Big refactor v0.30

All test pass, except for the TestConfig suite, which is not too critical as the
plan for this version onwards is to avoid configuration as much as possible.

examples/complete.yml

@@ -1,54 +0,0 @@
----
-version: '2'
-name: simple
-group: tests
-dir_path: "/tmp/"
-num_trials: 3
-max_steps: 100
-interval: 1
-seed: "CompleteSeed!"
-model_class: Environment
-model_params:
-  am_i_complete: true
-  topology:
-    params:
-      generator: complete_graph
-      n: 12
-  environment:
-  agents:
-    agent_class: CounterModel
-    topology: true
-    state:
-      times: 1
-      # In this group we are not specifying any topology
-    fixed:
-      - name: 'Environment Agent 1'
-        agent_class: BaseAgent
-        group: environment
-        topology: false
-        hidden: true
-        state:
-          times: 10
-      - agent_class: CounterModel
-        id: 0
-        group: fixed_counters
-        state:
-          times: 1
-          total: 0
-      - agent_class: CounterModel
-        group: fixed_counters
-        id: 1
-    distribution:
-      - agent_class: CounterModel
-        weight: 1
-        group: distro_counters
-        state:
-          times: 3
-      - agent_class: AggregatedCounter
-        weight: 0.2
-    override:
-      - filter:
-          agent_class: AggregatedCounter
-        n: 2
-        state:
-          times: 5

examples/custom_generator/custom_generator.yml

@@ -1,16 +0,0 @@
----
-name: custom-generator
-description: Using a custom generator for the network
-num_trials: 3
-max_steps: 100
-interval: 1
-network_params:
-  generator: mymodule.mygenerator
-# These are custom parameters
-  n: 10
-  n_edges: 5  
-network_agents:
-  - agent_class: CounterModel
-    weight: 1
-    state:
-      state_id: 0

examples/custom_generator/generator_sim.py

@@ -1,6 +1,7 @@
 from networkx import Graph
 import random
 import networkx as nx
+from soil import Simulation, Environment, CounterModel, parameters
 
 
 def mygenerator(n=5, n_edges=5):
@@ -20,3 +21,19 @@ def mygenerator(n=5, n_edges=5):
         n_out = random.choice(nodes)
         G.add_edge(n_in, n_out)
     return G
+
+
+class GeneratorEnv(Environment):
+    """Using a custom generator for the network"""
+
+    generator: parameters.function = mygenerator
+
+    def init(self):
+        self.create_network(network_generator=self.generator, n=10, n_edges=5)
+        self.init_agents(CounterModel)
+
+
+sim = Simulation(model=GeneratorEnv, max_steps=10, interval=1)
+
+if __name__ == '__main__':
+    sim.run(dry_run=True)

examples/custom_timeouts/custom_timeouts_sim.py

@@ -4,8 +4,7 @@ from soil.time import Delta
 
 class Fibonacci(FSM):
     """Agent that only executes in t_steps that are Fibonacci numbers"""
-
-    defaults = {"prev": 1}
+    prev = 1
 
     @default_state
     @state
@@ -25,23 +24,18 @@ class Odds(FSM):
         return None, Delta(1 + self.now % 2)
 
 
-from soil import Simulation
+from soil import Environment, Simulation
+from networkx import complete_graph
 
-simulation = Simulation(
-    model_params={
-        'agents':[
-            {'agent_class': Fibonacci, 'node_id': 0},
-            {'agent_class': Odds, 'node_id': 1}
-        ],
-        'topology': {
-            'params': {
-                'generator': 'complete_graph',
-                'n': 2
-            }
-        },
-    },
-    max_time=100,
-)
+
+class TimeoutsEnv(Environment):
+    def init(self):
+        self.init_network(generator=complete_graph, n=2)
+        self.add_agent(agent_class=Fibonacci, node_id=0)
+        self.add_agent(agent_class=Odds, node_id=1)
+
+
+sim = Simulation(model=TimeoutsEnv, max_steps=10, interval=1)
 
 if __name__ == "__main__":
-    simulation.run(dry_run=True)
+    sim.run(dry_run=True)

examples/events_and_messages/cars_sim.py

@@ -232,12 +232,10 @@ class Passenger(Evented, FSM):
         self.die()
 
 
-simulation = Simulation(
-    name="RideHailing",
-    model_class=City,
-    model_params={"n_passengers": 2},
-    seed="carsSeed",
-)
+simulation = Simulation(name="RideHailing",
+                        model=City,
+                        seed="carsSeed",
+                        model_params=dict(n_passengers=2))
 
 if __name__ == "__main__":
     simulation.run()

examples/mesa/mesa.yml

@@ -1,19 +0,0 @@
----
-name: mesa_sim
-group: tests
-dir_path: "/tmp"
-num_trials: 3
-max_steps: 100
-interval: 1
-seed: '1'
-model_class: social_wealth.MoneyEnv
-model_params:
-  generator: social_wealth.graph_generator
-  agents:
-    topology: true
-    distribution:
-      - agent_class: social_wealth.SocialMoneyAgent
-        weight: 1
-  N: 10
-  width: 50
-  height: 50

examples/mesa/mesa_sim.py

@@ -0,0 +1,7 @@
+from soil import Simulation
+from social_wealth import MoneyEnv, graph_generator
+
+sim = Simulation(name="mesa_sim", dry_run=True, max_steps=10, interval=2, model=MoneyEnv, model_params=dict(generator=graph_generator, N=10, width=50, height=50))
+
+if __name__ == "__main__":
+    sim.run()

examples/mesa/server.py

@@ -1,5 +1,5 @@
 from mesa.visualization.ModularVisualization import ModularServer
-from soil.visualization import UserSettableParameter
+from mesa.visualization.UserParam import Slider, Choice
 from mesa.visualization.modules import ChartModule, NetworkModule, CanvasGrid
 from social_wealth import MoneyEnv, graph_generator, SocialMoneyAgent
 import networkx as nx
@@ -64,8 +64,7 @@ chart = ChartModule(
 )
 
 model_params = {
-    "N": UserSettableParameter(
-        "slider",
+    "N": Slider(
         "N",
         5,
         1,
@@ -73,8 +72,7 @@ model_params = {
         1,
         description="Choose how many agents to include in the model",
     ),
-    "height": UserSettableParameter(
-        "slider",
+    "height": Slider(
         "height",
         5,
         5,
@@ -82,8 +80,7 @@ model_params = {
         1,
         description="Grid height",
     ),
-    "width": UserSettableParameter(
-        "slider",
+    "width": Slider(
         "width",
         5,
         5,
@@ -91,8 +88,7 @@ model_params = {
         1,
         description="Grid width",
     ),
-    "agent_class": UserSettableParameter(
-        "choice",
+    "agent_class": Choice(
         "Agent class",
         value="MoneyAgent",
         choices=["MoneyAgent", "SocialMoneyAgent"],

examples/newsspread/NewsSpread.yml

@@ -1,133 +0,0 @@
----
-default_state: {}
-environment_agents: []
-environment_params:
-  prob_neighbor_spread: 0.0
-  prob_tv_spread: 0.01
-interval: 1
-max_steps: 300
-name: Sim_all_dumb
-network_agents:
-- agent_class: newsspread.DumbViewer
-  state:
-    has_tv: false
-  weight: 1
-- agent_class: newsspread.DumbViewer
-  state:
-    has_tv: true
-  weight: 1
-network_params:
-  generator: barabasi_albert_graph
-  n: 500
-  m: 5
-num_trials: 50
----
-default_state: {}
-environment_agents: []
-environment_params:
-  prob_neighbor_spread: 0.0
-  prob_tv_spread: 0.01
-interval: 1
-max_steps: 300
-name: Sim_half_herd
-network_agents:
-- agent_class: newsspread.DumbViewer
-  state:
-    has_tv: false
-  weight: 1
-- agent_class: newsspread.DumbViewer
-  state:
-    has_tv: true
-  weight: 1
-- agent_class: newsspread.HerdViewer
-  state:
-    has_tv: false
-  weight: 1
-- agent_class: newsspread.HerdViewer
-  state:
-    has_tv: true
-  weight: 1
-network_params:
-  generator: barabasi_albert_graph
-  n: 500
-  m: 5
-num_trials: 50
----
-default_state: {}
-environment_agents: []
-environment_params:
-  prob_neighbor_spread: 0.0
-  prob_tv_spread: 0.01
-interval: 1
-max_steps: 300
-name: Sim_all_herd
-network_agents:
-- agent_class: newsspread.HerdViewer
-  state:
-    has_tv: true
-    state_id: neutral
-  weight: 1
-- agent_class: newsspread.HerdViewer
-  state:
-    has_tv: true
-    state_id: neutral
-  weight: 1
-network_params:
-  generator: barabasi_albert_graph
-  n: 500
-  m: 5
-num_trials: 50
----
-default_state: {}
-environment_agents: []
-environment_params:
-  prob_neighbor_spread: 0.0
-  prob_tv_spread: 0.01
-  prob_neighbor_cure: 0.1
-interval: 1
-max_steps: 300
-name: Sim_wise_herd
-network_agents:
-- agent_class: newsspread.HerdViewer
-  state:
-    has_tv: true
-    state_id: neutral
-  weight: 1
-- agent_class: newsspread.WiseViewer
-  state:
-    has_tv: true
-  weight: 1
-network_params:
-  generator: barabasi_albert_graph
-  n: 500
-  m: 5
-num_trials: 50
----
-default_state: {}
-environment_agents: []
-environment_params:
-  prob_neighbor_spread: 0.0
-  prob_tv_spread: 0.01
-  prob_neighbor_cure: 0.1
-interval: 1
-max_steps: 300
-name: Sim_all_wise
-network_agents:
-- agent_class: newsspread.WiseViewer
-  state:
-    has_tv: true
-    state_id: neutral
-  weight: 1
-- agent_class: newsspread.WiseViewer
-  state:
-    has_tv: true
-  weight: 1
-network_params:
-  generator: barabasi_albert_graph
-  n: 500
-  m: 5
-network_params:
-  generator: barabasi_albert_graph
-  n: 500
-  m: 5
-num_trials: 50

examples/newsspread/newsspread.py

@@ -1,87 +0,0 @@
-from soil.agents import FSM, NetworkAgent, state, default_state, prob
-import logging
-
-
-class DumbViewer(FSM, NetworkAgent):
-    """
-    A viewer that gets infected via TV (if it has one) and tries to infect
-    its neighbors once it's infected.
-    """
-
-    prob_neighbor_spread = 0.5
-    prob_tv_spread = 0.1
-    has_been_infected = False
-
-    @default_state
-    @state
-    def neutral(self):
-        if self["has_tv"]:
-            if self.prob(self.model["prob_tv_spread"]):
-                return self.infected
-        if self.has_been_infected:
-            return self.infected
-
-    @state
-    def infected(self):
-        for neighbor in self.get_neighbors(state_id=self.neutral.id):
-            if self.prob(self.model["prob_neighbor_spread"]):
-                neighbor.infect()
-
-    def infect(self):
-        """
-        This is not a state. It is a function that other agents can use to try to
-        infect this agent. DumbViewer always gets infected, but other agents like
-        HerdViewer might not become infected right away
-        """
-
-        self.has_been_infected = True
-
-
-class HerdViewer(DumbViewer):
-    """
-    A viewer whose probability of infection depends on the state of its neighbors.
-    """
-
-    def infect(self):
-        """Notice again that this is NOT a state. See DumbViewer.infect for reference"""
-        infected = self.count_neighbors(state_id=self.infected.id)
-        total = self.count_neighbors()
-        prob_infect = self.model["prob_neighbor_spread"] * infected / total
-        self.debug("prob_infect", prob_infect)
-        if self.prob(prob_infect):
-            self.has_been_infected = True
-
-
-class WiseViewer(HerdViewer):
-    """
-    A viewer that can change its mind.
-    """
-
-    defaults = {
-        "prob_neighbor_spread": 0.5,
-        "prob_neighbor_cure": 0.25,
-        "prob_tv_spread": 0.1,
-    }
-
-    @state
-    def cured(self):
-        prob_cure = self.model["prob_neighbor_cure"]
-        for neighbor in self.get_neighbors(state_id=self.infected.id):
-            if self.prob(prob_cure):
-                try:
-                    neighbor.cure()
-                except AttributeError:
-                    self.debug("Viewer {} cannot be cured".format(neighbor.id))
-
-    def cure(self):
-        self.has_been_cured = True
-
-    @state
-    def infected(self):
-        if self.has_been_cured:
-            return self.cured
-        cured = max(self.count_neighbors(self.cured.id), 1.0)
-        infected = max(self.count_neighbors(self.infected.id), 1.0)
-        prob_cure = self.model["prob_neighbor_cure"] * (cured / infected)
-        if self.prob(prob_cure):
-            return self.cured

examples/newsspread/newsspread_sim.py

@@ -0,0 +1,129 @@
+from soil.agents import FSM, NetworkAgent, state, default_state, prob
+from soil.parameters import *
+import logging
+
+from soil.environment import Environment
+
+
+class DumbViewer(FSM, NetworkAgent):
+    """
+    A viewer that gets infected via TV (if it has one) and tries to infect
+    its neighbors once it's infected.
+    """
+
+    has_been_infected: bool = False
+    has_tv: bool = False
+
+    @default_state
+    @state
+    def neutral(self):
+        if self.has_tv:
+            if self.prob(self.get("prob_tv_spread")):
+                return self.infected
+        if self.has_been_infected:
+            return self.infected
+
+    @state
+    def infected(self):
+        for neighbor in self.get_neighbors(state_id=self.neutral.id):
+            if self.prob(self.get("prob_neighbor_spread")):
+                neighbor.infect()
+
+    def infect(self):
+        """
+        This is not a state. It is a function that other agents can use to try to
+        infect this agent. DumbViewer always gets infected, but other agents like
+        HerdViewer might not become infected right away
+        """
+        self.has_been_infected = True
+
+
+class HerdViewer(DumbViewer):
+    """
+    A viewer whose probability of infection depends on the state of its neighbors.
+    """
+
+    def infect(self):
+        """Notice again that this is NOT a state. See DumbViewer.infect for reference"""
+        infected = self.count_neighbors(state_id=self.infected.id)
+        total = self.count_neighbors()
+        prob_infect = self.get("prob_neighbor_spread") * infected / total
+        self.debug("prob_infect", prob_infect)
+        if self.prob(prob_infect):
+            self.has_been_infected = True
+
+
+class WiseViewer(HerdViewer):
+    """
+    A viewer that can change its mind.
+    """
+
+    @state
+    def cured(self):
+        prob_cure = self.get("prob_neighbor_cure")
+        for neighbor in self.get_neighbors(state_id=self.infected.id):
+            if self.prob(prob_cure):
+                try:
+                    neighbor.cure()
+                except AttributeError:
+                    self.debug("Viewer {} cannot be cured".format(neighbor.id))
+
+    def cure(self):
+        self.has_been_cured = True
+
+    @state
+    def infected(self):
+        if self.has_been_cured:
+            return self.cured
+        cured = max(self.count_neighbors(self.cured.id), 1.0)
+        infected = max(self.count_neighbors(self.infected.id), 1.0)
+        prob_cure = self.get("prob_neighbor_cure") * (cured / infected)
+        if self.prob(prob_cure):
+            return self.cured
+
+
+class NewsSpread(Environment):
+    ratio_dumb: probability = 1,
+    ratio_herd: probability = 0,
+    ratio_wise: probability = 0,
+    prob_tv_spread: probability = 0.1,
+    prob_neighbor_spread: probability = 0.1,
+    prob_neighbor_cure: probability = 0.05,
+
+    def init(self):
+        self.populate_network([DumbViewer, HerdViewer, WiseViewer], [self.ratio_dumb, self.ratio_herd, self.ratio_wise])
+
+
+from itertools import permutations
+from soil import Simulation
+
+
+# We want to investigate the effect of different agent distributions on the spread of news.
+# To do that, we will run different simulations, with a varying ratio of DumbViewers, HerdViewers, and WiseViewers
+# Because the effect of these agents might also depend on the network structure, we will run our simulations on two different networks:
+# one with a small-world structure and one with a connected structure.
+
+for [r1, r2, r3] in permutations([0, 0.5, 1.0], 3):
+    for (generator, netparams) in {
+        "barabasi_albert_graph": {"m": 5},
+        "erdos_renyi_graph": {"p": 0.1},
+    }.items():
+        print(r1, r2, r3, generator)
+        # Create new simulation
+        netparams["n"] = 500
+        sim = Simulation(
+            model=NewsSpread,
+            model_params={
+                "ratio_dumb": r1,
+                "ratio_herd": r2,
+                "ratio_wise": r3,
+                "network_generator": generator,
+                "network_params": netparams,
+                "prob_neighbor_spread": 0,
+            },
+            num_trials=50,
+            max_steps=300,
+            dry_run=True,
+        )
+        # Run all the necessary instances
+        sim.run()

examples/programmatic/programmatic_sim.py

@@ -1,7 +1,7 @@
 """
 Example of a fully programmatic simulation, without definition files.
 """
-from soil import Simulation, agents
+from soil import Simulation, Environment, agents
 from networkx import Graph
 import logging
 
@@ -25,23 +25,18 @@ class MyAgent(agents.FSM):
             self.info("This runs 2/10 times on average")
 
 
+class ProgrammaticEnv(Environment):
+
+    def init(self):
+        self.create_network(generator=mygenerator)
+        self.populate_network(agent_class=MyAgent)
+        self.add_agent_reporter('times_run')
+
+
 simulation = Simulation(
     name="Programmatic",
-    model_params={
-        'topology': {
-            'params': {
-                'generator': mygenerator
-            },
-        },
-        'agents': {
-            'distribution': [{
-                'agent_class': MyAgent,
-                'topology': True,
-            }]
-        }
-    },
+    model=ProgrammaticEnv,
     seed='Program',
-    agent_reporters={'times_run': 'times_run'},
     num_trials=1,
     max_time=100,
     dry_run=True,

examples/pubcrawl/pubcrawl.yml

@@ -1,26 +0,0 @@
----
-name: pubcrawl
-num_trials: 3
-max_steps: 10
-dump: false
-network_params:
-  # Generate 100 empty nodes. They will be assigned a network agent
-  generator: empty_graph
-  n: 30
-network_agents:
-  - agent_class: pubcrawl.Patron
-    description: Extroverted patron
-    state:
-      openness: 1.0
-    weight: 9
-  - agent_class: pubcrawl.Patron
-    description: Introverted patron
-    state:
-      openness: 0.1
-    weight: 1
-environment_agents:
-  - agent_class: pubcrawl.Police
-environment_class: pubcrawl.CityPubs
-environment_params:
-  altercations: 0
-  number_of_pubs: 3

examples/pubcrawl/pubcrawl_sim.py

@@ -1,6 +1,7 @@
 from soil.agents import FSM, NetworkAgent, state, default_state
-from soil import Environment
+from soil import Environment, Simulation, parameters
 from itertools import islice
+import networkx as nx
 import logging
 
 
@@ -8,19 +9,23 @@ class CityPubs(Environment):
     """Environment with Pubs"""
 
     level = logging.INFO
-
-    def __init__(self, *args, number_of_pubs=3, pub_capacity=10, **kwargs):
-        super(CityPubs, self).__init__(*args, **kwargs)
+    number_of_pubs: parameters.Integer = 3
+    ratio_extroverted: parameters.probability = 0.1
+    pub_capacity: parameters.Integer = 10
+    
+    def init(self):
         pubs = {}
-        for i in range(number_of_pubs):
+        for i in range(self.number_of_pubs):
             newpub = {
                 "name": "The awesome pub #{}".format(i),
                 "open": True,
-                "capacity": pub_capacity,
+                "capacity": self.pub_capacity,
                 "occupancy": 0,
             }
             pubs[newpub["name"]] = newpub
+        self.add_agent(agent_class=Police, node_id=0)
         self["pubs"] = pubs
+        self.populate_network([{"openness": 0.1}, {"openness": 1}], [self.ratio_extroverted, 1-self.ratio_extroverted], agent_class=Patron)
 
     def enter(self, pub_id, *nodes):
         """Agents will try to enter. The pub checks if it is possible"""
@@ -169,7 +174,20 @@ class Police(FSM):
             self.info("No trash to take out. Too bad.")
 
 
-if __name__ == "__main__":
-    from soil import run_from_config
+sim = Simulation(
+    name="pubcrawl",
+    num_trials=3,
+    max_steps=10,
+    dry_run=True,
+    model_params=dict(
+        generator=nx.empty_graph,
+        network_params={"n": 30},
+        model=CityPubs,
+        altercations=0,
+        number_of_pubs=3,
+    )
+)
 
-    run_from_config("pubcrawl.yml", dry_run=True, dump=None, parallel=False)
+
+if __name__ == "__main__":
+    sim.run(parallel=False)

examples/rabbits/basic/rabbits.yml

@@ -1,42 +0,0 @@
----
-version: '2'
-name: rabbits_basic
-num_trials: 1
-seed: MySeed
-description: null
-group: null
-interval: 1.0
-max_time: 100
-model_class: rabbit_agents.RabbitEnv
-model_params:
-  agents:
-    topology: true
-    distribution:
-    - agent_class: rabbit_agents.Male
-      weight: 1
-    - agent_class: rabbit_agents.Female
-      weight: 1
-    fixed:
-    - agent_class: rabbit_agents.RandomAccident
-      topology: false
-      hidden: true
-      state:
-        group: environment
-    state:
-      group: network
-      mating_prob: 0.1
-  prob_death: 0.001
-  topology:
-    fixed:
-      directed: true
-      links: []
-      nodes:
-      - id: 1
-      - id: 0
-  model_reporters:
-    num_males: 'num_males'
-    num_females: 'num_females'
-    num_rabbits: |
-      py:lambda env: env.num_males + env.num_females
-extra:
-  visualization_params: {}

examples/rabbits/improved/rabbits.yml

@@ -1,42 +0,0 @@
----
-version: '2'
-name: rabbits_improved
-num_trials: 1
-seed: MySeed
-description: null
-group: null
-interval: 1.0
-max_time: 100
-model_class: rabbit_agents.RabbitEnv
-model_params:
-  agents:
-    topology: true
-    distribution:
-    - agent_class: rabbit_agents.Male
-      weight: 1
-    - agent_class: rabbit_agents.Female
-      weight: 1
-    fixed:
-    - agent_class: rabbit_agents.RandomAccident
-      topology: false
-      hidden: true
-      state:
-        group: environment
-    state:
-      group: network
-      mating_prob: 0.1
-  prob_death: 0.001
-  topology:
-    fixed:
-      directed: true
-      links: []
-      nodes:
-      - id: 1
-      - id: 0
-  model_reporters:
-    num_males: 'num_males'
-    num_females: 'num_females'
-    num_rabbits: |
-      py:lambda env: env.num_males + env.num_females
-extra:
-  visualization_params: {}

examples/rabbits/rabbit_improved_sim.py

@@ -1,23 +1,20 @@
-from soil import FSM, state, default_state, BaseAgent, NetworkAgent, Environment
+from soil import FSM, state, default_state, BaseAgent, NetworkAgent, Environment, Simulation
 from soil.time import Delta
 from enum import Enum
 from collections import Counter
 import logging
 import math
 
+from rabbits_basic_sim import RabbitEnv
 
-class RabbitEnv(Environment):
-    @property
-    def num_rabbits(self):
-        return self.count_agents(agent_class=Rabbit)
 
-    @property
-    def num_males(self):
-        return self.count_agents(agent_class=Male)
-
-    @property
-    def num_females(self):
-        return self.count_agents(agent_class=Female)
+class RabbitsImprovedEnv(RabbitEnv):
+    def init(self):
+        """Initialize the environment with the new versions of the agents"""
+        a1 = self.add_node(Male)
+        a2 = self.add_node(Female)
+        a1.add_edge(a2)
+        self.add_agent(RandomAccident)
 
 
 class Rabbit(FSM, NetworkAgent):
@@ -150,8 +147,7 @@ class RandomAccident(BaseAgent):
         self.debug("Rabbits alive: {}".format(rabbits_alive))
 
 
-if __name__ == "__main__":
-    from soil import easy
+sim = Simulation(model=RabbitsImprovedEnv, max_time=100, seed="MySeed", num_trials=1)
 
-    with easy("rabbits.yml") as sim:
-        sim.run()
+if __name__ == "__main__":
+    sim.run()

examples/rabbits/rabbits_basic_sim.py

@@ -1,20 +1,29 @@
-from soil import FSM, state, default_state, BaseAgent, NetworkAgent, Environment
+from soil import FSM, state, default_state, BaseAgent, NetworkAgent, Environment, Simulation, report, parameters as params
 from collections import Counter
 import logging
 import math
 
 
 class RabbitEnv(Environment):
-    prob_death = 1e-100
+    prob_death: params.probability = 1e-100
 
+    def init(self):
+        a1 = self.add_node(Male)
+        a2 = self.add_node(Female)
+        a1.add_edge(a2)
+        self.add_agent(RandomAccident)
+
+    @report
     @property
     def num_rabbits(self):
         return self.count_agents(agent_class=Rabbit)
 
+    @report
     @property
     def num_males(self):
         return self.count_agents(agent_class=Male)
 
+    @report
     @property
     def num_females(self):
         return self.count_agents(agent_class=Female)
@@ -145,8 +154,8 @@ class RandomAccident(BaseAgent):
         self.debug("Rabbits alive: {}".format(rabbits_alive))
 
 
-if __name__ == "__main__":
-    from soil import easy
 
-    with easy("rabbits.yml") as sim:
-        sim.run()
+sim = Simulation(model=RabbitEnv, max_time=100, seed="MySeed", num_trials=1)
+
+if __name__ == "__main__":
+    sim.run()

examples/random_delays/random_delays_sim.py

@@ -2,7 +2,7 @@
 Example of setting a 
 Example of a fully programmatic simulation, without definition files.
 """
-from soil import Simulation, agents
+from soil import Simulation, agents, Environment
 from soil.time import Delta
 
 
@@ -29,11 +29,15 @@ class MyAgent(agents.FSM):
         return None, Delta(self.random.expovariate(1 / 16))
 
 
+class RandomEnv(Environment):
+
+    def init(self):
+        self.add_agent(agent_class=MyAgent)
+
+
 s = Simulation(
     name="Programmatic",
-    model_params={
-        'agents': [{'agent_class': MyAgent}],
-    },
+    model=RandomEnv,
     num_trials=1,
     max_time=100,
     dry_run=True,

examples/template.yml

@@ -1,30 +0,0 @@
----
-sampler:
-  method: "SALib.sample.morris.sample"
-  N: 10
-template:
-  group: simple
-  num_trials: 1
-  interval: 1
-  max_steps: 2
-  seed: "CompleteSeed!"
-  dump: false
-  model_params:
-    network_params:
-      generator: complete_graph
-      n: 10
-    network_agents:
-      - agent_class: CounterModel
-        weight: "{{ x1 }}"
-        state:
-          state_id: 0
-      - agent_class: AggregatedCounter
-        weight: "{{ 1 - x1 }}"
-    name: "{{ x3 }}"
-  skip_test: true
-vars:
-  bounds:
-    x1: [0, 1]
-    x2: [1, 2]
-  fixed:
-    x3: ["a", "b", "c"]

examples/terrorism/TerroristNetworkModel.yml

@@ -1,62 +0,0 @@
-name: TerroristNetworkModel_sim
-max_steps: 150 
-num_trials: 1
-model_params:
-  network_params:
-    generator: random_geometric_graph
-    radius: 0.2
-    # generator: geographical_threshold_graph
-    # theta: 20
-    n: 100
-  network_agents:
-    - agent_class: TerroristNetworkModel.TerroristNetworkModel
-      weight: 0.8
-      state:
-        id: civilian  # Civilians
-    - agent_class: TerroristNetworkModel.TerroristNetworkModel
-      weight: 0.1
-      state:
-        id: leader    # Leaders
-    - agent_class: TerroristNetworkModel.TrainingAreaModel
-      weight: 0.05
-      state:
-        id: terrorist # Terrorism
-    - agent_class: TerroristNetworkModel.HavenModel
-      weight: 0.05
-      state:
-        id: civilian  # Civilian
-
-  # TerroristSpreadModel
-  information_spread_intensity: 0.7
-  terrorist_additional_influence: 0.035
-  max_vulnerability: 0.7
-  prob_interaction: 0.5
-
-  # TrainingAreaModel and HavenModel
-  training_influence: 0.20
-  haven_influence: 0.20
-
-  # TerroristNetworkModel
-  vision_range: 0.30
-  sphere_influence: 2
-  weight_social_distance: 0.035
-  weight_link_distance: 0.035
-
-visualization_params:
-  # Icons downloaded from https://www.iconfinder.com/
-  shape_property: agent
-  shapes:
-    TrainingAreaModel: target
-    HavenModel: home
-    TerroristNetworkModel: person
-  colors:
-    - attr_id: civilian
-      color: '#40de40'
-    - attr_id: terrorist
-      color: red
-    - attr_id: leader
-      color: '#c16a6a'
-  background_image: 'map_4800x2860.jpg'
-  background_opacity: '0.9'
-  background_filter_color: 'blue'
-skip_test: true  # This simulation takes too long for automated tests.

examples/terrorism/TerroristNetworkModel_sim.py

@@ -1,6 +1,43 @@
 import networkx as nx
-from soil.agents import Geo, NetworkAgent, FSM, state, default_state
-from soil import Environment
+from soil.agents import Geo, NetworkAgent, FSM, custom, state, default_state
+from soil import Environment, Simulation
+from soil.parameters import *
+
+
+class TerroristEnvironment(Environment):
+    generator: function = nx.random_geometric_graph
+    n: Integer = 100
+    radius: Float = 0.2
+
+    information_spread_intensity: probability = 0.7
+    terrorist_additional_influence: probability = 0.03
+    terrorist_additional_influence: probability = 0.035
+    max_vulnerability: probability = 0.7
+    prob_interaction: probability = 0.5
+
+    # TrainingAreaModel and HavenModel
+    training_influence: probability = 0.20
+    haven_influence: probability = 0.20
+
+    # TerroristNetworkModel
+    vision_range: Float = 0.30
+    sphere_influence: Integer = 2
+    weight_social_distance: Float = 0.035
+    weight_link_distance: Float = 0.035
+
+    ratio_civil: probability = 0.8
+    ratio_leader: probability = 0.1
+    ratio_training: probability = 0.05
+    ratio_haven: probability = 0.05
+
+    def init(self):
+        self.create_network(generator=self.generator, n=self.n, radius=self.radius)
+        self.populate_network([
+            TerroristNetworkModel.w(state_id='civilian'),
+            TerroristNetworkModel.w(state_id='leader'),
+            TrainingAreaModel,
+            HavenModel
+        ], [self.ratio_civil, self.ratio_leader, self.ratio_trainig, self.ratio_heaven])
 
 
 class TerroristSpreadModel(FSM, Geo):
@@ -17,36 +54,21 @@ class TerroristSpreadModel(FSM, Geo):
         prob_interaction
     """
 
-    def __init__(self, model=None, unique_id=0, state=()):
-        super().__init__(model=model, unique_id=unique_id, state=state)
-
-        self.information_spread_intensity = model.environment_params[
-            "information_spread_intensity"
-        ]
-        self.terrorist_additional_influence = model.environment_params[
-            "terrorist_additional_influence"
-        ]
-        self.prob_interaction = model.environment_params["prob_interaction"]
-
-        if self["id"] == self.civilian.id:  # Civilian
-            self.mean_belief = self.random.uniform(0.00, 0.5)
-        elif self["id"] == self.terrorist.id:  # Terrorist
+    def init(self):
+        if self.state_id == self.civilian.id:  # Civilian
+            self.mean_belief = self.model.random.uniform(0.00, 0.5)
+        elif self.state_id == self.terrorist.id:  # Terrorist
             self.mean_belief = self.random.uniform(0.8, 1.00)
-        elif self["id"] == self.leader.id:  # Leader
+        elif self.state_id == self.leader.id:  # Leader
             self.mean_belief = 1.00
         else:
             raise Exception("Invalid state id: {}".format(self["id"]))
 
-        if "min_vulnerability" in model.environment_params:
-            self.vulnerability = self.random.uniform(
-                model.environment_params["min_vulnerability"],
-                model.environment_params["max_vulnerability"],
-            )
-        else:
-            self.vulnerability = self.random.uniform(
-                0, model.environment_params["max_vulnerability"]
-            )
+        self.vulnerability = self.random.uniform(
+            self.get("min_vulnerability", 0), self.get("max_vulnerability", 1)
+        )
 
+    @default_state
     @state
     def civilian(self):
         neighbours = list(self.get_neighbors(agent_class=TerroristSpreadModel))
@@ -287,3 +309,32 @@ class TerroristNetworkModel(TerroristSpreadModel):
             return nx.shortest_path_length(self.G, self.id, target)
         except nx.NetworkXNoPath:
             return float("inf")
+
+
+sim = Simulation(
+    model=TerroristEnvironment,
+    num_trials=1,
+    name="TerroristNetworkModel_sim",
+    max_steps=150,
+    skip_test=True,
+    dry_run=True,
+)
+
+# TODO: integrate visualization
+# visualization_params:
+#   # Icons downloaded from https://www.iconfinder.com/
+#   shape_property: agent
+#   shapes:
+#     TrainingAreaModel: target
+#     HavenModel: home
+#     TerroristNetworkModel: person
+#   colors:
+#     - attr_id: civilian
+#       color: '#40de40'
+#     - attr_id: terrorist
+#       color: red
+#     - attr_id: leader
+#       color: '#c16a6a'
+#   background_image: 'map_4800x2860.jpg'
+#   background_opacity: '0.9'
+#   background_filter_color: 'blue'

examples/torvalds.yml

@@ -1,15 +0,0 @@
----
-name: torvalds_example
-max_steps: 10
-interval: 2
-model_params:
-  agent_class: CounterModel
-  default_state:
-    skill_level: 'beginner'
-  network_params:
-    path: 'torvalds.edgelist'
-  states:
-    Torvalds:
-      skill_level: 'God'
-    balkian:
-      skill_level: 'developer'

examples/torvalds_sim.py

@@ -0,0 +1,16 @@
+from soil import Environment, Simulation, CounterModel
+
+class TorvaldsEnv(Environment):
+
+  def init(self):
+    self.create_network(path='torvalds.edgelist')
+    self.populate_network(CounterModel, skill_level='beginner')
+    print("Agentes: ", list(self.network_agents))
+    self.find_one(node_id="Torvalds").skill_level = 'God'
+    self.find_one(node_id="balkian").skill_level = 'developer'
+
+
+sim = Simulation(name='torvalds_example',
+                 max_steps=10,
+                 interval=2,
+                 model=TorvaldsEnv)