dagshell 0.2.0

A virtual POSIX filesystem with content-addressable DAG structure

DagShell

A virtual POSIX-compliant filesystem implementation with content-addressable DAG structure.

Quick Start

# Install the package
pip install -e .

# Start the terminal emulator
python -m dagshell.terminal

# Or use the Python API directly
python
>>> from dagshell.dagshell_fluent import DagShell
>>> shell = DagShell()
>>> shell.mkdir("/project").cd("/project")
>>> shell.echo("Hello, DagShell!").out("README.md")
>>> shell.save("my_project.json")

Features

• Content-Addressable Filesystem: SHA256-based deduplication
• Virtual POSIX Environment: Complete filesystem in JSON
• Multiple Interfaces: Python API, Scheme DSL, Terminal emulator
• Persistence: Save/load filesystem state as JSON
• Virtual Devices: /dev/null, /dev/random, /dev/zero
• Directory Navigation: cd, pushd, popd, dirs
• Import/Export: Transfer files between real and virtual filesystems
• Command History: Track and recall previous commands
• Comprehensive Testing: 583 tests with 77% code coverage

Development

# Run tests
python -m pytest tests/ -v

# Run with coverage
python -m pytest tests/ --cov=dagshell --cov-report=term

License

MIT