feat(python)!: drop python 3.8 support

.github/workflows/check.yml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
         os: [ubuntu-latest]
     runs-on: ${{ matrix.os }}
     steps:
@@ -32,7 +32,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: astral-sh/setup-uv@v5
         with:
-          python-version: "3.8"
+          python-version: "3.9"
           enable-cache: true
           cache-dependency-glob: "uv.lock"
       - run: uv sync --group types

.github/workflows/test.yml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
         os: [ubuntu-latest, windows-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
@@ -38,7 +38,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
         os: [ubuntu-latest, windows-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:

.python-version

@@ -1 +1 @@
-3.8
+3.9

README.md

@@ -5,48 +5,6 @@
 
 Identify unused dependencies and avoid a bloated virtual environment.
 
-## 🌀 Migration guide: creosote 2.x to 3.x
-
-<details>
-<summary>Expand me to read the guide.</summary>
-
-<br>Creosote was updated to 3.0.0 because the way arguments were supplied has
-now changed. This also brings `pyproject.toml` configuration support.
-
-### Argument name change
-
-The argument naming has changed:
-
-| 2.x argument name | 3.x argument name |
-| ----------------- | ----------------- |
-| `--exclude-deps`  | `--exclude-dep`   |
-| `--paths`         | `--path`          |
-| `--sections`      | `--section`       |
-
-### Multiple argument values
-
-With creosote 2.x, you were able to provide multiple values following some
-arguments, example:
-
-```bash
-creosote -p file1.py file2.py
-```
-
-With creosote 3.x, you must now provide multiple arguments as a key/value pair:
-
-```bash
-creosote -p file1.py -p file2.py
-```
-
-This new creosote 3.x behavior applies to the following 3.x CLI arguments:
-
-- `--venv`
-- `--exclude-dep`
-- `-p` or `--path`
-- `-s` or `--section`
-
-</details>
-
 ## ⚡️ Quickstart
 
 Install creosote in separate virtual environment, using e.g.
@@ -274,6 +232,48 @@ Because it makes me happy to see this tool can help others! 🥰
 - [Creosote - Identify unused dependencies and avoid a bloated virtual environment](https://www.reddit.com/r/Python/comments/11n717z/creosote_identify_unused_dependencies_and_avoid_a/)
   — Reddit
 
+## 🌀 Migration guide: creosote 2.x to 3.x
+
+<details>
+<summary>Expand me to read the guide.</summary>
+
+<br>Creosote was updated to 3.0.0 because the way arguments were supplied has
+now changed. This also brings `pyproject.toml` configuration support.
+
+### Argument name change
+
+The argument naming has changed:
+
+| 2.x argument name | 3.x argument name |
+| ----------------- | ----------------- |
+| `--exclude-deps`  | `--exclude-dep`   |
+| `--paths`         | `--path`          |
+| `--sections`      | `--section`       |
+
+### Multiple argument values
+
+With creosote 2.x, you were able to provide multiple values following some
+arguments, example:
+
+```bash
+creosote -p file1.py file2.py
+```
+
+With creosote 3.x, you must now provide multiple arguments as a key/value pair:
+
+```bash
+creosote -p file1.py -p file2.py
+```
+
+This new creosote 3.x behavior applies to the following 3.x CLI arguments:
+
+- `--venv`
+- `--exclude-dep`
+- `-p` or `--path`
+- `-s` or `--section`
+
+</details>
+
 ## 👩‍🔬 Development/debugging info
 
 ### Install in-development builds

pyproject.toml

@@ -3,14 +3,13 @@ name = "creosote"
 description = 'Identify unused dependencies and avoid a bloated virtual environment.'
 version = "3.2.1"
 readme = "README.md"
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 keywords = []
 authors = [{ name = "Fredrik Averpil", email = "[email protected]" }]
 classifiers = [
   # https://pypi.org/classifiers/
   "License :: OSI Approved :: MIT License",
   "Programming Language :: Python",
-  "Programming Language :: Python :: 3.8",
   "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
@@ -94,11 +93,11 @@ ignore = []
 ]
 
 [tool.basedpyright]
-pythonVersion = "3.8"
+pythonVersion = "3.9"
 venvPath = ".venv"
 
 [tool.mypy]
-python_version = "3.8"
+python_version = "3.9"
 strict = true
 
 [[tool.mypy.overrides]]

src/creosote/cli.py

@@ -1,5 +1,6 @@
 import sys
-from typing import Optional, Sequence
+from collections.abc import Sequence
+from typing import Optional
 
 from loguru import logger
 

src/creosote/config.py

@@ -2,10 +2,11 @@
 import os
 import sys
 import typing
+from collections.abc import Sequence
 from dataclasses import dataclass, field
 from enum import Enum
 from pathlib import Path
-from typing import List, Literal, Optional, Sequence, Union
+from typing import Literal, Optional, Union
 
 if sys.version_info >= (3, 11):
     import tomllib  # pyright: ignore[reportUnreachable]
@@ -27,14 +28,14 @@ class Config:
 
     verbose: bool = False
     format: Literal["default", "no-color", "porcelain"] = "default"
-    paths: List[str] = field(default_factory=lambda: ["src"])
-    sections: List[str] = field(default_factory=lambda: ["project.dependencies"])
-    exclude_deps: List[str] = field(default_factory=list)
+    paths: list[str] = field(default_factory=lambda: ["src"])
+    sections: list[str] = field(default_factory=lambda: ["project.dependencies"])
+    exclude_deps: list[str] = field(default_factory=list)
     deps_file: str = "pyproject.toml"
-    venvs: List[str] = field(
+    venvs: list[str] = field(
         default_factory=lambda: [os.environ.get("VIRTUAL_ENV", ".venv")]
     )
-    features: List[str] = field(default_factory=list)
+    features: list[str] = field(default_factory=list)
 
 
 class Features(Enum):
@@ -56,9 +57,9 @@ class CustomAppendAction(argparse.Action):
 
     def __init__(  # type: ignore[no-untyped-def]
         self,
-        option_strings: List[str],
+        option_strings: list[str],
         dest: str,
-        nargs: Optional[List[str]] = None,
+        nargs: Optional[list[str]] = None,
         **kwargs,  # pyright: ignore[reportUnknownParameterType, reportMissingParameterType]
     ):
         """Initialize the action."""

src/creosote/formatters.py

@@ -1,5 +1,4 @@
 import sys
-from typing import List
 
 from loguru import logger
 
@@ -27,7 +26,7 @@ def configure_logger(verbose: bool, format_: str) -> None:
         )
 
 
-def print_results(unused_dependency_names: List[str], format_: str) -> None:
+def print_results(unused_dependency_names: list[str], format_: str) -> None:
     if unused_dependency_names:
         if format_ == "porcelain":
             print("\n".join(unused_dependency_names))

src/creosote/models.py

@@ -1,18 +1,18 @@
 import dataclasses
-from typing import List, Optional
+from typing import Optional
 
 
 @dataclasses.dataclass
 class ImportInfo:
-    module: List[str]
-    name: List[str]
+    module: list[str]
+    name: list[str]
     alias: Optional[str] = None
 
 
 @dataclasses.dataclass
 class DependencyInfo:
     name: str  # as defined in the dependencies specification file
-    top_level_import_names: Optional[List[str]] = None
-    record_import_names: Optional[List[str]] = None
+    top_level_import_names: Optional[list[str]] = None
+    record_import_names: Optional[list[str]] = None
     canonicalized_dep_name: Optional[str] = None
-    associated_imports: List[ImportInfo] = dataclasses.field(default_factory=list)
+    associated_imports: list[ImportInfo] = dataclasses.field(default_factory=list)