Complete M16 asset operator parity chain

tools/web/check-action-assign-action-desktop.py

@@ -0,0 +1,92 @@
+#!/usr/bin/env python3
+import hashlib
+import json
+import pathlib
+import sys
+import tempfile
+
+import bpy
+
+
+ACTION_NAME = "WebGapAssignAction"
+OBJECT_NAME = "WebGapAssignActionObject"
+
+
+def action_state():
+    obj = bpy.data.objects.get(OBJECT_NAME)
+    if obj is None or obj.animation_data is None or obj.animation_data.action is None:
+        raise RuntimeError("assign_action fixture action is missing")
+    action = obj.animation_data.action
+    channels = []
+    for layer in action.layers:
+        for strip in layer.strips:
+            for bag in strip.channelbags:
+                for curve in bag.fcurves:
+                    channels.append({
+                        "path": curve.data_path,
+                        "index": curve.array_index,
+                        "frames": [round(float(keyframe.co.x), 6) for keyframe in curve.keyframe_points],
+                    })
+    channels.sort(key=lambda value: (value["path"], value["index"]))
+    return {"name": action.name, "channels": channels}
+
+
+def main():
+    arguments = sys.argv[sys.argv.index("--") + 1 :]
+    if len(arguments) != 2:
+        raise SystemExit("usage: blender -b --python check-action-assign-action-desktop.py -- FIXTURE REPORT")
+    fixture, output = (pathlib.Path(value).resolve() for value in arguments)
+    output.unlink(missing_ok=True)
+    bpy.ops.wm.open_mainfile(filepath=str(fixture), load_ui=False)
+    before = action_state()
+    try:
+        poll = bool(bpy.ops.asset.assign_action.poll())
+    except RuntimeError as error:
+        if "context is incorrect" not in str(error):
+            raise
+        poll = False
+    if poll:
+        raise RuntimeError("asset.assign_action unexpectedly polled true without selected asset")
+    try:
+        bpy.ops.asset.assign_action()
+    except RuntimeError as error:
+        if "No asset selected or active" not in str(error) and "context is incorrect" not in str(error):
+            raise
+        operator_status = "CANCELLED"
+    else:
+        raise RuntimeError("asset.assign_action unexpectedly finished without selected asset")
+    after_cancel = action_state()
+    if after_cancel != before:
+        raise RuntimeError(f"asset.assign_action cancellation changed Main data: {before} != {after_cancel}")
+
+    with tempfile.NamedTemporaryFile(prefix="m16-assign-action-reopen-", suffix=".blend", dir=fixture.parent) as temporary:
+        bpy.ops.wm.save_as_mainfile(filepath=temporary.name, check_existing=False, compress=True)
+        bpy.ops.wm.open_mainfile(filepath=temporary.name, load_ui=False)
+        after = action_state()
+    if after != before:
+        raise RuntimeError(f"asset.assign_action save/reopen drift: {before} != {after}")
+    report = {
+        "schemaVersion": 1,
+        "task": "M16-GAP-00266",
+        "operation": "ASSET_ASSIGN_ACTION_DESKTOP",
+        "fixture": str(fixture),
+        "fixtureSha256": hashlib.sha256(fixture.read_bytes()).hexdigest(),
+        "before": before,
+        "after": after,
+        "poll": poll,
+        "operatorStatus": operator_status,
+        "mainMutation": "NONE",
+        "saveReopen": "EXACT",
+        "blenderVersion": bpy.app.version_string,
+    }
+    output.parent.mkdir(parents=True, exist_ok=True)
+    output.write_text(json.dumps(report, indent=2, sort_keys=True) + "\n", encoding="utf-8")
+    print("asset-assign-action-desktop-ok poll=false status=CANCELLED mainMutation=none saveReopen=exact")
+
+
+if __name__ == "__main__":
+    try:
+        main()
+    except Exception as error:
+        print(f"asset-assign-action-desktop-failed: {error}")
+        raise SystemExit(1)