[MISC] Switch to uv

.github/renovate.json5

@@ -8,7 +8,7 @@
     // MySQL 8.X does not follow semantic versioning (e.g. 8.0.1 -> 8.0.2 can include a breaking change)
     // Therefore, use a separate Renovate group so that it has a separate PR
     {
-      "matchManagers": ["poetry"],
+      "matchManagers": ["pep621"],
       "matchPackageNames": ["mysql-connector-python"],
       "groupName": "MySQL Connector/Python"
     }

.github/workflows/ci.yaml

@@ -22,9 +22,23 @@ on:
         value: ${{ jobs.build.outputs.artifact-prefix }}
 
 jobs:
+  # TODO install uv in reusable and re-enable
+  # lint:
+  #   name: Lint
+  #   uses: canonical/data-platform-workflows/.github/workflows/[email protected]
   lint:
     name: Lint
-    uses: canonical/data-platform-workflows/.github/workflows/[email protected]
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Install tox & uv
+        run: |
+          pipx install tox
+          pipx install uv
+      - name: Run linters
+        run: tox run -e lint
 
   unit-test:
     name: Unit test charm
@@ -33,10 +47,10 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-      - name: Install tox & poetry
+      - name: Install tox & uv
         run: |
           pipx install tox
-          pipx install poetry
+          pipx install uv
       - name: Run tests
         run: tox run -e unit
       - name: Upload Coverage to Codecov

.github/workflows/integration_test.yaml

@@ -20,7 +20,8 @@ jobs:
       - name: Set up environment
         run: |
           sudo snap install charmcraft --classic
-          pipx install tox poetry
+          pipx install tox
+          pipx install uv
       - name: Collect spread jobs
         id: collect-jobs
         shell: python
@@ -100,7 +101,9 @@ jobs:
         uses: actions/checkout@v4
       - name: Set up environment
         timeout-minutes: 5
-        run: sudo snap install charmcraft --classic
+        run: |
+          sudo snap install charmcraft --classic
+          sudo snap install astral-uv --classic
       # TODO: remove when https://github.com/canonical/charmcraft/issues/2105 and
       # https://github.com/canonical/charmcraft/issues/2130 fixed
       - run: |

.github/workflows/tiobe_scan.yaml

@@ -29,10 +29,10 @@ jobs:
       - name: Add pipx to PATH
         run: echo "${HOME}/.local/bin" >> "${GITHUB_PATH}"
 
-      - name: Install tox and poetry using pipx
+      - name: Install tox and uv
         run: |
           pipx install tox
-          pipx install poetry
+          pipx install uv
 
       - name: Run tox tests to create coverage.xml
         run: tox run -e unit

CONTRIBUTING.md

@@ -20,12 +20,12 @@ this operator.
   the `main` branch. This also avoids merge commits and creates a linear Git commit history.
 
 ## Developing
-Install `tox`, `poetry`, and `charmcraftcache`
+Install `tox`, `uv`, and `charmcraftcache`
 
 Install pipx: https://pipx.pypa.io/stable/installation/
 ```shell
 pipx install tox
-pipx install poetry
+pipx install uv
 pipx install charmcraftcache
 ```
 

charmcraft.yaml

@@ -14,48 +14,20 @@ platforms:
 #   (https://github.com/canonical/charmcraft/blob/9ff19c328e23b50cc06f04e8a5ad4835740badf4/charmcraft/services/package.py#L290-L293
 #   https://github.com/canonical/charmcraft/blob/9ff19c328e23b50cc06f04e8a5ad4835740badf4/charmcraft/services/package.py#L156-L157)
 parts:
-  # "poetry-deps" part name is a magic constant
-  # https://github.com/canonical/craft-parts/pull/901
-  poetry-deps:
-    plugin: nil
-    build-packages:
-      - curl
-    override-build: |
-      # Use environment variable instead of `--break-system-packages` to avoid failing on older
-      # versions of pip that do not recognize `--break-system-packages`
-      # `--user` needed (in addition to `--break-system-packages`) for Ubuntu >=24.04
-      PIP_BREAK_SYSTEM_PACKAGES=true python3 -m pip install --user --upgrade pip==24.3.1  # renovate: charmcraft-pip-latest
-
-      # Use uv to install poetry so that a newer version of Python can be installed if needed by poetry
-      curl --proto '=https' --tlsv1.2 -LsSf https://github.com/astral-sh/uv/releases/download/0.5.15/uv-installer.sh | sh  # renovate: charmcraft-uv-latest
-      # poetry 2.0.0 requires Python >=3.9
-      if ! "$HOME/.local/bin/uv" python find '>=3.9'
-      then
-        # Use first Python version that is >=3.9 and available in an Ubuntu LTS
-        # (to reduce the number of Python versions we use)
-        "$HOME/.local/bin/uv" python install 3.10.12  # renovate: charmcraft-python-ubuntu-22.04
-      fi
-      "$HOME/.local/bin/uv" tool install --no-python-downloads --python '>=3.9' poetry==2.0.0 --with poetry-plugin-export==1.8.0  # renovate: charmcraft-poetry-latest
-
-      ln -sf "$HOME/.local/bin/poetry" /usr/local/bin/poetry
-  # "charm-poetry" part name is arbitrary; use for consistency
-  # Avoid using "charm" part name since that has special meaning to charmcraft
-  charm-poetry:
-    # By default, the `poetry` plugin creates/stages these directories:
-    # - lib, src
-    #   (https://github.com/canonical/charmcraft/blob/9ff19c328e23b50cc06f04e8a5ad4835740badf4/charmcraft/parts/plugins/_poetry.py#L76-L78)
-    # - venv
-    #   (https://github.com/canonical/charmcraft/blob/9ff19c328e23b50cc06f04e8a5ad4835740badf4/charmcraft/parts/plugins/_poetry.py#L95
-    #   https://github.com/canonical/craft-parts/blob/afb0d652eb330b6aaad4f40fbd6e5357d358de47/craft_parts/plugins/base.py#L270)
-    plugin: poetry
+  charm-uv:
+    plugin: uv
     source: .
-    after:
-      - poetry-deps
-    poetry-export-extra-args: ['--only', 'main,charm-libs']
+    build-snaps:
+      - astral-uv
+    build-environment:
+      - UV_NO_BINARY: "true"
     build-packages:
       - libffi-dev  # Needed to build Python dependencies with Rust from source
       - libssl-dev  # Needed to build Python dependencies with Rust from source
       - pkg-config  # Needed to build Python dependencies with Rust from source
+    uv-groups:
+      - charm
+      - libs
     override-build: |
       # Workaround for https://github.com/canonical/charmcraft/issues/2068
       # rustup used to install rustc and cargo, which are needed to build Python dependencies with Rust from source
@@ -77,8 +49,6 @@ parts:
       rustup default 1.83.0  # renovate: charmcraft-rust-latest
 
       craftctl default
-      # Include requirements.txt in *.charm artifact for easier debugging
-      cp requirements.txt "$CRAFT_PART_INSTALL/requirements.txt"
   # "files" part name is arbitrary; use for consistency
   files:
     plugin: dump