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[Python] Fixed the issue with nested unions relying on InitFromBuf. (#7576)

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* feat: Fixed the issue with nested unions relying on InitFromBuf.
Problem: Issue #7569
Nested Unions were broken with the introduction of parsing buffers with an initial encoding offset.

Fix:
Revert the InitFromBuf method to the previous version and introduction of InitFromPackedBuf that allows
users to read types from packed buffers applying the offset automatically.

Test:
Added in TestNestedUnionTables to test the encoding and decoding ability using a nested table with a
union field.

* fix: Uncommented generate code command
This commit is contained in:
Joshua Smith
2022-10-26 22:56:52 +01:00
committed by GitHub
parent 5a48b0d7d6
commit 043a24f2e4
30 changed files with 766 additions and 65 deletions
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8
tests/MyGame/Example/NestedStruct.py
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@@ -111,11 +111,15 @@ class NestedStructT(object):
@classmethod
def InitFromBuf(cls, buf, pos):
n = flatbuffers.encode.Get(flatbuffers.packer.uoffset, buf, 0)
nestedStruct = NestedStruct()
nestedStruct.Init(buf, pos+n)
nestedStruct.Init(buf, pos)
return cls.InitFromObj(nestedStruct)
@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, nestedStruct):
x = NestedStructT()