diff options
Diffstat (limited to 'io_blend_utils/blend/blendfile.py')
| -rw-r--r-- | io_blend_utils/blend/blendfile.py | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/io_blend_utils/blend/blendfile.py b/io_blend_utils/blend/blendfile.py index c7a83c38..e471beae 100644 --- a/io_blend_utils/blend/blendfile.py +++ b/io_blend_utils/blend/blendfile.py @@ -30,6 +30,10 @@ log = logging.getLogger("blendfile") FILE_BUFFER_SIZE = 1024 * 1024 +class BlendFileError(Exception): + """Raised when there was an error reading/parsing a blend file.""" + + # ----------------------------------------------------------------------------- # module global routines # @@ -73,9 +77,9 @@ def open_blend(filename, access="rb"): bfile.filepath_orig = filename return bfile else: - raise Exception("filetype inside gzip not a blend") + raise BlendFileError("filetype inside gzip not a blend") else: - raise Exception("filetype not a blend or a gzip blend") + raise BlendFileError("filetype not a blend or a gzip blend") def pad_up_4(offset): @@ -143,11 +147,14 @@ class BlendFile: self.blocks.append(block) if not self.structs: - raise Exception("No DNA1 block in file, this is not a valid .blend file!") + raise BlendFileError("No DNA1 block in file, this is not a valid .blend file!") # cache (could lazy init, incase we never use?) self.block_from_offset = {block.addr_old: block for block in self.blocks if block.code != b'ENDB'} + def __repr__(self): + return '<%s %r>' % (self.__class__.__qualname__, self.handle) + def __enter__(self): return self |