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Add clarification about unsupported mode in docs of blosc.open #410

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FrancescAlted merged 1 commit into from
May 16, 2025
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Add clarification about unsupported mode in docs of blosc.open #410

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5 changes: 4 additions & 1 deletion src/blosc2/schunk.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1451,7 +1451,10 @@ def open(
mmap_mode: str, optional
If set, the file will be memory-mapped instead of using the default
I/O functions and the `mode` argument will be ignored.
For more info, see :class:`blosc2.Storage`.
For more info, see :class:`blosc2.Storage`. Please note that the `w+` mode, which
can be used to create new files, is not supported here since only existing files
can be opened. You can use :func:`SChunk.__init__ <blosc2.schunk.SChunk.__init__>`
to create new files.
initial_mapping_size: int, optional
The initial size of the memory mapping. For more info, see :class:`blosc2.Storage`.
cparams: dict
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