newtim

newtim.py

@@ -0,0 +1,247 @@
+import pymc as mc
+import functools
+import itertools
+from collections import defaultdict as dd
+import pprint
+import progressbar
+
+
+def ResistanceGame(n_players):
+  full_set = [("G1", True), ("G2", True), ("G3", True), ("E1", False), ("E2", False),
+              ("G4", True), ("E3", False), ("G5", True), ("G6", True), ("E4", False)]
+  return full_set[:n_players]
+
+
+class DeceptionGame(object):
+  def __init__(self, player_array):
+    self.player_array = player_array
+    self.all_permutations = list(itertools.permutations(player_array))
+    self.n_players = len(player_array)
+    self.trace = None
+    self.observations = []
+    self.tid = 0
+    self.lady_will_duck = mc.Bernoulli("lady_will_duck", 0.5)
+    self.mission_ducks_on_round = [None] * 5
+    self.mission_ducks_on_round[0] = mc.Bernoulli("missionduck_on_0", 0.5)
+    self.mission_ducks_on_round[1] = mc.Bernoulli("missionduck_on_1", 0.5)
+    self.mission_ducks_on_round[2] = mc.Bernoulli("missionduck_on_2", 0.5)
+    self.mission_ducks_on_round[3] = mc.Bernoulli("missionduck_on_3", 0.0)
+    self.mission_ducks_on_round[4] = mc.Bernoulli("missionduck_on_4", 0.0)
+    self.ignorance_on_round = [None] * 5
+    self.ignorance_on_round[0] = mc.Bernoulli("ignorance_on_0", 0.9)
+    self.ignorance_on_round[1] = mc.Bernoulli("ignorance_on_1", 0.7)
+    self.ignorance_on_round[2] = mc.Bernoulli("ignorance_on_2", 0.5)
+    self.ignorance_on_round[3] = mc.Bernoulli("ignorance_on_3", 0.3)
+    self.ignorance_on_round[4] = mc.Bernoulli("ignorance_on_4", 0.3)
+
+  def player_is_good(self, deal, player):
+    return deal[player][1]
+
+  def player_is_role(self, deal, player):
+    return deal[player][0]
+
+  def add_known_alliance(self, player_id, is_good):
+    transaction = []
+    def obs(deal):
+      if self.player_is_good(deal, player_id) == is_good:
+        return True
+      else:
+        return None
+    transaction.append(obs)
+    self.observations.append(transaction)
+    self.tid += 1
+
+  def add_known_role(self, player_id, role_str):
+    transaction = []
+    def obs(deal):
+      if self.player_is_role(deal, player_id) == role_str:
+        return True
+      else:
+        return None
+    transaction.append(obs)
+    self.observations.append(transaction)
+    self.tid += 1
+
+  def player_sees_player_and_claims(self, p1, p2, claim):
+    transaction = []
+    def obs(deal):
+      if self.player_is_good(deal, p1):
+        if self.player_is_good(deal, p2) == claim:
+          return True
+        else:
+          return None
+      else:
+        if self.lady_will_duck.rand():
+          if self.player_is_good(deal, p2) == claim:
+            return True
+          else:
+            return False
+        else:
+          if self.player_is_good(deal, p2) == claim:
+            return False
+          else:
+            return True
+    transaction.append(obs)
+    self.observations.append(transaction)
+    self.tid += 1
+
+  def do_mission(self, team, fails, must_fail, r):
+    transaction = []
+    rnd = r - 1
+    def obs(deal):
+      n_actually_good_people = sum([int(self.player_is_good(deal, x)) for x in team])
+      n_spies = len(team) - n_actually_good_people
+      if n_spies == 0:
+        if fails != 0:
+          return None
+        else:
+          return True
+      else:
+        if fails == 0:
+          if must_fail:
+            return None
+          duck = False
+          for i in range(n_spies - fails):
+            duck = duck or self.mission_ducks_on_round[rnd].rand()
+          return duck
+        else:
+          if fails > n_spies:
+            return None
+          return True
+
+    transaction.append(obs)
+    self.observations.append(transaction)
+    self.tid += 1
+
+  def do_vote(self, team, votes, r):
+    transaction = []
+    rnd = r - 1
+    def obs(deal):
+      n_actually_good_people = sum([int(self.player_is_good(deal, x)) for x in team])
+      n_spies = len(team) - n_actually_good_people
+      could_happen = True
+      for player, vote in enumerate(votes):
+        if self.player_is_good(deal, player):
+          if player in team:
+            continue
+          elif n_spies > 0:
+            if vote == 1:
+              if self.ignorance_on_round[rnd].rand():
+                continue
+              else:
+                return False
+          else:
+            if vote == 0:
+              if self.ignorance_on_round[rnd].rand():
+                continue
+              else:
+                return False
+        else:
+          if player in team:
+            continue
+          elif n_spies == 0:
+            if vote == 1:
+              if self.ignorance_on_round[rnd].rand():
+                continue
+              else:
+                return False
+          else:
+            if vote == 0:
+              if self.ignorance_on_round[rnd].rand():
+                continue
+              else:
+                return False
+      return could_happen
+
+    transaction.append(obs)
+    self.observations.append(transaction)
+    self.tid += 1
+
+
+  def eval(self, length=100):
+    deck = self.all_permutations[:]
+    new_deck = []
+    trace = []
+    progress = progressbar.ProgressBar()
+    for i in progress(range(length)):
+      for deal in deck:
+        f_list = []
+        for obs in self.observations:
+          for tid in obs:
+            f_list.append(tid)
+        is_bad = False
+        dont_copy = False
+        for f in f_list:
+          out = f(deal)
+          if out is None:
+            is_bad = True
+            dont_copy = True
+            break
+          if out is True:
+            continue
+          if out is False:
+            is_bad = True
+            continue
+
+        if not is_bad:
+          trace.append(deal)
+        if not dont_copy:
+          new_deck.append(deal)
+      deck = new_deck
+      new_deck = []
+
+    self.trace = trace
+
+  def report(self):
+    if self.trace is None:
+      self.eval()
+    out = []
+    for i in range(self.n_players):
+      out.append(self.get_player_data(i))
+    return out
+
+  def get_player_data(self, i):
+    out = {}
+    out["role"] = dd(float)
+    out["side"] = dd(float)
+
+    cards = self._aggregate(self.trace, i)
+    for k, v in cards.iteritems():
+      role, side = k
+      out["role"][role] += v
+      out["side"][side] += v
+    out["role"] = dict(out["role"])
+    out["side"] = dict(out["side"])
+    return out
+
+  def _aggregate(self, l, i):
+    out = dd(float)
+    size = len(l) * 1.0
+    for deal in l:
+      out[deal[i]] += 1 / size
+    return dict(out)
+
+
+  def print_report(self):
+    pp = pprint.PrettyPrinter(indent = 4)
+    pp.pprint(self.report())
+
+
+base_game = DeceptionGame(ResistanceGame(5))
+#base_game.add_known_role(0, "G1")
+#base_game.add_known_alliance(1, False)
+#base_game.player_sees_player_and_claims(0, 1, False)
+base_game.do_vote([1,2], [0,1,1,0,1], 1)
+base_game.do_mission([1,2], 0, False, 1)
+base_game.do_vote([0, 1, 2], [1,1,1,0,1], 2)
+base_game.do_mission([0, 1, 2], 1, False, 2)
+base_game.do_vote([3, 4], [0,0,1,1,1], 3)
+base_game.do_mission([3, 4], 0, False, 3)
+#base_game.do_vote([3, 4], [0,0,1,1,1], 4)
+#base_game.do_mission([0, 3, 4], 1, False, 4)
+#base_game.do_vote([1, 3, 4], [0,1,1,0,1], 5)
+#base_game.do_mission([1, 3, 4], 1, True, 5)
+base_game.eval()
+
+base_game.print_report()
+