some new features

.venv/lib/python3.12/site-packages/openpyxl/chart/updown_bars.py

@@ -0,0 +1,31 @@
+# Copyright (c) 2010-2024 openpyxl
+
+from openpyxl.descriptors.serialisable import Serialisable
+from openpyxl.descriptors import Typed
+from openpyxl.descriptors.excel import ExtensionList
+
+from .shapes import GraphicalProperties
+from .axis import ChartLines
+from .descriptors import NestedGapAmount
+
+
+class UpDownBars(Serialisable):
+
+    tagname = "upbars"
+
+    gapWidth = NestedGapAmount()
+    upBars = Typed(expected_type=ChartLines, allow_none=True)
+    downBars = Typed(expected_type=ChartLines, allow_none=True)
+    extLst = Typed(expected_type=ExtensionList, allow_none=True)
+
+    __elements__ = ('gapWidth', 'upBars', 'downBars')
+
+    def __init__(self,
+                 gapWidth=150,
+                 upBars=None,
+                 downBars=None,
+                 extLst=None,
+                ):
+        self.gapWidth = gapWidth
+        self.upBars = upBars
+        self.downBars = downBars