str2d.Str2D.validate_valign

classmethod Str2D.validate_valign(valign: str) str[source]

Validate the vertical alignment. The vertical alignment can be ‘top’, ‘middle’, or ‘bottom’. It will lower case the input and raise a ValueError if the input is not one of the valid options.

Parameters:

valign (str) – The vertical alignment.

Returns:

The validated vertical alignment.

Return type:

str

Raises:

ValueError – If the vertical alignment is not ‘top’, ‘middle’, or ‘bottom’.