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add sdo support for bbb models

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This commit is contained in:
aronwk-aaron 2022-10-24 20:57:04 -05:00
parent 3fa8bd4651
commit 000a8c47bf
1 changed files with 11 additions and 1 deletions
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12
app/properties.py
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@ -411,10 +411,20 @@ def download_model(id):
def ugc(content):
ugc_data = UGC.query.filter(UGC.id == content.ugc_id).first()
uncompressed_lxfml = zlib.decompress(ugc_data.lxfml)
uncompressed_lxfml = decompress(ugc_data.lxfml)
response = make_response(uncompressed_lxfml)
return response, ugc_data.filename
def decompress(data):
assert data[:5] == b"sd0\x01\xff"
pos = 5
out = b""
while pos < len(data):
length = int.from_bytes(data[pos:pos+4], "little")
pos += 4
out += zlib.decompress(data[pos:pos+length])
pos += length
return out
def prebuilt(content, file_format, lod):
# translate LOT to component id