Untabified source code.

darius · darius · commit bfb657f3b5ea · 2011-10-10T22:14:36.000Z
diff --git a/agents.py b/agents.py
@@ -195,20 +195,20 @@ def object_classes(self):
         return [] ## List of classes that can go into environment
 
     def percept(self, agent):
-	"Return the percept that the agent sees at this point. (Implement this.)"
+        "Return the percept that the agent sees at this point. (Implement this.)"
         abstract
 
     def execute_action(self, agent, action):
         "Change the world to reflect this action. (Implement this.)"
         abstract
 
     def default_location(self, object):
-	"Default location to place a new object with unspecified location."
+        "Default location to place a new object with unspecified location."
         return None
 
     def exogenous_change(self):
-	"If there is spontaneous change in the world, override this."
-	pass
+        "If there is spontaneous change in the world, override this."
+        pass
 
     def is_done(self):
         "By default, we're done when we can't find a live agent."
@@ -217,20 +217,20 @@ def is_done(self):
         return True
 
     def step(self):
-	"""Run the environment for one time step. If the
-	actions and exogenous changes are independent, this method will
-	do.  If there are interactions between them, you'll need to
-	override this method."""
-	if not self.is_done():
+        """Run the environment for one time step. If the
+        actions and exogenous changes are independent, this method will
+        do.  If there are interactions between them, you'll need to
+        override this method."""
+        if not self.is_done():
             actions = [agent.program(self.percept(agent))
                        for agent in self.agents]
             for (agent, action) in zip(self.agents, actions):
-		self.execute_action(agent, action)
+                self.execute_action(agent, action)
             self.exogenous_change()
 
     def run(self, steps=1000):
-	"""Run the Environment for given number of time steps."""
-	for step in range(steps):
+        """Run the Environment for given number of time steps."""
+        for step in range(steps):
             if self.is_done(): return
             self.step()
 
@@ -245,11 +245,11 @@ def some_objects_at(self, location, oclass=Object):
         return self.list_objects_at(location, oclass) != []
 
     def add_object(self, obj, location=None):
-	"""Add an object to the environment, setting its location. Also keep
-	track of objects that are agents.  Shouldn't need to override this."""
-	obj.location = location or self.default_location(obj)
-	self.objects.append(obj)
-	if isinstance(obj, Agent):
+        """Add an object to the environment, setting its location. Also keep
+        track of objects that are agents.  Shouldn't need to override this."""
+        obj.location = location or self.default_location(obj)
+        self.objects.append(obj)
+        if isinstance(obj, Agent):
             obj.performance = 0
             self.agents.append(obj)
 
diff --git a/text.py b/text.py
@@ -219,7 +219,7 @@ def __init__(self):
         import os
         mandir = '../data/MAN/'
         man_files = [mandir + f for f in os.listdir(mandir)
-		     if f.endswith('.txt')]
+                     if f.endswith('.txt')]
         self.index_collection(man_files)
 
 class Document:
diff --git a/utils.py b/utils.py
@@ -723,10 +723,10 @@ def random_tests(text):
     """Some functions are stochastic. We want to be able to write a test
     with random output.  We do that by ignoring the output."""
     def fixup(test): 
-	if " = " in test:
-	    return ">>> " + test
-	else:
-	    return ">>> ignore(" + test + ")"
+        if " = " in test:
+            return ">>> " + test
+        else:
+            return ">>> ignore(" + test + ")"
     tests =  re.findall(">>> (.*)", text)
     return '\n'.join(map(fixup, tests))
 
@@ -904,5 +904,3 @@ def fixup(test):
 ['a', 'b', 'c', 'd', 'r', 'w', 'y', 'z']
 
 """
-
-
