Feature/professional code quality overhaul

.github/pull_request_template.md

@@ -0,0 +1,124 @@
+## 📋 Pull Request Description
+
+### Summary
+Provide a brief description of the changes in this PR.
+
+### 🎯 Type of Change
+- [ ] 🐛 Bug fix (non-breaking change which fixes an issue)
+- [ ] ✨ New feature (non-breaking change which adds functionality)
+- [ ] 💥 Breaking change (fix or feature that would cause existing functionality to not work as expected)
+- [ ] 📚 Documentation update
+- [ ] 🔧 Refactoring (no functional changes)
+- [ ] ⚡ Performance improvement
+- [ ] 🧪 Test improvements
+
+### 🔗 Related Issues
+Closes #(issue number)
+Fixes #(issue number)
+Relates to #(issue number)
+
+### 🚀 What's Changed
+Describe the changes made in detail:
+
+- Change 1
+- Change 2
+- Change 3
+
+### 🧪 Testing
+
+#### Test Coverage
+- [ ] Unit tests added/updated
+- [ ] Integration tests added/updated
+- [ ] All existing tests pass
+- [ ] New tests cover edge cases
+
+#### Manual Testing
+Describe manual testing performed:
+- [ ] Tested on local environment
+- [ ] Tested with real API endpoints (if applicable)
+- [ ] Tested error scenarios
+- [ ] Verified backward compatibility
+
+### 📸 Screenshots (if applicable)
+Add screenshots to help explain your changes.
+
+### 🔧 Configuration Changes
+List any new environment variables, configuration options, or setup requirements:
+
+```yaml
+# Example configuration changes
+NEW_ENV_VAR: "description of what this does"
+```
+
+### 📚 Documentation Updates
+- [ ] README.md updated
+- [ ] CHANGELOG.md updated
+- [ ] Code comments and docstrings added/updated
+- [ ] API documentation updated
+
+### 🛡️ Security Considerations
+- [ ] No sensitive data exposed
+- [ ] Input validation implemented
+- [ ] Authentication/authorization handled properly
+- [ ] Security scan passed
+
+### ⚡ Performance Impact
+- [ ] No performance degradation
+- [ ] Performance improved
+- [ ] Added performance monitoring
+- [ ] Load tested (if applicable)
+
+### 🔄 Migration Required
+If this is a breaking change, describe the migration path:
+
+```python
+# Before
+old_function_call()
+
+# After  
+new_function_call()
+```
+
+### ✅ Pre-submission Checklist
+- [ ] Code follows project style guidelines
+- [ ] Self-review completed
+- [ ] Code is well-commented
+- [ ] Changes generate no new warnings
+- [ ] Tests are added that prove the fix is effective or feature works
+- [ ] New and existing unit tests pass locally
+- [ ] Any dependent changes have been merged and published
+
+### 🔍 Code Quality
+- [ ] Code follows PEP 8 standards
+- [ ] Type hints added where appropriate
+- [ ] Error handling implemented
+- [ ] Logging added for debugging
+- [ ] No code duplication
+
+### 🎯 Reviewer Notes
+Add any specific areas you'd like reviewers to focus on:
+
+- Focus on the error handling in `file.py`
+- Check the performance of the new algorithm
+- Verify the API integration works correctly
+
+### 📋 Deployment Notes
+Any special considerations for deployment:
+
+- [ ] No deployment considerations
+- [ ] Requires environment variable updates
+- [ ] Requires database migrations
+- [ ] Requires infrastructure changes
+
+---
+
+### 📝 Additional Notes
+Add any other context or information that reviewers should know.
+
+---
+
+**By submitting this PR, I confirm that:**
+- [ ] I have read and agree to the project's contributing guidelines
+- [ ] This contribution is my own original work
+- [ ] I have the right to submit this work under the project's license
+- [ ] I understand this will be publicly available and may be redistributed

.github/workflows/ci.yml

@@ -0,0 +1,108 @@
+name: Continuous Integration
+
+on:
+  push:
+    branches: [ main, develop ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [3.8, 3.9, 3.10, 3.11]
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ matrix.python-version }}
+
+    - name: Cache pip dependencies
+      uses: actions/cache@v3
+      with:
+        path: ~/.cache/pip
+        key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
+        restore-keys: |
+          ${{ runner.os }}-pip-
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install -r common/requirements.txt
+        pip install -r tests/requirements.txt
+
+    - name: Lint with flake8
+      run: |
+        pip install flake8
+        # stop the build if there are Python syntax errors or undefined names
+        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
+        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+
+    - name: Test with pytest
+      run: |
+        python -m pytest tests/ -v --cov=common --cov-report=xml
+
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v3
+      with:
+        file: ./coverage.xml
+        flags: unittests
+        name: codecov-umbrella
+
+  security:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Set up Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: 3.9
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install bandit safety
+
+    - name: Run Bandit security scan
+      run: bandit -r . -f json -o bandit-report.json || true
+
+    - name: Run Safety check
+      run: safety check --json --output safety-report.json || true
+
+    - name: Upload security reports
+      uses: actions/upload-artifact@v3
+      with:
+        name: security-reports
+        path: |
+          bandit-report.json
+          safety-report.json
+
+  code-quality:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Set up Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: 3.9
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install black isort mypy
+
+    - name: Check code formatting with Black
+      run: black --check --diff .
+
+    - name: Check import sorting with isort
+      run: isort --check-only --diff .
+
+    - name: Type check with mypy
+      run: mypy common/ --ignore-missing-imports || true

.gitignore

@@ -0,0 +1,74 @@
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+pip-wheel-metadata/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# Virtual environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# Logs
+*.log
+logs/
+
+# Environment variables
+.env.local
+.env.production
+.env.development
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# OS
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
+
+# Treasure Data
+*.td
+
+# Temporary files
+tmp/
+temp/
+*.tmp
+
+# Sensitive data
+secrets/
+credentials/
+api_keys/