def _maybe_declare(entity, channel):
# _maybe_declare sets name on original for autogen queues
orig = entity
_ensure_channel_is_bound(entity, channel)
if channel is None:
if not entity.is_bound:
raise ChannelError(
f"channel is None and entity {entity} not bound.")
channel = entity.channel
declared = ident = None
if channel.connection and entity.can_cache_declaration:
declared = channel.connection.client.declared_entities
ident = hash(entity)
if ident in declared:
return False
if not channel.connection:
raise RecoverableConnectionError('channel disconnected')
entity.declare(channel=channel)
if declared is not None and ident:
declared.add(ident)
if orig is not None:
orig.name = entity.name
return True
def _maybe_declare(entity, channel):
is_bound = entity.is_bound
orig = entity
if not is_bound:
assert channel
entity = entity.bind(channel)
if channel is None:
assert is_bound
channel = entity.channel
declared = ident = None
if channel.connection and entity.can_cache_declaration:
declared = channel.connection.client.declared_entities
ident = hash(entity)
if ident in declared:
return False
if not channel.connection:
raise RecoverableConnectionError('channel disconnected')
entity.declare(channel=channel)
if declared is not None and ident:
declared.add(ident)
if orig is not None:
orig.name = entity.name
return True
def _imaybe_declare(entity, channel, **retry_policy):
_ensure_channel_is_bound(entity, channel)
if not entity.channel.connection:
raise RecoverableConnectionError('channel disconnected')
return entity.channel.connection.client.ensure(
entity, _maybe_declare, **retry_policy)(entity, channel)
def _maybe_declare(entity, declared, ident, channel):
channel = channel or entity.channel
if not channel.connection:
raise RecoverableConnectionError('channel disconnected')
entity.declare()
if declared is not None and ident:
declared.add(ident)
return True
def _maybe_declare(entity, declared, ident, channel, orig=None):
if not channel.connection:
raise RecoverableConnectionError('channel disconnected')
entity.declare(channel=channel)
if declared is not None and ident:
declared.add(ident)
if orig is not None:
orig.name = entity.name
return True
def _maybe_declare(entity):
channel = entity.channel
if not channel.connection:
raise RecoverableConnectionError('channel disconnected')
if entity.can_cache_declaration:
declared = channel.connection.client.declared_entities
ident = hash(entity)
if ident not in declared:
entity.declare()
declared.add(ident)
return True
return False
entity.declare()
return True