https://github.com/python/cpython/commit/be581b5dc52b277e00a0e9dff3e442436eb69ce8
commit: be581b5dc52b277e00a0e9dff3e442436eb69ce8
branch: main
author: Vyron Vasileiadis <[email protected]>
committer: ZeroIntensity <[email protected]>
date: 2026-11-03T21:38:43-05:00
summary:
gh-155273: Document `PyConfig.lazy_imports` (GH-155281)
files:
M Doc/c-api/init_config.rst
diff --git a/Doc/c-api/init_config.rst b/Doc/c-api/init_config.rst
index af74e2d0a8369b..f9190cbafc6a24 100644
--- a/Doc/c-api/init_config.rst
+++ b/Doc/c-api/init_config.rst
@@ -390,6 +390,10 @@ Configuration Options
- :c:member:`isolated <PyConfig.isolated>`
- ``bool``
- Read-only
+ * - ``"lazy_imports"``
+ - :c:member:`lazy_imports <PyConfig.lazy_imports>`
+ - ``int``
+ - Public
* - ``"legacy_windows_fs_encoding"``
- :c:member:`legacy_windows_fs_encoding
<PyPreConfig.legacy_windows_fs_encoding>`
- ``bool``
@@ -1599,6 +1603,21 @@ PyConfig
See also the :ref:`Isolated Configuration <init-isolated-conf>` and
:c:member:`PyPreConfig.isolated`.
+ .. c:member:: int lazy_imports
+
+ Control :ref:`lazy imports <lazy-imports>`.
+
+ A value of ``-1`` keeps the default behaviour, where only imports marked
+ with the ``lazy`` keyword are lazy. A value of ``1`` makes every import
+ lazy. ``0`` is rejected.
+
+ Configured by the :option:`-X lazy_imports <-X>` command line option or
+ the :envvar:`PYTHON_LAZY_IMPORTS` environment variable.
+
+ Default: ``-1``.
+
+ .. versionadded:: 3.15
+
.. c:member:: int legacy_windows_stdio
If non-zero, use :class:`io.FileIO` instead of
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