[Python-checkins] gh-97740: Fix bang in Sphinx C domain ref target syntax (#97741)

[ezio-melotti]

https://github.com/python/cpython/commit/9148c0d893c7807331fd7be0997261e289074bc5
commit: 9148c0d893c7807331fd7be0997261e289074bc5
branch: main
author: C.A.M. Gerlach <CAM.Gerlach at Gerlach.CAM>
committer: ezio-melotti <ezio.melotti at gmail.com>
date: 2022-10-03T05:51:22+02:00
summary:

gh-97740: Fix bang in Sphinx C domain ref target syntax (#97741)

* gh-97740: Fix bang in Sphinx C domain ref target syntax

Co-authored-by: Adam Turner <9087854+AA-Turner at users.noreply.github.com>

* Add NEWS entry for C domain bang fix

Co-authored-by: Adam Turner <9087854+AA-Turner at users.noreply.github.com>

files:
A Misc/NEWS.d/next/Documentation/2022-10-02-10-58-52.gh-issue-97741.39l023.rst
M Doc/conf.py

diff --git a/Doc/conf.py b/Doc/conf.py
index 0a436d7affcd..909f992d9d82 100644
--- a/Doc/conf.py
+++ b/Doc/conf.py
@@ -249,3 +249,18 @@
 # bpo-40204: Disable warnings on Sphinx 2 syntax of the C domain since the
 # documentation is built with -W (warnings treated as errors).
 c_warn_on_allowed_pre_v3 = False
+
+# Fix '!' not working with C domain when pre_v3 is enabled
+import sphinx
+
+if sphinx.version_info[:2] < (5, 3):
+    from sphinx.domains.c import CXRefRole
+
+    original_run = CXRefRole.run
+
+    def new_run(self):
+        if self.disabled:
+            return super(CXRefRole, self).run()
+        return original_run(self)
+
+    CXRefRole.run = new_run
diff --git a/Misc/NEWS.d/next/Documentation/2022-10-02-10-58-52.gh-issue-97741.39l023.rst b/Misc/NEWS.d/next/Documentation/2022-10-02-10-58-52.gh-issue-97741.39l023.rst
new file mode 100644
index 000000000000..8da9c92f6fd8
--- /dev/null
+++ b/Misc/NEWS.d/next/Documentation/2022-10-02-10-58-52.gh-issue-97741.39l023.rst
@@ -0,0 +1,2 @@
+Fix ``!`` in c domain ref target syntax via a ``conf.py`` patch, so it works
+as intended to disable ref target resolution.