Fix option-backspace behavior

afrieder · sebastinas · commit 836bb87d2a4f · 2017-07-10T09:30:24.000+02:00
diff --git a/bpython/curtsiesfrontend/manual_readline.py b/bpython/curtsiesfrontend/manual_readline.py
@@ -323,7 +323,7 @@ def titlecase_next_word(cursor_offset, line):
     return cursor_offset, line  # TODO Not implemented
 
 
-delete_word_from_cursor_back_re = LazyReCompile(r'\b\w')
+delete_word_from_cursor_back_re = LazyReCompile(r'^|\b\w')
 
 
 @edit_keys.on('<Esc+BACKSPACE>')
diff --git a/bpython/test/test_manual_readline.py b/bpython/test/test_manual_readline.py
@@ -240,6 +240,12 @@ def test_delete_word_from_cursor_back(self):
             "|"],
             delete_word_from_cursor_back)
 
+        self.try_stages_kill([
+            " (( asdf |",
+            " (( |",
+            "|"],
+            delete_word_from_cursor_back)
+
 
 class TestEdits(unittest.TestCase):
 
