68 lines
2.4 KiB
Python
68 lines
2.4 KiB
Python
#!/usr/bin/env python3
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import hashlib
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import json
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import os
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import pathlib
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import sys
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import tempfile
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import bpy
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OPERATIONS = ("Translate", "Merge", "Dissolve", "Extrude", "Inset", "Bevel", "LoopCut")
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def mesh_report(label):
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obj = bpy.data.objects.get("WBV2P2003%sObject" % label)
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if obj is None or obj.type != "MESH":
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raise RuntimeError("MESH_EDIT_INVALID: operation fixture object is missing")
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mesh = obj.data
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return {
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"objectId": "object:" + obj.name,
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"meshId": "mesh:" + mesh.name,
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"vertexCount": len(mesh.vertices),
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"edgeCount": len(mesh.edges),
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"faceCount": len(mesh.polygons),
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"triangleCount": sum(max(0, len(poly.vertices) - 2) for poly in mesh.polygons),
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"positionHash": hashlib.sha256(json.dumps([tuple(round(float(value), 6) for value in vertex.co) for vertex in mesh.vertices], separators=(",", ":")).encode()).hexdigest(),
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}
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def report():
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return {label: mesh_report(label) for label in OPERATIONS}
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def main():
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arguments = sys.argv[sys.argv.index("--") + 1 :]
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if len(arguments) != 2:
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raise SystemExit("usage: blender -b --python check-wbv2-p2-003-desktop.py -- FIXTURE REPORT")
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fixture, output = (pathlib.Path(value).resolve() for value in arguments)
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bpy.ops.wm.open_mainfile(filepath=str(fixture), load_ui=True)
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before = report()
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descriptor, temporary = tempfile.mkstemp(prefix="wbv2-p2-003-reopen-", suffix=".blend", dir=fixture.parent)
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os.close(descriptor)
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try:
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bpy.ops.wm.save_as_mainfile(filepath=temporary, check_existing=False, compress=True)
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bpy.ops.wm.open_mainfile(filepath=temporary, load_ui=True)
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after = report()
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finally:
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pathlib.Path(temporary).unlink(missing_ok=True)
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if before != after:
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raise RuntimeError(f"MESH_EDIT_INVALID: desktop save/reopen drift: {before} != {after}")
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value = {
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"schemaVersion": 1,
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"task": "WBV2-P2-003",
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"operation": "MESH_EDIT_CORE_DESKTOP",
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"fixtureSha256": hashlib.sha256(fixture.read_bytes()).hexdigest(),
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"meshes": after,
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"saveReopen": "EXACT",
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"blenderVersion": bpy.app.version_string,
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}
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output.parent.mkdir(parents=True, exist_ok=True)
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output.write_text(json.dumps(value, indent=2, sort_keys=True) + "\n", encoding="utf-8")
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print("wbv2-p2-003-desktop-ok meshes=%d topology=quad saveReopen=exact" % len(after))
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if __name__ == "__main__":
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main()
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