import apt_pkg
import time
import errno
+from glob import glob
+from re import findall
from daklib import utils
from daklib.config import Config
################################################################################
Cnf = None
-required_database_schema = 67
################################################################################
print "Determining dak database revision ..."
cnf = Config()
logger = Logger('update-db')
+ modules = []
try:
# Build a connect string
self.db = psycopg2.connect(connect_str)
- except Exception, e:
+ except Exception as e:
print "FATAL: Failed connect to database (%s)" % str(e)
sys.exit(1)
self.update_db_to_zero()
database_revision = 0
+ dbfiles = glob(os.path.join(os.path.dirname(__file__), 'dakdb/update*.py'))
+ required_database_schema = int(max(findall('update(\d+).py', " ".join(dbfiles))))
+
print "dak database schema at %d" % database_revision
print "dak version requires schema %d" % required_database_schema
- if database_revision == required_database_schema:
+ if database_revision < required_database_schema:
+ print "\nUpdates to be applied:"
+ for i in range(database_revision, required_database_schema):
+ i += 1
+ dakdb = __import__("dakdb", globals(), locals(), ['update'+str(i)])
+ update_module = getattr(dakdb, "update"+str(i))
+ print "Update %d: %s" % (i, next(s for s in update_module.__doc__.split("\n") if s))
+ modules.append((update_module, i))
+ prompt = "\nUpdate database? (y/N) "
+ answer = utils.our_raw_input(prompt)
+ if answer.upper() != 'Y':
+ sys.exit(0)
+ else:
print "no updates required"
logger.log(["no updates required"])
sys.exit(0)
- for i in range (database_revision, required_database_schema):
+ for module in modules:
+ (update_module, i) = module
try:
- dakdb = __import__("dakdb", globals(), locals(), ['update'+str(i+1)])
- update_module = getattr(dakdb, "update"+str(i+1))
update_module.do_update(self)
- message = "updated database schema from %d to %d" % (database_revision, i+1)
+ message = "updated database schema from %d to %d" % (database_revision, i)
print message
logger.log([message])
- except DBUpdateError, e:
+ except DBUpdateError as e:
# Seems the update did not work.
- print "Was unable to update database schema from %d to %d." % (database_revision, i+1)
+ print "Was unable to update database schema from %d to %d." % (database_revision, i)
print "The error message received was %s" % (e)
logger.log(["DB Schema upgrade failed"])
logger.close()
if not cnf.has_key("Update-DB::Options::%s" % (i)):
cnf["Update-DB::Options::%s" % (i)] = ""
- arguments = apt_pkg.ParseCommandLine(cnf.Cnf, arguments, sys.argv)
+ arguments = apt_pkg.parse_commandline(cnf.Cnf, arguments, sys.argv)
- options = cnf.SubTree("Update-DB::Options")
+ options = cnf.subtree("Update-DB::Options")
if options["Help"]:
self.usage()
elif arguments:
fcntl.lockf(lock_fd, fcntl.LOCK_EX | fcntl.LOCK_NB)
else:
utils.warn("Lock directory doesn't exist yet - not locking")
- except IOError, e:
+ except IOError as e:
if errno.errorcode[e.errno] == 'EACCES' or errno.errorcode[e.errno] == 'EAGAIN':
utils.fubar("Couldn't obtain lock; assuming another 'dak process-unchecked' is already running.")