Add links to preview sites for PRs

Makefile

@@ -1,4 +1,4 @@
-.PHONY: doc-serve shortcode-docs docs scipy main blog learn tools serve-dev
+.PHONY: doc-serve shortcode-docs netlify-preview preview-theme theme docs scipy main blog learn tools serve-dev
 .DEFAULT_GOAL := doc-serve
 
 GH_ORG = scientific-python
@@ -32,12 +32,16 @@ doc-serve: doc/content/shortcodes.md
 # The following is for use on netlify
 # -----------------------------------
 
-netlify-preview: theme scipy main blog learn tools
+netlify-preview: preview-theme theme scipy main blog learn tools
 	mv scipy/public doc/public/scipy
 	mv main/public doc/public/main
 	mv blog/public doc/public/blog
 	mv learn/public doc/public/learn
 	mv tools/public doc/public/tools
+	git restore doc/content/_index.md
+
+preview-theme:
+	python tools/add_preview_links.py
 
 theme: doc/content/shortcodes.md
 	(cd doc ; hugo --themesDir="../..")

README.md

@@ -7,18 +7,3 @@ The **Scientific Python Hugo Theme** is a theme for the
 Please see the [theme
 documentation](https://theme.scientific-python.org), especially the
 [get started](https://theme.scientific-python.org/getstarted/) page.
-
-## Theme development
-
-When making PRs against this repository, a site preview of the theme
-documentation will be rendered. From there, you can browse preview
-builds of a few other community websites: `scipy`, `main`
-(scientific-python.org), `blog`, and `learn`. E.g., if the preview link is
-
-https://deploy-preview-301--scientific-python-hugo-theme.netlify.app/
-
-browse to
-
-https://deploy-preview-301--scientific-python-hugo-theme.netlify.app/blog
-
-to see how the blog rendered.

tools/add_preview_links.py

@@ -0,0 +1,14 @@
+filename = "doc/content/_index.md"
+preview_links = """
+{{< admonition attention >}}
+See scientific python, [blog](blog), learn, [tools](tools), scipy, and numpy.
+{{< /admonition >}}
+"""
+
+with open(filename, "r") as f:
+    index = f.readlines()
+
+with open(filename, "w") as f:
+    index.insert(3, preview_links)
+    index = "".join(index)
+    f.write(index)