Switch to UV and drop Python 3.8

.github/workflows/build.yml

@@ -11,50 +11,47 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v5
         with:
+          version: "0.5.25"
           python-version: '3.11'
-          cache: 'pip'
-      - run: pip install "pre-commit<4.0.0"
-      - run: pre-commit --version
-      - run: pre-commit install
-      - run: pre-commit run --all-files
+      - run: uvx pre-commit --version
+      - run: uvx pre-commit run --all-files
 
   build:
     needs: [linting]
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
 
     steps:
       - uses: actions/checkout@v4
-      - name: Install poetry
-        run: |
-          python -m pip install --upgrade pip
-          pip install poetry
-      - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v5
         with:
+          version: "0.5.25"
           python-version: ${{ matrix.python-version }}
-          cache: poetry
 
-      - name: Install base dependencies
-        run: poetry install
+
+      - name: Install the project (no extras)
+        run: uv sync
 
       - name: Unit tests with Pytest (no extras)
         timeout-minutes: 3
         run: |
-          poetry run pytest --benchmark-disable --cov=simple_parsing --cov-report=xml --cov-append
-
+          uv run pytest --benchmark-disable --cov=simple_parsing --cov-report=xml --cov-append
 
       - name: Install extra dependencies
-        run: poetry install --all-extras
+        run: uv sync --all-extras
 
       - name: Unit tests with Pytest (with extra dependencies)
         timeout-minutes: 3
         run: |
-          poetry run pytest --benchmark-disable --cov=simple_parsing --cov-report=xml --cov-append
+          uv run pytest --benchmark-disable --cov=simple_parsing --cov-report=xml --cov-append
 
       - name: Upload coverage reports to Codecov
         uses: codecov/codecov-action@v4

.github/workflows/python-publish.yml

@@ -19,19 +19,20 @@ jobs:
       - uses: actions/checkout@v4
       - name: Install poetry
         run: pipx install poetry
-      - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v5
         with:
+          version: "0.5.25"
           python-version: ${{ matrix.python-version }}
-          cache: poetry
 
       - name: Install dependencies
         run: |
-          poetry install
-          poetry self add "poetry-dynamic-versioning[plugin]"
-          poetry dynamic-versioning enable
+          uv sync
 
       - name: Publish package
         env:
-          POETRY_PYPI_TOKEN_PYPI: ${{ secrets.PYPI_TOKEN }}
-        run: poetry publish --build
+          UV_PUBLISH_TOKEN: ${{ secrets.PYPI_TOKEN }}
+        run: |
+          uv build
+          uv publish

.pre-commit-config.yaml

@@ -3,7 +3,7 @@ default_language_version:
 
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.4.0
+    rev: v5.0.0
     hooks:
       # list of supported hooks: https://pre-commit.com/hooks.html
       - id: trailing-whitespace
@@ -32,21 +32,21 @@ repos:
     hooks:
       # Run the linter.
       - id: ruff
-        args: ['--line-length', '99', "--select", "I,UP", '--fix']
         require_serial: true
+        args: ["--fix"]
       # Run the formatter.
       - id: ruff-format
-        args: ['--line-length', '99']
         require_serial: true
 
   # python docstring formatting
   - repo: https://github.com/myint/docformatter
-    rev: v1.5.1
+    rev: eb1df347edd128b30cd3368dddc3aa65edcfac38 # Don't autoupdate until https://github.com/PyCQA/docformatter/issues/293 is fixed
     hooks:
       - id: docformatter
         exclude: ^test/test_docstrings.py
-        args: [--in-place, --wrap-summaries=99, --wrap-descriptions=99]
         require_serial: true
+        additional_dependencies: [tomli]
+
 
   # NOTE: Disabling this, since I'm having the glib-c2.29 weird bug.
   # # yaml formatting
@@ -79,12 +79,6 @@ repos:
           # - mdformat-black
         require_serial: true
 
-  - repo: https://github.com/python-poetry/poetry
-    rev: 1.7.0
-    hooks:
-      - id: poetry-check
-        require_serial: true
-
   # word spelling linter
   - repo: https://github.com/codespell-project/codespell
     rev: v2.2.2

examples/config_files/one_config.py

@@ -1,4 +1,5 @@
 """Example adapted from https://github.com/eladrich/pyrallis#my-first-pyrallis-example-"""
+
 from dataclasses import dataclass
 
 import simple_parsing

examples/container_types/lists_example.py

@@ -1,13 +1,12 @@
 from dataclasses import dataclass, field
-from typing import List
 
 from simple_parsing import ArgumentParser
 from simple_parsing.helpers import list_field
 
 
 @dataclass
 class Example:
-    some_integers: List[int] = field(
+    some_integers: list[int] = field(
         default_factory=list
     )  # This is a list of integers (empty by default)
     """This list is empty, by default.
@@ -19,9 +18,9 @@ class Example:
     # When using a list attribute, the dataclasses module requires us to use `dataclass.field()`,
     # so each instance of this class has a different list, rather than them sharing the same list.
     # To simplify this, you can use `MutableField(value)` which is just a shortcut for `field(default_factory=lambda: value)`.
-    some_floats: List[float] = list_field(3.14, 2.56)
+    some_floats: list[float] = list_field(3.14, 2.56)
 
-    some_list_of_strings: List[str] = list_field("default_1", "default_2")
+    some_list_of_strings: list[str] = list_field("default_1", "default_2")
     """This list has a default value of ["default_1", "default_2"]."""
 
 

examples/custom_args/custom_args_example.py

@@ -1,7 +1,6 @@
 """Example of overwriting auto-generated argparse options with custom ones."""
 
 from dataclasses import dataclass
-from typing import List
 
 from simple_parsing import ArgumentParser, field
 from simple_parsing.helpers import list_field
@@ -21,7 +20,7 @@ def parse(cls, args: str = ""):
 @dataclass
 class Example1:
     # A list of animals to take on a walk. (can only be passed 'cat' or 'dog')
-    pets_to_walk: List[str] = list_field(default=["dog"], choices=["cat", "dog"])
+    pets_to_walk: list[str] = list_field(default=["dog"], choices=["cat", "dog"])
 
 
 # passing no arguments uses the default values:

examples/docstrings/docstrings_example.py

@@ -22,15 +22,15 @@ class DocStringsExample:
 
     # comment above 42
     attribute4: float = 1.0  # inline comment
-    """docstring below (this appears in --help)"""
+    """Docstring below (this appears in --help)"""
 
     # comment above (this appears in --help) 46
     attribute5: float = 1.0  # inline comment
 
     attribute6: float = 1.0  # inline comment (this appears in --help)
 
     attribute7: float = 1.0  # inline comment
-    """docstring below (this appears in --help)"""
+    """Docstring below (this appears in --help)"""
 
 
 parser.add_arguments(DocStringsExample, "example")

examples/inheritance/ml_inheritance_2.py

@@ -1,5 +1,4 @@
 from dataclasses import dataclass, field
-from typing import List
 
 from simple_parsing import ArgumentParser, choice
 from simple_parsing.helpers import Serializable, list_field
@@ -12,7 +11,7 @@ class ConvBlock(Serializable):
     """A Block of Conv Layers."""
 
     n_layers: int = 4  # number of layers
-    n_filters: List[int] = list_field(16, 32, 64, 64)  # filters per layer
+    n_filters: list[int] = list_field(16, 32, 64, 64)  # filters per layer
 
 
 @dataclass

examples/merging/multiple_example.py

@@ -19,7 +19,7 @@ class Config:
     run_name: str = "train"  # Some parameter for the run name.
     some_int: int = 10  # an optional int parameter.
     log_dir: str = "logs"  # an optional string parameter.
-    """the logging directory to use.
+    """The logging directory to use.
 
     (This is an attribute docstring for the log_dir attribute, and shows up when using the "--help"
     argument!)

examples/merging/multiple_lists_example.py

@@ -12,7 +12,6 @@
 """
 
 from dataclasses import dataclass, field
-from typing import List, Tuple
 
 from simple_parsing import ArgumentParser, ConflictResolution
 
@@ -21,8 +20,8 @@
 class CNNStack:
     name: str = "stack"
     num_layers: int = 3
-    kernel_sizes: Tuple[int, int, int] = (7, 5, 5)
-    num_filters: List[int] = field(default_factory=[32, 64, 64].copy)
+    kernel_sizes: tuple[int, int, int] = (7, 5, 5)
+    num_filters: list[int] = field(default_factory=[32, 64, 64].copy)
 
 
 parser = ArgumentParser(conflict_resolution=ConflictResolution.ALWAYS_MERGE)

examples/serialization/custom_types_example.py

@@ -1,7 +1,6 @@
 # Cleaning up
 import os
 from dataclasses import dataclass
-from typing import List
 
 import torch
 from torch import Tensor
@@ -26,7 +25,7 @@ class Student(Person):
 
 
 @encode.register
-def encode_tensor(obj: Tensor) -> List:
+def encode_tensor(obj: Tensor) -> list:
     """We choose to encode a tensor as a list, for instance."""
     return obj.tolist()
 

examples/ugly/ugly_example_after.py

@@ -6,7 +6,7 @@
 # import torch.backends.cudnn as cudnn
 # import torch.utils.data
 from dataclasses import dataclass, field
-from typing import ClassVar, Optional, Tuple
+from typing import ClassVar, Optional
 
 import simple_parsing
 from simple_parsing import choice
@@ -147,22 +147,22 @@ class OtherParams:
 class CameraParams:
     """Camera Parameters."""
 
-    cam_pos: Tuple[float, float, float] = (0.0, 0.0, 0.0)  # Camera position.
+    cam_pos: tuple[float, float, float] = (0.0, 0.0, 0.0)  # Camera position.
     width: int = 128
     height: int = 128
     cam_dist: float = 3.0  # Camera distance from the center of the object
     nv: int = 10  # Number of views to generate
     angle: int = 30  # cam angle
     fovy: float = 30  # Field of view in the vertical direction.
     focal_length: float = 0.1  # focal length
-    theta: Tuple[float, float] = (20, 80)  # Angle in degrees from the z-axis.
-    phi: Tuple[float, float] = (20, 70)  # Angle in degrees from the x-axis.
-    axis: Tuple[float, float, float] = (
+    theta: tuple[float, float] = (20, 80)  # Angle in degrees from the z-axis.
+    phi: tuple[float, float] = (20, 70)  # Angle in degrees from the x-axis.
+    axis: tuple[float, float, float] = (
         0.0,
         1.0,
         0.0,
     )  # Axis for random camera position.
-    at: Tuple[float, float, float] = (0.05, 0.0, 0.0)  # Camera lookat position.
+    at: tuple[float, float, float] = (0.05, 0.0, 0.0)  # Camera lookat position.
     sphere_halfbox: bool = False  # Renders demo sphere-halfbox
     norm_depth_image_only: bool = False  # Render on the normalized depth image.
     mesh: bool = False  # Render as mesh if enabled.
@@ -189,7 +189,7 @@ class RenderingParams:
 
 @dataclass
 class Parameters:
-    """base options."""
+    """Base options."""
 
     # Dataset parameters.
     dataset: DatasetParams = field(default_factory=DatasetParams)

examples/ugly/ugly_example_before.py

@@ -9,7 +9,7 @@
 
 
 class Parameters:
-    """base options."""
+    """Base options."""
 
     def __init__(self):
         """Constructor."""