aurweb/scripts/aurblup.py

   1 #!/usr/bin/python3
   2
   3 import pyalpm
   4 import re
   5
   6 import aurweb.config
   7 import aurweb.db
   8
   9 db_path = aurweb.config.get('aurblup', 'db-path')
  10 sync_dbs = aurweb.config.get('aurblup', 'sync-dbs').split(' ')
  11 server = aurweb.config.get('aurblup', 'server')
  12
  13
  14 def main():
  15     blacklist = set()
  16     providers = set()
  17     repomap = dict()
  18
  19     h = pyalpm.Handle("/", db_path)
  20     for sync_db in sync_dbs:
  21         repo = h.register_syncdb(sync_db, pyalpm.SIG_DATABASE_OPTIONAL)
  22         repo.servers = [server.replace("%s", sync_db)]
  23         t = h.init_transaction()
  24         repo.update(False)
  25         t.release()
  26
  27         for pkg in repo.pkgcache:
  28             blacklist.add(pkg.name)
  29             [blacklist.add(x) for x in pkg.replaces]
  30             providers.add((pkg.name, pkg.name))
  31             repomap[(pkg.name, pkg.name)] = repo.name
  32             for provision in pkg.provides:
  33                 provisionname = re.sub(r'(<|=|>).*', '', provision)
  34                 providers.add((pkg.name, provisionname))
  35                 repomap[(pkg.name, provisionname)] = repo.name
  36
  37     conn = aurweb.db.Connection()
  38
  39     cur = conn.execute("SELECT Name, Provides FROM OfficialProviders")
  40     oldproviders = set(cur.fetchall())
  41
  42     for pkg, provides in providers.difference(oldproviders):
  43         repo = repomap[(pkg, provides)]
  44         conn.execute("INSERT INTO OfficialProviders (Name, Repo, Provides) "
  45                      "VALUES (?, ?, ?)", [pkg, repo, provides])
  46     for pkg, provides in oldproviders.difference(providers):
  47         conn.execute("DELETE FROM OfficialProviders "
  48                      "WHERE Name = ? AND Provides = ?", [pkg, provides])
  49
  50     conn.commit()
  51     conn.close()
  52
  53
  54 if __name__ == '__main__':
  55     main()