added method for easy incrementing

wolph · wolph · commit 3fa2c2de41e2 · 2023-08-21T03:11:01.000+02:00
diff --git a/progressbar/bar.py b/progressbar/bar.py
@@ -576,7 +576,10 @@ def __enter__(self):
 
     def __iadd__(self, value):
         'Updates the ProgressBar by adding a new value.'
-        self.update(self.value + value)
+        return self.increment(value)
+
+    def increment(self, value, *args, **kwargs):
+        self.update(self.value + value, *args, **kwargs)
         return self
 
     def _format_widgets(self):
diff --git a/tests/test_iterators.py b/tests/test_iterators.py
@@ -51,7 +51,8 @@ def test_adding_value():
     p = progressbar.ProgressBar(max_value=10)
     p.start()
     p.update(5)
-    p += 5
+    p += 2
+    p.increment(2)
     with pytest.raises(ValueError):
         p += 5
 
