def _post_init(self):
if logging.is_info_enabled(self.logger):
self.logger.info(str(self) + " setup primary join %s" % self.primaryjoin)
self.logger.info(str(self) + " setup secondary join %s" % self.secondaryjoin)
self.logger.info(str(self) + " synchronize pairs [%s]" % ",".join(["(%s => %s)" % (l, r) for l, r in self.synchronize_pairs]))
self.logger.info(str(self) + " secondary synchronize pairs [%s]" % ",".join(["(%s => %s)" % (l, r) for l, r in self.secondary_synchronize_pairs or []]))
self.logger.info(str(self) + " local/remote pairs [%s]" % ",".join(["(%s / %s)" % (l, r) for l, r in self.local_remote_pairs]))
self.logger.info(str(self) + " relation direction %s" % self.direction)
if self.uselist is None and self.direction is MANYTOONE:
self.uselist = False
if self.uselist is None:
self.uselist = True
if not self.viewonly:
self._dependency_processor = dependency.create_dependency_processor(self)
# primary property handler, set up class attributes
if self.is_primary():
# if a backref name is defined, set up an extension to populate
# attributes in the other direction
if self.backref is not None:
self.attributeext = self.backref.get_extension()
if self.backref is not None:
self.backref.compile(self)
elif not mapper.class_mapper(self.parent.class_, compile=False)._get_property(self.key, raiseerr=False):
raise exceptions.ArgumentError("Attempting to assign a new relation '%s' to a non-primary mapper on class '%s'. New relations can only be added to the primary mapper, i.e. the very first mapper created for class '%s' " % (self.key, self.parent.class_.__name__, self.parent.class_.__name__))
super(PropertyLoader, self).do_init()
def _post_init(self):
if logging.is_info_enabled(self.logger):
self.logger.info(str(self) + " setup primary join " + str(self.primaryjoin))
self.logger.info(str(self) + " setup polymorphic primary join " + str(self.polymorphic_primaryjoin))
self.logger.info(str(self) + " setup secondary join " + str(self.secondaryjoin))
self.logger.info(str(self) + " setup polymorphic secondary join " + str(self.polymorphic_secondaryjoin))
self.logger.info(str(self) + " foreign keys " + str([str(c) for c in self.foreign_keys]))
self.logger.info(str(self) + " remote columns " + str([str(c) for c in self.remote_side]))
self.logger.info(str(self) + " relation direction " + (self.direction is sync.ONETOMANY and "one-to-many" or (self.direction is sync.MANYTOONE and "many-to-one" or "many-to-many")))
if self.uselist is None and self.direction is sync.MANYTOONE:
self.uselist = False
if self.uselist is None:
self.uselist = True
if not self.viewonly:
self._dependency_processor = dependency.create_dependency_processor(self)
# primary property handler, set up class attributes
if self.is_primary():
# if a backref name is defined, set up an extension to populate
# attributes in the other direction
if self.backref is not None:
self.attributeext = self.backref.get_extension()
if self.backref is not None:
self.backref.compile(self)
elif not sessionlib.attribute_manager.is_class_managed(self.parent.class_, self.key):
raise exceptions.ArgumentError("Attempting to assign a new relation '%s' to a non-primary mapper on class '%s'. New relations can only be added to the primary mapper, i.e. the very first mapper created for class '%s' " % (self.key, self.parent.class_.__name__, self.parent.class_.__name__))
super(PropertyLoader, self).do_init()
def _post_init(self):
if logging.is_info_enabled(self.logger):
self.logger.info(str(self) + " setup primary join %s" % self.primaryjoin)
self.logger.info(str(self) + " setup secondary join %s" % self.secondaryjoin)
self.logger.info(str(self) + " synchronize pairs [%s]" % ",".join(["(%s => %s)" % (l, r) for l, r in self.synchronize_pairs]))
self.logger.info(str(self) + " secondary synchronize pairs [%s]" % ",".join(["(%s => %s)" % (l, r) for l, r in self.secondary_synchronize_pairs or []]))
self.logger.info(str(self) + " local/remote pairs [%s]" % ",".join(["(%s / %s)" % (l, r) for l, r in self.local_remote_pairs]))
self.logger.info(str(self) + " relation direction %s" % self.direction)
if self.uselist is None and self.direction is MANYTOONE:
self.uselist = False
if self.uselist is None:
self.uselist = True
if not self.viewonly:
self._dependency_processor = dependency.create_dependency_processor(self)
# primary property handler, set up class attributes
if self.is_primary():
# if a backref name is defined, set up an extension to populate
# attributes in the other direction
if self.backref is not None:
self.attributeext = self.backref.get_extension()
if self.backref is not None:
self.backref.compile(self)
elif not mapper.class_mapper(self.parent.class_, compile=False)._get_property(self.key, raiseerr=False):
raise exceptions.ArgumentError("Attempting to assign a new relation '%s' to a non-primary mapper on class '%s'. New relations can only be added to the primary mapper, i.e. the very first mapper created for class '%s' " % (self.key, self.parent.class_.__name__, self.parent.class_.__name__))
super(PropertyLoader, self).do_init()
def flush(self, session, objects=None):
# this context will track all the objects we want to save/update/delete,
# and organize a hierarchical dependency structure. it also handles
# communication with the mappers and relationships to fire off SQL
# and synchronize attributes between related objects.
echo = logging.is_info_enabled(self.logger)
flush_context = UOWTransaction(self, session)
# create the set of all objects we want to operate upon
if objects is not None:
# specific list passed in
objset = util.Set(objects)
else:
# or just everything
objset = util.Set(self.identity_map.values()).union(self.new)
# detect persistent objects that have changes
dirty = self.locate_dirty()
# store objects whose fate has been decided
processed = util.Set()
# put all saves/updates into the flush context. detect orphans and throw them into deleted.
for obj in self.new.union(dirty).intersection(objset).difference(
self.deleted):
if obj in processed:
continue
if object_mapper(obj)._is_orphan(obj):
for c in [obj] + list(
object_mapper(obj).cascade_iterator('delete', obj)):
if c in processed:
continue
flush_context.register_object(c, isdelete=True)
processed.add(c)
else:
flush_context.register_object(obj)
processed.add(obj)
# put all remaining deletes into the flush context.
for obj in self.deleted:
if (objset is not None and not obj in objset) or obj in processed:
continue
flush_context.register_object(obj, isdelete=True)
trans = session.create_transaction(autoflush=False)
flush_context.transaction = trans
try:
flush_context.execute()
except:
trans.rollback()
raise
trans.commit()
flush_context.post_exec()
def flush(self, session, objects=None):
# this context will track all the objects we want to save/update/delete,
# and organize a hierarchical dependency structure. it also handles
# communication with the mappers and relationships to fire off SQL
# and synchronize attributes between related objects.
echo = logging.is_info_enabled(self.logger)
flush_context = UOWTransaction(self, session)
# create the set of all objects we want to operate upon
if objects is not None:
# specific list passed in
objset = util.Set(objects)
else:
# or just everything
objset = util.Set(self.identity_map.values()).union(self.new)
# detect persistent objects that have changes
dirty = self.locate_dirty()
# store objects whose fate has been decided
processed = util.Set()
# put all saves/updates into the flush context. detect orphans and throw them into deleted.
for obj in self.new.union(dirty).intersection(objset).difference(self.deleted):
if obj in processed:
continue
if object_mapper(obj)._is_orphan(obj):
for c in [obj] + list(object_mapper(obj).cascade_iterator('delete', obj)):
if c in processed:
continue
flush_context.register_object(c, isdelete=True)
processed.add(c)
else:
flush_context.register_object(obj)
processed.add(obj)
# put all remaining deletes into the flush context.
for obj in self.deleted:
if (objset is not None and not obj in objset) or obj in processed:
continue
flush_context.register_object(obj, isdelete=True)
trans = session.create_transaction(autoflush=False)
flush_context.transaction = trans
try:
flush_context.execute()
except:
trans.rollback()
raise
trans.commit()
flush_context.post_exec()
def _post_init(self):
if logging.is_info_enabled(self.logger):
self.logger.info(
str(self) + " setup primary join " + str(self.primaryjoin))
self.logger.info(
str(self) + " setup polymorphic primary join " +
str(self.polymorphic_primaryjoin))
self.logger.info(
str(self) + " setup secondary join " + str(self.secondaryjoin))
self.logger.info(
str(self) + " setup polymorphic secondary join " +
str(self.polymorphic_secondaryjoin))
self.logger.info(
str(self) + " foreign keys " +
str([str(c) for c in self.foreign_keys]))
self.logger.info(
str(self) + " remote columns " +
str([str(c) for c in self.remote_side]))
self.logger.info(
str(self) + " relation direction " +
(self.direction is sync.ONETOMANY and "one-to-many" or
(self.direction is sync.MANYTOONE and "many-to-one"
or "many-to-many")))
if self.uselist is None and self.direction is sync.MANYTOONE:
self.uselist = False
if self.uselist is None:
self.uselist = True
if not self.viewonly:
self._dependency_processor = dependency.create_dependency_processor(
self)
# primary property handler, set up class attributes
if self.is_primary():
# if a backref name is defined, set up an extension to populate
# attributes in the other direction
if self.backref is not None:
self.attributeext = self.backref.get_extension()
if self.backref is not None:
self.backref.compile(self)
elif not sessionlib.attribute_manager.is_class_managed(
self.parent.class_, self.key):
raise exceptions.ArgumentError(
"Attempting to assign a new relation '%s' to a non-primary mapper on class '%s'. New relations can only be added to the primary mapper, i.e. the very first mapper created for class '%s' "
% (self.key, self.parent.class_.__name__,
self.parent.class_.__name__))
super(PropertyLoader, self).do_init()
