root@bd5b2ac4ee38:/build# python3 test.py -l 1 -t 0 -o 'dos'
log argument: 1
test argument: 0
options argument: dos

root@bd5b2ac4ee38:/build# OPTIONS=uno python3 test.py -l 1 -t 0 -o 'dos'
log argument: 1
test argument: 0
options argument: uno

root@bd5b2ac4ee38:/build# LOG_LEVEL=feo OPTIONS=uno TEST=666 python3 test.py -l 1 -t 0 -o 'dos'
Traceback (most recent call last):
  File "/build/test.py", line 31, in <module>
    main()
  File "/build/test.py", line 25, in main
    args = parser.parse_args()
  File "/usr/local/lib/python3.9/argparse.py", line 1818, in parse_args
    args, argv = self.parse_known_args(args, namespace)
  File "/usr/local/lib/python3.9/argparse.py", line 1851, in parse_known_args
    namespace, args = self._parse_known_args(args, namespace)
  File "/usr/local/lib/python3.9/argparse.py", line 2060, in _parse_known_args
    start_index = consume_optional(start_index)
  File "/usr/local/lib/python3.9/argparse.py", line 2000, in consume_optional
    take_action(action, args, option_string)
  File "/usr/local/lib/python3.9/argparse.py", line 1928, in take_action
    action(self, namespace, argument_values, option_string)
  File "/build/test.py", line 16, in __call__
    v = self.type(v)
ValueError: invalid literal for int() with base 10: 'feo'

root@bd5b2ac4ee38:/build# LOG_LEVEL=666 OPTIONS=uno TEST=666 python3 test.py -l 1 -t 0 -o 'dos'
log argument: 666
test argument: 0
options argument: uno

root@bd5b2ac4ee38:/build# LOG_LEVEL=666 OPTIONS=cinco TEST=666 python3 test.py -l 1 -t 0 -o 'dos'
Traceback (most recent call last):
  File "/build/test.py", line 31, in <module>
    main()
  File "/build/test.py", line 25, in main
    args = parser.parse_args()
  File "/usr/local/lib/python3.9/argparse.py", line 1818, in parse_args
    args, argv = self.parse_known_args(args, namespace)
  File "/usr/local/lib/python3.9/argparse.py", line 1851, in parse_known_args
    namespace, args = self._parse_known_args(args, namespace)
  File "/usr/local/lib/python3.9/argparse.py", line 2060, in _parse_known_args
    start_index = consume_optional(start_index)
  File "/usr/local/lib/python3.9/argparse.py", line 2000, in consume_optional
    take_action(action, args, option_string)
  File "/usr/local/lib/python3.9/argparse.py", line 1928, in take_action
    action(self, namespace, argument_values, option_string)
  File "/build/test.py", line 14, in __call__
    raise ArgumentTypeError(f'Invalid value {v}')
argparse.ArgumentTypeError: Invalid value cinco

``` root@bd5b2ac4ee38:/build# python3 test.py -l 1 -t 0 -o 'dos' log argument: 1 test argument: 0 options argument: dos ``` ``` root@bd5b2ac4ee38:/build# OPTIONS=uno python3 test.py -l 1 -t 0 -o 'dos' log argument: 1 test argument: 0 options argument: uno ``` ``` root@bd5b2ac4ee38:/build# LOG_LEVEL=feo OPTIONS=uno TEST=666 python3 test.py -l 1 -t 0 -o 'dos' Traceback (most recent call last): File "/build/test.py", line 31, in <module> main() File "/build/test.py", line 25, in main args = parser.parse_args() File "/usr/local/lib/python3.9/argparse.py", line 1818, in parse_args args, argv = self.parse_known_args(args, namespace) File "/usr/local/lib/python3.9/argparse.py", line 1851, in parse_known_args namespace, args = self._parse_known_args(args, namespace) File "/usr/local/lib/python3.9/argparse.py", line 2060, in _parse_known_args start_index = consume_optional(start_index) File "/usr/local/lib/python3.9/argparse.py", line 2000, in consume_optional take_action(action, args, option_string) File "/usr/local/lib/python3.9/argparse.py", line 1928, in take_action action(self, namespace, argument_values, option_string) File "/build/test.py", line 16, in __call__ v = self.type(v) ValueError: invalid literal for int() with base 10: 'feo' ``` ``` root@bd5b2ac4ee38:/build# LOG_LEVEL=666 OPTIONS=uno TEST=666 python3 test.py -l 1 -t 0 -o 'dos' log argument: 666 test argument: 0 options argument: uno ``` ``` root@bd5b2ac4ee38:/build# LOG_LEVEL=666 OPTIONS=cinco TEST=666 python3 test.py -l 1 -t 0 -o 'dos' Traceback (most recent call last): File "/build/test.py", line 31, in <module> main() File "/build/test.py", line 25, in main args = parser.parse_args() File "/usr/local/lib/python3.9/argparse.py", line 1818, in parse_args args, argv = self.parse_known_args(args, namespace) File "/usr/local/lib/python3.9/argparse.py", line 1851, in parse_known_args namespace, args = self._parse_known_args(args, namespace) File "/usr/local/lib/python3.9/argparse.py", line 2060, in _parse_known_args start_index = consume_optional(start_index) File "/usr/local/lib/python3.9/argparse.py", line 2000, in consume_optional take_action(action, args, option_string) File "/usr/local/lib/python3.9/argparse.py", line 1928, in take_action action(self, namespace, argument_values, option_string) File "/build/test.py", line 14, in __call__ raise ArgumentTypeError(f'Invalid value {v}') argparse.ArgumentTypeError: Invalid value cinco ```