Initial commit

1 files changed, 60 insertions, 0 deletions

diff --git a/dotbot/messenger/messenger.py b/dotbot/messenger/messenger.py
new file mode 100644
index 0000000..04081e7
--- /dev/null
+++ b/dotbot/messenger/messenger.py
@@ -0,0 +1,60 @@
+import sys
+from ..util.singleton import Singleton
+from .color import Color
+from .level import Level
+
+class Messenger(object):
+    __metaclass__ = Singleton
+
+    def __init__(self, level = Level.LOWINFO):
+        self.set_level(level)
+
+    def set_level(self, level):
+        self._level = level
+
+    def log(self, level, message):
+        if (level >= self._level):
+            print '%s%s%s' % (self._color(level), message, self._reset())
+
+    def debug(self, message):
+        self.log(Level.DEBUG, message)
+
+    def lowinfo(self, message):
+        self.log(Level.LOWINFO, message)
+
+    def info(self, message):
+        self.log(Level.INFO, message)
+
+    def warning(self, message):
+        self.log(Level.WARNING, message)
+
+    def error(self, message):
+        self.log(Level.ERROR, message)
+    
+    def _color(self, level):
+        '''
+        Get a color (terminal escape sequence) according to a level.
+        '''
+        if not sys.stdout.isatty():
+            return ''
+        elif level < Level.DEBUG:
+            return ''
+        elif Level.DEBUG <= level < Level.LOWINFO:
+            return Color.YELLOW
+        elif Level.LOWINFO <= level < Level.INFO:
+            return Color.BLUE
+        elif Level.INFO <= level < Level.WARNING:
+            return Color.GREEN
+        elif Level.WARNING <= level < Level.ERROR:
+            return Color.MAGENTA
+        elif Level.ERROR <= level:
+            return Color.RED
+
+    def _reset(self):
+        '''
+        Get a reset color (terminal escape sequence).
+        '''
+        if not sys.stdout.isatty():
+            return ''
+        else:
+            return Color.RESET