hcronk / oco_vistool Goto Github PK

In [18]: import h5py, netCDF4
In [19]: litefile = '/data/OCO2_product/OCO2_L2_Lite_SIF.8r/2017/oco2_LtSIF_170101_B8100r_171012011053s.nc4'
In [20]: with h5py.File(litefile,'r') as h5:
    ...:     print(h5['SIF_757nm'].attrs.get('unit')) 
    ...:
---------------------------------------------------------------------------
OSError                                   Traceback (most recent call last)
<ipython-input-20-c6d9a9a57b05> in <module>
      1 with h5py.File(litefile,'r') as h5:
----> 2     print(h5['SIF_757nm'].attrs.get('unit'))
      3 

~/miniconda3/envs/vistools/lib/python3.6/_collections_abc.py in get(self, key, default)
    658         'D.get(k[,d]) -> D[k] if k in D, else d.  d defaults to None.'
    659         try:
--> 660             return self[key]
    661         except KeyError:
    662             return default

h5py/_objects.pyx in h5py._objects.with_phil.wrapper()

h5py/_objects.pyx in h5py._objects.with_phil.wrapper()

~/miniconda3/envs/vistools/lib/python3.6/site-packages/h5py/_hl/attrs.py in __getitem__(self, name)
     79 
     80         arr = numpy.ndarray(shape, dtype=dtype, order='C')
---> 81         attr.read(arr, mtype=htype)
     82 
     83         if len(arr.shape) == 0:

h5py/_objects.pyx in h5py._objects.with_phil.wrapper()

h5py/_objects.pyx in h5py._objects.with_phil.wrapper()

h5py/h5a.pyx in h5py.h5a.AttrID.read()

h5py/_proxy.pyx in h5py._proxy.attr_rw()

OSError: Unable to read attribute (no appropriate function for conversion path)

In [21]: with netCDF4.Dataset(litefile, 'r') as nc:
    ...:     print(nc['SIF_757nm'].unit)
    ...:
W/m2/sr/µm