Inheritance or Protocols:
Extend, specialize and join state and node classes. - Parallel Task Processing:
Multiple nodes can run simultaneously - Dual State Management:
- State with automatic change extraction and conflict detection
- Shared state accessible by all nodes, protected via explicit locking
- Flexible Routing:
Define simple node-to-node edges or dynamic routing based on functions. - Streaming:
A standardized interface for streaming data between nodes. - Hooks Interface:
Customizability and predefined interactive step-by-step debugging class. - Error Edges:
Configure node error handling in the graph.
Installation
PyPI
pip install edgygraph
Python 3.13+ is required
Example Workflow
Import Classes
from edgygraph import State, Shared, Node, START, END, Graph
import asyncio
Create a State
class MyState(State):
capslock: bool = False
Create a Node
class MyNode(Node[MyState, Shared]):
async def __call__(self, state: MyState, shared: Shared) -> None:
if state.capslock:
print("HELLO WORLD!")
else:
print("Hello World!")
Create Instances
state = MyState(capslock=True)
shared = Shared()
node = MyNode()
Create a Graph
graph = Graph[MyState, Shared](
edges=[
(
START,
node,
END,
)
]
)
Run Graph
asyncio.run(graph(state, shared))
More examples can be found in the examples folder
1 maintainer
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