### Cloning the SpiffWorkflow Example CLI Repository - Bash

Source: https://github.com/sartography/spiff-example-cli/blob/main/README.rst

This command clones the spiff-example-cli repository from GitHub, providing access to the example code and documentation for the SpiffWorkflow BPMN engine.

```bash
git clone https://github.com/sartography/spiff-example-cli.git
```

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

### Loading Workflows via Command Line for SpiffWorkflow Example CLI - Console

Source: https://github.com/sartography/spiff-example-cli/blob/main/README.rst

This command-line instruction uses the `runner.py` script to add BPMN and DMN workflow specifications. It specifies the entry point, project name, and paths to the BPMN and DMN files, which are then serialized and stored as JSON.

```console
./runner.py -e spiff_example.spiff.file add \
      -p order_product \
      -b bpmn/tutorial/{top_level,call_activity}.bpmn \
      -d bpmn/tutorial/{product_prices,shipping_costs}.dmn
```

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

### Installing Python Dependencies for SpiffWorkflow Example CLI - Bash

Source: https://github.com/sartography/spiff-example-cli/blob/main/README.rst

This command uses pip to install all necessary Python packages listed in the 'requirements.txt' file. These dependencies are required for the SpiffWorkflow example application to function correctly.

```bash
pip3 install -r requirements.txt
```

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

### Running the Curses Application for SpiffWorkflow Example CLI - Console

Source: https://github.com/sartography/spiff-example-cli/blob/main/README.rst

This command launches the curses-based application, allowing users to interact with the SpiffWorkflow engine using previously loaded and serialized JSON workflow files. Users can then select 'Start Workflow' to initiate a process.

```console
./runner.py -e spiff_example.spiff.file
```

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

### Setting Up a Python Virtual Environment for SpiffWorkflow Example CLI - Bash

Source: https://github.com/sartography/spiff-example-cli/blob/main/README.rst

These commands navigate into the cloned repository, create a new Python virtual environment named 'venv', and then activate it. Activating the virtual environment isolates project dependencies.

```bash
cd spiff-example-cli
python3 -m venv venv
source ./venv/bin/activate
```

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

### Declaring Python Project Dependencies

Source: https://github.com/sartography/spiff-example-cli/blob/main/requirements.txt

This snippet specifies the Python packages required for the project. It includes `SpiffWorkflow` fetched directly from its GitHub repository's `main` branch, and exact version pins for `Jinja2` and `RestrictedPython` to ensure consistent environments.

```Python
SpiffWorkflow @ git+https://github.com/sartography/SpiffWorkflow@main
Jinja2==3.1.2
RestrictedPython==6.0
```

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