doc: use add_css_file(); not deprecated

add_stylesheet() is deprecated and removed in Sphinx 4.x

Signed-off-by: Quentin Young <qlyoung@nvidia.com>

2 files changed, 14 insertions, 10 deletions

diff --git a/doc/developer/conf.py b/doc/developer/conf.py
index 20265f4aad..8f282c0790 100644
--- a/doc/developer/conf.py
+++ b/doc/developer/conf.py
@@ -395,8 +395,11 @@ def setup(app):
     # printfrr extensions
     app.add_object_type("frrfmt", "frrfmt", parse_node=parse_frrfmt)
 
-    # css overrides for HTML theme
-    app.add_stylesheet("overrides.css")
+    if "add_css_file" in dir(app):
+        app.add_css_file("overrides.css")
+    else:
+        app.add_stylesheet("overrides.css")
+
     # load Pygments lexer for FRR config syntax
     #
     # NB: in Pygments 2.2+ this can be done with `load_lexer_from_file`, but we
diff --git a/doc/user/conf.py b/doc/user/conf.py
index e0aec40443..6db58b07c3 100644
--- a/doc/user/conf.py
+++ b/doc/user/conf.py
@@ -386,16 +386,17 @@ def setup(app):
     # node later on
     app.add_object_type("clicmd", "clicmd", indextemplate="pair: %s; configuration command")
 
-    # css overrides for HTML theme
-    # Note sphinx version differences
-    sver = vparse(sphinx.__version__)
-
-    if sver < vparse("1.8.0"):
-        app.add_stylesheet("overrides.css")
-        app.add_javascript("overrides.js")
+    # I dont care how stupid this is
+    if "add_js_file" in dir(app):
+        app.add_js_file("overrides.js")
     else:
+        app.add_javascript("overrides.js")
+
+    if "add_css_file" in dir(app):
         app.add_css_file("overrides.css")
-        app.add_js_file("overrides.js")
+    else:
+        app.add_stylesheet("overrides.css")
+
 
     # load Pygments lexer for FRR config syntax
     #