Added ask and pause functions

scripts/wk/std.py

@@ -3,6 +3,7 @@
 
 import logging
 import os
+import re
 import sys
 
 try:
@@ -27,6 +28,20 @@ LOG = logging.getLogger(__name__)
 
 
 # Functions
+def ask(prompt='Kotaero!'):
+  """Prompt the user with a Y/N question, returns bool."""
+  answer = None
+  prompt = '{} [Y/N]: '.format(prompt)
+  while answer is None:
+    tmp = input_text(prompt)
+    if re.search(r'^y(es|)$', tmp, re.IGNORECASE):
+      answer = True
+    elif re.search(r'^n(o|ope|)$', tmp, re.IGNORECASE):
+      answer = False
+  LOG.info('%s%s', prompt, 'Yes' if answer else 'No')
+  return answer
+
+
 def input_text(prompt='Enter text'):
   """Get text from user, returns string."""
   prompt = str(prompt)
@@ -40,7 +55,7 @@ def input_text(prompt='Enter text'):
       tcflush(sys.stdin, TCIOFLUSH)
     try:
       response = input(prompt)
-      LOG.debug('%s.input_text response: %s', __name__, response)
+      LOG.debug('%s%s', prompt, response)
     except EOFError:
       # Ignore and try again
       LOG.warning('Exception occured', exc_info=True)
@@ -49,5 +64,10 @@ def input_text(prompt='Enter text'):
   return response
 
 
+def pause(prompt='Press Enter to continue... '):
+  """Simple pause implementation."""
+  input_text(prompt)
+
+
 if __name__ == '__main__':
   print("This file is not meant to be called directly.")