Fix linting

Author: druvus

.github/workflows/comprehensive-testing.yml

@@ -21,7 +21,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.11", "3.12", "3.13"]
 
     steps:
     - uses: actions/checkout@v4
@@ -56,13 +56,8 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest]
-        python-version: ["3.8", "3.10", "3.12", "3.13"]
-        include:
-          # Test on macOS with additional Python versions
-          - os: macos-latest
-            python-version: "3.9"
-          - os: macos-latest  
-            python-version: "3.11"
+        python-version: ["3.11", "3.12", "3.13"]
+        # No additional includes needed - all versions covered in matrix
 
     steps:
     - uses: actions/checkout@v4
@@ -90,7 +85,7 @@ jobs:
           -x
     
     - name: Upload coverage to Codecov
-      if: matrix.os == 'ubuntu-latest' && matrix.python-version == '3.10'
+      if: matrix.os == 'ubuntu-latest' && matrix.python-version == '3.11'
       uses: codecov/codecov-action@v3
       with:
         file: ./coverage.xml
@@ -99,7 +94,7 @@ jobs:
         fail_ci_if_error: false
 
     - name: Upload coverage artifacts
-      if: matrix.os == 'ubuntu-latest' && matrix.python-version == '3.10'
+      if: matrix.os == 'ubuntu-latest' && matrix.python-version == '3.11'
       uses: actions/upload-artifact@v4
       with:
         name: coverage-reports

.github/workflows/test.yml

@@ -15,7 +15,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest]
-        python-version: ["3.8", "3.10", "3.12", "3.13"]
+        python-version: ["3.11", "3.12", "3.13"]
 
     steps:
     - uses: actions/checkout@v4
@@ -38,7 +38,7 @@ jobs:
           -v --cov=preprimer --cov-report=xml --tb=short
 
     - name: Upload coverage to Codecov
-      if: matrix.os == 'ubuntu-latest' && matrix.python-version == '3.10'
+      if: matrix.os == 'ubuntu-latest' && matrix.python-version == '3.11'
       uses: codecov/codecov-action@v3
       with:
         file: ./coverage.xml

README.md

@@ -43,7 +43,7 @@ The software maintains bidirectional conversion compatibility across implemented
 
 ## Installation
 
-PrePrimer requires Python 3.8 or later and is supported on **Linux** and **macOS** only.
+PrePrimer requires Python 3.11 or later and is supported on **Linux** and **macOS** only.
 
 > ⚠️ **Note**: Windows is not currently supported due to Unicode character encoding limitations.
 

docs/developer/ci-cd.md

@@ -32,7 +32,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest]
-        python-version: ["3.8", "3.10", "3.12", "3.13"]
+        python-version: ["3.11", "3.12", "3.13"]
 
     steps:
       - name: Run core tests with coverage
@@ -58,7 +58,7 @@ jobs:
 smoke-tests:
   strategy:
     matrix:
-      python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
+      python-version: ["3.11", "3.12", "3.13"]
 
   steps:
     - name: Validate installation
@@ -72,7 +72,7 @@ comprehensive-tests:
   strategy:
     matrix:
       os: [ubuntu-latest, macos-latest]
-      python-version: ["3.8", "3.10", "3.12", "3.13"]
+      python-version: ["3.11", "3.12", "3.13"]
 
   steps:
     - name: Run comprehensive test suite
@@ -96,8 +96,8 @@ comprehensive-tests:
 ### Test Matrix
 | Platform | Python Versions | Test Types |
 |----------|----------------|------------|
-| Ubuntu Latest | 3.8, 3.9, 3.10, 3.11, 3.12, 3.13 | All tests |
-| macOS Latest | 3.8, 3.10, 3.12, 3.13 | Core + Integration |
+| Ubuntu Latest | 3.11, 3.12, 3.13 | All tests |
+| macOS Latest | 3.11, 3.12, 3.13 | Core + Integration |
 
 ### Performance Benchmarking
 ```yaml
@@ -248,7 +248,7 @@ secrets:
   CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
   
 variables:
-  PYTHON_VERSION_MATRIX: '["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]'
+  PYTHON_VERSION_MATRIX: '["3.11", "3.12", "3.13"]'
 ```
 
 ### Caching Strategy

docs/developer/contributing.md

@@ -5,7 +5,7 @@ Guidelines and procedures for contributing to PrePrimer development.
 ## Development Environment Setup
 
 ### Prerequisites
-- Python 3.8 or later
+- Python 3.11 or later
 - Git version control
 - Virtual environment support
 

docs/technical/compatibility.md

@@ -8,13 +8,13 @@ PrePrimer compatibility requirements and platform-specific considerations.
 - **Status**: Fully supported
 - **Distributions**: Ubuntu 20.04+, CentOS 7+, Debian 10+, Fedora 30+
 - **Architecture**: x86_64, ARM64
-- **Python**: 3.8-3.13
+- **Python**: 3.11-3.13
 
 ### macOS  
 - **Status**: Fully supported
 - **Versions**: macOS 10.15 (Catalina) and later
 - **Architecture**: Intel x86_64, Apple Silicon (M1/M2)
-- **Python**: 3.8-3.13
+- **Python**: 3.11-3.13
 
 ### Windows
 - **Status**: Not supported
@@ -48,12 +48,10 @@ pip3 install -e ".[dev]"
 
 | Python Version | Status | Notes |
 |---------------|---------|-------|
-| 3.8 | ✅ Supported | Minimum required version |
-| 3.9 | ✅ Supported | Full feature support |
-| 3.10 | ✅ Supported | Recommended for development |
-| 3.11 | ✅ Supported | Improved performance |
-| 3.12 | ✅ Supported | Latest stable features |
-| 3.13 | ✅ Supported | Experimental support |
+| 3.11 | ✅ Supported | Minimum required version |
+| 3.12 | ✅ Supported | Recommended for development |
+| 3.13 | ✅ Supported | Latest stable features |
+| 3.8-3.10 | ❌ Deprecated | No longer supported as of v0.3.0 |
 | <3.8 | ❌ Unsupported | Missing required language features |
 
 ## Hardware Requirements
@@ -116,9 +114,9 @@ pip install -e ".[dev]"
 ## Testing Across Platforms
 
 ### CI/CD Testing Matrix
-- **Ubuntu Latest**: Python 3.8, 3.10, 3.12, 3.13
-- **macOS Latest**: Python 3.8, 3.10, 3.12, 3.13
-- **Test Coverage**: 226 tests across all supported configurations
+- **Ubuntu Latest**: Python 3.11, 3.12, 3.13
+- **macOS Latest**: Python 3.11, 3.12, 3.13
+- **Test Coverage**: 581 tests across all supported configurations
 
 ### Platform-Specific Tests
 ```bash

docs/technical/testing.md

@@ -202,7 +202,7 @@ The testing framework integrates with CI/CD pipelines:
 
 **CI Features:**
 - Multi-platform testing (Ubuntu, macOS)
-- Multi-Python version support (3.8-3.13)
+- Multi-Python version support (3.11-3.13)
 - Automated benchmark comparison
 - Security vulnerability scanning
 

docs/user-guide/installation.md

@@ -5,7 +5,7 @@ Installation instructions for PrePrimer on supported platforms.
 ## Prerequisites
 
 ### System Requirements
-- **Python**: 3.8 or later
+- **Python**: 3.11 or later
 - **Operating System**: Linux or macOS only
 - **Memory**: 512 MB RAM minimum (2 GB recommended for large files)
 - **Storage**: 100 MB free space
@@ -274,7 +274,7 @@ pip install -e .
 python --version
 python3 --version
 
-# PrePrimer requires Python 3.8+
+# PrePrimer requires Python 3.11+
 # Update Python if needed
 ```
 
@@ -356,7 +356,7 @@ rm -rf preprimer-env  # or your environment name
 
 If you encounter installation issues:
 
-1. **Check Prerequisites**: Ensure Python 3.8+ is installed
+1. **Check Prerequisites**: Ensure Python 3.11+ is installed
 2. **Use Virtual Environment**: Isolate dependencies
 3. **Check GitHub Issues**: [Search existing issues](https://github.com/FOI-Bioinformatics/preprimer/issues)
 4. **Report New Issues**: Include:
@@ -367,7 +367,7 @@ If you encounter installation issues:
 
 ## 📋 **Installation Checklist**
 
-- [ ] Python 3.8+ installed
+- [ ] Python 3.11+ installed
 - [ ] Git installed
 - [ ] Virtual environment created (recommended)
 - [ ] PrePrimer cloned and installed