feat(python_repl): add configurable security modes with file path restrictions #193
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…trictions - Add SecurityMode enum with NORMAL and RESTRICTED modes - Implement ASTSecurityValidator for static code analysis - Add file path whitelist system with PYTHON_REPL_ALLOWED_PATHS - Block dangerous imports, builtins, and attributes in restricted mode - Add resource limits (memory, CPU) with configurable timeouts - Implement protection against path traversal and symlink bypass - Add comprehensive test suite covering all security features - Update documentation with security configuration examples BREAKING CHANGE: None - feature is opt-in via PYTHON_REPL_RESTRICTED_MODE=true Environment Variables: - PYTHON_REPL_RESTRICTED_MODE: Enable/disable restricted mode (default: false) - PYTHON_REPL_ALLOWED_PATHS: Comma-separated allowed directories - PYTHON_REPL_ALLOW_CURRENT_DIR: Allow current directory access (default: true) - PYTHON_REPL_TIMEOUT: Execution timeout in seconds (default: 30) - PYTHON_REPL_MEMORY_LIMIT_MB: Memory limit in MB (default: 100) Refs: strands-agents#192
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New feature for python_repl tool
BREAKING CHANGE: None - feature is opt-in via PYTHON_REPL_RESTRICTED_MODE=true
Environment Variables:
Refs: #192
Description
This feature adds configurable restricted modes to the Python REPL tool, providing AST-based code validation and execution restrictions to prevent potentially dangerous operations while maintaining full backward compatibility.
Related Issues
#192
Documentation PR
Type of Change
New feature for existing tool
Testing
How have you tested the change? Verify that the changes do not break functionality or introduce warnings in consuming repositories: agents-docs, agents-tools, agents-cli
hatch run prepareChecklist
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