def apply_alias(project, author, canonical_name, alias_name):
""" Given two names, find out if there are existing entities for one or
both of them. If so, merge them into a single entity - or, if only the
entity associated with the alias exists - re-name the entity. """
canonical_name = canonical_name.strip()
# Don't import meaningless aliases.
if canonical_name == alias_name or not len(canonical_name):
return log.info("No alias: %s", canonical_name)
canonical = Entity.by_name(project, canonical_name)
alias = Entity.by_name(project, alias_name)
schema = Schema.by_name(project, 'base')
# Don't artificially increase entity counts.
if canonical is None and alias is None:
return log.info("Neither alias nor canonical exist: %s", canonical_name)
# Rename an alias to its new, canonical name.
if canonical is None:
properties_logic.set(alias, author, 'name', schema, canonical_name,
active=True, source_url=None)
_entity_changed.delay(alias.id)
return log.info("Renamed: %s", alias_name)
# Already done, thanks.
if canonical == alias:
return log.info("Already aliased: %s", canonical_name)
# Merge two existing entities, declare one as "same_as"
if canonical is not None and alias is not None:
_merge_entities(alias, canonical)
_entity_changed.delay(canonical.id)
return log.info("Mapped: %s -> %s", alias.id, canonical.id)
def apply_alias(project, author, canonical_name, alias_name):
""" Given two names, find out if there are existing entities for one or
both of them. If so, merge them into a single entity - or, if only the
entity associated with the alias exists - re-name the entity. """
canonical_name = canonical_name.strip()
# Don't import meaningless aliases.
if canonical_name == alias_name or not len(canonical_name):
return log.info("No alias: %s", canonical_name)
canonical = Entity.by_name(project, canonical_name)
alias = Entity.by_name(project, alias_name)
schema = Schema.by_name(project, 'base')
# Don't artificially increase entity counts.
if canonical is None and alias is None:
return log.info("Neither alias nor canonical exist: %s",
canonical_name)
# Rename an alias to its new, canonical name.
if canonical is None:
properties_logic.set(alias,
author,
'name',
schema,
canonical_name,
active=True,
source_url=None)
_entity_changed.delay(alias.id)
return log.info("Renamed: %s", alias_name)
# Already done, thanks.
if canonical == alias:
return log.info("Already aliased: %s", canonical_name)
# Merge two existing entities, declare one as "same_as"
if canonical is not None and alias is not None:
_merge_entities(alias, canonical)
_entity_changed.delay(canonical.id)
return log.info("Mapped: %s -> %s", alias.id, canonical.id)
def check(name):
entity = Entity.by_name(project, name)
if entity is not None:
if obj is None or obj.id != entity.id:
return False
return True
def check(name):
entity = Entity.by_name(project, name)
if entity is not None:
if obj is None or obj.id != entity.id:
return False
return True
