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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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58
python/flatbuffers/reflection/Enum.py
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@@ -42,7 +42,7 @@ class Enum(object):
x = self._tab.Vector(o)
x += flatbuffers.number_types.UOffsetTFlags.py_type(j) * 4
x = self._tab.Indirect(x)
from reflection.EnumVal import EnumVal
from .reflection.EnumVal import EnumVal
obj = EnumVal()
obj.Init(self._tab.Bytes, x)
return obj
@@ -72,7 +72,7 @@ class Enum(object):
o = flatbuffers.number_types.UOffsetTFlags.py_type(self._tab.Offset(10))
if o != 0:
x = self._tab.Indirect(o + self._tab.Pos)
from reflection.Type import Type
from .reflection.Type import Type
obj = Type()
obj.Init(self._tab.Bytes, x)
return obj
@@ -85,7 +85,7 @@ class Enum(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
@@ -132,70 +132,70 @@ class Enum(object):
return None
def EnumStart(builder):
return builder.StartObject(7)
builder.StartObject(7)
def Start(builder):
return EnumStart(builder)
EnumStart(builder)
def EnumAddName(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 EnumAddName(builder, name)
def AddName(builder: flatbuffers.Builder, name: int):
EnumAddName(builder, name)
def EnumAddValues(builder, values):
return builder.PrependUOffsetTRelativeSlot(1, flatbuffers.number_types.UOffsetTFlags.py_type(values), 0)
builder.PrependUOffsetTRelativeSlot(1, flatbuffers.number_types.UOffsetTFlags.py_type(values), 0)
def AddValues(builder, values):
return EnumAddValues(builder, values)
def AddValues(builder: flatbuffers.Builder, values: int):
EnumAddValues(builder, values)
def EnumStartValuesVector(builder, numElems):
return builder.StartVector(4, numElems, 4)
def StartValuesVector(builder, numElems):
def StartValuesVector(builder, numElems: int) -> int:
return EnumStartValuesVector(builder, numElems)
def EnumAddIsUnion(builder, isUnion):
return builder.PrependBoolSlot(2, isUnion, 0)
builder.PrependBoolSlot(2, isUnion, 0)
def AddIsUnion(builder, isUnion):
return EnumAddIsUnion(builder, isUnion)
def AddIsUnion(builder: flatbuffers.Builder, isUnion: bool):
EnumAddIsUnion(builder, isUnion)
def EnumAddUnderlyingType(builder, underlyingType):
return builder.PrependUOffsetTRelativeSlot(3, flatbuffers.number_types.UOffsetTFlags.py_type(underlyingType), 0)
builder.PrependUOffsetTRelativeSlot(3, flatbuffers.number_types.UOffsetTFlags.py_type(underlyingType), 0)
def AddUnderlyingType(builder, underlyingType):
return EnumAddUnderlyingType(builder, underlyingType)
def AddUnderlyingType(builder: flatbuffers.Builder, underlyingType: int):
EnumAddUnderlyingType(builder, underlyingType)
def EnumAddAttributes(builder, attributes):
return builder.PrependUOffsetTRelativeSlot(4, flatbuffers.number_types.UOffsetTFlags.py_type(attributes), 0)
builder.PrependUOffsetTRelativeSlot(4, flatbuffers.number_types.UOffsetTFlags.py_type(attributes), 0)
def AddAttributes(builder, attributes):
return EnumAddAttributes(builder, attributes)
def AddAttributes(builder: flatbuffers.Builder, attributes: int):
EnumAddAttributes(builder, attributes)
def EnumStartAttributesVector(builder, numElems):
return builder.StartVector(4, numElems, 4)
def StartAttributesVector(builder, numElems):
def StartAttributesVector(builder, numElems: int) -> int:
return EnumStartAttributesVector(builder, numElems)
def EnumAddDocumentation(builder, documentation):
return builder.PrependUOffsetTRelativeSlot(5, flatbuffers.number_types.UOffsetTFlags.py_type(documentation), 0)
builder.PrependUOffsetTRelativeSlot(5, flatbuffers.number_types.UOffsetTFlags.py_type(documentation), 0)
def AddDocumentation(builder, documentation):
return EnumAddDocumentation(builder, documentation)
def AddDocumentation(builder: flatbuffers.Builder, documentation: int):
EnumAddDocumentation(builder, documentation)
def EnumStartDocumentationVector(builder, numElems):
return builder.StartVector(4, numElems, 4)
def StartDocumentationVector(builder, numElems):
def StartDocumentationVector(builder, numElems: int) -> int:
return EnumStartDocumentationVector(builder, numElems)
def EnumAddDeclarationFile(builder, declarationFile):
return builder.PrependUOffsetTRelativeSlot(6, flatbuffers.number_types.UOffsetTFlags.py_type(declarationFile), 0)
builder.PrependUOffsetTRelativeSlot(6, flatbuffers.number_types.UOffsetTFlags.py_type(declarationFile), 0)
def AddDeclarationFile(builder, declarationFile):
return EnumAddDeclarationFile(builder, declarationFile)
def AddDeclarationFile(builder: flatbuffers.Builder, declarationFile: int):
EnumAddDeclarationFile(builder, declarationFile)
def EnumEnd(builder):
return builder.EndObject()