Update index file generation.

Author: eswan18

uc_python/build.py

@@ -13,4 +13,13 @@
     print(f"building slides for {repo.name}...")
     run(["make", "slides"], check=True)
     print("done")
-    print(os.getcwd())
+    slides_dir = folder / repo / "slides"
+    if not (slides_dir / "index.html").exists():
+        print("generating index.html")
+        index = slides_dir / "index.html"
+        with open(index, "at") as f:
+            f.write("<h1>Slides</h1>\n")
+            f.write("<ul>\n")
+            for slide_file in slides_dir.glob("*.html"):
+                f.write(f'<li><a href="{slide_file.name}">{slide_file.name}</a></li>\n')
+            f.write("</ul>\n")

uc_python/collate.py

@@ -11,12 +11,14 @@
 
 # Build an index as we go
 index = site / "index.html"
-index.write_text("<h1>UC Python Slides</h1>\n")
-for repo in folder.glob("*"):
-    slides_dir = (repo / "slides")
-    if not slides_dir.exists():
-        print(f"no slides in {slides_dir}, skipping")
-        continue
-    slides_dir.rename(site / repo.name)
-    with open(index, 'at') as f:
-        f.write(f'<a href="{repo.name}">{repo.name}</a>\n')
+with open(index, "wt") as f:
+    f.write("<h1>UC Python Slides</h1>\n")
+    f.write("<ul>\n")
+    for repo in folder.glob("*"):
+        slides_dir = (repo / "slides")
+        if not slides_dir.exists():
+            print(f"no slides in {slides_dir}, skipping")
+            continue
+        slides_dir.rename(site / repo.name)
+        f.write(f'<li><a href="{repo.name}">{repo.name}</a>\n</li>\n')
+    f.write("</ul>\n")