chore: migrate CI from Hatch to uv native (uv sync / uv run)

.github/dependabot.yml

@@ -4,3 +4,12 @@ updates:
     directory: '/'
     schedule:
       interval: 'daily'
+    cooldown:
+      default-days: 1
+
+  - package-ecosystem: 'pip'
+    directory: '/'
+    schedule:
+      interval: 'daily'
+    cooldown:
+      default-days: 1

.github/workflows/check_api_ref.yml

@@ -63,13 +63,18 @@ jobs:
           with open(os.environ["GITHUB_OUTPUT"], "a") as f:
               f.write(f"needs_check={str(needs_check).lower()}\n")
 
-      - name: Install Hatch
+      - uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
         if: steps.changed.outputs.needs_check == 'true'
-        run: pip install hatch
+        with:
+          python-version: "3.13"
+
+      - name: Sync dev dependencies
+        if: steps.changed.outputs.needs_check == 'true'
+        run: uv sync --group dev
 
       - name: Generate API references
         if: steps.changed.outputs.needs_check == 'true'
-        run: hatch run docs
+        run: uv run haystack-pydoc pydoc tmp_api_reference
 
       - name: Set up Node.js
         if: steps.changed.outputs.needs_check == 'true'

.github/workflows/docs-website-test-docs-snippets.yml

@@ -12,7 +12,6 @@ on:
         type: string
 
 env:
-  HATCH_VERSION: "1.16.5"
   PYTHON_VERSION: "3.11"
 
 jobs:
@@ -32,26 +31,18 @@ jobs:
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
-      - name: Setup Python
-        uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
+      - uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
         with:
-          python-version: '3.11'
+          python-version: "${{ env.PYTHON_VERSION }}"
 
-      - name: Install Hatch
-        run: pip install hatch==${{ env.HATCH_VERSION }}
+      - name: Sync dev and test dependencies
+        run: uv sync --group dev --group test
 
       - name: Generate API reference for Docusaurus
-        run: hatch run docs
-
-      - name: Install base dependencies
-        run: |
-          python -m pip install --upgrade pip
-          pip install requests toml
+        run: uv run haystack-pydoc pydoc tmp_api_reference
 
       - name: Run snippet tests (verbose)
-        shell: bash
-        run: |
-          hatch -e test env run -- python docs-website/scripts/test_python_snippets.py --verbose tmp_api_reference/
+        run: uv run --with requests python docs-website/scripts/test_python_snippets.py --verbose tmp_api_reference/
 
   notify-slack-on-failure:
     if: failure() && github.ref_name == 'main'

.github/workflows/docusaurus_sync.yml

@@ -11,7 +11,6 @@ on:
       - ".github/workflows/docusaurus_sync.yml"
 
 env:
-  HATCH_VERSION: "1.16.5"
   PYTHON_VERSION: "3.11"
 
 jobs:
@@ -24,16 +23,15 @@ jobs:
       - name: Checkout Haystack repo
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
-      - name: Set up Python
-        uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
+      - uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
         with:
           python-version: "${{ env.PYTHON_VERSION }}"
 
-      - name: Install Hatch
-        run: pip install hatch==${{ env.HATCH_VERSION }}
+      - name: Sync dev dependencies
+        run: uv sync --group dev
 
       - name: Generate API reference for Docusaurus
-        run: hatch run docs
+        run: uv run haystack-pydoc pydoc tmp_api_reference
 
       - name: Sync generated API reference to docs folder
         run: |

.github/workflows/e2e.yml

@@ -17,7 +17,6 @@ on:
 env:
   PYTHON_VERSION: "3.10"
   OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
-  HATCH_VERSION: "1.16.5"
   # we use HF_TOKEN instead of HF_API_TOKEN to work around a Hugging Face bug
   # see https://github.com/deepset-ai/haystack/issues/9552
   HF_TOKEN: ${{ secrets.HUGGINGFACE_API_KEY }}
@@ -29,15 +28,15 @@ jobs:
     steps:
     - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
-    - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
+    - uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
       with:
         python-version: "${{ env.PYTHON_VERSION }}"
 
-    - name: Install Hatch
-      run: pip install hatch==${{ env.HATCH_VERSION }}
+    - name: Sync e2e dependencies
+      run: uv sync --group e2e
 
     - name: Run tests
-      run: hatch run e2e:test
+      run: uv run pytest e2e
 
     - name: Notify Slack on nightly failure
       if: failure() && github.event_name == 'schedule'

.github/workflows/nightly_testpypi_release.yml

@@ -6,9 +6,6 @@ on:
     - cron: "0 0 * * *"
   workflow_dispatch:
 
-env:
-  HATCH_VERSION: "1.16.5"
-
 jobs:
   nightly-release:
     runs-on: ubuntu-latest
@@ -35,11 +32,10 @@ jobs:
           echo "${NIGHTLY_VERSION}" > VERSION.txt
           echo "Building haystack-ai version: ${NIGHTLY_VERSION}"
 
-      - name: Install Hatch
-        run: pip install hatch==${{ env.HATCH_VERSION }}
+      - uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
 
       - name: Build Haystack
-        run: hatch build
+        run: uv build
 
       - name: Publish to PyPI
         uses: pypa/gh-action-pypi-publish@cef221092ed1bacb1cc03d23a2d87d1d172e277b # v1.14.0

.github/workflows/pypi_release.yml

@@ -7,9 +7,6 @@ on:
       # We must not release versions tagged with -rc0 suffix
       - "!v[0-9]+.[0-9]+.[0-9]-rc0"
 
-env:
-  HATCH_VERSION: "1.16.5"
-
 jobs:
   release-on-pypi:
     runs-on: ubuntu-latest
@@ -21,11 +18,10 @@ jobs:
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
-      - name: Install Hatch
-        run: pip install hatch==${{ env.HATCH_VERSION }}
+      - uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
 
       - name: Build Haystack
-        run: hatch build
+        run: uv build
 
       - name: Publish on PyPi
         uses: pypa/gh-action-pypi-publish@cef221092ed1bacb1cc03d23a2d87d1d172e277b # v1.14.0

.github/workflows/slow.yml

@@ -14,7 +14,6 @@ env:
   GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
   HF_API_TOKEN: ${{ secrets.HUGGINGFACE_API_KEY }}
   PYTHON_VERSION: "3.10"
-  HATCH_VERSION: "1.16.5"
   HAYSTACK_MPS_ENABLED: false
   HAYSTACK_XPU_ENABLED: false
 
@@ -131,15 +130,12 @@ jobs:
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
-      - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
+      - uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
         with:
           python-version: "${{ env.PYTHON_VERSION }}"
 
-      - name: Install Hatch
-        id: hatch
-        shell: bash
-        run: |
-          pip install hatch==${{ env.HATCH_VERSION }}
+      - name: Sync test dependencies
+        run: uv sync --group test
 
       - name: Run Tika
         if: matrix.os == 'ubuntu-latest'
@@ -151,7 +147,7 @@ jobs:
         run: ${{ matrix.install_cmd }}
 
       - name: Run tests
-        run: hatch run test:integration-only-slow
+        run: uv run pytest --maxfail=5 -m "integration and slow" test
 
       - name: Notify Slack on nightly failure
         if: failure() && github.event_name == 'schedule'