[Numpy-discussion] Views of memmaps and offset
Charles R Harris
Sat Sep 22 12:55:30 CDT 2012
On Sat, Sep 22, 2012 at 11:52 AM, Charles R Harris <
> On Sat, Sep 22, 2012 at 11:31 AM, Gael Varoquaux <
> email@example.com> wrote:
>> On Sat, Sep 22, 2012 at 11:16:27AM -0600, Charles R Harris wrote:
>> > I think this is a bug, taking a view should probably update the
>> OK, we can include a fix for that alongside with the patch to keep track
>> of the filename.
> It already tracks the file name
> In : a = np.memmap('tmp.mmap', dtype=np.float64, shape=50, mode='w+',
> In : b = a[10:]
> In : b.filename
> Out: '/home/charris/tmp.mmap'
> or did you mean something else? I was guessing the fix could be mad in the
> same place that copied over the filename.
You can also tell it is a memmap
In : b._mmap
Out: <mmap.mmap at 0x2312570>
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