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"""Focused mixed-policy checkpoint branch activation regression."""
import asyncio
import importlib.util
import json
import pathlib
import tempfile
ROOT = pathlib.Path(__file__).resolve().parents[1]
HELPERS_PATH = ROOT / "tests" / "_checkpoint_revision_unit_test.py"
spec = importlib.util.spec_from_file_location(
"h3_checkpoint_activation_helpers", HELPERS_PATH)
helpers = importlib.util.module_from_spec(spec)
spec.loader.exec_module(helpers)
async def check():
with tempfile.TemporaryDirectory() as temporary:
helpers.folder_paths.output_directory = temporary
run = pathlib.Path(temporary) / "h3_chains" / "mixed_policy"
first = "a" * 32
second = "b" * 32
first_meta, _ = helpers.write_revision(
run, 1, first, 1001, active=True, run_name="mixed_policy")
helpers.write_revision(
run, 2, second, 1002, predecessor=first_meta,
run_name="mixed_policy", compatibility={
"context_length": 39,
"audio_context_length": 39,
"audio_mode": "generated_audio",
})
selection = {
"run_name": "mixed_policy",
"resume_scene": 3,
"revisions": [
{"scene": 1, "revision": first},
{"scene": 2, "revision": second},
],
}
strict = await helpers.chain._restore_checkpoint_revisions(
helpers.JsonRequest(selection))
assert strict.status == 400
assert "different Plan compatibility" in json.loads(
strict.text)["error"]
assert not (run / "checkpoints" / "clip_0002.json").exists()
promoted = await helpers.chain._restore_checkpoint_revisions(
helpers.JsonRequest({**selection, "activate_only": True}))
assert promoted.status == 200
assert json.loads(promoted.text)["activate_only"] is True
assert json.loads((
run / "checkpoints" / "clip_0002.json").read_text())[
"segment"]["revision"] == second
graph = helpers.chain.CheckpointGraphManager(
temporary).graph("mixed_policy")
assert [item["revision"] for item in graph["revisions"]
if item["active"]] == [first, second]
assert graph["branches"][0]["active"] is True
# One builder scene can depend on several saved picture revisions,
# including repeated windows from the same source. Checkpoint Manager
# must protect every distinct source, not only the nearest block.
builder_run = pathlib.Path(temporary) / "h3_chains" / "builder_graph"
builder_one = "8" * 32
builder_two = "9" * 32
builder_three = "c" * 32
builder_four = "d" * 32
builder_one_meta, _ = helpers.write_revision(
builder_run, 1, builder_one, 3001, active=True,
run_name="builder_graph")
builder_two_meta, _ = helpers.write_revision(
builder_run, 2, builder_two, 3002, active=True,
predecessor=builder_one_meta, run_name="builder_graph")
builder_three_meta, _ = helpers.write_revision(
builder_run, 3, builder_three, 3003, active=True,
predecessor=builder_two_meta, run_name="builder_graph")
builder_four_meta, _ = helpers.write_revision(
builder_run, 4, builder_four, 3004, active=True,
predecessor=builder_three_meta, run_name="builder_graph",
generated_continuity="off")
builder_four_meta["segment"]["visual_context_blocks"] = [
{
"source_scene": 1, "source_revision": builder_one,
"source_checkpoint_sha256": builder_one_meta["segment"][
"checkpoint_sha256"], "frames": 5,
},
{
"source_scene": 2, "source_revision": builder_two,
"source_checkpoint_sha256": builder_two_meta["segment"][
"checkpoint_sha256"], "frames": 12,
},
{
"source_scene": 1, "source_revision": builder_one,
"source_checkpoint_sha256": builder_one_meta["segment"][
"checkpoint_sha256"], "frames": 22,
},
]
builder_metadata = builder_run / "checkpoints" / (
"clip_0004.%s.json" % builder_four)
builder_metadata.write_text(
json.dumps(builder_four_meta), encoding="utf-8")
(builder_run / "checkpoints" / "clip_0004.json").write_text(
json.dumps(builder_four_meta), encoding="utf-8")
builder_graph = helpers.chain.CheckpointGraphManager(
temporary).graph("builder_graph")
builder_record = next(
item for item in builder_graph["revisions"]
if item["scene"] == 4 and item["revision"] == builder_four)
assert builder_record["dependencies"] == [
{"scene": 1, "revision": builder_one},
{"scene": 2, "revision": builder_two},
{"scene": 3, "revision": builder_three},
]
assert not helpers.chain.CheckpointGraphManager(
temporary).deletion_preview(
"builder_graph", 1, builder_one)["allowed"]
# Editorial chapters are independent activation scopes. A Chapter 2
# branch may retain provenance to an inactive Chapter 1 revision, but
# promoting it must not rewrite Chapter 1's active pointers.
scoped_run = pathlib.Path(temporary) / "h3_chains" / "chapter_scopes"
one = "1" * 32
two_active = "2" * 32
two_other = "3" * 32
three_active = "4" * 32
four_active = "5" * 32
three_other = "6" * 32
four_other = "7" * 32
one_meta, _ = helpers.write_revision(
scoped_run, 1, one, 2001, active=True,
run_name="chapter_scopes")
two_active_meta, _ = helpers.write_revision(
scoped_run, 2, two_active, 2002, active=True,
predecessor=one_meta, run_name="chapter_scopes")
two_other_meta, _ = helpers.write_revision(
scoped_run, 2, two_other, 2003, predecessor=one_meta,
run_name="chapter_scopes")
three_active_meta, _ = helpers.write_revision(
scoped_run, 3, three_active, 2004, active=True,
predecessor=two_active_meta, run_name="chapter_scopes")
helpers.write_revision(
scoped_run, 4, four_active, 2005, active=True,
predecessor=three_active_meta, run_name="chapter_scopes")
three_other_meta, _ = helpers.write_revision(
scoped_run, 3, three_other, 2006,
predecessor=two_other_meta, run_name="chapter_scopes",
context_length=0, audio_context_length=0,
generated_continuity="off")
helpers.write_revision(
scoped_run, 4, four_other, 2007,
predecessor=three_other_meta, run_name="chapter_scopes")
(scoped_run / "plan.json").write_text(json.dumps({
"plan_hash": "chapter-scope-test",
"shots": [{"id": "scene_%d" % scene} for scene in range(1, 5)],
}), encoding="utf-8")
helpers.chain._save_run_editorial_document({
"run_name": "chapter_scopes",
"scene_order": [
{"scene": scene, "scene_id": "scene_%d" % scene}
for scene in range(1, 5)
],
"chapters": [
{"id": "chapter_1", "title": "Chapter 1",
"start_scene_id": "scene_1"},
{"id": "chapter_2", "title": "Chapter 2",
"start_scene_id": "scene_3"},
],
})
chapter_two = await helpers.chain._restore_checkpoint_revisions(
helpers.JsonRequest({
"run_name": "chapter_scopes",
"resume_scene": 5,
"scope_start_scene": 3,
"scope_end_scene": 4,
"activate_only": True,
"revisions": [
{"scene": 3, "revision": three_other},
{"scene": 4, "revision": four_other},
],
}))
assert chapter_two.status == 200
chapter_two_body = json.loads(chapter_two.text)
assert chapter_two_body["scope_start_scene"] == 3
assert chapter_two_body["scope_end_scene"] == 4
assert chapter_two_body["retired_scope_pointers"] == 0
pointers = {
scene: json.loads((scoped_run / "checkpoints" /
("clip_%04d.json" % scene)).read_text())["segment"][
"revision"]
for scene in range(1, 5)
}
assert pointers == {
1: one, 2: two_active, 3: three_other, 4: four_other}
manifest = helpers.chain._checkpoint_selection_manifest({
"run_name": "chapter_scopes",
"lineage": [
{"scene": 1, "revision": one},
{"scene": 2, "revision": two_active},
{"scene": 3, "revision": three_other},
{"scene": 4, "revision": four_other},
],
"scope_start_scene": 3,
"scope_end_scene": 4,
})
assert [item["revision"] for item in manifest["segments"]] == [
one, two_active, three_other, four_other]
assert manifest["selection_scope"] == {
"start_scene": 3, "end_scene": 4}
scoped_graph = helpers.chain.CheckpointGraphManager(
temporary).graph("chapter_scopes")
active_branches = [branch for branch in scoped_graph["branches"]
if branch["active"]]
assert [[item["scene"] for item in branch["path"]]
for branch in active_branches] == [[3, 4], [1, 2]]
chapter_root = next(
item for item in scoped_graph["revisions"]
if item["scene"] == 3 and item["revision"] == three_other)
assert chapter_root["parent"] is None
assert chapter_root["dependencies"] == []
explicit_root = next(
item for item in scoped_graph["revisions"]
if item["scene"] == 3 and item["revision"] == three_active)
assert explicit_root["parent"] is None
assert explicit_root["dependencies"] == [
{"scene": 2, "revision": two_active}]
protected = helpers.chain.CheckpointGraphManager(
temporary).deletion_preview(
"chapter_scopes", 2, two_active)
assert not protected["allowed"]
assert any(item["revision"] == three_active
for item in protected["dependents"])
chapter_one = await helpers.chain._restore_checkpoint_revisions(
helpers.JsonRequest({
"run_name": "chapter_scopes",
"resume_scene": 3,
"scope_start_scene": 1,
"scope_end_scene": 2,
"activate_only": True,
"revisions": [
{"scene": 1, "revision": one},
{"scene": 2, "revision": two_other},
],
}))
assert chapter_one.status == 200
pointers = {
scene: json.loads((scoped_run / "checkpoints" /
("clip_%04d.json" % scene)).read_text())["segment"][
"revision"]
for scene in range(1, 5)
}
assert pointers == {
1: one, 2: two_other, 3: three_other, 4: four_other}
independent = helpers.chain.CheckpointGraphManager(
temporary).deletion_preview(
"chapter_scopes", 2, two_other)
assert independent["allowed"] and independent["rollback"]
incompatible_dependency = await (
helpers.chain._restore_checkpoint_revisions(
helpers.JsonRequest({
"run_name": "chapter_scopes",
"resume_scene": 5,
"scope_start_scene": 3,
"scope_end_scene": 4,
"activate_only": True,
"revisions": [
{"scene": 3, "revision": three_active},
{"scene": 4, "revision": four_active},
],
})))
assert incompatible_dependency.status == 400
assert "explicitly depends on scene 2" in json.loads(
incompatible_dependency.text)["error"]
if __name__ == "__main__":
asyncio.run(check())
print("H3 checkpoint activation: mixed policies and independent chapter scopes pass")
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