Changes for 0.3.

3 files changed, 19 insertions, 4 deletions

diff --git a/NEWS.txt b/NEWS.txt
index 5f5f32a..026a0a3 100644
--- a/NEWS.txt
+++ b/NEWS.txt
@@ -1,6 +1,14 @@
 What's New in logutils
 ======================
 
+Version 0.3
+-----------
+
+- Added caches for BraceMessage/DollarMessage.
+
+- Added ColorizingStreamHandler.
+
+
 Version 0.2
 -----------
 
diff --git a/doc/index.rst b/doc/index.rst
index 2d971ee..56aab6a 100644
--- a/doc/index.rst
+++ b/doc/index.rst
@@ -19,6 +19,7 @@ tasks you may want to perform:
    dictconfig
    adapter
    http
+   colorize
 
 Indices and tables
 ==================
diff --git a/logutils/__init__.py b/logutils/__init__.py
index 6ec0e0b..f917643 100644
--- a/logutils/__init__.py
+++ b/logutils/__init__.py
@@ -10,7 +10,7 @@ of Python, and so are packaged here.
 import logging
 from string import Template
 
-__version__ = '0.2'
+__version__ = '0.3'
 
 class NullHandler(logging.Handler):
     """
@@ -156,18 +156,24 @@ class BraceMessage(object):
         self.fmt = fmt
         self.args = args
         self.kwargs = kwargs
+        self.str = None
         
     def __str__(self):
-        return self.fmt.format(*self.args, **self.kwargs)
+        if self.str is None:
+            self.str = self.fmt.format(*self.args, **self.kwargs)
+        return self.str
 
 class DollarMessage(object):
     def __init__(self, fmt, **kwargs):
         self.fmt = fmt
         self.kwargs = kwargs
+        self.str = None
         
     def __str__(self):
-        from string import Template
-        return Template(self.fmt).substitute(**self.kwargs)
+        if self.str is None:
+            self.str = Template(self.fmt).substitute(**self.kwargs)
+        return self.str
+
 
 def hasHandlers(logger):
     """