import openerp.sql_db
import openerp.osv.orm
+import openerp.cron
+import openerp.tools
import openerp.modules.db
import openerp.tools.config
""" Return a model for a given name or raise KeyError if it doesn't exist."""
return self.models[model_name]
- def instanciate(self, module, cr):
- """ Instanciate all the classes of a given module for a particular db."""
+ def load(self, cr, module):
+ """ Load a given module in the registry.
+
+ At the Python level, the modules are already loaded, but not yet on a
+ per-registry level. This method populates a registry with the given
+ modules, i.e. it instanciates all the classes of a the given module
+ and registers them in the registry.
+
+ """
res = []
# Instantiate registered classes (via the MetaModel automatic discovery
# or via explicit constructor call), and add them to the pool.
- for cls in openerp.osv.orm.MetaModel.module_to_models.get(module, []):
+ for cls in openerp.osv.orm.MetaModel.module_to_models.get(module.name, []):
res.append(cls.create_instance(self, cr))
return res
+ def schedule_cron_jobs(self):
+ """ Make the cron thread care about this registry/database jobs.
+ This will initiate the cron thread to check for any pending jobs for
+ this registry/database as soon as possible. Then it will continuously
+ monitor the ir.cron model for future jobs. See openerp.cron for
+ details.
+ """
+ openerp.cron.schedule_wakeup(openerp.cron.WAKE_UP_NOW, self.db.dbname)
+
def clear_caches(self):
""" Clear the caches
-
This clears the caches associated to methods decorated with
``tools.ormcache`` or ``tools.ormcache_multi`` for all the models.
"""
registries (essentially database connection/model registry pairs).
"""
-
# Mapping between db name and model registry.
# Accessed through the methods below.
registries = {}
registries_lock = threading.RLock()
-
@classmethod
def get(cls, db_name, force_demo=False, status=None, update_module=False,
pooljobs=True):
update_module, pooljobs)
return registry
-
@classmethod
def new(cls, db_name, force_demo=False, status=None,
update_module=False, pooljobs=True):
cr.close()
if pooljobs:
- registry.get('ir.cron').restart(registry.db.dbname)
+ registry.schedule_cron_jobs()
return registry
-
@classmethod
def delete(cls, db_name):
- """ Delete the registry linked to a given database. """
+ """Delete the registry linked to a given database.
+
+ This also cleans the associated caches. For good measure this also
+ cancels the associated cron job. But please note that the cron job can
+ be running and take some time before ending, and that you should not
+ remove a registry if it can still be used by some thread. So it might
+ be necessary to call yourself openerp.cron.Agent.cancel(db_name) and
+ and join (i.e. wait for) the thread.
+ """
with cls.registries_lock:
if db_name in cls.registries:
+ cls.registries[db_name].clear_caches()
del cls.registries[db_name]
+ openerp.cron.cancel(db_name)
@classmethod
+ def delete_all(cls):
+ """Delete all the registries. """
+ with cls.registries_lock:
+ for db_name in cls.registries.keys():
+ cls.delete(db_name)
+
+ @classmethod
def clear_caches(cls, db_name):
- """ Clear the caches
+ """Clear caches
This clears the caches associated to methods decorated with
``tools.ormcache`` or ``tools.ormcache_multi`` for all the models
cls.registries[db_name].clear_caches()
-# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
+# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
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