[PATCH 02/13] docs: enable Sphinx autodoc extension to allow documenting python

[Mauro Carvalho Chehab]

Adding python documentation is simple with Sphinx: all we need
is to include the ext.autodoc extension and add the directories
where the Python code sits at the sys.path.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
---
 Documentation/conf.py | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/Documentation/conf.py b/Documentation/conf.py
index 1ea2ae5c6276..429fcc9fd7f7 100644
--- a/Documentation/conf.py
+++ b/Documentation/conf.py
@@ -13,11 +13,18 @@ from  textwrap import dedent
 
 import sphinx
 
+# Location of Documentation/ directory
+doctree = os.path.abspath(".")
+
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.
 sys.path.insert(0, os.path.abspath("sphinx"))
 
+# Allow sphinx.ext.autodoc to document from tools and scripts
+sys.path.append(f"{doctree}/../tools")
+sys.path.append(f"{doctree}/../scripts")
+
 # Minimal supported version
 needs_sphinx = "3.4.3"
 
@@ -32,9 +39,6 @@ else:
     # Include patterns that don't contain directory names, in glob format
     include_patterns = ["**.rst"]
 
-# Location of Documentation/ directory
-doctree = os.path.abspath(".")
-
 # Exclude of patterns that don't contain directory names, in glob format.
 exclude_patterns = []
 
@@ -151,6 +155,7 @@ extensions = [
     "maintainers_include",
     "parser_yaml",
     "rstFlatTable",
+    "sphinx.ext.autodoc",
     "sphinx.ext.autosectionlabel",
     "sphinx.ext.ifconfig",
     "translations",
-- 
2.52.0