ci: use uv to install dependencies

.github/workflows/benchmarks.yaml

@@ -12,7 +12,7 @@ jobs:
     steps:
       - uses: actions/setup-python@v5
         with:
-            python-version: "3.11"
+            python-version: "3.12"
       - uses: iterative/dvc-bench@main
         with:
             pytest_options: "-k 'test_init or test_help'"

.github/workflows/build.yaml

@@ -27,14 +27,15 @@ jobs:
       with:
         python-version: 3.12
 
-    - run: python -m pip install --upgrade pip setuptools_scm build twine
+    - uses: hynek/setup-cached-uv@v2
+    - run: uv pip install --upgrade setuptools_scm build twine --system
 
     - name: Force version for Test PyPI upload
       if: ${{ !startsWith(github.ref, 'refs/tags') }}
       run: echo version=$(python -m setuptools_scm | awk -F+ '{print $1}' | tail -1) >> $GITHUB_ENV
 
     - run: echo 'PKG = "pip"'>dvc/_build.py
-    - run: python -m build
+    - run: python -m build --installer=uv
       env:
         SETUPTOOLS_SCM_PRETEND_VERSION_FOR_DVC: ${{ env.version }}
     - run: twine check --strict dist/*

.github/workflows/plugin_tests.yaml

@@ -18,8 +18,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-20.04]
-        pyv: ["3.10"]
+        os: [ubuntu-latest]
+        pyv: ["3.12"]
         plugin: ["dvc-s3"]
 
     steps:
@@ -37,16 +37,17 @@ jobs:
       uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.pyv }}
-        cache: pip
+
+    - uses: hynek/setup-cached-uv@v2
+      with:
         cache-dependency-path: |
           dvc/pyproject.toml
-          ${{ matrix.plugin }}/setup.cfg
+          ${{ matrix.plugin }}/pyproject.toml
 
     - name: Install plugin + DVC@PR
       run: |
-        pip install --upgrade pip wheel
-        pip install "./dvc[testing]"
-        pip install -e "./${{ matrix.plugin }}[tests]"
+        uv pip install "./dvc[testing]" --system
+        uv pip install -e "./${{ matrix.plugin }}[tests]" --system
 
     - name: Run plugin tests
       timeout-minutes: 15

.github/workflows/tests.yaml

@@ -16,15 +16,68 @@ permissions:
   contents: read
 
 jobs:
+  lint:
+    timeout-minutes: 10
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+    - name: Set up Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: '3.12'
+    - uses: hynek/setup-cached-uv@v2
+      with:
+        cache-dependency-path: pyproject.toml
+    - run: uv pip install -e ".[dev]" --system
+      env:
+        UV_LINK_MODE: ${{ runner.os == 'Windows' && 'symlink' || 'hardlink' }}
+
+    - name: Cache mypy
+      uses: actions/cache@v4
+      with:
+        path: .mypy_cache
+        key: mypy-${{ runner.os }}-${{ env.pythonLocation }}-${{ hashFiles('pyproject.toml') }}
+    - uses: pre-commit/action@v3.0.1
+
   tests:
-    timeout-minutes: 50
+    timeout-minutes: 20
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-20.04, windows-latest, macos-latest]
+        os: [ubuntu-latest, macos-latest]
         pyv: ["3.9", "3.10", "3.11", "3.12"]
-
+        include:
+        - os: windows-latest
+          pyv: "3.9"
+          pytestargs: "--splits 4 --group 1"
+        - os: windows-latest
+          pyv: "3.9"
+          pytestargs: "--splits 4 --group 2"
+        - os: windows-latest
+          pyv: "3.9"
+          pytestargs: "--splits 4 --group 3"
+        - os: windows-latest
+          pyv: "3.9"
+          pytestargs: "--splits 4 --group 4"
+        - os: windows-latest
+          pyv: "3.12"
+          pytestargs: "--splits 4 --group 1"
+        - os: windows-latest
+          pyv: "3.12"
+          pytestargs: "--splits 4 --group 2"
+        - os: windows-latest
+          pyv: "3.12"
+          pytestargs: "--splits 4 --group 3"
+        - os: windows-latest
+          pyv: "3.12"
+          pytestargs: "--splits 4 --group 4"
     steps:
     - uses: actions/checkout@v4
       with:
@@ -33,20 +86,20 @@ jobs:
       uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.pyv }}
-        cache: pip
+    - uses: hynek/setup-cached-uv@v2
+      with:
         cache-dependency-path: pyproject.toml
-    - name: install
-      run: |
-        pip install --upgrade pip wheel
-        pip install -e ".[dev]"
-    - uses: pre-commit/action@v3.0.1
+    - run: uv pip install -e ".[dev]" pytest-split --system
+      env:
+        UV_LINK_MODE: ${{ runner.os == 'Windows' && 'symlink' || 'hardlink' }}
+
     - name: run tests
       timeout-minutes: 40
       env:
         PYTHONUTF8: 1
       run: >
-        pytest -n=logical --timeout=300 --durations=100
-        --cov --cov-report=xml --cov-report=term
+        pytest ${{ matrix.pytestargs }} -n=logical --timeout=300 --durations=0
+        --cov --cov-report=xml --cov-report=term  --durations-path=./.github/.test_durations
     - name: upload coverage report
       uses: codecov/codecov-action@v3
       with:

tests/func/test_daemon.py

@@ -6,7 +6,7 @@
 from collections import defaultdict
 from collections.abc import Iterator
 from contextlib import contextmanager, suppress
-from http.server import HTTPServer, SimpleHTTPRequestHandler
+from http.server import BaseHTTPRequestHandler, HTTPServer
 from pathlib import Path
 from threading import Thread
 from typing import ClassVar
@@ -41,7 +41,7 @@
 
 
 def make_request_handler():
-    class RequestHandler(SimpleHTTPRequestHandler):
+    class RequestHandler(BaseHTTPRequestHandler):
         # save requests count for each method
         hits: ClassVar[dict[str, int]] = defaultdict(int)
 
@@ -80,7 +80,10 @@ def server():
         thread = Thread(target=httpd.serve_forever)
         thread.daemon = True
         thread.start()
-        yield httpd
+        try:
+            yield httpd
+        finally:
+            httpd.shutdown()
 
 
 def test_analytics(tmp_path, server):
@@ -110,9 +113,13 @@ def test_analytics(tmp_path, server):
     pid = int(match.group(1).strip())
 
     with suppress(psutil.NoSuchProcess):
-        psutil.Process(pid).wait(timeout=10)
+        psutil.Process(pid).wait(timeout=30)
+
+    log_contents = logfile.read_text(encoding="utf8")
+    expected_line = (f"Process {pid} " if os.name != "nt" else "") + "exiting with 0"
+    assert expected_line in log_contents
+
     assert not os.path.exists(report_file)
-    assert f"Process {pid} exiting with 0" in logfile.read_text(encoding="utf8")
     assert server.RequestHandlerClass.hits == {"POST": 1}
 
 
@@ -142,7 +149,11 @@ def test_updater(tmp_dir, dvc, server):
 
     with suppress(psutil.NoSuchProcess):
         psutil.Process(pid).wait(timeout=10)
-    assert f"Process {pid} exiting with 0" in logfile.read_text(encoding="utf8")
+
+    log_contents = logfile.read_text(encoding="utf8")
+    expected_line = (f"Process {pid} " if os.name != "nt" else "") + "exiting with 0"
+    assert expected_line in log_contents
+
     assert server.RequestHandlerClass.hits == {"GET": 1}
     # check that the file is saved correctly
     updater_file = Path(dvc.tmp_dir) / Updater.UPDATER_FILE