convert tabs in rl_history entries to spaces

thomasballinger · thomasballinger · commit 8fbb11e1ec33 · 2014-10-17T20:34:00.000-04:00
This will lead to duplicate history entries because the strings
will no longer match, but it's an improvement
diff --git a/bpython/curtsiesfrontend/repl.py b/bpython/curtsiesfrontend/repl.py
@@ -643,14 +643,16 @@ def yank_from_buffer(self):
 
     def up_one_line(self):
         self.rl_history.enter(self.current_line)
-        self._set_current_line(self.rl_history.back(False, search=self.config.curtsies_right_arrow_completion),
-                               reset_rl_history=False)
+        self._set_current_line(tabs_to_spaces(self.rl_history.back(False,
+            search=self.config.curtsies_right_arrow_completion)),
+            reset_rl_history=False)
         self._set_cursor_offset(len(self.current_line), reset_rl_history=False)
 
     def down_one_line(self):
         self.rl_history.enter(self.current_line)
-        self._set_current_line(self.rl_history.forward(False, search=self.config.curtsies_right_arrow_completion),
-                               reset_rl_history=False)
+        self._set_current_line(tabs_to_spaces(self.rl_history.forward(False,
+            search=self.config.curtsies_right_arrow_completion)),
+            reset_rl_history=False)
         self._set_cursor_offset(len(self.current_line), reset_rl_history=False)
 
     def process_simple_keypress(self, e):
@@ -1369,6 +1371,9 @@ def key_help_text(self):
 def is_nop(char):
     return unicodedata.category(unicode(char)) == 'Cc'
 
+def tabs_to_spaces(line):
+    return line.replace('\t', '    ')
+
 def compress_paste_event(paste_event):
     """If all events in a paste event are identical and not simple characters, returns one of them
 
