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September 21, 2022 02:44
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| #!/usr/bin/env python3 | |
| # | |
| # Author: Sami Menik, Fall 2022 | |
| # | |
| # The program parses the time stamp of the current directory and calculate extra credit for | |
| # the submission. | |
| # | |
| # Usage: extra_credit [<extra-credit-deadline> <extra-credit>] ... | |
| # | |
| # Format of <extra-credit-deadline>: yyyy/mm/dd HH:MM:SS | |
| # Type of <extra-credit> should be an int | |
| import re | |
| import os | |
| import sys | |
| from datetime import datetime | |
| def cur_dir_name(): | |
| directory_path = os.getcwd() | |
| return os.path.basename(directory_path) | |
| def extract_datetime_suffix(dir_name): | |
| return dir_name[-31:-11] | |
| def parse_datetime_str(datetime_str): | |
| # Format: yyyy/mm/dd HH:MM:SS | |
| return datetime.strptime(datetime_str, '%Y/%m/%d %H:%M:%S') | |
| def parse_dir_datetime_suffix(dir_datetime_suffix): | |
| datetime_parts = re.search('([a-z]+)_+([0-9]+)_+([0-9]+)_+([0-9]+)_+([0-9]+)_+([0-9]+)', dir_datetime_suffix, re.IGNORECASE) | |
| month = datetime_parts.group(1) | |
| date = datetime_parts.group(2) | |
| hour = datetime_parts.group(3) | |
| min = datetime_parts.group(4) | |
| sec = datetime_parts.group(5) | |
| year = datetime_parts.group(6) | |
| parsable_datetime_str = '{}/{}/{} {}:{}:{}'.format(year, month, date, hour, min, sec) | |
| return datetime.strptime(parsable_datetime_str, '%Y/%b/%d %H:%M:%S') | |
| def parse_cur_dir_datetime_suffix(): | |
| curr_dir_name = cur_dir_name() | |
| dir_datetime_suffix = extract_datetime_suffix(curr_dir_name) | |
| date_time = parse_dir_datetime_suffix(dir_datetime_suffix) | |
| return date_time | |
| def parse_extra_credit_deadline(deadline_str, credit): | |
| deadline = parse_datetime_str(deadline_str) | |
| credit = int(credit) | |
| return (deadline, credit) | |
| def parse_extra_credit_deadlines(args): | |
| extra_credit_deadlines = [] | |
| for i in range(0, len(args), 2): | |
| deadline_str = args[i] | |
| credit = args[i + 1] | |
| deadline_credit_pair = parse_extra_credit_deadline(deadline_str, credit) | |
| extra_credit_deadlines.append(deadline_credit_pair) | |
| return extra_credit_deadlines | |
| def find_best_extra_credit(extra_creidt_deadlines, curr_dir_datetime): | |
| # Sort extra credit deadlines from earliest to latest. | |
| extra_creidt_deadlines.sort(key=lambda deadline_credit_pair: deadline_credit_pair[0]) | |
| # Find the earliest applicable deadline. | |
| for deadline_credit_pair in extra_creidt_deadlines: | |
| (deadline, credit) = deadline_credit_pair | |
| if curr_dir_datetime <= deadline: | |
| return credit | |
| # No applicable extra credit deadline was found. | |
| return 0 | |
| def print_arg_format_error_msg(): | |
| print('Call the program with the following args:', file=sys.stderr) | |
| print('extra_credit [<extra-credit-deadline> <extra-credit>] ...', file=sys.stderr) | |
| print('Format of <extra-credit-deadline>: yyyy/mm/dd HH:MM:SS', file=sys.stderr) | |
| def print_extra_creidt_msg(extra_credit): | |
| if extra_credit > 0: | |
| print('The submission receives {} extra credits.'.format(extra_credit)) | |
| else: | |
| print('The submission does not receive extra credit.') | |
| def main(): | |
| args = sys.argv[1:] | |
| if len(args) % 2 != 0: | |
| print_arg_format_error_msg() | |
| sys.exit(1) | |
| try: | |
| curr_dir_datetime = parse_cur_dir_datetime_suffix() | |
| except: | |
| print('Current directory does not have a valid date time suffix.', file=sys.stderr) | |
| sys.exit(1) | |
| try: | |
| extra_creidt_deadlines = parse_extra_credit_deadlines(args) | |
| except: | |
| print_arg_format_error_msg() | |
| sys.exit(1) | |
| extra_credit = find_best_extra_credit(extra_creidt_deadlines, curr_dir_datetime) | |
| print_extra_creidt_msg(extra_credit) | |
| main() |
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