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#!/usr/bin/env python3
"""Standalone CLI harness: run the Comfier tool against a real ComfyUI."""
import argparse
import asyncio
import json
import os
import pathlib
from types import SimpleNamespace
from typing import Any, cast
from devkit import FakeEnv, install
FIXTURES = pathlib.Path(__file__).parent / "fixtures"
async def console_event_emitter(event: dict[str, Any]) -> None:
ev_type = event.get("type")
data = event.get("data", {})
if ev_type == "status":
done_marker = "✓" if data.get("done") else "…"
print(f" [{done_marker}] {data.get('description')}")
elif ev_type == "files":
print(f" [Files Emitted] {json.dumps(data.get('files', []))}")
else:
print(f" [Event:{ev_type}] {data}")
async def console_event_call(event: dict[str, Any]) -> bool:
data = event.get("data", {})
print(f"\n--- MODAL ({event.get('type')}): {data.get('title')} ---")
print(data.get("message", ""))
loop = asyncio.get_running_loop()
answer = await loop.run_in_executor(
None, lambda: input("Confirm / Retry? [y/N]: ").strip().lower()
)
return answer in ("y", "yes")
async def main() -> None:
parser = argparse.ArgumentParser(description="Standalone test harness for Comfier")
parser.add_argument(
"--url",
default=os.environ.get("COMFYUI_URL", "http://127.0.0.1:8188"),
help="ComfyUI base URL (default: $COMFYUI_URL or http://127.0.0.1:8188)",
)
parser.add_argument("--api-key", default=os.environ.get("COMFYUI_API_KEY", ""))
parser.add_argument(
"--workflow", type=pathlib.Path, default=FIXTURES / "workflow.json"
)
parser.add_argument(
"--nodes",
type=pathlib.Path,
default=FIXTURES / "nodes.json",
help="JSON file mirroring Open WebUI's COMFYUI_WORKFLOW_NODES",
)
parser.add_argument("--prompt", default="a tiny blue marble on a white surface")
parser.add_argument("--neg", default=None, help="Negative prompt")
parser.add_argument("--size", default="256x256", help="Image size (WIDTHxHEIGHT)")
parser.add_argument("--seed", default="123")
parser.add_argument(
"--steps",
type=int,
default=None,
help="Tool argument: sampling steps (default: omitted, use --default-steps)",
)
parser.add_argument(
"--default-steps",
type=int,
default=30,
help="Open WebUI's global IMAGE_STEPS, used when --steps is omitted",
)
parser.add_argument(
"--neg-nodes", default="459:452", help="Valve: negative_prompt_node_ids"
)
parser.add_argument("--out", type=pathlib.Path, default=pathlib.Path("test_out"))
parser.add_argument(
"--cancel-after",
type=float,
default=None,
help="Simulate user clicking Stop after N seconds",
)
args = parser.parse_args()
install(
FakeEnv(
comfyui_url=args.url,
api_key=args.api_key,
workflow=args.workflow.read_text(encoding="utf-8"),
nodes=json.loads(args.nodes.read_text(encoding="utf-8")),
image_size="1024x1024",
image_steps=args.default_steps,
output_dir=args.out,
)
)
# Import the tool AFTER the fake Open WebUI modules are installed.
from comfier import Tools
tools = Tools()
tools.valves.negative_prompt_node_ids = args.neg_nodes
task = asyncio.create_task(
tools.comfier_generate_image(
positive_prompt=args.prompt,
negative_prompt=args.neg,
size=args.size,
seed=args.seed,
steps=args.steps,
__request__=cast(Any, SimpleNamespace()),
__user__={"id": "local-dev"},
__event_emitter__=console_event_emitter,
__event_call__=console_event_call,
)
)
if args.cancel_after is not None:
await asyncio.sleep(args.cancel_after)
print(f"\n[Harness] Simulating user abort after {args.cancel_after}s...")
task.cancel()
try:
result = await task
print("\n[Tool Return Payload]")
print(json.dumps(result, indent=2))
except asyncio.CancelledError:
print("\n[Harness] Task cleanly cancelled.")
if __name__ == "__main__":
try:
asyncio.run(main())
except KeyboardInterrupt:
print("\nInterrupted via Ctrl+C.")
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