[libreoffice] Add automation (#354)

src/libreoffice.py

@@ -0,0 +1,27 @@
+import re
+
+from bs4 import BeautifulSoup
+from common import dates, http, releasedata
+
+"""Fetches LibreOffice versions from https://downloadarchive.documentfoundation.org/libreoffice/old/"""
+
+VERSION_PATTERN = re.compile(r"^(?P<version>\d+(\.\d+)*)\/$")
+
+with releasedata.ProductData("libreoffice") as product_data:
+    response = http.fetch_url("https://downloadarchive.documentfoundation.org/libreoffice/old/")
+    soup = BeautifulSoup(response.text, features="html5lib")
+
+    for table in soup.find_all("table"):
+        for row in table.find_all("tr")[1:]:
+            cells = row.find_all("td")
+            if len(cells) < 4:
+                continue
+
+            version_str = cells[1].get_text().strip()
+            date_str = cells[2].get_text().strip()
+            version_match = VERSION_PATTERN.match(version_str)
+
+            if version_match:
+                version = version_match["version"]
+                date = dates.parse_datetime(date_str)
+                product_data.declare_version(version, date)