[issue28646] Using a read-only buffer.

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[issue28646] Using a read-only buffer.

Martin Panter added the comment: Issue 11427 has some discussion about this. It seems one concern was to make it hard to modify the buffer of a bytes object (which is supposed to be immutable). But I agree there should be an easy way to access read-only buffers in ctypes. Perhaps that could be

[issue28646] Using a read-only buffer.

New submission from Michael Rolle: Suggest that the _CData.from_buffer (source) method allow a read-only source as an argument, in which case any assignments to the object would raise some type of exception. If the source is shared with some writable object, then changes to said object would be r