update 0.5

pythonbrew/log.py

@@ -0,0 +1,43 @@
+import sys
+import logging
+
+class Logger(object):
+    
+    DEBUG = logging.DEBUG
+    INFO = logging.INFO
+    ERROR = logging.ERROR
+    
+    def __init__(self):
+        self._consumers = []
+        consumer = logging.getLogger('info')
+        consumer.setLevel(Logger.INFO)
+        hdlr = logging.StreamHandler(sys.stdout)
+        hdlr.setFormatter(logging.Formatter("%(message)s"))
+        consumer.addHandler(hdlr)
+        self.add_consumer(Logger.INFO, consumer)
+        
+        consumer = logging.getLogger('error')
+        consumer.setLevel(Logger.ERROR)
+        hdlr = logging.StreamHandler(sys.stderr)
+        hdlr.setFormatter(logging.Formatter("%(levelname)s: %(message)s"))
+        consumer.addHandler(hdlr)
+        self.add_consumer(Logger.ERROR, consumer)
+    
+    def debug(self, msg, *args, **keys):
+        self._log(Logger.DEBUG, msg, *args, **keys)
+    
+    def info(self, msg, *args, **keys):
+        self._log(Logger.INFO, msg, *args, **keys)
+        
+    def error(self, msg, *args, **keys):
+        self._log(Logger.ERROR, msg, *args, **keys)
+    
+    def _log(self, level, msg, *args, **keys):
+        for (consumer_level, consumer) in self._consumers:
+            if level == consumer_level:
+                consumer.log(level, msg, *args, **keys)
+    
+    def add_consumer(self, level, consumer):
+        self._consumers.append((level, consumer))
+
+logger = Logger()