Installation

marshmallow requires Python >= 2.7 or >= 3.4. It has no external dependencies other than the Python standard library.

Note

The python-dateutil package is not a hard dependency, but it is recommended for robust datetime deserialization.

$ pip install python-dateutil

Installing/Upgrading from the PyPI

To install the latest stable version from the PyPI:

$ pip install -U marshmallow

To install the latest pre-release version from the PyPI:

$ pip install -U marshmallow --pre

To install marshmallow with the recommended soft dependencies:

$ pip install -U marshmallow[reco]

Get the Bleeding Edge Version

To get the latest development version of marshmallow, run

$ pip install -U git+https://github.com/marshmallow-code/marshmallow.git@dev

See also

Need help upgrading to newer releases? See the Upgrading to Newer Releases page.