PEP 594: Re-link removed batteries to last included version (#3778)

Makefile

@@ -39,8 +39,8 @@ dirhtml: html
 
 ## linkcheck      to check validity of links within PEP sources
 .PHONY: linkcheck
-check-links: BUILDER = linkcheck
-check-links: html
+linkcheck: BUILDER = linkcheck
+linkcheck: html
 
 ## check-links    (deprecated: use 'make linkcheck' alias instead)
 .PHONY: pages

peps/conf.py

@@ -20,6 +20,7 @@
 # Add any Sphinx extension module names here, as strings.
 extensions = [
     "pep_sphinx_extensions",
+    "sphinx.ext.extlinks",
     "sphinx.ext.intersphinx",
     "sphinx.ext.githubpages",
 ]
@@ -59,6 +60,14 @@
 }
 intersphinx_disabled_reftypes = []
 
+# sphinx.ext.extlinks
+# This config is a dictionary of external sites,
+# mapping unique short aliases to a base URL and a prefix.
+# https://www.sphinx-doc.org/en/master/usage/extensions/extlinks.html
+extlinks = {
+    "pypi": ("https://pypi.org/project/%s/", "%s"),
+}
+
 # -- Options for HTML output -------------------------------------------------
 
 _PSE_PATH = _ROOT / "pep_sphinx_extensions"