Autocomplete shorthand examples

Amazing. Still has some kinks to work out.

Author: jamesls

awsshell/__init__.py

@@ -59,7 +59,11 @@ def get_completions(self, document, complete_event):
             else:
                 display_text = completion
                 display_meta = ''
-            yield Completion(completion, -len(word_before_cursor),
+            if text_before_cursor and text_before_cursor[-1] == ' ':
+                location = 0
+            else:
+                location = -len(word_before_cursor)
+            yield Completion(completion, location,
                              display=display_text, display_meta=display_meta)
 
 

awsshell/autocomplete.py

@@ -82,6 +82,11 @@ def autocomplete(self, line):
                 if next_command is not None:
                     self._current = next_command
                     self._current_name = last_word
+            elif last_word in self.arg_metadata and \
+                    self.arg_metadata[last_word]['example']:
+                # Then this is an arg with a shorthand example so we'll
+                # suggest that example.
+                return [self.arg_metadata[last_word]['example']]
             # Even if we don't change context, we still want to
             # autocomplete all the commands for the current context
             # in either of the above two cases.