f0b73441b6
Support concurrent execution in `GraphFlow`:
- Updated `BaseGroupChatManager.select_speaker` to return a union of a
single string or a list of speaker name strings and added logics to
check for currently activated speakers and only proceed to select next
speakers when all activated speakers have finished.
- Updated existing teams (e.g., `SelectorGroupChat`) with the new
signature, while still returning a single speaker in their
implementations.
- Updated `GraphFlow` to support multiple speakers selected.
- Refactored `GraphFlow` for less dictionary gymnastic by using a queue
and update using `update_message_thread`.
Example: a fan out graph:
```python
import asyncio
from autogen_agentchat.agents import AssistantAgent
from autogen_agentchat.teams import DiGraphBuilder, GraphFlow
from autogen_ext.models.openai import OpenAIChatCompletionClient
async def main():
# Initialize agents with OpenAI model clients.
model_client = OpenAIChatCompletionClient(model="gpt-4.1-nano")
agent_a = AssistantAgent("A", model_client=model_client, system_message="You are a helpful assistant.")
agent_b = AssistantAgent("B", model_client=model_client, system_message="Translate input to Chinese.")
agent_c = AssistantAgent("C", model_client=model_client, system_message="Translate input to Japanese.")
# Create a directed graph with fan-out flow A -> (B, C).
builder = DiGraphBuilder()
builder.add_node(agent_a).add_node(agent_b).add_node(agent_c)
builder.add_edge(agent_a, agent_b).add_edge(agent_a, agent_c)
graph = builder.build()
# Create a GraphFlow team with the directed graph.
team = GraphFlow(
participants=[agent_a, agent_b, agent_c],
graph=graph,
)
# Run the team and print the events.
async for event in team.run_stream(task="Write a short story about a cat."):
print(event)
asyncio.run(main())
```
Resolves:
#6541
#6533
AutoGen Python packages
This directory works as a single uv workspace containing all project packages. See packages to discover all project packages.
Migrating from 0.2.x?
Please refer to the migration guide for how to migrate your code from 0.2.x to 0.4.x.
Development
TL;DR, run all checks with:
uv sync --all-extras
source .venv/bin/activate
poe check
Setup
uv is a package manager that assists in creating the necessary environment and installing packages to run AutoGen.
Note: To prevent incompatibilities between versions the same UV version as is running in CI should be used. Check the version in CI by looking the setup-uv action, here for example.
For example, to change your version to 0.5.18, run:
uv self update 0.5.18
Virtual Environment
During development, you may need to test changes made to any of the packages.
To do so, create a virtual environment where the AutoGen packages are installed based on the current state of the directory.
Run the following commands at the root level of the Python directory:
uv sync --all-extras
source .venv/bin/activate
uv sync --all-extraswill create a.venvdirectory at the current level and install packages from the current directory along with any other dependencies. Theall-extrasflag adds optional dependencies.source .venv/bin/activateactivates the virtual environment.
Common Tasks
To create a pull request (PR), ensure the following checks are met. You can run each check individually:
- Format:
poe format - Lint:
poe lint - Test:
poe test - Mypy:
poe mypy - Pyright:
poe pyright - Build docs:
poe --directory ./packages/autogen-core/ docs-build - Auto rebuild+serve docs:
poe --directory ./packages/autogen-core/ docs-serve - Check samples in
python/samples:poe samples-code-checkAlternatively, you can run all the checks with: poe check
Note
These need to be run in the virtual environment.
Syncing Dependencies
When you pull new changes, you may need to update the dependencies.
To do so, first make sure you are in the virtual environment, and then in the python directory, run:
uv sync --all-extras
This will update the dependencies in the virtual environment.
Creating a New Package
To create a new package, similar to autogen-core or autogen-chat, use the following:
uv sync --python 3.12
source .venv/bin/activate
cookiecutter ./templates/new-package/