convert a csv file to an array

gistfile1.py

def csvfile_to_array(csvfilepath, delimiter=',', ignore_header=False, set_required_num_cols=(True, 4)):
    results = []
    with open(csvfilepath, 'r') as csvfile:
        ctareader = csv.reader(csvfile, delimiter=delimiter)
        if ignore_header:
            next(ctareader, None)
        for row in ctareader:
            if set_required_num_cols[0]:
                # hackishly doubly check for None and for cols in one pass
                if len([v for v in row if v]) == set_required_num_cols[1]:
                    results.append(row)
            else:
                results.append(row)
    return results