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"""Prompt-only editorial alternate lineage and presentation checks."""
import asyncio
import importlib.util
import json
import pathlib
import sys
import tempfile
import types
ROOT = pathlib.Path(__file__).resolve().parents[1]
PACKAGE = "h3_alternate_take_unit"
folder_paths = types.ModuleType("folder_paths")
folder_paths.output_directory = str(ROOT)
folder_paths.get_output_directory = lambda: folder_paths.output_directory
folder_paths.get_temp_directory = lambda: folder_paths.output_directory
folder_paths.get_input_directory = lambda: folder_paths.output_directory
folder_paths.get_annotated_filepath = lambda value: str(value)
sys.modules["folder_paths"] = folder_paths
server = types.ModuleType("server")
server.PromptServer = type("PromptServer", (), {"instance": None})
sys.modules["server"] = server
package = types.ModuleType(PACKAGE)
package.__path__ = [str(ROOT)]
sys.modules[PACKAGE] = package
shared_nodes = types.ModuleType(PACKAGE + ".nodes")
shared_nodes.MiniMaxH3MotionContext = object
shared_nodes._claim_inline_patch_ownership = lambda _conditioning=None: "test patch owner"
shared_nodes._prepare_native_guide_conditioning = lambda *args: None
shared_nodes._resize = lambda *args: None
shared_nodes._streams_from_latent = lambda *args: None
sys.modules[shared_nodes.__name__] = shared_nodes
spec = importlib.util.spec_from_file_location(
PACKAGE + ".chain_nodes", ROOT / "chain_nodes.py")
chain = importlib.util.module_from_spec(spec)
sys.modules[spec.name] = chain
spec.loader.exec_module(chain)
class JsonRequest:
def __init__(self, body):
self.body = body
async def json(self):
return self.body
def write_take(run, scene, scene_id, revision, prompt, *, base=None,
predecessor=None, active=False):
checkpoints = run / "checkpoints"
segments = run / "segments"
checkpoints.mkdir(parents=True, exist_ok=True)
segments.mkdir(parents=True, exist_ok=True)
video = segments / f"clip_{scene:04d}.{revision}.mp4"
latent = checkpoints / f"clip_{scene:04d}.{revision}.safetensors"
prompt_file = segments / f"clip_{scene:04d}.{revision}.prompt.txt"
metadata_path = checkpoints / f"clip_{scene:04d}.{revision}.json"
video.write_bytes(("video-" + revision).encode())
latent.write_bytes(("latent-" + revision).encode())
prompt_file.write_text(prompt, encoding="utf-8")
segment = {
"index": scene,
"id": scene_id,
"revision": revision,
"segment": str(video.relative_to(folder_paths.output_directory)),
"checkpoint": str(latent.relative_to(folder_paths.output_directory)),
"prompt_file": str(prompt_file.relative_to(
folder_paths.output_directory)),
"revision_metadata": str(metadata_path.relative_to(
folder_paths.output_directory)),
"raw_frames": 39,
"delivered_frames": 39,
"prompt": prompt,
"scene_prompt": prompt,
"seed": scene,
"steps": 8,
"segment_sha256": chain._file_sha256(str(video)),
"checkpoint_sha256": chain._file_sha256(str(latent)),
"prompt_file_sha256": chain._file_sha256(str(prompt_file)),
"branch_id": predecessor or revision,
"resolved_context_length": 0,
"resolved_audio_context_length": 0,
}
if predecessor:
segment["predecessor_revision"] = predecessor
if base:
segment.update({
"take_kind": "editorial_alternate",
"alternate_of_revision": base,
"alternate_media_mode": "picture_only",
})
metadata = {
"format": "h3_chain_segment_v3",
"run_name": "alternate_test",
"compatibility": {
"width": 64, "height": 64, "fps": 24,
"context_length": 0, "audio_context_length": 0,
"audio_mode": "generated_audio",
},
"segment": segment,
}
metadata_path.write_text(json.dumps(metadata), encoding="utf-8")
if active:
(checkpoints / f"clip_{scene:04d}.json").write_text(
json.dumps(metadata), encoding="utf-8")
return segment
async def check():
with tempfile.TemporaryDirectory() as temporary:
folder_paths.output_directory = temporary
run = pathlib.Path(temporary) / "h3_chains" / "alternate_test"
base_one = "1" * 32
base_two = "2" * 32
alternate_one = "a" * 32
first = write_take(
run, 1, "scene_1", base_one, "the red folder", active=True)
second = write_take(
run, 2, "scene_2", base_two, "read the folder",
predecessor=base_one, active=True)
plan = chain._normalize_plan(
json.dumps({"shots": [
{"id": "scene_1", "prompt": "the red folder", "length": 39},
{"id": "scene_2", "prompt": "read the folder", "length": 39,
"context_length": 0},
]}),
"alternate_test", 64, 64, 22, "video", "head", "disabled",
"generated_audio", 22, 2.0, 8, 7, 18, "model-stack", 0,
"guide", None)
canonical_hash = plan["plan_hash"]
(run / "plan.json").write_text(json.dumps(plan), encoding="utf-8")
editorial = chain._save_run_editorial_document({
"run_name": "alternate_test",
"scene_order": [
{"scene": 1, "scene_id": "scene_1"},
{"scene": 2, "scene_id": "scene_2"},
],
"alternate_draft": {
"enabled": True,
"scene": 1,
"scene_id": "scene_1",
"base_revision": base_one,
"prompt": "the blue folder",
"seed": "42",
"media_mode": "picture_only",
},
})
derived = chain._alternate_take_plan(plan, editorial)
assert plan["plan_hash"] == canonical_hash
assert plan["shots"][0]["scene_prompt"] == "the red folder"
assert derived["shots"][0]["scene_prompt"] == "the blue folder"
assert derived["shots"][1]["scene_prompt"] == "read the folder"
assert derived["alternate_take"]["base_revision"] == base_one
assert chain._alternate_take_descriptor(derived)["scene"] == 1
latest_queued = dict(editorial["alternate_draft"])
latest_queued["prompt"] = "the latest blue folder"
merged = chain._merge_queued_alternate_draft(
editorial, latest_queued)
assert merged["alternate_draft"]["prompt"] == \
"the latest blue folder"
consumed = dict(editorial)
consumed["alternate_draft"] = None
consumed["replacements"] = [{
"scene": 1,
"scene_id": "scene_1",
"base_revision": base_one,
"alternate_revision": "a" * 32,
"media_mode": "picture_only",
}]
stale = chain._merge_queued_alternate_draft(
consumed, editorial["alternate_draft"])
assert stale["alternate_draft"] is None
assert stale["replacements"] == consumed["replacements"]
disarmed = chain._merge_queued_alternate_draft(editorial, None)
assert disarmed["alternate_draft"] is None
alternate = write_take(
run, 1, "scene_1", alternate_one, "the blue folder",
base=base_one)
selected = chain._save_run_editorial_document({
"run_name": "alternate_test",
"scene_order": [
{"scene": 1, "scene_id": "scene_1"},
{"scene": 2, "scene_id": "scene_2"},
],
"replacements": [{
"scene": 1,
"scene_id": "scene_1",
"base_revision": base_one,
"alternate_revision": alternate_one,
"media_mode": "picture_only",
}],
})
presentation = chain._editorial_presentation_segments(
"alternate_test", [first, second], selected)
assert presentation[0]["revision"] == alternate_one
assert presentation[0]["presentation_base_revision"] == base_one
assert presentation[1]["revision"] == base_two
listing = chain._saved_checkpoint_listing(
"alternate_test", include_graph=False)
scene_one = listing["checkpoints"][0]
assert scene_one["revision"] == base_one
assert scene_one["presentation_revision"] == alternate_one
assert scene_one["alternates"][0]["used_in_final_cut"] is True
regenerated_base = "3" * 32
regenerated = write_take(
run, 1, "scene_1", regenerated_base, "the green folder",
active=True)
stale_presentation = chain._editorial_presentation_segments(
"alternate_test", [regenerated, second], selected)
assert stale_presentation[0]["revision"] == regenerated_base
recovered_editorial, recovered_records, recovered_frames = (
chain._editorial_timeline_records(
"alternate_test", [regenerated]))
assert recovered_editorial["replacements"] == []
assert recovered_records[0]["segment"]["revision"] == regenerated_base
assert recovered_frames == regenerated["delivered_frames"]
stale_listing = chain._saved_checkpoint_listing(
"alternate_test", include_graph=False)
stale_scene_one = stale_listing["checkpoints"][0]
assert "presentation_revision" not in stale_scene_one
assert stale_scene_one["alternates"][0]["used_in_final_cut"] is False
assert stale_listing["editorial"]["replacements"] == []
stale_graph = chain.CheckpointGraphManager(temporary).graph(
"alternate_test")
stale_base_record = next(
item for item in stale_graph["revisions"]
if item["revision"] == base_one)
assert stale_base_record["alternates"][0]["used_in_final_cut"] is False
stale_alternate_preview = chain.CheckpointGraphManager(
temporary).deletion_preview(
"alternate_test", 1, alternate_one)
assert stale_alternate_preview["allowed"] is True
reconciled, cleared = chain._editorial_after_base_revision_change(
selected, 1, "scene_1", regenerated_base)
assert cleared == ["final-cut alternate"]
assert reconciled["replacements"] == []
assert reconciled["alternate_draft"] is None
valid_again, cleared = chain._editorial_after_base_revision_change(
selected, 1, "scene_1", base_one)
assert cleared == []
assert valid_again["replacements"] == selected["replacements"]
# Restore the original base for graph/deletion assertions below.
write_take(run, 1, "scene_1", base_one, "the red folder", active=True)
graph = chain.CheckpointGraphManager(temporary).graph("alternate_test")
assert graph["summary"]["revision_count"] == 4
assert graph["summary"]["branch_count"] == 2
base_record = next(item for item in graph["revisions"]
if item["revision"] == base_one)
assert base_record["alternates"][0]["revision"] == alternate_one
assert base_record["alternates"][0]["used_in_final_cut"] is True
assert all(child["revision"] != alternate_one
for child in base_record["children"])
base_preview = chain.CheckpointGraphManager(temporary).deletion_preview(
"alternate_test", 1, base_one)
assert any(item["revision"] == alternate_one
for item in base_preview["dependents"])
preview = chain.CheckpointGraphManager(temporary).deletion_preview(
"alternate_test", 1, alternate_one)
assert preview["allowed"] is False
assert "selected in the final cut" in " ".join(preview["blockers"])
try:
chain._checkpoint_selection_manifest({
"run_name": "alternate_test",
"lineage": [{"scene": 1, "revision": alternate_one}],
"scope_start_scene": 1,
"scope_end_scene": 2,
})
except ValueError as exc:
assert "editorial alternate" in str(exc)
else:
raise AssertionError(
"An editorial alternate was accepted as checkpoint lineage")
activation = await chain._restore_checkpoint_revisions(JsonRequest({
"run_name": "alternate_test",
"resume_scene": 2,
"scope_start_scene": 1,
"scope_end_scene": 2,
"activate_only": True,
"revisions": [{"scene": 1, "revision": alternate_one}],
}))
assert activation.status == 400
assert "cannot become an active generation checkpoint" in json.loads(
activation.text)["error"]
if __name__ == "__main__":
asyncio.run(check())
print("alternate take checks passed")
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