.. _spkg_pyrsistent:

pyrsistent: Persistent data structures in Python
================================================

Description
-----------

Pyrsistent is a number of persistent collections (by some referred to as
functional data structures). Persistent in the sense that they are immutable.

License
-------

MIT License


Upstream Contact
----------------

Home page: http://github.com/tobgu/pyrsistent/

Dependencies
------------

- Python
- Setuptools
- hypothesis
- memory-profiler
- pyperform
- pytest
- Sphinx
- sphinx-rtd-theme
- tox

Type
----

standard


Dependencies
------------

- $(PYTHON)
- :ref:`spkg_vcversioner`
- $(PYTHON_TOOLCHAIN)

Version Information
-------------------

package-version.txt::

    0.18.1

install-requires.txt::

    pyrsistent >=0.16.0


Equivalent System Packages
--------------------------

conda:

.. CODE-BLOCK:: bash

    $ conda install  pyrsistent


macports:
install the following packages: py-pyrsistent

void:

.. CODE-BLOCK:: bash

    $ sudo xbps-install  python3-pyrsistent


See https://repology.org/project/pyrsistent/versions, https://repology.org/project/python:pyrsistent/versions


However, these system packages will not be used for building Sage
because using Python site-packages is not supported by the Sage distribution;
see :trac:`29023`

