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Fixes issue 271.
Update issue 271
Owner: ljvderijk
class BoundRelatedObject(object):
def __init__(self, related_object, field_mapping, original):
self.relation = related_object
self.field_mappings = field_mapping[related_object.name]
def template_name(self):
raise NotImplementedError
def __repr__(self):
return repr(self.__dict__)
class RelatedObject(object):
def __init__(self, parent_model, model, field):
self.parent_model = parent_model
self.model = model
self.opts = model._meta
self.field = field
self.name = '%s:%s' % (self.opts.app_label, self.opts.module_name)
self.var_name = self.opts.object_name.lower()
def get_db_prep_lookup(self, lookup_type, value):
# Defer to the actual field definition for db prep
return self.field.get_db_prep_lookup(lookup_type, value)
def editable_fields(self):
"Get the fields in this class that should be edited inline."
return [f for f in self.opts.fields + self.opts.many_to_many if f.editable and f != self.field]
def __repr__(self):
return "<RelatedObject: %s related to %s>" % (self.name, self.field.name)
def bind(self, field_mapping, original, bound_related_object_class=BoundRelatedObject):
return bound_related_object_class(self, field_mapping, original)
def get_accessor_name(self):
# This method encapsulates the logic that decides what name to give an
# accessor descriptor that retrieves related many-to-one or
# many-to-many objects. It uses the lower-cased object_name + "_set",
# but this can be overridden with the "related_name" option.
if self.field.rel.multiple:
# If this is a symmetrical m2m relation on self, there is no reverse accessor.
if getattr(self.field.rel, 'symmetrical', False) and self.model == self.parent_model:
return None
return self.field.rel.related_name or (self.opts.object_name.lower() + '_set')
else:
return self.field.rel.related_name or (self.opts.object_name.lower())