318 lines
11 KiB
Python
318 lines
11 KiB
Python
"""
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Pipeline node functions — one per stage.
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Each node: reads state, runs stage logic, emits transitions, returns output dict.
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"""
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from __future__ import annotations
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import os
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from detect import emit
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from detect.models import PipelineStats
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from detect.profiles import SoccerBroadcastProfile
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from detect.state import DetectState
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from detect.stages.frame_extractor import extract_frames
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from detect.stages.scene_filter import scene_filter
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from detect.stages.edge_detector import detect_edge_regions
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from detect.stages.yolo_detector import detect_objects
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from detect.stages.preprocess import preprocess_regions
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from detect.stages.ocr_stage import run_ocr
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from detect.stages.brand_resolver import resolve_brands
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from detect.stages.vlm_local import escalate_vlm
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from detect.stages.vlm_cloud import escalate_cloud
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from detect.stages.aggregator import compile_report
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from detect.tracing import trace_node, flush as flush_traces
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from .events import emit_transition
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INFERENCE_URL = os.environ.get("INFERENCE_URL") # None = local mode
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NODES = [
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"extract_frames",
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"filter_scenes",
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"detect_edges",
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"detect_objects",
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"preprocess",
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"run_ocr",
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"match_brands",
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"escalate_vlm",
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"escalate_cloud",
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"compile_report",
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]
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def _get_profile(state: DetectState):
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name = state.get("profile_name", "soccer_broadcast")
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if name == "soccer_broadcast":
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profile = SoccerBroadcastProfile()
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else:
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raise ValueError(f"Unknown profile: {name}")
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overrides = state.get("config_overrides")
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if overrides:
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from detect.checkpoint.replay import OverrideProfile
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profile = OverrideProfile(profile, overrides)
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return profile
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def _emit(state, node, status):
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emit_transition(state, node, status, NODES)
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# --- Node functions ---
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def node_extract_frames(state: DetectState) -> dict:
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job_id = state.get("job_id", "")
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if job_id and not emit._run_context:
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emit.set_run_context(run_id=job_id, parent_job_id=job_id, run_type="initial")
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source_asset_id = state.get("source_asset_id")
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if source_asset_id and not state.get("session_brands"):
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from detect.stages.brand_resolver import build_session_dict
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session_brands = build_session_dict(source_asset_id)
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state["session_brands"] = session_brands
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_emit(state, "extract_frames", "running")
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with trace_node(state, "extract_frames") as span:
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profile = _get_profile(state)
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config = profile.frame_extraction_config()
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frames = extract_frames(state["video_path"], config, job_id=state.get("job_id"))
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span.set_output({"frames_extracted": len(frames)})
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_emit(state, "extract_frames", "done")
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return {"frames": frames, "stats": PipelineStats(frames_extracted=len(frames))}
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def node_filter_scenes(state: DetectState) -> dict:
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_emit(state, "filter_scenes", "running")
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with trace_node(state, "filter_scenes") as span:
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profile = _get_profile(state)
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config = profile.scene_filter_config()
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frames = state.get("frames", [])
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kept = scene_filter(frames, config, job_id=state.get("job_id"))
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span.set_output({"frames_in": len(frames), "frames_kept": len(kept)})
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stats = state.get("stats", PipelineStats())
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stats.frames_after_scene_filter = len(kept)
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_emit(state, "filter_scenes", "done")
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return {"filtered_frames": kept, "stats": stats}
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def node_detect_edges(state: DetectState) -> dict:
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_emit(state, "detect_edges", "running")
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with trace_node(state, "detect_edges") as span:
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profile = _get_profile(state)
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config = profile.region_analysis_config()
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frames = state.get("filtered_frames", [])
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job_id = state.get("job_id")
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regions = detect_edge_regions(
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frames, config, inference_url=INFERENCE_URL, job_id=job_id,
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)
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total = sum(len(r) for r in regions.values())
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span.set_output({"frames": len(frames), "edge_regions": total})
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stats = state.get("stats", PipelineStats())
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stats.cv_regions_detected = total
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_emit(state, "detect_edges", "done")
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return {"edge_regions_by_frame": regions, "stats": stats}
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def node_detect_objects(state: DetectState) -> dict:
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_emit(state, "detect_objects", "running")
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with trace_node(state, "detect_objects") as span:
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profile = _get_profile(state)
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config = profile.detection_config()
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frames = state.get("filtered_frames", [])
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job_id = state.get("job_id")
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all_boxes = detect_objects(frames, config, inference_url=INFERENCE_URL, job_id=job_id)
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total_regions = sum(len(boxes) for boxes in all_boxes.values())
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span.set_output({"frames": len(frames), "regions_detected": total_regions})
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stats = state.get("stats", PipelineStats())
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stats.regions_detected = total_regions
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_emit(state, "detect_objects", "done")
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return {"boxes_by_frame": all_boxes, "stats": stats}
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def node_preprocess(state: DetectState) -> dict:
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_emit(state, "preprocess", "running")
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with trace_node(state, "preprocess") as span:
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profile = _get_profile(state)
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frames = state.get("filtered_frames", [])
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boxes = state.get("boxes_by_frame", {})
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job_id = state.get("job_id")
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overrides = state.get("config_overrides", {})
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prep_config = overrides.get("preprocessing", {})
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do_contrast = prep_config.get("contrast", True)
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do_deskew = prep_config.get("deskew", False)
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do_binarize = prep_config.get("binarize", False)
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preprocessed = preprocess_regions(
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frames, boxes,
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do_contrast=do_contrast,
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do_deskew=do_deskew,
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do_binarize=do_binarize,
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inference_url=INFERENCE_URL,
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job_id=job_id,
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)
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span.set_output({"regions_preprocessed": len(preprocessed)})
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_emit(state, "preprocess", "done")
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return {"preprocessed_crops": preprocessed}
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def node_run_ocr(state: DetectState) -> dict:
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_emit(state, "run_ocr", "running")
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with trace_node(state, "run_ocr") as span:
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profile = _get_profile(state)
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config = profile.ocr_config()
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frames = state.get("filtered_frames", [])
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boxes = state.get("boxes_by_frame", {})
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job_id = state.get("job_id")
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candidates = run_ocr(frames, boxes, config, inference_url=INFERENCE_URL, job_id=job_id)
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span.set_output({"regions_in": sum(len(b) for b in boxes.values()), "text_candidates": len(candidates)})
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stats = state.get("stats", PipelineStats())
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stats.regions_resolved_by_ocr = len(candidates)
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_emit(state, "run_ocr", "done")
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return {"text_candidates": candidates, "stats": stats}
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def node_match_brands(state: DetectState) -> dict:
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_emit(state, "match_brands", "running")
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with trace_node(state, "match_brands") as span:
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profile = _get_profile(state)
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resolver_config = profile.resolver_config()
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candidates = state.get("text_candidates", [])
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session_brands = state.get("session_brands", {})
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job_id = state.get("job_id")
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source_asset_id = state.get("source_asset_id")
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matched, unresolved = resolve_brands(
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candidates, resolver_config,
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session_brands=session_brands,
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source_asset_id=source_asset_id,
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content_type=profile.name, job_id=job_id,
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)
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span.set_output({"matched": len(matched), "unresolved": len(unresolved)})
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_emit(state, "match_brands", "done")
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return {"detections": matched, "unresolved_candidates": unresolved}
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def node_escalate_vlm(state: DetectState) -> dict:
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_emit(state, "escalate_vlm", "running")
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with trace_node(state, "escalate_vlm") as span:
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profile = _get_profile(state)
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candidates = state.get("unresolved_candidates", [])
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job_id = state.get("job_id")
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vlm_matched, still_unresolved = escalate_vlm(
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candidates,
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vlm_prompt_fn=profile.vlm_prompt,
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inference_url=INFERENCE_URL,
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content_type=profile.name,
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source_asset_id=state.get("source_asset_id"),
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job_id=job_id,
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)
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stats = state.get("stats", PipelineStats())
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stats.regions_escalated_to_local_vlm = len(candidates)
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span.set_output({"candidates": len(candidates), "matched": len(vlm_matched),
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"still_unresolved": len(still_unresolved)})
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existing = state.get("detections", [])
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vlm_skipped = os.environ.get("SKIP_VLM", "").strip() == "1"
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_emit(state, "escalate_vlm", "skipped" if vlm_skipped else "done")
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return {
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"detections": existing + vlm_matched,
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"unresolved_candidates": still_unresolved,
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"stats": stats,
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}
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def node_escalate_cloud(state: DetectState) -> dict:
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_emit(state, "escalate_cloud", "running")
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with trace_node(state, "escalate_cloud") as span:
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profile = _get_profile(state)
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candidates = state.get("unresolved_candidates", [])
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job_id = state.get("job_id")
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stats = state.get("stats", PipelineStats())
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cloud_matched = escalate_cloud(
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candidates,
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vlm_prompt_fn=profile.vlm_prompt,
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stats=stats,
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content_type=profile.name,
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source_asset_id=state.get("source_asset_id"),
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job_id=job_id,
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)
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span.set_output({"candidates": len(candidates), "matched": len(cloud_matched),
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"cloud_calls": stats.cloud_llm_calls,
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"cost_usd": stats.estimated_cloud_cost_usd})
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existing = state.get("detections", [])
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cloud_skipped = os.environ.get("SKIP_CLOUD", "").strip() == "1"
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_emit(state, "escalate_cloud", "skipped" if cloud_skipped else "done")
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return {"detections": existing + cloud_matched, "stats": stats}
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def node_compile_report(state: DetectState) -> dict:
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_emit(state, "compile_report", "running")
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with trace_node(state, "compile_report") as span:
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profile = _get_profile(state)
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detections = state.get("detections", [])
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stats = state.get("stats", PipelineStats())
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job_id = state.get("job_id")
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report = compile_report(
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detections=detections,
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stats=stats,
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video_source=state.get("video_path", ""),
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content_type=profile.name,
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job_id=job_id,
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)
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span.set_output({"brands": len(report.brands), "detections": len(report.timeline)})
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flush_traces()
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_emit(state, "compile_report", "done")
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return {"report": report}
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NODE_FUNCTIONS = [
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("extract_frames", node_extract_frames),
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("filter_scenes", node_filter_scenes),
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("detect_edges", node_detect_edges),
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("detect_objects", node_detect_objects),
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("preprocess", node_preprocess),
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("run_ocr", node_run_ocr),
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("match_brands", node_match_brands),
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("escalate_vlm", node_escalate_vlm),
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("escalate_cloud", node_escalate_cloud),
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("compile_report", node_compile_report),
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]
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