Continue Blender Web parity task handoff

tools/web/check-action-armature-autoside-names-desktop.py

@@ -0,0 +1,108 @@
+#!/usr/bin/env python3
+import hashlib
+import json
+import os
+import pathlib
+import shutil
+import sys
+import tempfile
+
+import bpy
+
+
+ARMATURE_NAME = "WebGapArmatureAutosideArmature"
+OBJECT_NAME = "WebGapArmatureAutosideObject"
+LEFT_NAME = "WebGapArmatureAutosideLeft"
+RIGHT_NAME = "WebGapArmatureAutosideRight"
+LEFT_RENAMED = f"{LEFT_NAME}.L"
+RIGHT_RENAMED = f"{RIGHT_NAME}.R"
+
+
+def vector(value):
+    return [round(float(component), 6) for component in value]
+
+
+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.autoside_names fixture is missing")
+    bones = [
+        {"name": bone.name, "head": vector(bone.head_local), "tail": vector(bone.tail_local)}
+        for bone in armature.bones
+    ]
+    bones.sort(key=lambda value: value["name"])
+    return {"object": OBJECT_NAME, "armature": ARMATURE_NAME, "bones": bones}
+
+
+def run_operator(before):
+    if {bone["name"] for bone in before["bones"]} == {LEFT_RENAMED, RIGHT_RENAMED}:
+        return True, False
+    if {bone["name"] for bone in before["bones"]} != {LEFT_NAME, RIGHT_NAME}:
+        raise RuntimeError(f"unexpected autoside_names input: {before}")
+    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")
+    bpy.ops.armature.select_all(action="SELECT")
+    poll = bool(bpy.ops.armature.autoside_names.poll())
+    if not poll:
+        raise RuntimeError("ARMATURE_OT_autoside_names poll failed")
+    result = bpy.ops.armature.autoside_names(type="XAXIS")
+    if result != {"FINISHED"}:
+        raise RuntimeError(f"ARMATURE_OT_autoside_names returned {result}")
+    bpy.ops.object.mode_set(mode="OBJECT")
+    return poll, True
+
+
+def main():
+    arguments = sys.argv[sys.argv.index("--") + 1 :]
+    if len(arguments) != 2:
+        raise SystemExit("usage: blender -b --factory-startup --python check-action-armature-autoside-names-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()
+    poll, changed = run_operator(before)
+    after = state_report()
+    names = {bone["name"] for bone in after["bones"]}
+    if names != {LEFT_RENAMED, RIGHT_RENAMED}:
+        raise RuntimeError(f"autoside_names did not produce expected suffixes: {before} -> {after}")
+
+    descriptor, temporary = tempfile.mkstemp(prefix="m16-armature-autoside-names-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.autoside_names save/reopen drift: {after} != {reopened}")
+        shutil.copyfile(temporary_path, fixture)
+        report = {
+            "schemaVersion": 1,
+            "task": "M16-GAP-00217",
+            "operation": "ARMATURE_AUTOSIDE_NAMES_DESKTOP",
+            "fixture": str(fixture),
+            "fixtureSha256": hashlib.sha256(fixture.read_bytes()).hexdigest(),
+            "before": before,
+            "after": reopened,
+            "alreadyNamed": not changed,
+            "poll": poll,
+            "operatorStatus": "FINISHED" if changed else "SKIPPED_ALREADY_APPLIED",
+            "mainMutation": "BONES_AUTOSIDE_NAMED" if changed else "ALREADY_AUTOSIDE_NAMED",
+            "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-autoside-names-desktop-ok poll=true names=left-right saveReopen=exact")
+    finally:
+        temporary_path.unlink(missing_ok=True)
+
+
+if __name__ == "__main__":
+    try:
+        main()
+    except Exception as error:
+        print(f"armature-autoside-names-desktop-failed: {error}")
+        raise SystemExit(1)