build: migrate from Poetry to uv

.envrc

@@ -1,17 +1 @@
-# SEE https://github.com/direnv/direnv/wiki/Python#poetry
-layout_poetry() {
-    VIRTUAL_ENV=$(poetry env info --path 2>/dev/null ; true)
-
-    if [[ -z $VIRTUAL_ENV || ! -d $VIRTUAL_ENV ]]; then
-        log_status "No virtual environment exists. Executing \`poetry install\` to create one."
-        poetry install --with dev,docs
-        VIRTUAL_ENV=$(poetry env info --path)
-    fi
-
-    PATH_add "$VIRTUAL_ENV/bin"
-    export POETRY_ACTIVE=1
-    export VIRTUAL_ENV
-}
-
 use flake . --impure --accept-flake-config --extra-experimental-features 'nix-command flakes'
-layout_poetry

.github/workflows/ci.yml

@@ -16,12 +16,11 @@ on:
 env:
   LANG: "en_US.utf-8"
   LC_ALL: "en_US.utf-8"
-  PIP_CACHE_DIR: ${{ github.workspace }}/.cache/pip
-  POETRY_CACHE_DIR: ${{ github.workspace }}/.cache/pypoetry
-  POETRY_VIRTUALENVS_IN_PROJECT: "true"
   PRE_COMMIT_HOME: ${{ github.workspace }}/.cache/pre-commit
   PYTEST_ADDOPTS: ${{ github.event.inputs.pytest_addopts }}
   PYTHONIOENCODING: "UTF-8"
+  # renovate: datasource=pypi depName=uv
+  UV_VERSION: "0.6.13"
 
 jobs:
   build:
@@ -35,46 +34,23 @@ jobs:
         python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
     runs-on: ${{ matrix.os }}
     steps:
-      # HACK https://github.com/actions/cache/issues/315
-      - name: Enable msys binaries
-        if: ${{ runner.os == 'Windows' }}
-        run: |
-          echo "C:\msys64\usr\bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
-          rm C:\msys64\usr\bin\bash.exe
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0 # Needs all tags to compute dynamic version
+      - name: Install uv
+        uses: astral-sh/setup-uv@v5
+        with:
+          version: ${{ env.UV_VERSION }}
+          enable-cache: "true"
+          cache-suffix: ${{ matrix.python-version }}
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
-          allow-prereleases: true
-      - name: Get full Python version
-        id: full-python-version
-        shell: bash # Required for use of $GITHUB_OUTPUT in windows
-        run:
-          echo version=$(python -c "import sys; print('-'.join(str(v) for v in
-          sys.version_info))") >> $GITHUB_OUTPUT
-      - uses: actions/cache@v4
-        with:
-          path: |
-            .cache
-            .venv
-          # prettier-ignore
-          key:
-            cache-
-            ${{ runner.os }}-
-            ${{ runner.arch }}-
-            ${{ steps.full-python-version.outputs.version }}-
-            ${{ hashFiles('pyproject.toml') }}-
-            ${{ hashFiles('poetry.lock') }}-
-            ${{ hashFiles('.pre-commit-config.yaml') }}
       - name: Install dependencies
-        run: |
+        run: uv sync --frozen
-          python -m pip install poetry poetry-dynamic-versioning
-          poetry install --with dev,docs -v
       - name: Run pytest
-        run: poetry run poe test --cov=./ --cov-report=xml -ra .
+        run: uv run poe test --cov=./ --cov-report=xml -ra .
       - name: Upload coverage to Codecov
         continue-on-error: true
         uses: codecov/codecov-action@v5
@@ -102,25 +78,27 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      # Install Nix and set up Cachix
+      # Install Nix
       - uses: cachix/install-nix-action@v31
         with:
           nix_path: nixpkgs=channel:nixos-unstable
+      # Set up Cachix
       - uses: cachix/cachix-action@v16
         with:
           authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}
           extraPullNames: devenv
           name: copier
           pushFilter: (-source$|nixpkgs\.tar\.gz$)
+      # Install devenv
+      - run: nix-env -iA devenv -f '<nixpkgs>'
 
-      # Cache for poetry venv when using direnv
+      # Cache for uv venv when using direnv
       - uses: actions/cache@v4
         with:
           path: |
             .cache
             .devenv
             .direnv
-            .venv
           # prettier-ignore
           key:
             direnv-
@@ -133,10 +111,10 @@ jobs:
         with:
           install-nix: "false"
           cache-store: "false"
-      - run: copier --version
+      - run: uv run copier --version
 
-      # Run nix checks
+      # Run tests
-      - run: nix flake check -L --accept-flake-config --impure
+      - run: devenv test
 
   publish:
     if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/')
@@ -148,36 +126,18 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0 # Needs all tags to compute dynamic version
+      - name: Install uv
+        uses: astral-sh/setup-uv@v5
+        with:
+          version: ${{ env.UV_VERSION }}
+          enable-cache: "true"
+          cache-suffix: "3.13"
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
           python-version: "3.13"
-      - name: Get full Python version
-        id: full-python-version
-        run:
-          echo version=$(python -c "import sys; print('-'.join(str(v) for v in
-          sys.version_info))") >> $GITHUB_OUTPUT
-      - uses: actions/cache@v4
-        with:
-          path: |
-            .cache
-            .venv
-          # prettier-ignore
-          key:
-            cache-
-            ${{ runner.os }}-
-            ${{ runner.arch }}-
-            ${{ steps.full-python-version.outputs.version }}-
-            ${{ hashFiles('pyproject.toml') }}-
-            ${{ hashFiles('poetry.lock') }}-
-            ${{ hashFiles('.pre-commit-config.yaml') }}
-      - name: Install dependencies
-        shell: bash
-        run: |
-          python -m pip install poetry poetry-dynamic-versioning
       - name: Build dist
-        run: |
+        run: uv build
-          poetry build
       - name: Publish distribution 📦 to Test PyPI
         uses: pypa/gh-action-pypi-publish@master
         with:

.github/workflows/flakehub-publish-tagged.yml

@@ -1,28 +0,0 @@
-name: "Publish tags to FlakeHub"
-on:
-  push:
-    tags:
-      - "v?[0-9]+.[0-9]+.[0-9]+*"
-  workflow_dispatch:
-    inputs:
-      tag:
-        description: "The existing tag to publish to FlakeHub"
-        type: "string"
-        required: true
-jobs:
-  flakehub-publish:
-    runs-on: "ubuntu-latest"
-    permissions:
-      id-token: "write"
-      contents: "read"
-    steps:
-      - uses: "actions/checkout@v4"
-        with:
-          ref:
-            "${{ (inputs.tag != null) && format('refs/tags/{0}', inputs.tag) || '' }}"
-      - uses: "DeterminateSystems/nix-installer-action@main"
-      - uses: "DeterminateSystems/flakehub-push@main"
-        with:
-          visibility: "public"
-          name: "copier-org/copier"
-          tag: "${{ inputs.tag }}"

.readthedocs.yml

@@ -9,5 +9,7 @@ build:
     python: "3.12"
   jobs:
     post_install:
-      - pip install poetry
+      - pip install uv
-      - VIRTUAL_ENV=$READTHEDOCS_VIRTUALENV_PATH poetry install --with docs
+      - |
+        VIRTUAL_ENV=$READTHEDOCS_VIRTUALENV_PATH \
+        uv sync --active --frozen --only-group docs

.vscode/tasks.json

@@ -6,7 +6,7 @@
     {
       "label": "local docs server",
       "type": "process",
-      "command": "poetry",
+      "command": "uv",
       "args": ["run", "poe", "docs"],
       "problemMatcher": []
     }

CONTRIBUTING.md

@@ -70,8 +70,8 @@ have enough permissions, you work on Windows, or you just don't want to add yet
 package manager to your system. We believe Nix is awesome enough so as to be the default
 tool for almost any developer, but we respect your choice.
 
-You can use standard Python tooling such as [Poetry][] and a valid Python installation
+You can use standard Python tooling such as [uv][] and a valid Python installation
-installed in an imperative manner of your choice.
+installed in an imperative manner of your choice, e.g. using uv as well.
 
 However, you won't be able to auto-lint or auto-format code without Nix. If you don't
 have Nix installed but you have Docker or Podman, you can run `poe lint` and get similar
@@ -81,7 +81,7 @@ If you still don't have Docker or Podman, don't worry. You can push your changes
 formatting. As long as you give Copier maintainers permissions to change your PR, a bot
 will kindly auto-format code for you and push it back to your branch.
 
-[Poetry]: https://python-poetry.org/
+[uv]: https://docs.astral.sh/uv/
 
 ## Get Started!
 
@@ -103,7 +103,7 @@ Ready to contribute? Here's how to set up the project for local development.
     ```
 
     Direnv will take some time to load for the 1st time. It will download all
-    development dependencies, including [Poetry][], and it will use it to create a
+    development dependencies, including [uv][], and it will use it to create a
     virtualenv and install Copier with all its development dependencies too.
 
 1.  Create a branch for local development:
@@ -117,20 +117,20 @@ Ready to contribute? Here's how to set up the project for local development.
 1.  When you're done making changes, check that your changes pass all tests:
 
     ```shell
-    poe test
+    uv run poe test
-    poe lint
+    uv run poe lint
     ```
 
 1.  Optionally, use pyclean to remove Python bytecode and build artifacts, e.g.
 
     ```shell
-    pipx run pyclean . --debris --verbose
+    uvx pyclean . --debris --verbose
     ```
 
     or
 
     ```shell
-    uvx pyclean . --debris --verbose
+    pipx run pyclean . --debris --verbose
     ```
 
 1.  Commit your changes and push your branch to GitHub:
@@ -181,7 +181,7 @@ possible and practical.
 To run a subset of tests:
 
 ```shell
-poe test tests/the-tests-file.py
+uv run poe test tests/the-tests-file.py
 ```
 
 ## Nix binary cache

copier/__init__.py

@@ -3,7 +3,11 @@
 Docs: https://copier.readthedocs.io/
 """
 
+import importlib.metadata
+
 from .main import *  # noqa: F401,F403
 
-# This version is a placeholder autoupdated by poetry-dynamic-versioning
+try:
-__version__ = "0.0.0"
+    __version__ = importlib.metadata.version(__name__)
+except importlib.metadata.PackageNotFoundError:
+    __version__ = "0.0.0"

copier/__main__.py

@@ -2,7 +2,5 @@
 
 from .cli import CopierApp
 
-# HACK https://github.com/nix-community/poetry2nix/issues/504
-copier_app_run = CopierApp.run
 if __name__ == "__main__":
-    copier_app_run()
+    CopierApp.run()

default.nix

@@ -1,14 +0,0 @@
-(
-  import
-  (
-    let
-      lock = builtins.fromJSON (builtins.readFile ./flake.lock);
-    in
-      fetchTarball {
-        url = "https://github.com/edolstra/flake-compat/archive/${lock.nodes.flake-compat.locked.rev}.tar.gz";
-        sha256 = lock.nodes.flake-compat.locked.narHash;
-      }
-  )
-  {src = ./.;}
-)
-.defaultNix

devtasks.py

@@ -13,7 +13,7 @@ def dev_setup() -> None:
     """Set up a development environment."""
     with local.cwd(HERE):
         local["direnv"]("allow")
-        local["poetry"]("install")
+        local["uv"]("sync", "--frozen")
 
 
 def lint() -> None:

flake.lock

@@ -40,7 +40,6 @@
       },
       "original": {
         "owner": "cachix",
-        "ref": "latest",
         "repo": "devenv",
         "type": "github"
       }
@@ -93,38 +92,21 @@
         "type": "github"
       }
     },
-    "flake-utils": {
+    "flake-parts_2": {
       "inputs": {
-        "systems": "systems"
+        "nixpkgs-lib": "nixpkgs-lib"
       },
       "locked": {
-        "lastModified": 1731533236,
+        "lastModified": 1743550720,
-        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "narHash": "sha256-hIshGgKZCgWh6AYJpJmRgFdR3WUbkY04o82X05xqQiY=",
-        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "owner": "hercules-ci",
-        "revCount": 102,
+        "repo": "flake-parts",
-        "type": "tarball",
+        "rev": "c621e8422220273271f52058f618c94e405bb0f5",
-        "url": "https://api.flakehub.com/f/pinned/numtide/flake-utils/0.1.102%2Brev-11707dc2f618dd54ca8739b309ec4fc024de578b/0193276d-5b8f-7dbc-acf1-41cb7b54ad2e/source.tar.gz"
-      },
-      "original": {
-        "type": "tarball",
-        "url": "https://flakehub.com/f/numtide/flake-utils/0.1.%2A.tar.gz"
-      }
-    },
-    "flake-utils_2": {
-      "inputs": {
-        "systems": "systems_2"
-      },
-      "locked": {
-        "lastModified": 1726560853,
-        "narHash": "sha256-X6rJYSESBVr3hBoH0WbKE5KvhPU5bloyZ2L4K60/fPQ=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "c1dfcf08411b08f6b8615f7d8971a2bfa81d5e8a",
         "type": "github"
       },
       "original": {
-        "owner": "numtide",
+        "owner": "hercules-ci",
-        "repo": "flake-utils",
+        "repo": "flake-parts",
         "type": "github"
       }
     },
@@ -207,24 +189,6 @@
         "type": "github"
       }
     },
-    "nix-github-actions": {
-      "inputs": {
-        "nixpkgs": ["poetry2nix", "nixpkgs"]
-      },
-      "locked": {
-        "lastModified": 1729742964,
-        "narHash": "sha256-B4mzTcQ0FZHdpeWcpDYPERtyjJd/NIuaQ9+BV1h+MpA=",
-        "owner": "nix-community",
-        "repo": "nix-github-actions",
-        "rev": "e04df33f62cdcf93d73e9a04142464753a16db67",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "nix-github-actions",
-        "type": "github"
-      }
-    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1733212471,
@@ -241,6 +205,37 @@
         "type": "github"
       }
     },
+    "nixpkgs-lib": {
+      "locked": {
+        "lastModified": 1743296961,
+        "narHash": "sha256-b1EdN3cULCqtorQ4QeWgLMrd5ZGOjLSLemfa00heasc=",
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "rev": "e4822aea2a6d1cdd36653c134cacfd64c97ff4fa",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "type": "github"
+      }
+    },
+    "nixpkgs-unstable": {
+      "locked": {
+        "lastModified": 1744463964,
+        "narHash": "sha256-LWqduOgLHCFxiTNYi3Uj5Lgz0SR+Xhw3kr/3Xd0GPTM=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "2631b0b7abcea6e640ce31cd78ea58910d31e650",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nixpkgs_2": {
       "locked": {
         "lastModified": 1717432640,
@@ -287,98 +282,13 @@
         "url": "https://flakehub.com/f/NixOS/nixpkgs/%2A.tar.gz"
       }
     },
-    "poetry2nix": {
-      "inputs": {
-        "flake-utils": "flake-utils_2",
-        "nix-github-actions": "nix-github-actions",
-        "nixpkgs": ["nixpkgs"],
-        "systems": "systems_3",
-        "treefmt-nix": "treefmt-nix"
-      },
-      "locked": {
-        "lastModified": 1743690424,
-        "narHash": "sha256-cX98bUuKuihOaRp8dNV1Mq7u6/CQZWTPth2IJPATBXc=",
-        "owner": "nix-community",
-        "repo": "poetry2nix",
-        "rev": "ce2369db77f45688172384bbeb962bc6c2ea6f94",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "poetry2nix",
-        "type": "github"
-      }
-    },
     "root": {
       "inputs": {
         "devenv": "devenv",
         "flake-compat": "flake-compat_2",
-        "flake-utils": "flake-utils",
+        "flake-parts": "flake-parts_2",
         "nixpkgs": "nixpkgs_4",
-        "poetry2nix": "poetry2nix"
+        "nixpkgs-unstable": "nixpkgs-unstable"
-      }
-    },
-    "systems": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    },
-    "systems_2": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    },
-    "systems_3": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    },
-    "treefmt-nix": {
-      "inputs": {
-        "nixpkgs": ["poetry2nix", "nixpkgs"]
-      },
-      "locked": {
-        "lastModified": 1730120726,
-        "narHash": "sha256-LqHYIxMrl/1p3/kvm2ir925tZ8DkI0KA10djk8wecSk=",
-        "owner": "numtide",
-        "repo": "treefmt-nix",
-        "rev": "9ef337e492a5555d8e17a51c911ff1f02635be15",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "treefmt-nix",
-        "type": "github"
       }
     }
   },

flake.nix

@@ -17,121 +17,86 @@
     # TODO Remove these comments when fixed
     # github:NixOS/nixpkgs/nixpkgs-24.05
   };
+
   inputs = {
-    devenv.url = "github:cachix/devenv/latest";
+    devenv.url = "github:cachix/devenv";
     flake-compat.url = "https://flakehub.com/f/edolstra/flake-compat/1.*.tar.gz";
-    flake-utils.url = "https://flakehub.com/f/numtide/flake-utils/0.1.*.tar.gz";
+    flake-parts.url = "github:hercules-ci/flake-parts";
     nixpkgs.url = "https://flakehub.com/f/NixOS/nixpkgs/*.tar.gz";
-    poetry2nix.url = "github:nix-community/poetry2nix";
+    nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixos-unstable";
-    poetry2nix.inputs.nixpkgs.follows = "nixpkgs";
   };
 
-  outputs = inputs:
+  outputs = inputs @ {
-    with inputs;
+    flake-parts,
-      {
+    devenv,
-        overlays.default = final: prev: {
+    nixpkgs,
-          copier = self.packages.${prev.system}.default;
+    nixpkgs-unstable,
-        };
+    ...
-      }
+  }:
-      // flake-utils.lib.eachDefaultSystem (system: let
+    flake-parts.lib.mkFlake {inherit inputs;} {
-        pkgs = import nixpkgs {
+      imports = [
-          inherit system;
+        inputs.devenv.flakeModule
-          overlays = [poetry2nix.overlays.default];
+      ];
-        };
+      systems = nixpkgs.lib.systems.flakeExposed;
-        lastRelease = (pkgs.lib.importTOML ./pyproject.toml).tool.commitizen.version;
-        version = "${lastRelease}.dev${self.sourceInfo.lastModifiedDate}+nix-git-${self.sourceInfo.shortRev or "dirty"}";
-        python = pkgs.python311;
 
-        # Builders
+      perSystem = {
-        copierApp = let
+        config,
-          baseApp = pkgs.poetry2nix.mkPoetryApplication {
+        self',
-            inherit python version;
+        inputs',
-            name = "copier-${version}";
+        pkgs,
-            projectDir = ./.;
+        system,
+        ...
+      }: {
+        devenv.shells.default = {
+          languages.python.enable = true;
+          languages.python.package = pkgs.python311;
+          languages.python.uv.enable = true;
+          languages.python.uv.package = inputs'.nixpkgs-unstable.legacyPackages.uv;
+          languages.python.uv.sync.enable = true;
 
-            # Trick poetry-dynamic-versioning into using our version
+          packages = [
-            POETRY_DYNAMIC_VERSIONING_BYPASS = version;
+            pkgs.alejandra
-
+            pkgs.commitizen
-            # Test configuration
+            pkgs.mypy
-            propagatedNativeBuildInputs = [pkgs.git];
+            pkgs.nodePackages.prettier
-            pythonImportsCheck = ["copier"];
+            pkgs.ruff
-            doCheck = true;
+            pkgs.taplo
-            installCheckPhase = ''
-              patchShebangs tests
-              env \
-                GIT_AUTHOR_EMAIL=copier@example.com \
-                GIT_AUTHOR_NAME=copier \
-                GIT_COMMITTER_EMAIL=copier@example.com \
-                GIT_COMMITTER_NAME=copier \
-                PATH=$out/bin:$PATH \
-                POETRY_VIRTUALENVS_PATH=$NIX_BUILD_TOP/virtualenvs \
-                PYTHONOPTIMIZE= \
-                pytest --color=yes -m 'not impure'
-            '';
-          };
-        in
-          baseApp.overridePythonAttrs (old: {
-            inherit version;
-            installCheckPhase = ''
-              ${old.installCheckPhase}
-
-              # Make sure version is properly patched in Nix build
-              test "$(copier --version)" != "copier 0.0.0"
-            '';
-          });
-        copierModule = python.pkgs.toPythonModule copierApp;
-      in rec {
-        devShells.default = devenv.lib.mkShell {
-          inherit inputs pkgs;
-          modules = [
-            {
-              packages = with pkgs; [
-                # Essential dev tools
-                poetry
-                python
-
-                # IDE integration tools
-                alejandra
-                commitizen
-                mypy
-                nodePackages.prettier
-                ruff
-                taplo
-              ];
-              difftastic.enable = true;
-              pre-commit.hooks = {
-                alejandra.enable = true;
-                commitizen.enable = true;
-                editorconfig-checker.enable = true;
-                editorconfig-checker.excludes = [
-                  "\.md$"
-                  "\.noeof\."
-                  "\.bundle$"
-                ];
-                prettier.enable = true;
-                prettier.excludes = [
-                  # Those files have wrong syntax and would fail
-                  "^tests/demo_invalid/copier.yml$"
-                  "^tests/demo_transclude_invalid(_multi)?/demo/copier.yml$"
-                  # HACK https://github.com/prettier/prettier/issues/9430
-                  "^tests/demo"
-                ];
-                ruff.enable = true;
-                ruff-format.enable = true;
-                taplo.enable = true;
-              };
-            }
           ];
-        };
+
-        packages.default = copierModule;
+          difftastic.enable = true;
-        apps =
+
-          builtins.mapAttrs
+          pre-commit.hooks = {
-          (name: value: flake-utils.lib.mkApp {drv = value;})
+            alejandra.enable = true;
-          packages;
+            commitizen.enable = true;
-        checks =
+            editorconfig-checker.enable = true;
-          packages
+            editorconfig-checker.excludes = [
-          // {
+              "\.md$"
-            devenv-ci = devShells.default.ci;
+              "\.noeof\."
+              "\.bundle$"
+            ];
+            prettier.enable = true;
+            prettier.excludes = [
+              # Those files have wrong syntax and would fail
+              "^tests/demo_invalid/copier.yml$"
+              "^tests/demo_transclude_invalid(_multi)?/demo/copier.yml$"
+              # HACK https://github.com/prettier/prettier/issues/9430
+              "^tests/demo"
+            ];
+            ruff.enable = true;
+            ruff-format.enable = true;
+            taplo.enable = true;
           };
-      });
+
+          enterTest = ''
+            env \
+              GIT_AUTHOR_EMAIL=copier@example.com \
+              GIT_AUTHOR_NAME=copier \
+              GIT_COMMITTER_EMAIL=copier@example.com \
+              GIT_COMMITTER_NAME=copier \
+              PYTHONOPTIMIZE= \
+              uv run poe test
+          '';
+        };
+      };
+    };
 }

pyproject.toml

@@ -1,9 +1,9 @@
-[tool.poetry]
+[project]
 name = "copier"
-# This version is a placeholder autoupdated by poetry-dynamic-versioning
+dynamic = ["version"]
-version = "0.0.0"
 description = "A library for rendering project templates."
-license = "MIT"
+license = { text = "MIT" }
+requires-python = ">=3.9"
 classifiers = [
   "Development Status :: 5 - Production/Stable",
   "Intended Audience :: Developers",
@@ -15,66 +15,55 @@ classifiers = [
   "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: 3.13",
 ]
-authors = ["Ben Felder <ben@felder.io>"]
+authors = [{ name = "Ben Felder", email = "ben@felder.io" }]
+readme = "README.md"
+dependencies = [
+  "colorama>=0.4.6",
+  "dunamai>=1.7.0",
+  "funcy>=1.17",
+  "jinja2>=3.1.5",
+  "jinja2-ansible-filters>=1.3.1",
+  "packaging>=23.0",
+  "pathspec>=0.9.0",
+  "plumbum>=1.6.9",
+  "pydantic>=2.4.2",
+  "pygments>=2.7.1",
+  "pyyaml>=5.3.1",
+  "questionary>=1.8.1",
+  "eval-type-backport>=0.1.3,<0.3.0; python_version < '3.10'",
+  "platformdirs>=4.3.6",
+  "typing-extensions>=4.0.0,<5.0.0; python_version < '3.11'",
+]
+
+[project.urls]
 homepage = "https://github.com/copier-org/copier"
 repository = "https://github.com/copier-org/copier"
-readme = "README.md"
-
-[tool.poetry.scripts]
-copier = "copier.__main__:copier_app_run"
-
-[tool.poetry.urls]
 "Bug Tracker" = "https://github.com/copier-org/copier/issues"
 
-[tool.poetry.dependencies]
+[project.scripts]
-python = ">=3.9"
+copier = "copier.__main__:CopierApp.run"
-colorama = ">=0.4.6"
-dunamai = ">=1.7.0"
-funcy = ">=1.17"
-jinja2 = ">=3.1.5"
-jinja2-ansible-filters = ">=1.3.1"
-packaging = ">=23.0"
-pathspec = ">=0.9.0"
-plumbum = ">=1.6.9"
-pydantic = ">=2.4.2"
-pygments = ">=2.7.1"
-pyyaml = ">=5.3.1"
-questionary = ">=1.8.1"
-eval-type-backport = { version = ">=0.1.3,<0.3.0", python = "<3.10" }
-platformdirs = ">=4.3.6"
-typing-extensions = { version = ">=4.0.0,<5.0.0", python = "<3.11" }
 
-[tool.poetry.group.dev]
+[dependency-groups]
-optional = true
+dev = [
-
+  "mypy>=0.931",
-[tool.poetry.group.dev.dependencies]
+  "pexpect>=4.8.0",
-mypy = ">=0.931"
+  "poethepoet>=0.12.3",
-pexpect = ">=4.8.0"
+  "pre-commit>=2.17.0",
-poethepoet = ">=0.12.3"
+  "pytest>=7.2.0",
-pre-commit = ">=2.17.0"
+  "pytest-cov>=3.0.0",
-pytest = ">=7.2.0"
+  "pytest-gitconfig>=0.6.0",
-pytest-cov = ">=3.0.0"
+  "pytest-xdist>=2.5.0",
-pytest-gitconfig = ">=0.6.0"
+  "types-backports>=0.1.3",
-pytest-xdist = ">=2.5.0"
+  "types-colorama>=0.4",
-types-backports = ">=0.1.3"
+  "types-pygments>=2.17",
-types-colorama = ">=0.4"
+  "types-pyyaml>=6.0.4",
-types-pygments = ">=2.17"
+  "typing-extensions>=3.10.0.0,<5.0.0; python_version < '<3.10'",
-types-pyyaml = ">=6.0.4"
+]
-
+docs = [
-[tool.poetry.group.docs]
+  "markdown-exec>=1.3.0",
-optional = true
+  "mkdocs-material>=8.2,<10.0.0",
-
+  "mkdocstrings[python]>=0.19.0",
-[tool.poetry.group.docs.dependencies]
+]
-markdown-exec = ">=1.3.0"
-mkdocs-material = ">=8.2,<10.0.0"
-mkdocstrings = { version = ">=0.19.0", extras = ["python"] }
-
-[tool.poetry.group.build]
-# Helper group just for helping nix to build properly
-optional = true
-
-[tool.poetry.group.build.dependencies]
-poetry-dynamic-versioning = { version = ">=1.1.0", markers = "python_version < '4'" }
 
 [tool.poe.tasks.coverage]
 cmd = "pytest --cov-report html --cov copier copier tests"
@@ -100,11 +89,6 @@ help = "run tests"
 cmd = "mypy ."
 help = "run the type (mypy) checker on the codebase"
 
-[tool.poetry-dynamic-versioning]
-enable = true
-style = "pep440"
-vcs = "git"
-
 [tool.ruff.lint]
 extend-select = [
   "ARG",
@@ -174,6 +158,9 @@ tag_format = "v$version"
 update_changelog_on_bump = true
 version = "9.6.0"
 
+[tool.hatch.version]
+source = "vcs"
+
 [build-system]
-requires = ["poetry-core>=1.7.0", "poetry-dynamic-versioning>=1.1.0"]
+requires = ["hatchling", "hatch-vcs"]
-build-backend = "poetry_dynamic_versioning.backend"
+build-backend = "hatchling.build"

tests/helpers.py

@@ -38,7 +38,7 @@ COPIER_CMD = local.get(
     # HACK https://github.com/microsoft/vscode-python/issues/14222
     str(Path(sys.executable).parent / "copier.cmd"),
     str(Path(sys.executable).parent / "copier"),
-    # Poetry installs the executable as copier.cmd in Windows
+    # uv installs the executable as copier.cmd in Windows
     "copier.cmd",
     "copier",
 )