l.s.d.p.LaunchpadDatabasePolicy(BaseDatabasePolicy) : class documentation

Part of lp.services.database.policy View In Hierarchy

Default database policy for web requests.

Selects the DEFAULT_FLAVOR based on the request.

Method	__init__	Undocumented
Method	install	See `IDatabasePolicy`.
Method	uninstall	See `IDatabasePolicy`.
Method	getReplicationLag	Return the replication lag between the primary and our hot standby.
Method	_hasSession	Is there is already a session cookie hanging around?

Inherited from BaseDatabasePolicy:

Method	getStore	See `IDatabasePolicy`.
Method	__enter__	See `IDatabasePolicy`.
Method	__exit__	See `IDatabasePolicy`.

def __init__(self, request):

overrides lp.services.database.policy.BaseDatabasePolicy.__init__

Undocumented

def _hasSession(self):

Is there is already a session cookie hanging around?

def install(self):

overrides lp.services.database.policy.BaseDatabasePolicy.install

See IDatabasePolicy.

def uninstall(self):

overrides lp.services.database.policy.BaseDatabasePolicy.uninstall

See IDatabasePolicy.

If the request just handled was not read_only, we need to store this fact and the timestamp in the session. Subsequent requests can then keep using the master until they are sure any changes made have been propagated.

def getReplicationLag(self):

Return the replication lag between the primary and our hot standby.

Returns timedelta, or None if this isn't a replicated environment,

API Documentation for Launchpad, generated by pydoctor at 2022-06-16 00:00:12.