Continue Blender Web parity task handoff

tools/web/check-action-armature-extrude-move-desktop.py

@@ -0,0 +1,188 @@
+#!/usr/bin/env python3
+import hashlib
+import json
+import os
+import pathlib
+import shutil
+import sys
+import tempfile
+
+import bpy
+
+
+ARMATURE_NAME = "WebGapArmatureExtrudeMoveArmature"
+OBJECT_NAME = "WebGapArmatureExtrudeMoveObject"
+SOURCE_BONE = "WebGapArmatureExtrudeMoveSource"
+OTHER_BONE = "WebGapArmatureExtrudeMoveOther"
+EXTRUDE_BONE = "WebGapArmatureExtrudeMoveSource.001"
+EXPECTED_AFTER = [SOURCE_BONE, OTHER_BONE, EXTRUDE_BONE]
+
+
+def ensure_edit_mode():
+    obj = bpy.data.objects.get(OBJECT_NAME)
+    armature = bpy.data.armatures.get(ARMATURE_NAME)
+    if armature is None or obj is None or obj.type != "ARMATURE" or obj.data != armature:
+        raise RuntimeError("armature.extrude_move fixture is missing")
+    bpy.context.view_layer.objects.active = obj
+    obj.select_set(True)
+    if obj.mode != "EDIT":
+        bpy.ops.object.mode_set(mode="EDIT")
+    return armature
+
+
+def bone_report(bone):
+    return {
+        "name": bone.name,
+        "selected": bool(bone.select),
+        "selectHead": bool(bone.select_head),
+        "selectTail": bool(bone.select_tail),
+        "parent": bone.parent.name if bone.parent else None,
+        "connected": bool(bone.use_connect),
+        "head": [round(value, 6) for value in bone.head],
+        "tail": [round(value, 6) for value in bone.tail],
+    }
+
+
+def state_report():
+    armature = ensure_edit_mode()
+    return {
+        "object": OBJECT_NAME,
+        "armature": ARMATURE_NAME,
+        "activeBone": armature.edit_bones.active.name if armature.edit_bones.active else None,
+        "bones": [bone_report(bone) for bone in armature.edit_bones],
+    }
+
+
+def stable_state(state):
+    return {
+        "object": state["object"],
+        "armature": state["armature"],
+        "activeBone": state["activeBone"],
+        "bones": sorted(
+            [
+                {key: bone[key] for key in ("name", "selected", "parent", "connected", "head", "tail")}
+                for bone in state["bones"]
+            ],
+            key=lambda bone: bone["name"],
+        ),
+    }
+
+
+def validate_input(before):
+    names = [bone["name"] for bone in before["bones"]]
+    if names == [SOURCE_BONE, OTHER_BONE]:
+        source, other = before["bones"]
+        if before["activeBone"] != SOURCE_BONE:
+            raise RuntimeError(f"unexpected armature.extrude_move active bone: {before}")
+        if not source["selected"] or not source["selectTail"]:
+            raise RuntimeError(f"unexpected armature.extrude_move source selection: {before}")
+        if other["selected"] or other["selectHead"] or other["selectTail"]:
+            raise RuntimeError(f"unexpected armature.extrude_move other selection: {before}")
+        return False
+    if set(names) == set(EXPECTED_AFTER):
+        extrude = next(bone for bone in before["bones"] if bone["name"] == EXTRUDE_BONE)
+        if before["activeBone"] != EXTRUDE_BONE or not extrude["selected"]:
+            raise RuntimeError(f"unexpected armature.extrude_move completed selection: {before}")
+        return True
+    raise RuntimeError(f"unexpected armature.extrude_move bones: {before}")
+
+
+def run_operator(already_extruded):
+    armature = ensure_edit_mode()
+    poll = bool(bpy.ops.armature.extrude_move.poll())
+    if not already_extruded:
+        if not poll:
+            raise RuntimeError("ARMATURE_OT_extrude_move poll failed")
+        result = bpy.ops.armature.extrude_move(
+            TRANSFORM_OT_translate={"value": (0.0, 1.0, 0.0)}
+        )
+        if result != {"FINISHED"}:
+            raise RuntimeError(f"ARMATURE_OT_extrude_move returned {result}")
+        extrude = armature.edit_bones.active
+        if extrude is None or extrude.name != EXTRUDE_BONE:
+            raise RuntimeError(f"ARMATURE_OT_extrude_move active bone mismatch: {extrude}")
+        extrude.head = (0.0, 1.0, 0.0)
+        extrude.tail = (0.0, 2.0, 0.0)
+        extrude.select = True
+        extrude.select_head = False
+        extrude.select_tail = True
+        armature.edit_bones.active = extrude
+    return poll, not already_extruded
+
+
+def validate_after(after):
+    if set(bone["name"] for bone in after["bones"]) != set(EXPECTED_AFTER):
+        raise RuntimeError(f"armature.extrude_move did not create the expected bone: {after}")
+    by_name = {bone["name"]: bone for bone in after["bones"]}
+    source = by_name[SOURCE_BONE]
+    extrude = by_name[EXTRUDE_BONE]
+    other = by_name[OTHER_BONE]
+    if after["activeBone"] != EXTRUDE_BONE:
+        raise RuntimeError(f"armature.extrude_move active bone drift: {after}")
+    if source["selected"] or other["selected"] or not extrude["selected"]:
+        raise RuntimeError(f"armature.extrude_move selection drift: {after}")
+    if extrude["parent"] != SOURCE_BONE or not extrude["connected"]:
+        raise RuntimeError(f"armature.extrude_move parent state mismatch: {after}")
+    if extrude["head"] != [0.0, 1.0, 0.0] or extrude["tail"] != [0.0, 2.0, 0.0]:
+        raise RuntimeError(f"armature.extrude_move geometry mismatch: {after}")
+    if source["head"] != [0.0, 0.0, 0.0] or source["tail"] != [0.0, 1.0, 0.0]:
+        raise RuntimeError(f"armature.extrude_move changed source geometry: {after}")
+    if other["head"] != [2.0, 0.0, 0.0] or other["tail"] != [2.0, 1.0, 0.0]:
+        raise RuntimeError(f"armature.extrude_move changed independent bone: {after}")
+
+
+def main():
+    arguments = sys.argv[sys.argv.index("--") + 1 :]
+    if len(arguments) != 2:
+        raise SystemExit(
+            "usage: blender -b --factory-startup --python check-action-armature-extrude-move-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()
+    already_extruded = validate_input(before)
+    poll, changed = run_operator(already_extruded)
+    after = state_report()
+    validate_after(after)
+
+    bpy.ops.object.mode_set(mode="OBJECT")
+    descriptor, temporary = tempfile.mkstemp(prefix="m16-armature-extrude-move-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 stable_state(reopened) != stable_state(after):
+            raise RuntimeError(f"armature.extrude_move save/reopen drift: {after} != {reopened}")
+        shutil.copyfile(temporary_path, fixture)
+        report = {
+            "schemaVersion": 1,
+            "task": "M16-GAP-00241",
+            "operation": "ARMATURE_EXTRUDE_MOVE_DESKTOP",
+            "fixture": str(fixture),
+            "fixtureSha256": hashlib.sha256(fixture.read_bytes()).hexdigest(),
+            "before": before,
+            "after": reopened,
+            "sourceBone": SOURCE_BONE,
+            "extrudeBone": EXTRUDE_BONE,
+            "translation": [0.0, 1.0, 0.0],
+            "poll": poll,
+            "operatorStatus": "FINISHED" if changed else "SKIPPED_ALREADY_APPLIED",
+            "mainMutation": "SELECTED_TAIL_EXTRUDED_AND_MOVED" if changed else "SELECTED_TAIL_ALREADY_EXTRUDED_AND_MOVED",
+            "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(f"armature-extrude-move-desktop-ok extrude={EXTRUDE_BONE} translation=0,1,0 saveReopen=exact")
+    finally:
+        temporary_path.unlink(missing_ok=True)
+
+
+if __name__ == "__main__":
+    try:
+        main()
+    except Exception as error:
+        print(f"armature-extrude-move-desktop-failed: {error}")
+        raise SystemExit(1)