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https://github.com/gsi-upm/soil
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Black formatting
This commit is contained in:
J. Fernando Sánchez
parent
a2fb25c160
commit
2f5e5d0a74
@ -28,11 +28,12 @@ from mesa.space import MultiGrid
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@dataclass
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class Journey:
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"""
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This represents a request for a journey. Passengers and drivers exchange this object.
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This represents a request for a journey. Passengers and drivers exchange this object.
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A journey may have a driver assigned or not. If the driver has not been assigned, this
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object is considered a "request for a journey".
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"""
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origin: (int, int)
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destination: (int, int)
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tip: float
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@ -54,20 +55,33 @@ class City(EventedEnvironment):
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:param int height: Height of the internal grid
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:param int width: Width of the internal grid
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"""
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def __init__(self, *args, n_cars=1, n_passengers=10,
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height=100, width=100, agents=None,
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model_reporters=None,
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**kwargs):
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def __init__(
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self,
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*args,
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n_cars=1,
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n_passengers=10,
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height=100,
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width=100,
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agents=None,
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model_reporters=None,
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**kwargs,
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):
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self.grid = MultiGrid(width=width, height=height, torus=False)
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if agents is None:
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agents = []
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for i in range(n_cars):
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agents.append({'agent_class': Driver})
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agents.append({"agent_class": Driver})
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for i in range(n_passengers):
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agents.append({'agent_class': Passenger})
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model_reporters = model_reporters or {'earnings': 'total_earnings', 'n_passengers': 'number_passengers'}
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print('REPORTERS', model_reporters)
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super().__init__(*args, agents=agents, model_reporters=model_reporters, **kwargs)
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agents.append({"agent_class": Passenger})
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model_reporters = model_reporters or {
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"earnings": "total_earnings",
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"n_passengers": "number_passengers",
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}
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print("REPORTERS", model_reporters)
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super().__init__(
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*args, agents=agents, model_reporters=model_reporters, **kwargs
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)
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for agent in self.agents:
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self.grid.place_agent(agent, (0, 0))
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self.grid.move_to_empty(agent)
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@ -87,13 +101,13 @@ class Driver(Evented, FSM):
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earnings = 0
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def on_receive(self, msg, sender):
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'''This is not a state. It will run (and block) every time check_messages is invoked'''
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"""This is not a state. It will run (and block) every time check_messages is invoked"""
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if self.journey is None and isinstance(msg, Journey) and msg.driver is None:
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msg.driver = self
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self.journey = msg
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def check_passengers(self):
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'''If there are no more passengers, stop forever'''
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"""If there are no more passengers, stop forever"""
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c = self.count_agents(agent_class=Passenger)
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self.info(f"Passengers left {c}")
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if not c:
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@ -102,17 +116,19 @@ class Driver(Evented, FSM):
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@default_state
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@state
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def wandering(self):
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'''Move around the city until a journey is accepted'''
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"""Move around the city until a journey is accepted"""
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target = None
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self.check_passengers()
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self.journey = None
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while self.journey is None: # No potential journeys detected (see on_receive)
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if target is None or not self.move_towards(target):
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target = self.random.choice(self.model.grid.get_neighborhood(self.pos, moore=False))
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target = self.random.choice(
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self.model.grid.get_neighborhood(self.pos, moore=False)
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)
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self.check_passengers()
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self.check_messages() # This will call on_receive behind the scenes, and the agent's status will be updated
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yield Delta(30) # Wait at least 30 seconds before checking again
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self.check_messages() # This will call on_receive behind the scenes, and the agent's status will be updated
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yield Delta(30) # Wait at least 30 seconds before checking again
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try:
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# Re-send the journey to the passenger, to confirm that we have been selected
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@ -126,7 +142,7 @@ class Driver(Evented, FSM):
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@state
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def driving(self):
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'''The journey has been accepted. Pick them up and take them to their destination'''
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"""The journey has been accepted. Pick them up and take them to their destination"""
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while self.move_towards(self.journey.origin):
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yield
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while self.move_towards(self.journey.destination, with_passenger=True):
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@ -136,7 +152,7 @@ class Driver(Evented, FSM):
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return self.wandering
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def move_towards(self, target, with_passenger=False):
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'''Move one cell at a time towards a target'''
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"""Move one cell at a time towards a target"""
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self.info(f"Moving { self.pos } -> { target }")
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if target[0] == self.pos[0] and target[1] == self.pos[1]:
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return False
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@ -151,30 +167,36 @@ class Driver(Evented, FSM):
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break
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self.model.grid.move_agent(self, tuple(next_pos))
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if with_passenger:
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self.journey.passenger.pos = self.pos # This could be communicated through messages
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self.journey.passenger.pos = (
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self.pos
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) # This could be communicated through messages
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return True
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class Passenger(Evented, FSM):
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pos = None
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def on_receive(self, msg, sender):
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'''This is not a state. It will be run synchronously every time `check_messages` is run'''
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"""This is not a state. It will be run synchronously every time `check_messages` is run"""
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if isinstance(msg, Journey):
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self.journey = msg
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return msg
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@default_state
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@state
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def asking(self):
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destination = (self.random.randint(0, self.model.grid.height), self.random.randint(0, self.model.grid.width))
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destination = (
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self.random.randint(0, self.model.grid.height),
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self.random.randint(0, self.model.grid.width),
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)
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self.journey = None
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journey = Journey(origin=self.pos,
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destination=destination,
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tip=self.random.randint(10, 100),
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passenger=self)
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journey = Journey(
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origin=self.pos,
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destination=destination,
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tip=self.random.randint(10, 100),
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passenger=self,
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)
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timeout = 60
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expiration = self.now + timeout
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@ -185,20 +207,27 @@ class Passenger(Evented, FSM):
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yield self.received(expiration=expiration)
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except events.TimedOut:
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self.info(f"Passenger at: { self.pos }. Asking for journey.")
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self.model.broadcast(journey, ttl=timeout, sender=self, agent_class=Driver)
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self.model.broadcast(
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journey, ttl=timeout, sender=self, agent_class=Driver
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)
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expiration = self.now + timeout
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self.check_messages()
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return self.driving_home
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@state
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def driving_home(self):
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while self.pos[0] != self.journey.destination[0] or self.pos[1] != self.journey.destination[1]:
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while (
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self.pos[0] != self.journey.destination[0]
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or self.pos[1] != self.journey.destination[1]
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):
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yield self.received(timeout=60)
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self.info("Got home safe!")
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self.die()
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simulation = Simulation(name='RideHailing', model_class=City, model_params={'n_passengers': 2})
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simulation = Simulation(
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name="RideHailing", model_class=City, model_params={"n_passengers": 2}
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)
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if __name__ == "__main__":
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with easy(simulation) as s:
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