datetime's not supported in loaders as indices

[pbeaucage]

Loading with a dimension of, e.g., meas_time in SST1RSoXSDB causes errors because it's a date time and a list trick is used.

OBJECT CACHE: Will use up to 121_499_070_873 bytes (15% of total physical RAM)
INFO:tiled.server.object_cache:Will use up to 121_499_070_873 bytes (15% of total physical RAM)
OBJECT CACHE: Will use up to 121_499_070_873 bytes (15% of total physical RAM)
INFO:tiled.server.object_cache:Will use up to 121_499_070_873 bytes (15% of total physical RAM)
/nsls2/users/pbeaucage/PyHyperScattering-devel/src/PyHyperScattering/SST1RSoXSDB.py:102: UserWarning: While loading en_energy_setpoint to infill metadata entry for energy, found beginning and end values unequal: <xarray.DataArray 'en_energy_setpoint' (time: 2)>
array([403.5962788, 404.088584 ])
Coordinates:

• time (time) float64 1.649e+09 1.649e+09
  Attributes:
  object: en. It is possible something is messed up.
  md = self.loadMd(run)
  /nsls2/users/pbeaucage/PyHyperScattering-devel/src/PyHyperScattering/SST1RSoXSDB.py:126: FutureWarning: Using a non-tuple sequence for multidimensional indexing is deprecated; use arr[tuple(seq)] instead of arr[seq]. In the future this will be interpreted as an array index, arr[np.array(seq)], which will result either in an error or a different result.
  darkframe[(data.time - time)>0]=int(n)
  /srv/conda/envs/notebook/lib/python3.7/site-packages/ipykernel_launcher.py:3: UserWarning: corrections other than none are not supported at the moment
  This is separate from the ipykernel package so we can avoid doing imports until

---

TypeError Traceback (most recent call last)
~/PyHyperScattering-devel/src/PyHyperScattering/SST1RSoXSDB.py in loadRun(self, run, dims, coords)
140 try:
--> 141 test = len(md[dim])
142 dims_to_join.append(md[dim])

TypeError: object of type 'datetime.datetime' has no len()

During handling of the above exception, another exception occurred:

TypeError Traceback (most recent call last)
in
1 rsoxsload = PyHyperScattering.load.SST1RSoXSDB(corr_mode='i0')
2 c = from_profile('rsoxs')
----> 3 itp = rsoxsload.loadRun(c[-1])#,dims=['energy'])
4 itp.attrs['start']['plan_name']
5 #%time write_run_artifacts(-7,loader=rsoxsload,catalog=c)

~/PyHyperScattering-devel/src/PyHyperScattering/SST1RSoXSDB.py in loadRun(self, run, dims, coords)
143 dim_names_to_join.append(dim)
144 except TypeError:
--> 145 dims_to_join.append(np.ones(run.start['num_points'])*md[dim])
146 dim_names_to_join.append(dim)
147

TypeError: unsupported operand type(s) for *: 'float' and 'datetime.datetime'