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[Python] Improve python API (#8781)

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* Fix generate_code script path

* [Python] Make StartVector public

Make StartVector vector public since it is already being used in
generated code

* [Python] Improve vector creation for Python API

Makes Python API for vectors cleaner like Rust and Swift

---------

Co-authored-by: Derek Bailey <derekbailey@google.com>
This commit is contained in:
Jacob Abrams
2026-01-20 17:01:20 -08:00
committed by GitHub
parent 0d67abde45
commit af8997b567
20 changed files with 622 additions and 88 deletions
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23
docs/source/tutorial.md
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@@ -1134,12 +1134,8 @@ The Builder provides multiple ways to create `vectors`.
=== "Python"
```py
# Create a FlatBuffer vector and prepend the weapons.
# Note: Since we prepend the data, prepend them in reverse order.
MyGame.Sample.Monster.StartWeaponsVector(builder, 2)
builder.PrependUOffsetTRelative(axe)
builder.PrependUOffsetTRelative(sword)
weapons = builder.EndVector()
# Use the generated helper to create the weapons vector from offsets.
weapons = MyGame.Sample.Monster.CreateWeaponsVector(builder, [sword, axe])
```
=== "Rust"
@@ -1352,16 +1348,13 @@ bit more directly.
```py
# Create a `vector` representing the inventory of the Orc. Each number
# could correspond to an item that can be claimed after he is slain.
# Note: Since we prepend the bytes, this loop iterates in reverse.
MyGame.Sample.Monster.StartInventoryVector(builder, 10)
for i in reversed(range(0, 10)):
builder.PrependByte(i)
inv = builder.EndVector()
inv = MyGame.Sample.Monster.CreateInventoryVector(builder, range(0, 10))
MyGame.Sample.Monster.StartPathVector(builder, 2)
MyGame.Sample.Vec3.CreateVec3(builder, 1.0, 2.0, 3.0)
MyGame.Sample.Vec3.CreateVec3(builder, 4.0, 5.0, 6.0)
path = builder.EndVector()
path_points = [
MyGame.Sample.Vec3T(x=1.0, y=2.0, z=3.0),
MyGame.Sample.Vec3T(x=4.0, y=5.0, z=6.0),
]
path = MyGame.Sample.Monster.CreatePathVector(builder, path_points)
```
=== "Rust"