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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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42
python/flatbuffers/reflection/EnumVal.py
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@@ -47,7 +47,7 @@ class EnumVal(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
@@ -80,7 +80,7 @@ class EnumVal(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
@@ -99,51 +99,51 @@ class EnumVal(object):
return o == 0
def EnumValStart(builder):
return builder.StartObject(6)
builder.StartObject(6)
def Start(builder):
return EnumValStart(builder)
EnumValStart(builder)
def EnumValAddName(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 EnumValAddName(builder, name)
def AddName(builder: flatbuffers.Builder, name: int):
EnumValAddName(builder, name)
def EnumValAddValue(builder, value):
return builder.PrependInt64Slot(1, value, 0)
builder.PrependInt64Slot(1, value, 0)
def AddValue(builder, value):
return EnumValAddValue(builder, value)
def AddValue(builder: flatbuffers.Builder, value: int):
EnumValAddValue(builder, value)
def EnumValAddUnionType(builder, unionType):
return builder.PrependUOffsetTRelativeSlot(3, flatbuffers.number_types.UOffsetTFlags.py_type(unionType), 0)
builder.PrependUOffsetTRelativeSlot(3, flatbuffers.number_types.UOffsetTFlags.py_type(unionType), 0)
def AddUnionType(builder, unionType):
return EnumValAddUnionType(builder, unionType)
def AddUnionType(builder: flatbuffers.Builder, unionType: int):
EnumValAddUnionType(builder, unionType)
def EnumValAddDocumentation(builder, documentation):
return builder.PrependUOffsetTRelativeSlot(4, flatbuffers.number_types.UOffsetTFlags.py_type(documentation), 0)
builder.PrependUOffsetTRelativeSlot(4, flatbuffers.number_types.UOffsetTFlags.py_type(documentation), 0)
def AddDocumentation(builder, documentation):
return EnumValAddDocumentation(builder, documentation)
def AddDocumentation(builder: flatbuffers.Builder, documentation: int):
EnumValAddDocumentation(builder, documentation)
def EnumValStartDocumentationVector(builder, numElems):
return builder.StartVector(4, numElems, 4)
def StartDocumentationVector(builder, numElems):
def StartDocumentationVector(builder, numElems: int) -> int:
return EnumValStartDocumentationVector(builder, numElems)
def EnumValAddAttributes(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 EnumValAddAttributes(builder, attributes)
def AddAttributes(builder: flatbuffers.Builder, attributes: int):
EnumValAddAttributes(builder, attributes)
def EnumValStartAttributesVector(builder, numElems):
return builder.StartVector(4, numElems, 4)
def StartAttributesVector(builder, numElems):
def StartAttributesVector(builder, numElems: int) -> int:
return EnumValStartAttributesVector(builder, numElems)
def EnumValEnd(builder):