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Optionally generate Python type annotations (#7858)

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* optionally generate type prefixes and suffixes for python code

* fix codegen error when qualified name is empty

* WIP: Python typing

* more progress towards python typing

* Further iterate on Python generated code typing

* clang-format

* Regenerate code

* add documentation for Python type annotations option

* generate code with Python type annotations

* handle forward references

* clang-format
This commit is contained in:
Max Burke
2023-04-28 09:38:29 -07:00
committed by GitHub
parent 6eae49a79a
commit a397dd7e8c
35 changed files with 1295 additions and 979 deletions
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62
python/flatbuffers/reflection/Object.py
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@@ -42,7 +42,7 @@ class Object(object):
x = self._tab.Vector(o)
x += flatbuffers.number_types.UOffsetTFlags.py_type(j) * 4
x = self._tab.Indirect(x)
from reflection.Field import Field
from .reflection.Field import Field
obj = Field()
obj.Init(self._tab.Bytes, x)
return obj
@@ -88,7 +88,7 @@ class Object(object):
x = self._tab.Vector(o)
x += flatbuffers.number_types.UOffsetTFlags.py_type(j) * 4
x = self._tab.Indirect(x)
from reflection.KeyValue import KeyValue
from .reflection.KeyValue import KeyValue
obj = KeyValue()
obj.Init(self._tab.Bytes, x)
return obj
@@ -135,76 +135,76 @@ class Object(object):
return None
def ObjectStart(builder):
return builder.StartObject(8)
builder.StartObject(8)
def Start(builder):
return ObjectStart(builder)
ObjectStart(builder)
def ObjectAddName(builder, name):
return builder.PrependUOffsetTRelativeSlot(0, flatbuffers.number_types.UOffsetTFlags.py_type(name), 0)
builder.PrependUOffsetTRelativeSlot(0, flatbuffers.number_types.UOffsetTFlags.py_type(name), 0)
def AddName(builder, name):
return ObjectAddName(builder, name)
def AddName(builder: flatbuffers.Builder, name: int):
ObjectAddName(builder, name)
def ObjectAddFields(builder, fields):
return builder.PrependUOffsetTRelativeSlot(1, flatbuffers.number_types.UOffsetTFlags.py_type(fields), 0)
builder.PrependUOffsetTRelativeSlot(1, flatbuffers.number_types.UOffsetTFlags.py_type(fields), 0)
def AddFields(builder, fields):
return ObjectAddFields(builder, fields)
def AddFields(builder: flatbuffers.Builder, fields: int):
ObjectAddFields(builder, fields)
def ObjectStartFieldsVector(builder, numElems):
return builder.StartVector(4, numElems, 4)
def StartFieldsVector(builder, numElems):
def StartFieldsVector(builder, numElems: int) -> int:
return ObjectStartFieldsVector(builder, numElems)
def ObjectAddIsStruct(builder, isStruct):
return builder.PrependBoolSlot(2, isStruct, 0)
builder.PrependBoolSlot(2, isStruct, 0)
def AddIsStruct(builder, isStruct):
return ObjectAddIsStruct(builder, isStruct)
def AddIsStruct(builder: flatbuffers.Builder, isStruct: bool):
ObjectAddIsStruct(builder, isStruct)
def ObjectAddMinalign(builder, minalign):
return builder.PrependInt32Slot(3, minalign, 0)
builder.PrependInt32Slot(3, minalign, 0)
def AddMinalign(builder, minalign):
return ObjectAddMinalign(builder, minalign)
def AddMinalign(builder: flatbuffers.Builder, minalign: int):
ObjectAddMinalign(builder, minalign)
def ObjectAddBytesize(builder, bytesize):
return builder.PrependInt32Slot(4, bytesize, 0)
builder.PrependInt32Slot(4, bytesize, 0)
def AddBytesize(builder, bytesize):
return ObjectAddBytesize(builder, bytesize)
def AddBytesize(builder: flatbuffers.Builder, bytesize: int):
ObjectAddBytesize(builder, bytesize)
def ObjectAddAttributes(builder, attributes):
return builder.PrependUOffsetTRelativeSlot(5, flatbuffers.number_types.UOffsetTFlags.py_type(attributes), 0)
builder.PrependUOffsetTRelativeSlot(5, flatbuffers.number_types.UOffsetTFlags.py_type(attributes), 0)
def AddAttributes(builder, attributes):
return ObjectAddAttributes(builder, attributes)
def AddAttributes(builder: flatbuffers.Builder, attributes: int):
ObjectAddAttributes(builder, attributes)
def ObjectStartAttributesVector(builder, numElems):
return builder.StartVector(4, numElems, 4)
def StartAttributesVector(builder, numElems):
def StartAttributesVector(builder, numElems: int) -> int:
return ObjectStartAttributesVector(builder, numElems)
def ObjectAddDocumentation(builder, documentation):
return builder.PrependUOffsetTRelativeSlot(6, flatbuffers.number_types.UOffsetTFlags.py_type(documentation), 0)
builder.PrependUOffsetTRelativeSlot(6, flatbuffers.number_types.UOffsetTFlags.py_type(documentation), 0)
def AddDocumentation(builder, documentation):
return ObjectAddDocumentation(builder, documentation)
def AddDocumentation(builder: flatbuffers.Builder, documentation: int):
ObjectAddDocumentation(builder, documentation)
def ObjectStartDocumentationVector(builder, numElems):
return builder.StartVector(4, numElems, 4)
def StartDocumentationVector(builder, numElems):
def StartDocumentationVector(builder, numElems: int) -> int:
return ObjectStartDocumentationVector(builder, numElems)
def ObjectAddDeclarationFile(builder, declarationFile):
return builder.PrependUOffsetTRelativeSlot(7, flatbuffers.number_types.UOffsetTFlags.py_type(declarationFile), 0)
builder.PrependUOffsetTRelativeSlot(7, flatbuffers.number_types.UOffsetTFlags.py_type(declarationFile), 0)
def AddDeclarationFile(builder, declarationFile):
return ObjectAddDeclarationFile(builder, declarationFile)
def AddDeclarationFile(builder: flatbuffers.Builder, declarationFile: int):
ObjectAddDeclarationFile(builder, declarationFile)
def ObjectEnd(builder):
return builder.EndObject()