Remove empty entries during string split

Question

Currently I use this helper function to remove the empty entries.

Is there a built-in way for this?

def getNonEmptyList(str, splitSym):
    lst=str.split(splitSym)

    lst1=[]
    for entry in lst:
        if entry.strip() !='':
            lst1.append(entry)

    return lst1

Answer 1

str.split(sep=None, maxsplit=-1)

If sep is not specified or is None, a different splitting algorithm is applied: runs of consecutive whitespace are regarded as a single separator, and the result will contain no empty strings at the start or end if the string has leading or trailing whitespace.

For example:

>>> '1 2 3'.split()
['1', '2', '3']
>>> '1 2 3'.split(maxsplit=1)
['1', '2 3']
>>> '   1   2   3   '.split()
['1', '2', '3']

Answer 2

This split could be done more compactly with a comprehension like:

def getNonEmptyList(str, splitSym):
    return [s for s in str.split(splitSym) if s.strip() != '']

Answer 3

You could use filter

def get_non_empty_list(s, delimiter):
    return list(filter(str.strip, s.split(delimiter)))