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Fix 'raw' version of blendfile.py reader.

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Broken after changes to blendfile header reading code, the
`BlendFileBlockRaw` class was not updated.
This commit is contained in:
Bastien Montagne
2025-07-21 15:49:50 +02:00
parent ddd0eb1891
commit 17de1678ba
1 changed files with 4 additions and 42 deletions
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46
tools/modules/blendfile.py
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@@ -525,8 +525,6 @@ class BlendFileRaw:
"header",
# struct.Struct
"block_header_struct",
# namedtuple
"block_header_fields",
# BlendFileBlock
"blocks",
# dict {addr_old: block}
@@ -543,7 +541,7 @@ class BlendFileRaw:
log.debug("initializing reading blend-file")
self.handle = handle
self.header = BlendFileHeader(handle)
self.block_header_struct, self.block_header_fields = self.header.create_block_header_struct()
self.block_header_struct = self.header.create_block_header_struct()
self.blocks = []
self.code_index = {}
@@ -613,7 +611,7 @@ class BlendFileRaw:
self.structs[sdna_index_next].dna_type_id.decode('ascii')))
class BlendFileBlockRaw:
class BlendFileBlockRaw(_blendfile_header.BlockHeader):
"""
Instance of a raw blend-file block (only contains its header currently).
"""
@@ -641,46 +639,10 @@ class BlendFileBlockRaw:
))
def __init__(self, handle, bfile):
super().__init__(handle, bfile.block_header_struct)
self.file = bfile
self.user_data = None
data = handle.read(bfile.block_header_struct.size)
if len(data) != bfile.block_header_struct.size:
print("WARNING! Blend file seems to be badly truncated!")
self.code = b'ENDB'
self.size = 0
self.addr_old = 0
self.sdna_index = 0
self.count = 0
self.file_offset = 0
return
# Header can be just 8 byte because of ENDB block in old .blend files.
if len(data) > 8:
blockheader = bfile.block_header_fields(*bfile.block_header_struct.unpack(data))
self.code = blockheader[0].partition(b'\0')[0]
if self.code != b'ENDB':
self.size = blockheader.len
self.addr_old = blockheader.old
self.sdna_index = blockheader.SDNAnr
self.count = blockheader.nr
self.file_offset = handle.tell()
else:
self.size = 0
self.addr_old = 0
self.sdna_index = 0
self.count = 0
self.file_offset = 0
else:
OLDBLOCK = struct.Struct(b'4sI')
blockheader = OLDBLOCK.unpack(data)
self.code = blockheader[0].partition(b'\0')[0]
self.code = DNA_IO.read_data0(blockheader[0])
self.size = 0
self.addr_old = 0
self.sdna_index = 0
self.count = 0
self.file_offset = 0
self.file_offset = handle.tell()
def get_data_hash(self, seed=1):
"""