Load Workflow from Database

Demonstrates loading a workflow from the database by ID and running it.

get_workflow.py

"""
Load Workflow from Database
===========================

Demonstrates loading a workflow from the database by ID and running it.
"""

from agno.db.postgres import PostgresDb
from agno.workflow.workflow import get_workflow_by_id, get_workflows  # noqa: F401

# ---------------------------------------------------------------------------
# Create Database Client
# ---------------------------------------------------------------------------
db = PostgresDb(db_url="postgresql+psycopg://ai:ai@localhost:5532/ai")

# ---------------------------------------------------------------------------
# Run Workflow Load Example
# ---------------------------------------------------------------------------
if __name__ == "__main__":
    workflow = get_workflow_by_id(db=db, id="content-creation-workflow")

    if workflow:
        workflow.print_response(input="AI trends in 2024", markdown=True)
    else:
        print("Workflow not found")

    # You can also get all workflows from the database
    # workflows = get_workflows(db=db)
    # for workflow in workflows:
    #     print(workflow)

Run the Example

1. Set up your virtual environment

   Mac

   uv venv --python 3.12
   source .venv/bin/activate
   

   uv venv --python 3.12
   .venv\Scripts\activate
   
2. Install dependencies

   uv pip install -U agno fastapi psycopg-binary sqlalchemy
   
3. Run PgVector

   docker run -d \
     -e POSTGRES_DB=ai \
     -e POSTGRES_USER=ai \
     -e POSTGRES_PASSWORD=ai \
     -e PGDATA=/var/lib/postgresql/data/pgdata \
     -v pgvolume:/var/lib/postgresql/data \
     -p 5532:5432 \
     --name pgvector \
     agnohq/pgvector:18
   
4. Run the example

   Save the code above as get_workflow.py, then run:

   python get_workflow.py
   

Full source: cookbook/93_components/get_workflow.py