dtype_bytes_or_chars

astropy.utils.misc.dtype_bytes_or_chars(dtype)[source]

Parse the number out of a dtype.str value like ‘<U5’ or ‘<f8’.

See #5819 for discussion on the need for this function for getting the number of characters corresponding to a string dtype.

Parameters:
dtype : numpy dtype object

Input dtype

Returns:
bytes_or_chars : int or None

Bits (for numeric types) or characters (for string types)