ref-manual: add pypi class

Add missing documentation for the pypi class.

(From yocto-docs rev: d387ca891ad3a7d00ec3cb5f994dc5832c885d54)

Signed-off-by: Paul Eggleton <paul.eggleton@microsoft.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 8 insertions, 0 deletions

diff --git a/documentation/ref-manual/variables.rst b/documentation/ref-manual/variables.rst
index 067f8eed63..2685c61219 100644
--- a/documentation/ref-manual/variables.rst
+++ b/documentation/ref-manual/variables.rst
@@ -6177,6 +6177,14 @@ system and gives an overview of their function and contents.
 
       :term:`PV` is the default value of the :term:`PKGV` variable.
 
+   :term:`PYPI_PACKAGE`
+      When inheriting the :ref:`pypi <ref-classes-pypi>` class, specifies the
+      `PyPI <https://pypi.org/>`__ package name to be built. The default value
+      is set based upon :term:`BPN` (stripping any "python-" or "python3-"
+      prefix off if present), however for some packages it will need to be set
+      explicitly if that will not match the package name (e.g. where the
+      package name has a prefix, underscores, uppercase letters etc.)
+
    :term:`PYTHON_ABI`
       When used by recipes that inherit the
       :ref:`setuptools3 <ref-classes-setuptools3>` class, denotes the