[amazon-neptune] Add automation

Relates to https://github.com/endoflife-date/endoflife.date/pull/3141.

src/amazon-neptune.py

@@ -0,0 +1,33 @@
+import re
+from xml.dom.minidom import parseString
+from common import endoflife
+from datetime import datetime
+
+"""Fetch versions with their dates from the RSS feed of
+https://docs.aws.amazon.com/neptune/latest/userguide/engine-releases.html.
+"""
+
+PRODUCT = "amazon-neptune"
+REGEX = r"^Engine version (?P<version>[0-9R.]+)$"
+URL = "https://docs.aws.amazon.com/neptune/latest/userguide/rssupdates.rss"
+
+print(f"::group::{PRODUCT}")
+versions = {}
+
+response = endoflife.fetch_url(URL)
+rss = parseString(response)
+for item in rss.getElementsByTagName("item"):
+    title = item.getElementsByTagName("title")[0].firstChild.nodeValue
+    pubDate = item.getElementsByTagName("pubDate")[0].firstChild.nodeValue
+    matches = re.match(REGEX, title)
+    if matches:
+        version = matches['version']
+        date = datetime.strptime(pubDate, "%a, %d %b %Y %H:%M:%S %Z").strftime("%Y-%m-%d")
+        versions[version] = date
+        print(f"{version}: {date}")
+
+endoflife.write_releases(PRODUCT, dict(
+    # sort by date then version (desc)
+    sorted(versions.items(), key=lambda x: (x[1], x[0]), reverse=True)
+))
+print("::endgroup::")