### Install Dependencies from Requirements

Source: https://github.com/anthonyharrison/sbom4python/blob/main/README.md

Alternatively, clone the repository and install dependencies using the provided requirements.txt file. This is useful for development or custom installations.

```bash
pip install -U -r requirements.txt
```

--------------------------------

### Install SBOM4Python

Source: https://github.com/anthonyharrison/sbom4python/blob/main/README.md

Install the SBOM4Python tool using pip. This command installs the package and its dependencies.

```bash
pip install sbom4python
```

--------------------------------

### Install development dependencies

Source: https://github.com/anthonyharrison/sbom4python/blob/main/CONTRIBUTING.md

Installs development-specific dependencies from the 'dev-requirements.txt' file.

```bash
pip install -r dev-requirements.txt
```

--------------------------------

### Install local copy for development

Source: https://github.com/anthonyharrison/sbom4python/blob/main/CONTRIBUTING.md

Installs the project locally in editable mode, allowing for development and testing without needing to package and reinstall. This command should be run from the main project directory.

```bash
python3 -m pip install --user -e .
```

--------------------------------

### Install virtualenv

Source: https://github.com/anthonyharrison/sbom4python/blob/main/CONTRIBUTING.md

Installs the virtualenv package, which is recommended for managing Python virtual environments to avoid dependency conflicts.

```bash
pip install virtualenv
```

--------------------------------

### Install libmagic on Linux

Source: https://github.com/anthonyharrison/sbom4python/blob/main/README.md

On Linux systems, install the 'libmagic' library using the system's package manager. This is a prerequisite for the 'python-magic' library.

```bash
apt install libmagic-dev
```

--------------------------------

### Install libmagic on MacOS

Source: https://github.com/anthonyharrison/sbom4python/blob/main/README.md

On MacOS, install the 'libmagic' library using Homebrew. This is a prerequisite for the 'python-magic' library.

```bash
brew install libmagic
```

--------------------------------

### Resolve python-magic Installation Error on Windows

Source: https://github.com/anthonyharrison/sbom4python/blob/main/README.md

If encountering an 'ImportError: failed to find libmagic' on Windows, uninstall and then reinstall 'python-magic' and 'python-magic-bin'.

```bash
pip uninstall python-magic
pip uninstall python-magic-bin

pip install python-magic
pip install python-magic-bin
```

--------------------------------

### Create a Python 3.9 virtual environment

Source: https://github.com/anthonyharrison/sbom4python/blob/main/CONTRIBUTING.md

Creates a new virtual environment named 'venv3.9' in the specified directory using Python 3.9.

```bash
virtualenv -p python3.9 ~/Code/venv3.9
```

--------------------------------

### SBOM4Python Command Line Usage

Source: https://github.com/anthonyharrison/sbom4python/blob/main/README.md

The main command-line interface for SBOM4Python. It accepts various options to specify input modules, requirements files, output formats, and more.

```bash
usage: sbom4python [-h] [-m MODULE] [-r REQUIREMENT] [--system] [--exclude-license] [--include-file] [--include-service] [--use-pip] [--python PYTHON] [-d] [--sbom {spdx,cyclonedx}] [--format {tag,json,yaml}] [-o OUTPUT_FILE] [-g GRAPH] [-V]

SBOM4Python generates a Software Bill of Materials for the specified installed Python module identifying all of the dependent components which are explicity defined (typically via requirements.txt file) or implicitly as a hidden
dependency.

options:
  -h, --help            show this help message and exit
  -V, --version         show program's version number and exit

Input:
  -m MODULE, --module MODULE
                        identity of python module
  -r REQUIREMENT, --requirement REQUIREMENT
                        name of requirements file
  --system              include all installed python modules within system
  --exclude-license     suppress detecting the license of components
  --include-file        include reporting files associated with module
  --include-service     include reporting of endpoints
  --use-pip             use pip for package management
  --python PYTHON       use specified Python interpreter for pip

Output:
  -d, --debug           add debug information
  --sbom {spdx,cyclonedx}
                        specify type of sbom to generate (default: spdx)
  --format {tag,json,yaml}
                        specify format of software bill of materials (sbom) (default: tag)
  -o OUTPUT_FILE, --output-file OUTPUT_FILE
                        output filename (default: output to stdout)
  -g GRAPH, --graph GRAPH
                        filename for dependency graph
```

--------------------------------

### Format all imports with isort

Source: https://github.com/anthonyharrison/sbom4python/blob/main/CONTRIBUTING.md

Recursively formats Python imports in all files within the current directory and its subdirectories using isort.

```bash
isort --profile black .
```

--------------------------------

### Format imports with isort

Source: https://github.com/anthonyharrison/sbom4python/blob/main/CONTRIBUTING.md

Formats Python imports alphabetically and by type using the isort tool. The '--profile black' flag ensures compatibility with the Black formatter.

```bash
isort --profile black filename.py
```

--------------------------------

### Activate a virtual environment

Source: https://github.com/anthonyharrison/sbom4python/blob/main/CONTRIBUTING.md

Activates the virtual environment located at '~/Code/venv3.9/bin/activate'. Once activated, 'python' and 'pip' commands will use the environment's specific Python version and packages.

```bash
source ~/Code/venv3.9/bin/activate
```

--------------------------------

### Format String using f-string

Source: https://github.com/anthonyharrison/sbom4python/blob/main/CONTRIBUTING.md

This snippet shows how to format a string using Python's f-string syntax to include variables like name and age. It demonstrates embedding variables directly within curly braces and highlights that type conversion is handled automatically.

```python
#Program prints a string containing name and age of person
name = "John Doe"
age = 23
print(f"Name of the person is {name} and his age is {age}")

#Output
# "Name of the person is John Doe and his age is 23"
```

--------------------------------

### Format code with Black

Source: https://github.com/anthonyharrison/sbom4python/blob/main/CONTRIBUTING.md

Applies automatic style formatting to a Python file using the Black formatter, ensuring PEP8 compliance. This should typically be run after isort.

```bash
black filename.py
```

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