add flatbuffers

commit 6da1cf79d90eb242e7da5318241d42279a3df3ba
Author: Max Burke <max@urbanlogiq.com>
Date:   Sun Jan 19 14:47:28 2020 -0800

    [rust] Add use declarations to Rust-generated bindings for imported FB definitions (#5645)

    * Bugfix for Rust generation of union fields named with language keywords

flatbuffers/tests/namespace_test/NamespaceA/TableInFirstNS.py

@@ -0,0 +1,103 @@
+# automatically generated by the FlatBuffers compiler, do not modify
+
+# namespace: NamespaceA
+
+import flatbuffers
+from flatbuffers.compat import import_numpy
+np = import_numpy()
+
+class TableInFirstNS(object):
+    __slots__ = ['_tab']
+
+    @classmethod
+    def GetRootAsTableInFirstNS(cls, buf, offset):
+        n = flatbuffers.encode.Get(flatbuffers.packer.uoffset, buf, offset)
+        x = TableInFirstNS()
+        x.Init(buf, n + offset)
+        return x
+
+    # TableInFirstNS
+    def Init(self, buf, pos):
+        self._tab = flatbuffers.table.Table(buf, pos)
+
+    # TableInFirstNS
+    def FooTable(self):
+        o = flatbuffers.number_types.UOffsetTFlags.py_type(self._tab.Offset(4))
+        if o != 0:
+            x = self._tab.Indirect(o + self._tab.Pos)
+            obj = TableInNestedNS()
+            obj.Init(self._tab.Bytes, x)
+            return obj
+        return None
+
+    # TableInFirstNS
+    def FooEnum(self):
+        o = flatbuffers.number_types.UOffsetTFlags.py_type(self._tab.Offset(6))
+        if o != 0:
+            return self._tab.Get(flatbuffers.number_types.Int8Flags, o + self._tab.Pos)
+        return 0
+
+    # TableInFirstNS
+    def FooStruct(self):
+        o = flatbuffers.number_types.UOffsetTFlags.py_type(self._tab.Offset(8))
+        if o != 0:
+            x = o + self._tab.Pos
+            obj = StructInNestedNS()
+            obj.Init(self._tab.Bytes, x)
+            return obj
+        return None
+
+def TableInFirstNSStart(builder): builder.StartObject(3)
+def TableInFirstNSAddFooTable(builder, fooTable): builder.PrependUOffsetTRelativeSlot(0, flatbuffers.number_types.UOffsetTFlags.py_type(fooTable), 0)
+def TableInFirstNSAddFooEnum(builder, fooEnum): builder.PrependInt8Slot(1, fooEnum, 0)
+def TableInFirstNSAddFooStruct(builder, fooStruct): builder.PrependStructSlot(2, flatbuffers.number_types.UOffsetTFlags.py_type(fooStruct), 0)
+def TableInFirstNSEnd(builder): return builder.EndObject()
+
+try:
+    from typing import Optional
+except:
+    pass
+
+class TableInFirstNST(object):
+
+    # TableInFirstNST
+    def __init__(self):
+        self.fooTable = None  # type: Optional[TableInNestedNST]
+        self.fooEnum = 0  # type: int
+        self.fooStruct = None  # type: Optional[StructInNestedNST]
+
+    @classmethod
+    def InitFromBuf(cls, buf, pos):
+        tableInFirstNS = TableInFirstNS()
+        tableInFirstNS.Init(buf, pos)
+        return cls.InitFromObj(tableInFirstNS)
+
+    @classmethod
+    def InitFromObj(cls, tableInFirstNS):
+        x = TableInFirstNST()
+        x._UnPack(tableInFirstNS)
+        return x
+
+    # TableInFirstNST
+    def _UnPack(self, tableInFirstNS):
+        if tableInFirstNS is None:
+            return
+        if tableInFirstNS.FooTable() is not None:
+            self.fooTable = TableInNestedNST.InitFromObj(tableInFirstNS.FooTable())
+        self.fooEnum = tableInFirstNS.FooEnum()
+        if tableInFirstNS.FooStruct() is not None:
+            self.fooStruct = StructInNestedNST.InitFromObj(tableInFirstNS.FooStruct())
+
+    # TableInFirstNST
+    def Pack(self, builder):
+        if self.fooTable is not None:
+            fooTable = self.fooTable.Pack(builder)
+        TableInFirstNSStart(builder)
+        if self.fooTable is not None:
+            TableInFirstNSAddFooTable(builder, fooTable)
+        TableInFirstNSAddFooEnum(builder, self.fooEnum)
+        if self.fooStruct is not None:
+            fooStruct = self.fooStruct.Pack(builder)
+            TableInFirstNSAddFooStruct(builder, fooStruct)
+        tableInFirstNS = TableInFirstNSEnd(builder)
+        return tableInFirstNS