Added UV_SYSTEM_PYTHON environment variable to workflows

Author: VisLab

.github/workflows/black.yaml

@@ -12,6 +12,8 @@ permissions:
 jobs:
   black:
     runs-on: ubuntu-latest
+    env:
+      UV_SYSTEM_PYTHON: "1"
     steps:
       - uses: actions/checkout@v6
 
@@ -22,7 +24,7 @@ jobs:
           enable-cache: true
 
       - name: Install Black
-        run: uv pip install --system "black>=24.0.0"
+        run: uv pip install "black>=24.0.0"
 
       - name: Check code formatting with Black
         run: |

.github/workflows/ci.yaml

@@ -36,6 +36,8 @@ jobs:
         python-version: ${{fromJson(needs.determine_version.outputs.matrix)}}
 
     runs-on: ${{ matrix.platform }}
+    env:
+      UV_SYSTEM_PYTHON: "1"
 
     steps:
       - uses: actions/checkout@v6
@@ -50,7 +52,7 @@ jobs:
 
       # Install dependencies
       - name: Install dependencies
-        run: uv pip install --system -e .[docs,test]
+        run: uv pip install -e .[docs,test]
 
       # Run spec tests without coverage for non Python 3.10
       - name: Run spec_test

.github/workflows/ci_cov.yaml

@@ -17,6 +17,8 @@ jobs:
         python-version: [ "3.10" ]
 
     runs-on: ${{ matrix.platform }}
+    env:
+      UV_SYSTEM_PYTHON: "1"
 
     steps:
       - uses: actions/checkout@v6
@@ -31,7 +33,7 @@ jobs:
 
       # Install dependencies
       - name: Install dependencies
-        run: uv pip install --system ruff -e .[docs,test]
+        run: uv pip install ruff -e .[docs,test]
 
       # Run ruff
       - name: Lint with ruff

.github/workflows/ci_windows.yaml

@@ -14,6 +14,8 @@ jobs:
         python-version: ["3.10", "3.11", "3.12"]
 
     runs-on: ${{ matrix.platform }}
+    env:
+      UV_SYSTEM_PYTHON: "1"
 
     steps:
       - uses: actions/checkout@v6
@@ -27,7 +29,7 @@ jobs:
           enable-cache: true
 
       - name: Install dependencies
-        run: uv pip install --system -e .[test]
+        run: uv pip install -e .[test]
 
       - name: Test with unittest
         env:

.github/workflows/codespell.yaml

@@ -14,6 +14,8 @@ jobs:
   codespell:
     name: Check for spelling errors
     runs-on: ubuntu-latest
+    env:
+      UV_SYSTEM_PYTHON: "1"
 
     steps:
       - name: Checkout
@@ -26,7 +28,7 @@ jobs:
           enable-cache: true
 
       - name: Install dependencies
-        run: uv pip install --system codespell tomli
+        run: uv pip install codespell tomli
 
       - name: Run Codespell
         run: codespell . 

.github/workflows/docs.yaml

@@ -18,6 +18,8 @@ concurrency:
 jobs:
   build:
     runs-on: ubuntu-latest
+    env:
+      UV_SYSTEM_PYTHON: "1"
     steps:
     - uses: actions/checkout@v6
       with:
@@ -30,7 +32,7 @@ jobs:
         enable-cache: true
 
     - name: Install dependencies
-      run: uv pip install --system -e .[docs]
+      run: uv pip install -e .[docs]
 
     - name: Configure Git for GitHub Pages
       run: |

.github/workflows/links.yaml

@@ -14,6 +14,8 @@ jobs:
   link-checker:
     name: Lychee link checker
     runs-on: ubuntu-latest
+    env:
+      UV_SYSTEM_PYTHON: "1"
 
     steps:
       - name: Checkout
@@ -26,7 +28,7 @@ jobs:
           enable-cache: true
 
       - name: Install dependencies
-        run: uv pip install --system -e .[docs]
+        run: uv pip install -e .[docs]
 
       - name: Build documentation with Sphinx
         run: |

.github/workflows/mdformat.yaml

@@ -14,6 +14,8 @@ jobs:
   mdformat:
     name: Markdown formatting
     runs-on: ubuntu-latest
+    env:
+      UV_SYSTEM_PYTHON: "1"
 
     steps:
       - name: Checkout
@@ -26,7 +28,7 @@ jobs:
           enable-cache: true
 
       - name: Install dependencies
-        run: uv pip install --system "mdformat>=0.7.0" "mdformat-myst>=0.1.5"
+        run: uv pip install "mdformat>=0.7.0" "mdformat-myst>=0.1.5"
 
       - name: Run mdformat (check only)
         run: |

.github/workflows/notebook_tests.yaml

@@ -23,6 +23,8 @@ jobs:
   test-notebooks:
     name: Test Jupyter Notebooks
     runs-on: ubuntu-latest
+    env:
+      UV_SYSTEM_PYTHON: "1"
     strategy:
       matrix:
         python-version: ["3.10", "3.13"]
@@ -39,7 +41,7 @@ jobs:
           enable-cache: true
 
       - name: Install dependencies
-        run: uv pip install --system -e .[examples]
+        run: uv pip install -e .[examples]
 
       - name: Test notebook structure and imports
         run: |

.github/workflows/ruff.yaml

@@ -13,6 +13,8 @@ jobs:
   ruff:
     name: Check for style errors and common problems
     runs-on: ubuntu-latest
+    env:
+      UV_SYSTEM_PYTHON: "1"
     steps:
       - name: Checkout
         uses: actions/checkout@v6
@@ -24,7 +26,7 @@ jobs:
           enable-cache: true
 
       - name: Install Ruff
-        run: uv pip install --system "ruff>=0.8.0"
+        run: uv pip install "ruff>=0.8.0"
 
       - name: Run Ruff linter
         run: |