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models.py
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models.py
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"""Define kinds of nodes: agents, sources, and environments."""
from sqlalchemy.ext.hybrid import hybrid_property
from dallinger.models import Node, Network, Info, timenow
from dallinger.nodes import Source
from random import choice
class Text(Info):
"""A text"""
__mapper_args__ = {"polymorphic_identity": "text"}
class Vote(Info):
"""A vote"""
__mapper_args__ = {"polymorphic_identity": "vote"}
class Bystander(Node):
"""Bystander"""
__mapper_args__ = {"polymorphic_identity": "bystander"}
@hybrid_property
def fake_name(self):
"""Convert property1 to fake name."""
try:
return self.property1
except TypeError:
return None
@fake_name.setter
def fake_name(self, name):
"""Make name settable."""
self.property1 = name
@fake_name.expression
def fake_name(self):
"""Make name queryable."""
return self.property1
@hybrid_property
def alive(self):
"""Convert property2 to alive."""
try:
return self.property2
except TypeError:
return None
@alive.setter
def alive(self, is_alive):
"""Make alive settable."""
self.property2 = is_alive
@alive.expression
def alive(self):
"""Make alive queryable."""
return self.property2
@hybrid_property
def deathtime(self):
"""Convert property3 to death time."""
try:
return self.property3
except TypeError:
return None
@deathtime.setter
def deathtime(self, death_time):
"""Make death time settable."""
self.property3 = death_time
@deathtime.expression
def deathtime(self):
"""Make death time queryable."""
return self.property3
class Mafioso(Bystander):
"""Member of the mafia."""
__mapper_args__ = {"polymorphic_identity": "mafioso"}
class MafiaNetwork(Network):
"""A mafia network that switches between FullyConnected
for all and only mafia nodes."""
__mapper_args__ = {"polymorphic_identity": "mafia-network"}
def add_node(self, node):
"""Add a node, connecting it to other mafia if mafioso."""
if node.type == "mafioso":
other_mafiosi = [n for n in Node.query.filter_by(type="mafioso")
if n.id != node.id]
for n in other_mafiosi:
node.connect(direction="both", whom=n)
def add_source(self, source):
"""Connect the source to all existing other nodes."""
nodes = [n for n in self.nodes() if not isinstance(n, Source)]
source.connect(whom=nodes)
@hybrid_property
def daytime(self):
"""Convert property1 to daytime."""
try:
return self.property1
except TypeError:
return None
@daytime.setter
def daytime(self, is_daytime):
"""Make time settable."""
self.property1 = is_daytime
@daytime.expression
def daytime(self):
"""Make time queryable."""
return self.property1
def fail_bystander_vectors(self):
# mafiosi = self.nodes(type=Mafioso)
mafiosi = Node.query.filter_by(network_id=self.id,
property2='True', type='mafioso').all()
for v in self.vectors():
if not isinstance(v.origin, Source) and not (
v.origin in mafiosi and v.destination in mafiosi):
v.fail()
def vote(self, nodes):
votes = {}
for node in nodes:
vote = choice(Node.query.filter_by(
network_id=self.id,
property2='True'
).all()).property1
node_votes = Info.query.filter_by(
origin_id=node.id,
type='vote'
).order_by('creation_time')
if node_votes.first() is not None:
node_vote = node_votes[-1].contents.split(': ')[1]
if Node.query.filter_by(
property1=node_vote).one().property2 == 'True':
vote = node_vote
if vote in votes:
votes[vote] += 1
else:
votes[vote] = 1
k = list(votes.keys())
v = list(votes.values())
victim_name = k[v.index(max(v))]
victim_node = Node.query.filter_by(property1=victim_name).one()
victim_node.alive = 'False'
for v in victim_node.vectors():
v.fail()
for i in victim_node.infos():
i.fail()
for t in victim_node.transmissions(direction="all"):
t.fail()
for t in victim_node.transformations():
t.fail()
victim_node.deathtime = timenow()
return victim_name
def setup_daytime(self):
# mafiosi = self.nodes(type=Mafioso)
self.daytime = 'True'
mafiosi = Node.query.filter_by(
network_id=self.id, property2='True', type='mafioso'
).all()
victim_name = self.vote(mafiosi)
mafiosi = Node.query.filter_by(
network_id=self.id, property2='True', type='mafioso'
).all()
winner = None
nodes = Node.query.filter_by(
network_id=self.id, property2='True'
).all()
if len(mafiosi) > len(nodes) - len(mafiosi):
winner = 'mafia'
return victim_name, winner
if len(mafiosi) == 0:
winner = 'bystanders'
return victim_name, winner
# nodes = [n for n in self.nodes() if not isinstance(n, Source)]
for n in nodes:
for m in nodes:
if n != m:
n.connect(whom=m, direction="to")
return victim_name, winner
def setup_nighttime(self):
# nodes = self.nodes()
self.daytime = 'False'
nodes = Node.query.filter_by(
network_id=self.id, property2='True'
).all()
victim_name = self.vote(nodes)
mafiosi = Node.query.filter_by(
network_id=self.id, property2='True', type='mafioso'
).all()
winner = None
if len(mafiosi) >= len(nodes) - len(mafiosi) - 1:
winner = 'mafia'
return victim_name, winner
if len(mafiosi) == 0:
winner = 'bystanders'
return victim_name, winner
self.fail_bystander_vectors()
return victim_name, winner