log_file_analysis_1.py

# Approach takes into consideration multiple log files stored locally with a .gz format
log_file_slugs = os.listdir(r'C:\Users\Derek.Hawkins\Log File Analysis Folder')
log_file_slugs = [x for x in log_file_slugs if '.gz' in x]
main = []
for i in log_file_slugs:
    with gzip.open(r'C:\Users\Derek.Hawkins\Log File Analysis\{}'.format(i),'r') as fin:        
        for line in tqdm(fin):
            try:
                main.append(log_parse(line.decode()))
            except AttributeError as e:
                print(line.decode())
                pass