Install Flask-FS with pip:

pip install flask-fs

Each backend has its own dependencies:

$ pip install flask-fs[s3]  # For Amazon S3 backend support
$ pip install flask-fs[swift]  # For OpenStack swift backend support
$ pip install flask-fs[gridfs]  # For GridFS backend support
$ pip install flask-fs[all]  # To include all dependencies for all backends

The development version can be downloaded from GitHub.

git clone
cd flask-fs
pip install -e .[dev]

Flask-FS requires Python version 2.6, 2.7, 3.3, 3.4 or 3.5. It’s also working with PyPy and PyPy3.