# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1481667993 -3600
# Node ID e545439a787cdb3ce30430ea12ae363175fdc7cc
# Parent  87ba8cc4108297dc58f0595d20f212293ba1728c
Eliminate predefined constant name assignments.

diff -r 87ba8cc41082 -r e545439a787c translator.py
--- a/translator.py	Tue Dec 13 22:48:28 2016 +0100
+++ b/translator.py	Tue Dec 13 23:26:33 2016 +0100
@@ -205,10 +205,19 @@
 
     "A predefined constant reference."
 
-    def __init__(self, value):
+    def __init__(self, value, expr=None):
         self.value = value
+        self.expr = expr
 
     def __str__(self):
+
+        # Eliminate predefined constant assignments.
+
+        if self.expr:
+            return ""
+
+        # Generate the specific constants.
+
         if self.value in ("False", "True"):
             return encode_path("__builtins__.boolean.%s" % self.value)
         elif self.value == "None":
@@ -1327,7 +1336,7 @@
         # Determine whether the name refers to a static external entity.
 
         if n.name in predefined_constants:
-            return PredefinedConstantRef(n.name)
+            return PredefinedConstantRef(n.name, expr)
 
         # Convert literal references, operator function names, and print
         # function names to references.