Delete obsolete _robust_bool and get_parent_attr (#265)

aospy/utils/io.py

@@ -5,36 +5,6 @@
 import numpy as np
 
 
-def _robust_bool(obj):
-    try:
-        return bool(obj)
-    except ValueError:
-        return obj.any()
-
-
-def get_parent_attr(obj, attr, strict=False):
-    """Search recursively through an object and its parent for an attribute.
-
-    Check if the object has the given attribute and it is non-empty.  If not,
-    check each parent object for the attribute and use the first one found.
-    """
-    attr_val = getattr(obj, attr, False)
-    if _robust_bool(attr_val):
-        return attr_val
-
-    else:
-        for parent in ('parent', 'run', 'model', 'proj'):
-            parent_obj = getattr(obj, parent, False)
-            if parent_obj:
-                return get_parent_attr(parent_obj, attr, strict=strict)
-
-        if strict:
-            raise AttributeError('Attribute %s not found in parent of %s'
-                                 % (attr, obj))
-        else:
-            return None
-
-
 def data_in_label(intvl_in, dtype_in_time, dtype_in_vert=False):
     """Create string label specifying the input data of a calculation."""
     intvl_lbl = intvl_in