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add sdo support for bbb models
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@ -411,10 +411,20 @@ def download_model(id):
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def ugc(content):
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ugc_data = UGC.query.filter(UGC.id == content.ugc_id).first()
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uncompressed_lxfml = zlib.decompress(ugc_data.lxfml)
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uncompressed_lxfml = decompress(ugc_data.lxfml)
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response = make_response(uncompressed_lxfml)
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return response, ugc_data.filename
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def decompress(data):
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assert data[:5] == b"sd0\x01\xff"
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pos = 5
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out = b""
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while pos < len(data):
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length = int.from_bytes(data[pos:pos+4], "little")
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pos += 4
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out += zlib.decompress(data[pos:pos+length])
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pos += length
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return out
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def prebuilt(content, file_format, lod):
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# translate LOT to component id
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