Add support for pep440 version identifiers

Author: eifinger

.github/workflows/test.yml

@@ -82,6 +82,23 @@ jobs:
         env:
           UV_VERSION: ${{ steps.setup-uv.outputs.uv-version }}
 
+  test-pep440-version:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install version 0.4.30
+        id: setup-uv
+        uses: ./
+        with:
+          version: ">=0.4.25,<0.5"
+      - name: Correct version gets installed
+        run: |
+          if [ "$UV_VERSION" != "0.4.30" ]; then
+            exit 1
+          fi
+        env:
+          UV_VERSION: ${{ steps.setup-uv.outputs.uv-version }}
+
   test-pyproject-file-version:
     runs-on: ubuntu-latest
     steps:
@@ -475,6 +492,7 @@ jobs:
       - test-default-version
       - test-specific-version
       - test-semver-range
+      - test-pep440-version
       - test-pyproject-file-version
       - test-malformed-pyproject-file-fallback
       - test-uv-file-version

README.md

@@ -66,6 +66,7 @@ For an example workflow, see
 ### Install a version by supplying a semver range
 
 You can specify a [semver range](https://github.com/npm/node-semver?tab=readme-ov-file#ranges)
+or [pep440 identifier](https://peps.python.org/pep-0440/#version-specifiers)
 to install the latest version that satisfies the range.
 
 ```yaml
@@ -82,6 +83,13 @@ to install the latest version that satisfies the range.
     version: "0.4.x"
 ```
 
+```yaml
+- name: Install a pep440-specifier-satisfying version of uv
+  uses: astral-sh/setup-uv@v5
+  with:
+    version: ">=0.4.25,<0.5"
+```
+
 ### Install a required-version
 
 You can specify a [required-version](https://docs.astral.sh/uv/reference/settings/#required-version)