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.. _installing:
Installing the library
######################
There are several ways to get the pybind11 source, which lives at
`pybind/pybind11 on GitHub <https://github.com/pybind/pybind11>`_. The pybind11
developers recommend one of the first three ways listed here, submodule, PyPI,
or conda-forge, for obtaining pybind11.
.. _include_as_a_submodule:
Include as a submodule
======================
When you are working on a project in Git, you can use the pybind11 repository
as a submodule. From your git repository, use:
.. code-block:: bash
git submodule add -b stable ../../pybind/pybind11 extern/pybind11
git submodule update --init
This assumes you are placing your dependencies in ``extern/``, and that you are
using GitHub; if you are not using GitHub, use the full https or ssh URL
instead of the relative URL ``../../pybind/pybind11`` above. Some other servers
also require the ``.git`` extension (GitHub does not).
From here, you can now include ``extern/pybind11/include``, or you can use
the various integration tools (see :ref:`compiling`) pybind11 provides directly
from the local folder.
Include with PyPI
=================
You can download the sources and CMake files as a Python package from PyPI
using Pip. Just use:
.. code-block:: bash
pip install pybind11
This will provide pybind11 in a standard Python package format. If you want
pybind11 available directly in your environment root, you can use:
.. code-block:: bash
pip install "pybind11[global]"
This is not recommended if you are installing with your system Python, as it
will add files to ``/usr/local/include/pybind11`` and
``/usr/local/share/cmake/pybind11``, so unless that is what you want, it is
recommended only for use in virtual environments or your ``pyproject.toml``
file (see :ref:`compiling`).
Include with conda-forge
========================
You can use pybind11 with conda packaging via `conda-forge
<https://github.com/conda-forge/pybind11-feedstock>`_:
.. code-block:: bash
conda install -c conda-forge pybind11
Include with vcpkg
==================
You can download and install pybind11 using the Microsoft `vcpkg
<https://github.com/Microsoft/vcpkg/>`_ dependency manager:
.. code-block:: bash
git clone https://github.com/Microsoft/vcpkg.git
cd vcpkg
./bootstrap-vcpkg.sh
./vcpkg integrate install
vcpkg install pybind11
The pybind11 port in vcpkg is kept up to date by Microsoft team members and
community contributors. If the version is out of date, please `create an issue
or pull request <https://github.com/Microsoft/vcpkg/>`_ on the vcpkg
repository.
Global install with brew
========================
The brew package manager (Homebrew on macOS, or Linuxbrew on Linux) has a
`pybind11 package
<https://github.com/Homebrew/homebrew-core/blob/master/Formula/pybind11.rb>`_.
To install:
.. code-block:: bash
brew install pybind11
.. We should list Conan, and possibly a few other C++ package managers (hunter,
.. perhaps). Conan has a very clean CMake integration that would be good to show.
Other options
=============
Other locations you can find pybind11 are `listed here
<https://repology.org/project/python:pybind11/versions>`_; these are maintained
by various packagers and the community.
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