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>=2.7.0'

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]

To get the latest development version of marshmallow, run

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