"""Utilities related to user input."""
-import readchar # type: ignore
+import logging
import signal
import sys
from typing import List
+import readchar # type: ignore
+
import exceptions
+logger = logging.getLogger(__file__)
+
def single_keystroke_response(
valid_responses: List[str],
try:
while True:
response = readchar.readchar()
+ logger.debug('Keystroke: 0x%x', ord(response))
if response in valid_responses:
break
if ord(response) in os_special_keystrokes:
print(prompt, end="")
sys.stdout.flush()
try:
- response = _single_keystroke_response_internal(
- valid_responses, timeout_seconds
- )
+ response = _single_keystroke_response_internal(valid_responses, timeout_seconds)
+ if ord(response) == 3:
+ raise KeyboardInterrupt('User pressed ^C in input_utils.')
+
except exceptions.TimeoutError:
if default_response is not None:
response = default_response