Python Snippets

utils.py

def unpack_text(text, separator, expected_length = 0, begin = 0, default = None):
    """
    Unpacks a text into a list of words separated by a separator,
    with a given expected length, and a given beginning.
    
    Returns a list of words, limited by the expected length and beginning,
    with a default value if the length is shorter than expected.
    
    Parameters:
        text: string to unpack
        separator: string to separate the text
        expected_length: expected length of the list
        begin: beginning of the list
        default: default value to fill the list if the length is shorter than expected
    """
    words = text.split(separator)
    words_length = len(words)
    
    expected_total = begin + expected_length or words_length
    
    defaults = [default] * (expected_total - words_length)
    
    list = [word.strip() for word in words] + defaults
    limited_list = list[begin:expected_total]
    
    return limited_list