def __init__(self, state, x_next, depth, x_depth, directed, neighbour):
super(DistanceControl, self).__init__(directed)
self.__x_next = x_next
self.__depth = depth
self.__x_depth = x_depth
self.__neighbour = neighbour
self.__max_weight = state.session.query(max_(Graph.weight)).one()[0]
def __init__(self, state, x_next, depth, x_depth, directed, neighbour):
super(WeightedControl, self).__init__(directed)
self.__x_next = x_next
self.__depth = depth
self.__x_depth = x_depth
self.__neighbour = neighbour
self.__max_weight = state.session.query(max_(Graph.weight)).one()[0]
def add_calculation(self, proposal_id, calculator_id, mode, version,
input_, output, calc_version, title):
with self._transaction() as conn:
calculation_alias = calculation.alias()
result = conn.execute(calculation.insert().values({
calculation.c.proposal_id:
proposal_id,
calculation.c.sort_order:
select([
coalesce(max_(calculation_alias.c.sort_order), 0) + 1
]).where(calculation_alias.c.proposal_id == proposal_id),
calculation.c.calculator_id:
calculator_id,
calculation.c.mode:
mode,
calculation.c.version:
version,
calculation.c.input:
input_,
calculation.c.output:
output,
calculation.c.date_run:
datetime.utcnow(),
calculation.c.calc_version:
calc_version,
calculation.c.title:
title,
}))
return result.inserted_primary_key[0]
def collect(session, zero):
max_weight = session.query(max_(Graph.weight)).one()[0]
zero *= max_weight
LOG.info('Collecting all nodes, edges with weights over {0:7.1f} (max {1:7.1f}).'.format(zero, max_weight))
edges = set(session.query(Graph).filter(Graph.weight > zero).all())
nodes = set(edge.from_ for edge in edges)
nodes.update(edge.to_ for edge in edges)
LOG.info('Collected {0}/{1} nodes and {2}/{3} edges.'.format(
len(nodes), session.query(LastFmArtist).count(),
len(edges), session.query(Graph).count()))
return (nodes, edges, zero)
def collect(session, zero):
max_weight = session.query(max_(Graph.weight)).one()[0]
zero *= max_weight
LOG.info(
'Collecting all nodes, edges with weights over {0:7.1f} (max {1:7.1f}).'
.format(zero, max_weight))
edges = set(session.query(Graph).filter(Graph.weight > zero).all())
nodes = set(edge.from_ for edge in edges)
nodes.update(edge.to_ for edge in edges)
LOG.info('Collected {0}/{1} nodes and {2}/{3} edges.'.format(
len(nodes),
session.query(LastFmArtist).count(), len(edges),
session.query(Graph).count()))
return (nodes, edges, zero)
def add_calculation(self, proposal_id, calculator_id,
mode, version, input_, output, calc_version, title):
with self._transaction() as conn:
calculation_alias = calculation.alias()
result = conn.execute(calculation.insert().values({
calculation.c.proposal_id: proposal_id,
calculation.c.sort_order: select(
[coalesce(max_(calculation_alias.c.sort_order), 0) + 1]
).where(calculation_alias.c.proposal_id == proposal_id),
calculation.c.calculator_id: calculator_id,
calculation.c.mode: mode,
calculation.c.version: version,
calculation.c.input: input_,
calculation.c.output: output,
calculation.c.date_run: datetime.utcnow(),
calculation.c.calc_version: calc_version,
calculation.c.title: title,
}))
return result.inserted_primary_key[0]