ci: add testing with minimal requirements (#2105)

Author: Borda

.github/workflows/cpu-tests.yml

@@ -20,7 +20,7 @@ permissions:
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}-${{ github.head_ref }}
-  cancel-in-progress: ${{ github.event_name == 'pull_request_target' }}
+  cancel-in-progress: ${{ startsWith(github.event_name, 'pull_request') }}
 
 defaults:
   run:
@@ -79,9 +79,11 @@ jobs:
       matrix:
         os: ["ubuntu-22.04"]
         python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        requires: ["latest"]
         include:
-          - { os: "macOS-14", python-version: "3.10" }
-          - { os: "windows-2022", python-version: "3.10" }
+          - { os: "ubuntu-22.04", python-version: "3.9", requires: "oldest" }
+          - { os: "windows-2022", python-version: "3.10", requires: "latest" }
+          - { os: "macOS-14", python-version: "3.10", requires: "latest" }
     timeout-minutes: 35
     steps:
       - name: Checkout generic
@@ -95,8 +97,8 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
-          cache: "pip"
           cache-dependency-path: pyproject.toml
+          cache: "pip"
 
       # Add caching for HF models and tokenizers
       - name: HF cache
@@ -110,6 +112,11 @@ jobs:
             hf-cache_${{ runner.os }}-
             hf-cache_
 
+      - name: Set min. dependencies
+        if: matrix.requires == 'oldest'
+        run: |
+          pip install 'lightning-utilities[cli]>=0.15.1'
+          python -m lightning_utilities.cli requirements set-oldest --req_files=pyproject.toml
       - name: Install dependencies
         run: |
           pip install '.[extra,compiler,test]' -U

pyproject.toml

@@ -26,17 +26,17 @@ classifiers = [
 ]
 dependencies = [
   # download models:
-  "huggingface-hub>=0.23.5,<0.33",
-  "jsonargparse[signatures]>=4.30.1,<=4.32.1; python_version<='3.9'", # 4.33 does not seem to be compatible with Python 3.9
-  "jsonargparse[signatures]>=4.37; python_version>'3.9'",             # required to work with python3.12+
+  "huggingface-hub>=0.30,<0.33",
+  "jsonargparse[signatures]>=4.31,<=4.32.1; python_version<'3.10'", # 4.33 does not seem to be compatible with Python 3.9
+  "jsonargparse[signatures]>=4.37; python_version>'3.9'",           # required to work with python3.12+
   "lightning>=2.5",
   "psutil==7",
   "safetensors>=0.4.3",
   # tokenization in most models:
-  "tokenizers>=0.15.2",
-  "torch>=2.5",
+  "tokenizers>=0.21",
+  "torch>=2.6",
   # convert_hf_checkpoint
-  "tqdm>=4.66",
+  "tqdm>4.66",
 ]
 
 optional-dependencies.compiler = [