A SimpleRepr class to inherit a simple __repr__ implementation.

2 files changed, 12 insertions, 2 deletions

diff --git a/coverage/misc.py b/coverage/misc.py
index e3723c18..f3763461 100644
--- a/coverage/misc.py
+++ b/coverage/misc.py
@@ -227,6 +227,16 @@ def _needs_to_implement(that, func_name):
         )
 
 
+class SimpleRepr(object):
+    """A mixin implementing a simple __repr__."""
+    def __repr__(self):
+        return "<{klass} @{id:x} {attrs}>".format(
+            klass=self.__class__.__name__,
+            id=id(self) & 0xFFFFFF,
+            attrs=" ".join("{}={!r}".format(k, v) for k, v in self.__dict__.items()),
+            )
+
+
 class CoverageException(Exception):
     """An exception specific to coverage.py."""
     pass
diff --git a/coverage/results.py b/coverage/results.py
index 7853848a..b88bea78 100644
--- a/coverage/results.py
+++ b/coverage/results.py
@@ -6,7 +6,7 @@
 import collections
 
 from coverage.backward import iitems
-from coverage.misc import format_lines
+from coverage.misc import format_lines, SimpleRepr
 
 
 class Analysis(object):
@@ -157,7 +157,7 @@ class Analysis(object):
         return stats
 
 
-class Numbers(object):
+class Numbers(SimpleRepr, object):
     """The numerical results of measuring coverage.
 
     This holds the basic statistics from `Analysis`, and is used to roll