X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=scripts%2Fjsondiff.py;h=470aeda059b8f2723ddf6796394507f8e347ee2d;hb=48c661ea6c0f2bd9b76a3385cd946b7d07bc9b5f;hp=b541e449f03ec1f0e81e6bc53df2180a7678b53e;hpb=e26d30e9121ba10bcff16df43c27cce7223038b3;p=apitrace

diff --git a/scripts/jsondiff.py b/scripts/jsondiff.py
index b541e44..470aeda 100755
--- a/scripts/jsondiff.py
+++ b/scripts/jsondiff.py
@@ -44,19 +44,19 @@ class Visitor:
 
     def visit(self, node, *args, **kwargs):
         if isinstance(node, dict):
-            return self.visit_object(node, *args, **kwargs)
+            return self.visitObject(node, *args, **kwargs)
         elif isinstance(node, list):
-            return self.visit_array(node, *args, **kwargs)
+            return self.visitArray(node, *args, **kwargs)
         else:
-            return self.visit_value(node, *args, **kwargs)
+            return self.visitValue(node, *args, **kwargs)
 
-    def visit_object(self, node, *args, **kwargs):
+    def visitObject(self, node, *args, **kwargs):
         pass
 
-    def visit_array(self, node, *args, **kwargs):
+    def visitArray(self, node, *args, **kwargs):
         pass
 
-    def visit_value(self, node, *args, **kwargs):
+    def visitValue(self, node, *args, **kwargs):
         pass
 
 
@@ -75,7 +75,7 @@ class Dumper(Visitor):
     def _newline(self):
         self._write('\n')
 
-    def visit_object(self, node):
+    def visitObject(self, node):
         self.enter_object()
 
         members = node.keys()
@@ -109,7 +109,7 @@ class Dumper(Visitor):
         if self.level <= 0:
             self._newline()
 
-    def visit_array(self, node):
+    def visitArray(self, node):
         self.enter_array()
         for i in range(len(node)):
             value = node[i]
@@ -130,17 +130,18 @@ class Dumper(Visitor):
         self._indent()
         self._write(']')
 
-    def visit_value(self, node):
+    def visitValue(self, node):
         self._write(json.dumps(node))
 
 
 
 class Comparer(Visitor):
 
-    def __init__(self, ignore_added = False):
+    def __init__(self, ignore_added = False, tolerance = 2.0 ** -24):
         self.ignore_added = ignore_added
+        self.tolerance = tolerance
 
-    def visit_object(self, a, b):
+    def visitObject(self, a, b):
         if not isinstance(b, dict):
             return False
         if len(a) != len(b) and not self.ignore_added:
@@ -161,7 +162,7 @@ class Comparer(Visitor):
                 return False
         return True
 
-    def visit_array(self, a, b):
+    def visitArray(self, a, b):
         if not isinstance(b, list):
             return False
         if len(a) != len(b):
@@ -171,9 +172,14 @@ class Comparer(Visitor):
                 return False
         return True
 
-    def visit_value(self, a, b):
-        return a == b
-
+    def visitValue(self, a, b):
+        if isinstance(a, float) or isinstance(b, float):
+            if a == 0:
+                return abs(b) < self.tolerance
+            else:
+                return abs((b - a)/a) < self.tolerance
+        else:
+            return a == b
 
 
 class Differ(Visitor):
@@ -187,7 +193,7 @@ class Differ(Visitor):
             return
         Visitor.visit(self, a, b)
 
-    def visit_object(self, a, b):
+    def visitObject(self, a, b):
         if not isinstance(b, dict):
             self.replace(a, b)
         else:
@@ -209,7 +215,7 @@ class Differ(Visitor):
 
             self.dumper.leave_object()
 
-    def visit_array(self, a, b):
+    def visitArray(self, a, b):
         if not isinstance(b, list):
             self.replace(a, b)
         else:
@@ -235,7 +241,7 @@ class Differ(Visitor):
 
             self.dumper.leave_array()
 
-    def visit_value(self, a, b):
+    def visitValue(self, a, b):
         if a != b:
             self.replace(a, b)