ubuntutools.question: Catch EOF and SIGINT on all input and bail out.

(LP: #1037488)

debian/changelog

@@ -17,6 +17,8 @@ ubuntu-dev-tools (0.144) UNRELEASED; urgency=low
     - Explain that backports aren't to fix bugs.
   * sponsor-patch: Don't fall over bugs targetted at the development release
     (LP: #936014)
+  * ubuntutools.question: Catch EOF and SIGINT on all input and bail out.
+    (LP: #1037488)
 
   [ Benjamin Drung ]
   * seeded-in-ubuntu: State in error message that it takes a source package.

ubuntutools/question.py

@@ -55,7 +55,11 @@ class Question(object):
 
         selected = None
         while selected not in self.options:
-            selected = raw_input(question).strip().lower()
+            try:
+                selected = raw_input(question).strip().lower()
+            except (EOFError, KeyboardInterrupt):
+                print '\nAborting as requested.'
+                sys.exit(1)
             if selected == "":
                 selected = default
             else:
@@ -81,7 +85,11 @@ def input_number(question, min_number, max_number, default=None):
         question += "? "
     selected = None
     while selected < min_number or selected > max_number:
-        selected = raw_input(question).strip()
+        try:
+            selected = raw_input(question).strip()
+        except (EOFError, KeyboardInterrupt):
+            print '\nAborting as requested.'
+            sys.exit(1)
         if default and selected == "":
             selected = default
         else:
@@ -106,7 +114,7 @@ def confirmation_prompt(message=None, action=None):
         message = 'Press [Enter] to %s. Press [Ctrl-C] to abort now.' % action
     try:
         raw_input(message)
-    except KeyboardInterrupt:
+    except (EOFError, KeyboardInterrupt):
         print '\nAborting as requested.'
         sys.exit(1)