Accessing Keys as Class Attributes

In order to access a dictionary key as a class attribute, for a Group or a Metadata object, or the fieldnames of a numpy array in a Dataset, then the following naming rules must be followed:

• the name matches the regex pattern ^[a-zA-Z][a-zA-Z0-9_]*$ – which states that the name must begin with a letter and is followed by zero or more alphanumeric characters or underscores

• the name cannot be equal to any of the following:

  • clear

  • copy

  • fromkeys

  • get

  • read_only

  • items

  • keys

  • pop

  • popitem

  • setdefault

  • update

  • values