Fix inconsistent Python union creator function naming (#8981)

tests/union_name_test/Container.py

@@ -0,0 +1,120 @@
+# automatically generated by the FlatBuffers compiler, do not modify
+
+# namespace: union_name_test
+
+import flatbuffers
+from flatbuffers.compat import import_numpy
+np = import_numpy()
+
+class Container(object):
+    __slots__ = ['_tab']
+
+    @classmethod
+    def GetRootAs(cls, buf, offset=0):
+        n = flatbuffers.encode.Get(flatbuffers.packer.uoffset, buf, offset)
+        x = Container()
+        x.Init(buf, n + offset)
+        return x
+
+    @classmethod
+    def GetRootAsContainer(cls, buf, offset=0):
+        """This method is deprecated. Please switch to GetRootAs."""
+        return cls.GetRootAs(buf, offset)
+    # Container
+    def Init(self, buf, pos):
+        self._tab = flatbuffers.table.Table(buf, pos)
+
+    # Container
+    def UType(self):
+        o = flatbuffers.number_types.UOffsetTFlags.py_type(self._tab.Offset(4))
+        if o != 0:
+            return self._tab.Get(flatbuffers.number_types.Uint8Flags, o + self._tab.Pos)
+        return 0
+
+    # Container
+    def U(self):
+        o = flatbuffers.number_types.UOffsetTFlags.py_type(self._tab.Offset(6))
+        if o != 0:
+            from flatbuffers.table import Table
+            obj = Table(bytearray(), 0)
+            self._tab.Union(obj, o)
+            return obj
+        return None
+
+def ContainerStart(builder):
+    builder.StartObject(2)
+
+def Start(builder):
+    ContainerStart(builder)
+
+def ContainerAddUType(builder, uType):
+    builder.PrependUint8Slot(0, uType, 0)
+
+def AddUType(builder, uType):
+    ContainerAddUType(builder, uType)
+
+def ContainerAddU(builder, u):
+    builder.PrependUOffsetTRelativeSlot(1, flatbuffers.number_types.UOffsetTFlags.py_type(u), 0)
+
+def AddU(builder, u):
+    ContainerAddU(builder, u)
+
+def ContainerEnd(builder):
+    return builder.EndObject()
+
+def End(builder):
+    return ContainerEnd(builder)
+
+import union_name_test.Bar
+import union_name_test.Foo
+import union_name_test.my_test_union
+try:
+    from typing import Union
+except:
+    pass
+
+class ContainerT(object):
+
+    # ContainerT
+    def __init__(
+        self,
+        uType = 0,
+        u = None,
+    ):
+        self.uType = uType  # type: int
+        self.u = u  # type: Union[None, 'union_name_test.Foo.FooT', 'union_name_test.Bar.BarT']
+
+    @classmethod
+    def InitFromBuf(cls, buf, pos):
+        container = Container()
+        container.Init(buf, pos)
+        return cls.InitFromObj(container)
+
+    @classmethod
+    def InitFromPackedBuf(cls, buf, pos=0):
+        n = flatbuffers.encode.Get(flatbuffers.packer.uoffset, buf, pos)
+        return cls.InitFromBuf(buf, pos+n)
+
+    @classmethod
+    def InitFromObj(cls, container):
+        x = ContainerT()
+        x._UnPack(container)
+        return x
+
+    # ContainerT
+    def _UnPack(self, container):
+        if container is None:
+            return
+        self.uType = container.UType()
+        self.u = union_name_test.my_test_union.MyTestUnionCreator(self.uType, container.U())
+
+    # ContainerT
+    def Pack(self, builder):
+        if self.u is not None:
+            u = self.u.Pack(builder)
+        ContainerStart(builder)
+        ContainerAddUType(builder, self.uType)
+        if self.u is not None:
+            ContainerAddU(builder, u)
+        container = ContainerEnd(builder)
+        return container