Add atlassian_eol.py auto method (#318)

This method fetches EOL dates from https://confluence.atlassian.com/support/atlassian-support-end-of-life-policy-201851003.html.

src/atlassian_eol.py

@@ -0,0 +1,34 @@
+import logging
+import re
+import sys
+
+from bs4 import BeautifulSoup
+from common import dates, endoflife, http, releasedata
+
+"""Fetches EOL dates Atlassian EOL page.
+
+The only needed argument is the last part of the product title identifier on the Atlassian EOL page,
+such as `JiraSoftware` (from `AtlassianSupportEndofLifePolicy-JiraSoftware`).
+"""
+
+METHOD = "atlassian_eol"
+REGEX = r"(?P<release>\d+(\.\d+)+) \(EOL date: (?P<date>.+)\).*$"
+PATTERN = re.compile(REGEX, re.MULTILINE)
+
+p_filter = sys.argv[1] if len(sys.argv) > 1 else None
+m_filter = sys.argv[2] if len(sys.argv) > 2 else None
+for config in endoflife.list_configs(p_filter, METHOD, m_filter):
+    with releasedata.ProductData(config.product) as product_data:
+        response = http.fetch_url('https://confluence.atlassian.com/support/atlassian-support-end-of-life-policy-201851003.html')
+        soup = BeautifulSoup(response.text, features="html5lib")
+
+        for li in soup.select(f"#AtlassianSupportEndofLifePolicy-{config.url}+ul li"):
+            match = PATTERN.match(li.get_text(strip=True))
+            if not match:
+                logging.warning(f"Failed to parse EOL date from '{li.get_text(strip=True)}'")
+                continue
+
+            version = match.group("release")
+            date = dates.parse_date(match.group("date"))
+            releases = product_data.get_release(version)
+            releases.set_eol(date)