[FIX] do not remove 'multi=True' actions in fields_view_get for tree view
[odoo/odoo.git] / openerp / modules / registry.py
index e88852a..72cd449 100644 (file)
 """ 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.
@@ -44,6 +50,14 @@ class Registry(object):
         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)
@@ -77,23 +91,30 @@ class Registry(object):
 
         res = []
 
-        # Instantiate registered classes (via metamodel discovery or via explicit
-        # constructor call), and add them to the pool.
+        # 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.createInstance(self, cr))
+            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.
         """
         for model in self.models.itervalues():
             model.clear_caches()
 
-
 class RegistryManager(object):
     """ Model registries manager.
 
@@ -101,24 +122,22 @@ class RegistryManager(object):
         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
-
+        with cls.registries_lock:
+            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
 
     @classmethod
     def new(cls, db_name, force_demo=False, status=None,
@@ -128,47 +147,64 @@ class RegistryManager(object):
         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
-
-        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.get('ir.cron').restart(registry.db.dbname)
-
-        return registry
-
+        with cls.registries_lock:
+            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
+
+            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.schedule_cron_jobs()
+
+            return registry
 
     @classmethod
     def delete(cls, db_name):
-        """ Delete the registry linked to a given database. """
-        if db_name in cls.registries:
-            del cls.registries[db_name]
+        """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
@@ -177,8 +213,9 @@ class RegistryManager(object):
         This method is given to spare you a ``RegistryManager.get(db_name)``
         that would loads the given database if it was not already loaded.
         """
-        if db_name in cls.registries:
-            cls.registries[db_name].clear_caches()
+        with cls.registries_lock:
+            if db_name in cls.registries:
+                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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