Fix regression testing CI and centralize workflow matrices

.github/workflows-config/os-versions.txt

@@ -0,0 +1,5 @@
+ubuntu-22.04
+ubuntu-24.04
+macos-15
+macos-14
+windows-latest

.github/workflows-config/python-versions.txt

@@ -0,0 +1,6 @@
+3.8
+3.9
+3.10
+3.11
+3.12
+3.13

.github/workflows/build.yml

@@ -3,20 +3,33 @@ name: Build
 on: [push, pull_request]
 
 jobs:
+  load-matrix:
+    runs-on: ubuntu-latest
+    outputs:
+      python: ${{ steps.set-matrix.outputs.python }}
+      os: ${{ steps.set-matrix.outputs.os }}
+    steps:
+      - uses: actions/checkout@v4
+      - id: set-matrix
+        run: |
+          echo "python=$(jq -Rsc 'split("\n") | map(select(length > 0))' .github/workflows-config/python-versions.txt)" >> $GITHUB_OUTPUT
+          echo "os=$(jq -Rsc 'split("\n") | map(select(length > 0))' .github/workflows-config/os-versions.txt)" >> $GITHUB_OUTPUT
+
   test:
+    needs: load-matrix
     runs-on: ${{ matrix.os }}
 
     strategy:
       matrix:
-        os: [ubuntu-22.04, ubuntu-24.04, macos-15, macos-14, windows-latest]
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        os: ${{ fromJson(needs.load-matrix.outputs.os) }}
+        python-version: ${{ fromJson(needs.load-matrix.outputs.python) }}
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
 
@@ -43,10 +56,10 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Set up Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: '3.8'
 
@@ -79,10 +92,10 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Set up Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: '3.10'
 
@@ -189,10 +202,9 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
-
+        uses: actions/checkout@v4
       - name: Set up Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: '3.10'
 

.github/workflows/regression-testing.yml

@@ -1,25 +1,43 @@
 name: Regression Testing
 
 on:
+  push:
+    branches: ['*']
+    tags: ['*']
+  pull_request:
+    branches: [ master ]
   schedule:
     - cron: 0 0 * * *
 
 jobs:
+  load-matrix:
+    runs-on: ubuntu-latest
+    outputs:
+      python: ${{ steps.set-matrix.outputs.python }}
+      os: ${{ steps.set-matrix.outputs.os }}
+    steps:
+      - uses: actions/checkout@v4
+      - id: set-matrix
+        run: |
+          echo "python=$(jq -Rsc 'split("\n") | map(select(length > 0))' .github/workflows-config/python-versions.txt)" >> $GITHUB_OUTPUT
+          echo "os=$(jq -Rsc 'split("\n") | map(select(length > 0))' .github/workflows-config/os-versions.txt)" >> $GITHUB_OUTPUT
+
   test:
+    needs: load-matrix
     runs-on: ${{ matrix.os }}
 
     strategy:
       max-parallel: 1
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ["3.7", "3.8", "3.9", "3.10"]
+        os: ${{ fromJson(needs.load-matrix.outputs.os) }}
+        python-version: ${{ fromJson(needs.load-matrix.outputs.python) }}
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
 

lean/components/util/path_manager.py

@@ -12,6 +12,7 @@
 # limitations under the License.
 
 from pathlib import Path
+from typing import Optional
 
 from lean.components import reserved_names, output_reserved_names, forbidden_characters
 from lean.components.config.lean_config_manager import LeanConfigManager
@@ -29,13 +30,15 @@ def __init__(self, lean_config_manager: LeanConfigManager, platform_manager: Pla
         self._lean_config_manager = lean_config_manager
         self._platform_manager = platform_manager
 
-    def get_relative_path(self, destination: Path, source: Path = Path.cwd()) -> Path:
+    def get_relative_path(self, destination: Path, source: Optional[Path] = None) -> Path:
         """Returns a path relative to another one.
 
         :param destination: the path to point to
         :param source: the root where the relative path is relative to
         :return: the destination path relative to the source path, or destination path if it is not relative
         """
+        if source is None:
+            source = Path.cwd()
         try:
             return destination.relative_to(source)
         except ValueError:

setup.py

@@ -77,19 +77,19 @@ def get_stubs_version_range() -> str:
         "console_scripts": ["lean=lean.main:main"]
     },
     install_requires=install_requires,
-    python_requires=">= 3.7",
+    python_requires=">= 3.8",
     classifiers=[
         "Development Status :: 5 - Production/Stable",
         "Intended Audience :: Developers",
         "Intended Audience :: Financial and Insurance Industry",
         "License :: OSI Approved :: Apache Software License",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
-        "Programming Language :: Python :: 3.12"
+        "Programming Language :: Python :: 3.12",
+        "Programming Language :: Python :: 3.13"
     ],
     project_urls={
         "Documentation": "https://www.lean.io/docs/v2/lean-cli/key-concepts/getting-started",