Continue Blender Web parity task handoff

tools/web/check-action-armature-collection-deselect-desktop.py

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+#!/usr/bin/env python3
+import hashlib
+import json
+import os
+import pathlib
+import shutil
+import sys
+import tempfile
+
+import bpy
+
+
+ARMATURE_NAME = "WebGapArmatureCollectionDeselectArmature"
+OBJECT_NAME = "WebGapArmatureCollectionDeselectObject"
+ACTIVE_COLLECTION = "WebGapArmatureCollectionDeselectActive"
+OTHER_COLLECTION = "WebGapArmatureCollectionDeselectOther"
+ACTIVE_BONE = "WebGapArmatureCollectionDeselectActiveBone"
+OTHER_BONE = "WebGapArmatureCollectionDeselectOtherBone"
+
+
+def state_report():
+    armature = bpy.data.armatures.get(ARMATURE_NAME)
+    obj = bpy.data.objects.get(OBJECT_NAME)
+    if armature is None or obj is None or obj.type != "ARMATURE" or obj.data != armature:
+        raise RuntimeError("armature.collection_deselect fixture is missing")
+    was_edit_mode = obj.mode == "EDIT"
+    if not was_edit_mode:
+        bpy.context.view_layer.objects.active = obj
+        obj.select_set(True)
+        bpy.ops.object.mode_set(mode="EDIT")
+    bones = []
+    for bone in armature.edit_bones:
+        bones.append({"name": bone.name, "selected": bool(bone.select)})
+    if not was_edit_mode:
+        bpy.ops.object.mode_set(mode="OBJECT")
+    return {
+        "object": OBJECT_NAME,
+        "armature": ARMATURE_NAME,
+        "activeIndex": armature.collections.active_index,
+        "bones": bones,
+    }
+
+
+def select_fixture_bones():
+    bpy.context.view_layer.objects.active = bpy.data.objects[OBJECT_NAME]
+    bpy.data.objects[OBJECT_NAME].select_set(True)
+    if bpy.context.object.mode != "EDIT":
+        bpy.ops.object.mode_set(mode="EDIT")
+    armature = bpy.data.armatures[ARMATURE_NAME]
+    bpy.ops.armature.select_all(action="DESELECT")
+    for name in (ACTIVE_BONE, OTHER_BONE):
+        bone = armature.edit_bones[name]
+        bone.select = True
+        bone.select_head = True
+        bone.select_tail = True
+    armature.bones.active = armature.bones[ACTIVE_BONE]
+
+
+def run_operator(already_deselected):
+    if already_deselected:
+        obj = bpy.data.objects[OBJECT_NAME]
+        bpy.context.view_layer.objects.active = obj
+        obj.select_set(True)
+        if bpy.context.object.mode != "EDIT":
+            bpy.ops.object.mode_set(mode="EDIT")
+        armature = bpy.data.armatures[ARMATURE_NAME]
+        bpy.ops.armature.select_all(action="DESELECT")
+        other_bone = armature.edit_bones[OTHER_BONE]
+        other_bone.select = True
+        other_bone.select_head = True
+        other_bone.select_tail = True
+    else:
+        select_fixture_bones()
+    armature = bpy.data.armatures[ARMATURE_NAME]
+    poll = bool(bpy.ops.armature.collection_deselect.poll())
+    if not poll:
+        raise RuntimeError("ARMATURE_OT_collection_deselect poll failed")
+    if not already_deselected:
+        result = bpy.ops.armature.collection_deselect()
+        if result != {"FINISHED"}:
+            raise RuntimeError(f"ARMATURE_OT_collection_deselect returned {result}")
+    bpy.ops.object.mode_set(mode="OBJECT")
+    return poll, not already_deselected
+
+
+def main():
+    arguments = sys.argv[sys.argv.index("--") + 1 :]
+    if len(arguments) != 2:
+        raise SystemExit("usage: blender -b --factory-startup --python check-action-armature-collection-deselect-desktop.py -- FIXTURE REPORT")
+    fixture, output = (pathlib.Path(value).resolve() for value in arguments)
+    bpy.ops.wm.open_mainfile(filepath=str(fixture), load_ui=False)
+    before = state_report()
+    if before["activeIndex"] != 0:
+        raise RuntimeError(f"unexpected active collection: {before}")
+    already_deselected = all(
+        not bone["selected"] for bone in before["bones"] if bone["name"] == ACTIVE_BONE
+    )
+    poll, changed = run_operator(already_deselected)
+    after = state_report()
+    selected = {bone["name"]: bone["selected"] for bone in after["bones"]}
+    if selected.get(ACTIVE_BONE) is not False or selected.get(OTHER_BONE) is not True:
+        raise RuntimeError(f"collection_deselect produced unexpected selection: {after}")
+
+    descriptor, temporary = tempfile.mkstemp(prefix="m16-armature-collection-deselect-reopen-", suffix=".blend")
+    os.close(descriptor)
+    temporary_path = pathlib.Path(temporary)
+    try:
+        bpy.ops.wm.save_as_mainfile(filepath=str(temporary_path), check_existing=False, compress=True)
+        bpy.ops.wm.open_mainfile(filepath=str(temporary_path), load_ui=False)
+        reopened = state_report()
+        if reopened != after:
+            raise RuntimeError(f"armature.collection_deselect save/reopen drift: {after} != {reopened}")
+        shutil.copyfile(temporary_path, fixture)
+        report = {
+            "schemaVersion": 1,
+            "task": "M16-GAP-00224",
+            "operation": "ARMATURE_COLLECTION_DESELECT_DESKTOP",
+            "fixture": str(fixture),
+            "fixtureSha256": hashlib.sha256(fixture.read_bytes()).hexdigest(),
+            "before": before,
+            "after": reopened,
+            "alreadyDeselected": already_deselected,
+            "poll": poll,
+            "operatorStatus": "FINISHED" if changed else "SKIPPED_ALREADY_APPLIED",
+            "mainMutation": "ACTIVE_COLLECTION_BONES_DESELECTED" if changed else "ACTIVE_COLLECTION_BONES_ALREADY_DESELECTED",
+            "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("armature-collection-deselect-desktop-ok poll=true activeCollection=deselected saveReopen=exact")
+    finally:
+        temporary_path.unlink(missing_ok=True)
+
+
+if __name__ == "__main__":
+    try:
+        main()
+    except Exception as error:
+        print(f"armature-collection-deselect-desktop-failed: {error}")
+        raise SystemExit(1)