Minor Pythonicisms. NFC.

copycat/coderack.py

@@ -196,9 +196,8 @@ class Coderack(object):
         rule = Rule(self.ctx, facet, description, category, relation)
         rule.updateStrength()
         if description and relation:
-            depths = description.conceptualDepth + relation.conceptualDepth
-            depths /= 200.0
-            urgency = math.sqrt(depths) * 100.0
+            averageDepth = (description.conceptualDepth + relation.conceptualDepth) / 2.0
+            urgency = 100.0 * math.sqrt(averageDepth / 100.0)
         else:
             urgency = 0
         self.newCodelet('rule-strength-tester', urgency, [rule])

copycat/slipnode.py

@@ -72,11 +72,6 @@ class Slipnode(object):
             linkLength = self.shrunkLinkLength
         return 100.0 - linkLength
 
-    def update(self):
-        act = self.activation
-        self.oldActivation = act
-        self.buffer -= self.activation * (100.0 - self.conceptualDepth) / 100.0
-
     def linked(self, other):
         """Whether the other is among the outgoing links"""
         return any(l.points_at(other) for l in self.outgoingLinks)
@@ -129,6 +124,10 @@ class Slipnode(object):
             logging.info('Got no bond')
         return result
 
+    def update(self):
+        self.oldActivation = self.activation
+        self.buffer -= self.activation * (100.0 - self.conceptualDepth) / 100.0
+
     def spread_activation(self):
         if self.fully_active():
             for link in self.outgoingLinks:
@@ -140,9 +139,7 @@ class Slipnode(object):
         self.activation = min(max(0, self.activation), 100)
 
     def jump(self, random):
-        if self.activation <= jump_threshold():
-            return
-        if self.clamped:
+        if self.clamped or self.activation <= jump_threshold():
             return
         value = (self.activation / 100.0) ** 3
         if random.coinFlip(value):

copycat/workspaceString.py

@@ -14,21 +14,16 @@ class WorkspaceString(object):
         self.letters = []
         self.length = len(s)
         self.intraStringUnhappiness = 0.0
-        if not self.length:
-            return
-        position = 0
 
-        for c in self.string.upper():
+        for position, c in enumerate(self.string.upper(), 1):
             value = ord(c) - ord('A')
-            letter = Letter(self, position + 1, self.length)
+            letter = Letter(self, position, self.length)
             letter.workspaceString = self
             letter.addDescription(slipnet.objectCategory, slipnet.letter)
-            letter.addDescription(slipnet.letterCategory,
-                                  slipnet.letters[value])
-            letter.describe(position + 1, self.length)
+            letter.addDescription(slipnet.letterCategory, slipnet.letters[value])
+            letter.describe(position, self.length)
             workspace.buildDescriptions(letter)
             self.letters += [letter]
-            position += 1
 
     def __repr__(self):
         return '<WorkspaceString: %s>' % self.string