io.utils: add hdf5_entry_exists

nabu/io/utils.py

@@ -105,6 +105,11 @@ def get_first_hdf5_entry(fname):
     return entry
 
 
+def hdf5_entry_exists(fname, entry):
+    with HDF5File(fname, "r") as fid:
+        res = fid.get(entry, None) is not None
+    return res
+
 def get_h5_value(fname, h5_path, default_ret=None):
     with HDF5File(fname, "r") as fid:
         try: