replace setup.py with pyproject.toml and use uv in CI

.github/workflows/push.yml

@@ -18,25 +18,20 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v5
-      with:
-        python-version: ${{ matrix.python-version }}
-    # Confirm that the `python` maps to the version we just installed.
-    # PowerShell on Windows does this differently than the Unix shells.
-    - run: which python ; python --version ; which pip ; pip --version
-      if: matrix.os != 'windows-latest'
-    - run: get-command python ; python --version ; get-command pip ; pip --version
-      if: matrix.os == 'windows-latest'
+    - uses: astral-sh/setup-uv@v5
     - run: git --version
-    # Make sure Subversion and Mercurial are installed on Windows and macOS.
-    - run: sudo apt-get update && sudo apt-get install -y subversion mercurial
+    # Make sure Subversion (including `svnadmin`) and Mercurial are installed
+    # on Windows and macOS. I'd prefer `uv tool install mercurial`, but the
+    # `hg` binary that that installs crashes on Windows for some reason. We
+    # don't need Mercurial to use the same Python version that we're using.
+    # Also Choco and WinGet seem to fail to put `hg` in the PATH for some
+    # reason.
+    - run: pip install mercurial
+    - run: sudo apt-get update && sudo apt-get install -y subversion
       if: matrix.os == 'ubuntu-latest'
-    - run: brew install subversion mercurial
+    - run: brew install subversion
       if: matrix.os == 'macOS-latest'
-    - run: choco install -y --no-progress sliksvn && pip install mercurial
+    - run: choco install -y --no-progress sliksvn
       if: matrix.os == 'windows-latest'
-    # Install test dependencies, like flake8.
-    - run: pip install -r ./requirements-dev.txt
     # Run tests.
-    - run: python test.py -v
+    - run: uv run --python ${{ matrix.python-version }} test.py -v

.gitignore

@@ -4,3 +4,4 @@ __pycache__
 peru.egg-info
 build/
 dist/
+uv.lock

peru.py

@@ -3,6 +3,8 @@
 # This script is for running peru directly from the repo, mainly for
 # development. This isn't what gets installed when you install peru. That would
 # be a script generated by setup.py, which calls peru.main.main().
+#
+# Update October 2025: `uv run peru` also works.
 
 import os
 import sys

pyproject.toml

@@ -0,0 +1,40 @@
+[project]
+name = "peru"
+dynamic = ["version"]
+description = "A tool for fetching code"
+readme = "README.md"
+license = "MIT"
+authors = [
+    { name = "Jack O'Connor", email = "oconnor663@gmail.com" },
+    { name = "Sean Olson", email = "olson.sean.k@gmail.com" },
+]
+requires-python = ">=3.8"
+dependencies = [
+    "PyYAML",
+]
+
+[project.urls]
+Repository = "https://github.com/buildinspace/peru"
+
+[project.scripts]
+peru = "peru.main:main"
+
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[tool.hatch.build]
+include = [
+    "peru/**/*.py",
+    "peru/VERSION",
+    "peru/resources/**/*",
+]
+
+[tool.hatch.version]
+path = "peru/VERSION"
+pattern = "(?P<version>.+)"
+
+[dependency-groups]
+dev = [
+    "flake8",
+]