Fiona is a lightweight Python library designed for reading and writing spatial data files. It focuses on simplicity and performance, providing a convenient API for interacting with geographic file formats such as shapefiles, GeoJSON, and other vector data formats. Fiona is widely used in geospatial applications and is built on the GDAL library for robust file handling.

Features of Fiona:

• Support for multiple vector data formats.
• Simple and Pythonic API for ease of use.
• Read and write capabilities for spatial datasets.
• Built on the powerful GDAL library for efficient data processing.
• Integration with Python data structures like dictionaries and lists.
• Extensive support for coordinate reference systems (CRS).

To check Fiona version, run:
$ sudo su
$ python3 -m venv ~/fiona-env
$ source ~/fiona-env/bin/activate
$ python3 -c "import fiona; print(fiona.__version__)"

Disclaimer: Fiona is an open-source library and is distributed without warranty. While it is reliable for most use cases, users should validate its performance and compatibility for critical applications. Ensure that all dependencies, especially GDAL, are properly configured for optimal functionality.