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raise error if database is newer

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Job Evers-Meltzer 2016-10-25 16:49:08 -05:00
parent 5d45345398
commit 3c7eec9456
2 changed files with 8 additions and 5 deletions
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10
lbrynet/lbrynet_daemon/Daemon.py
View file

@ -981,10 +981,10 @@ class Daemon(jsonrpc.JSONRPC):
self.startup_status = STARTUP_STAGES[1]
log.info("Loading databases...")
if self.created_data_dir:
db_revision = open(os.path.join(self.db_dir, "db_revision"), mode='w')
db_revision.write(str(self.current_db_revision))
db_revision.close()
log.debug("Created the db revision file: %s", str(os.path.join(self.db_dir, "db_revision")))
db_revision_path = os.path.join(self.db_dir, "db_revision")
with open(db_revision_path, mode='w') as db_revision:
db_revision.write(str(self.current_db_revision))
log.debug("Created the db revision file: %s", db_revision_path)
if not os.path.exists(self.blobfile_dir):
os.mkdir(self.blobfile_dir)
log.debug("Created the blobfile directory: %s", str(self.blobfile_dir))
@ -994,6 +994,8 @@ class Daemon(jsonrpc.JSONRPC):
db_revision_file = os.path.join(self.db_dir, "db_revision")
if os.path.exists(db_revision_file):
old_revision = int(open(db_revision_file).read().strip())
if old_revision > self.current_db_revision:
raise Exception('This version of lbrynet is not compatible with the database')
if old_revision < self.current_db_revision:
from lbrynet.db_migrator import dbmigrator
log.info("Upgrading your databases...")

3
lbrynet/lbrynet_daemon/DaemonServer.py
View file

@ -30,7 +30,8 @@ class DaemonServer(object):
self.root.putChild(API_ADDRESS, self._api)
return defer.succeed(True)
def start(self, branch=DEFAULT_UI_BRANCH, user_specified=False, branch_specified=False, wallet=None):
def start(self, branch=DEFAULT_UI_BRANCH, user_specified=False,
branch_specified=False, wallet=None):
d = self._setup_server(wallet)
d.addCallback(lambda _: self._api.setup(branch, user_specified, branch_specified))
return d