""" Models registries.
"""
+import threading
+
+import logging
import openerp.sql_db
import openerp.osv.orm
import openerp.cron
import openerp.tools
-
+import openerp.modules.db
+import openerp.tools.config
class Registry(object):
""" Model registry for a particular database.
self.db_name = db_name
self.db = openerp.sql_db.db_connect(db_name)
+ cr = self.db.cursor()
+ has_unaccent = openerp.modules.db.has_unaccent(cr)
+ if openerp.tools.config['unaccent'] and not has_unaccent:
+ logger = logging.getLogger('unaccent')
+ logger.warning("The option --unaccent was given but no unaccent() function was found in database.")
+ self.has_unaccent = openerp.tools.config['unaccent'] and has_unaccent
+ cr.close()
+
def do_parent_store(self, cr):
for o in self._init_parent:
self.get(o)._parent_store_compute(cr)
""" 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.
- res = []
+ 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.
- # Instanciate classes registered through their constructor and
- # add them to the pool.
- for klass in openerp.osv.orm.module_class_list.get(module, []):
- res.append(klass.createInstance(self, cr))
+ """
+
+ res = []
- # Instanciate classes automatically discovered.
- for cls in openerp.osv.orm.MetaModel.module_to_models.get(module, []):
- if cls not in openerp.osv.orm.module_class_list.get(module, []):
- res.append(cls.createInstance(self, cr))
+ # 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.name, []):
+ res.append(cls.create_instance(self, cr))
return res
- def start_cron_thread(self):
- self.get('ir.cron').restart(self.db.dbname)
+ 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.
+ """
+ for model in self.models.itervalues():
+ model.clear_caches()
class RegistryManager(object):
""" Model registries manager.
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):
""" Return a registry for a given database name."""
-
- if db_name in cls.registries:
- registry = cls.registries[db_name]
- else:
- registry = cls.new(db_name, force_demo, status,
- update_module, pooljobs)
- return registry
-
+ try:
+ return cls.registries[db_name]
+ except KeyError:
+ return cls.new(db_name, force_demo, status,
+ update_module, pooljobs)
@classmethod
def new(cls, db_name, force_demo=False, status=None,
The (possibly) previous registry for that database name is discarded.
"""
-
import openerp.modules
- registry = Registry(db_name)
-
- # Initializing a registry will call general code which will in turn
- # call registries.get (this object) to obtain the registry being
- # initialized. Make it available in the registries dictionary then
- # remove it if an exception is raised.
- cls.delete(db_name)
- cls.registries[db_name] = registry
- try:
- # This should be a method on Registry
- openerp.modules.load_modules(registry.db, force_demo, status, update_module)
- except Exception:
- del cls.registries[db_name]
- raise
+ with cls.registries_lock:
+ registry = Registry(db_name)
- cr = registry.db.cursor()
- try:
- registry.do_parent_store(cr)
- registry.get('ir.actions.report.xml').register_all(cr)
- cr.commit()
- finally:
- cr.close()
+ # Initializing a registry will call general code which will in turn
+ # call registries.get (this object) to obtain the registry being
+ # initialized. Make it available in the registries dictionary then
+ # remove it if an exception is raised.
+ cls.delete(db_name)
+ cls.registries[db_name] = registry
+ try:
+ # This should be a method on Registry
+ openerp.modules.load_modules(registry.db, force_demo, status, update_module)
+ except Exception:
+ del cls.registries[db_name]
+ raise
+
+ cr = registry.db.cursor()
+ try:
+ registry.do_parent_store(cr)
+ registry.get('ir.actions.report.xml').register_all(cr)
+ cr.commit()
+ finally:
+ cr.close()
if pooljobs:
- registry.start_cron_thread()
+ 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
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.
-
"""
- if db_name in cls.registries:
- del cls.registries[db_name]
- openerp.tools.cache.clean_caches_for_db(db_name)
- openerp.cron.cancel(db_name)
+ 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. """
- for db_name in cls.registries.keys():
- cls.delete(db_name)
+ """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 caches
+
+ This clears the caches associated to methods decorated with
+ ``tools.ormcache`` or ``tools.ormcache_multi`` for all the models
+ of the given database name.
+
+ This method is given to spare you a ``RegistryManager.get(db_name)``
+ that would loads the given database if it was not already loaded.
+ """
+ with cls.registries_lock:
+ if db_name in cls.registries:
+ cls.registries[db_name].clear_caches()
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projects / odoo / odoo.git / blobdiff