[Users] .h5 file issue.

[Erik Schnetter]

Bilal

The error message is "No such file or directory". Are you sure the
file name is correct? Can you "ls" the file? Can you run "h5ls" on it
to display the contents?

-erik

On Tue, Sep 1, 2020 at 9:11 AM Bilal Hameed
<bilalhameedawan962 at gmail.com> wrote:
>
> Dear Users,
>
> I am trying to open a .h5 file in jupyter-notebook. Please anyone guide me about reading of HDF files.
>
> Command;
>
>
> import h5py
> filename = "ct_multilevel-err.h5"
> with h5py.File(filename, "r") as f:
>     # List all groups
>     print("Keys: %s" % f.keys())
>     a_group_key = list(f.keys())[0]
>
>     # Get the data
>     data = list(f[a_group_key])
>
> Error;
>
> IOError                                   Traceback (most recent call last)
> <ipython-input-12-769b4593257a> in <module>()
>       1 filename = "ct_multilevel-err.h5"
> ----> 2 with h5py.File(filename, "r") as f:
>       3     # List all groups
>       4     print("Keys: %s" % f.keys())
>       5     a_group_key = list(f.keys())[0]
>
> /usr/local/lib/python2.7/dist-packages/h5py/_hl/files.pyc in __init__(self, name, mode, driver, libver, userblock_size, swmr, rdcc_nslots, rdcc_nbytes, rdcc_w0, track_order, **kwds)
>     406                 fid = make_fid(name, mode, userblock_size,
>     407                                fapl, fcpl=make_fcpl(track_order=track_order),
> --> 408                                swmr=swmr)
>     409
>     410             if isinstance(libver, tuple):
>
> /usr/local/lib/python2.7/dist-packages/h5py/_hl/files.pyc in make_fid(name, mode, userblock_size, fapl, fcpl, swmr)
>     171         if swmr and swmr_support:
>     172             flags |= h5f.ACC_SWMR_READ
> --> 173         fid = h5f.open(name, flags, fapl=fapl)
>     174     elif mode == 'r+':
>     175         fid = h5f.open(name, h5f.ACC_RDWR, fapl=fapl)
>
> h5py/_objects.pyx in h5py._objects.with_phil.wrapper()
>
> h5py/_objects.pyx in h5py._objects.with_phil.wrapper()
>
> h5py/h5f.pyx in h5py.h5f.open()
>
> IOError: Unable to open file (unable to open file: name = 'ct_multilevel-err.h5', errno = 2, error message = 'No such file or directory', flags = 0, o_flags = 0)
>
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-- 
Erik Schnetter <schnetter at cct.lsu.edu>
http://www.perimeterinstitute.ca/personal/eschnetter/