dograh/examples/python/build_workflow_with_sdk.py
nuthalapativarun 2a92406f02
feat(examples): add multi-node Workflow SDK example in Python and TypeScript (#440)
* feat(examples): add multi-node Workflow SDK example in Python and TypeScript

Closes #369

* docs: preserve workflow name in SDK build examples

---------

Co-authored-by: Abhishek Kumar <abhishek@a6k.me>
2026-06-18 15:13:10 +05:30

101 lines
3.2 KiB
Python

"""Build a multi-node voice agent using the Workflow SDK and save it as a draft.
Requirements:
pip install -r requirements.txt
Environment variables (loaded from `.env` in this directory):
DOGRAH_API_ENDPOINT - Dograh API base URL (e.g. http://localhost:8000)
DOGRAH_API_TOKEN - API token sent as X-API-Key
Run:
python build_workflow_with_sdk.py
"""
from __future__ import annotations
import os
import sys
from pathlib import Path
from dotenv import load_dotenv
from dograh_sdk import DograhClient, Workflow
load_dotenv(Path(__file__).parent / ".env")
# Replace with the numeric ID of an existing agent in your Dograh account.
# Create one via the UI or with create_workflow.py if you don't have one yet.
WORKFLOW_ID = 0
def main() -> int:
api_endpoint = os.environ.get("DOGRAH_API_ENDPOINT", "http://localhost:8000")
api_token = os.environ.get("DOGRAH_API_TOKEN")
if not api_token:
print("DOGRAH_API_TOKEN is required", file=sys.stderr)
return 1
if WORKFLOW_ID == 0:
print("Set WORKFLOW_ID at the top of this file to an existing workflow ID", file=sys.stderr)
return 1
with DograhClient(base_url=api_endpoint, api_key=api_token) as client:
existing = client.get_workflow(WORKFLOW_ID)
# Preserve the live workflow name; save_workflow sends name with the draft update.
wf = Workflow(client=client, name=existing.name)
greeting = wf.add(
type="startCall",
name="greeting",
prompt=(
"# Goal\n"
"You are a helpful agent having a conversation over voice with a human. "
"This is a voice conversation, so transcripts can be error prone.\n\n"
"## Flow\n"
"Greet the caller warmly and ask whether they would like to continue."
),
)
qualify = wf.add(
type="agentNode",
name="qualify",
prompt=(
"# Goal\n"
"Qualify the lead by asking about their needs, budget, and timeline.\n\n"
"## Rules\n"
"- Keep responses short — 2-3 sentences max\n"
"- Confirm all three answers before moving on"
),
)
done = wf.add(
type="endCall",
name="done",
prompt="Thank the caller for their time and let them know the team will follow up shortly.",
)
wf.edge(
greeting,
qualify,
label="interested",
condition="Caller confirms they want to continue.",
)
wf.edge(
qualify,
done,
label="qualified",
condition="All qualification questions have been answered.",
)
result = client.save_workflow(workflow_id=WORKFLOW_ID, workflow=wf)
node_count = len(result.workflow_definition.get("nodes", []))
print(
f"Saved workflow {result.id}: {result.name!r} "
f"(version={result.version_number}, status={result.version_status}, "
f"nodes={node_count})"
)
return 0
if __name__ == "__main__":
raise SystemExit(main())