build-scripts/check-debian-autoremovals.py

   1 #!/usr/bin/python3
   2 import re
   3 import sys
   4
   5 import requests
   6 import yaml
   7
   8
   9 PACKAGE_NAMES = ["pdns", "pdns-recursor", "dnsdist"]
  10
  11
  12 def get_bugs_titles(bugs):
  13     ret = []
  14     title_regex = re.compile(r"<title>(.*) - Debian Bug report logs</title>")
  15     for bug in bugs:
  16         bug_r = requests.get("https://bugs.debian.org/cgi-bin/bugreport.cgi", params={"bug": bug})
  17         lines = bug_r.text.split("\n")
  18         for line in lines:
  19             match = title_regex.search(line)
  20             if match:
  21                 ret.append(match.group(1))
  22                 break
  23     return ret
  24
  25
  26 def get_all_autoremovals():
  27     r = requests.get("https://udd.debian.org/cgi-bin/autoremovals.yaml.cgi")
  28     return yaml.load(r.text, Loader=yaml.SafeLoader)
  29
  30
  31 def warn_removal(all_autoremovals, package_name):
  32     removal = all_autoremovals.get(package_name)
  33     if not removal:
  34         return False
  35
  36     reason = "there are bugged dependencies." if removal["dependencies_only"] else "of a bug in PowerDNS!"
  37     msg = (
  38         f"::warning ::{package_name} slated for removal from Debian on "
  39         f"{removal['removal_date']} (https://tracker.debian.org/pkg/{package_name}) "
  40         f"because {reason}\n\n"
  41     )
  42
  43     bugs = get_bugs_titles(removal.get("bugs_dependencies", []))
  44     if len(bugs):
  45         msg += f"This is caused by the following dependency bug{'s' if len(bugs) > 1 else ''}:\n  "
  46         msg += ("\n  ".join(bugs)) + "\n"
  47
  48     bugs = get_bugs_titles(removal["bugs"])
  49     if len(bugs):
  50         msg += f"This is caused by the following bug{'s' if len(bugs) > 1 else ''} in PowerDNS:\n  "
  51         msg += ("\n  ".join(bugs)) + "\n"
  52
  53     print(msg)
  54     return True
  55
  56
  57 def main():
  58     all_autoremovals = get_all_autoremovals()
  59     removals = []
  60     for package_name in PACKAGE_NAMES:
  61         if warn_removal(all_autoremovals, package_name):
  62             removals.append(package_name)
  63
  64     if removals:
  65         sys.exit(1)
  66     else:
  67         print("::notice ::No packages marked for autoremoval from Debian (yay!)")
  68         sys.exit(0)
  69
  70
  71 if __name__ == "__main__":
  72     main()