2.2.26. czekitout.convert.to_pair_of_nonnegative_ints

to_pair_of_nonnegative_ints(obj, obj_name)

Convert input object to a two-element tuple of non-negative int objects.

If the input object is not a pair of non-negative integers, then an exception is raised with the message:

The object ``<obj_name>`` must be a pair of non-negative integers.

where <obj_name> is replaced by the contents of the string obj_name. In the case that an exception is raised, said exception is of the type TypeError if the input object is not a pair of integers, otherwise said exception is of the type ValueError.

Parameters:

objany type

Input object.

obj_namestr

Name of the input object.

Returns:

resulttuple (int)

The object resulting from the conversion.