1 files changed, 50 insertions, 0 deletions
diff --git a/src/livestreamer/logger.py b/src/livestreamer/logger.py
new file mode 100644
index 0000000..34463b4
--- /dev/null
+++ b/src/livestreamer/logger.py
@@ -0,0 +1,50 @@
+import sys
+
+class Logger(object):
+    Levels = ["none", "error", "warning", "info", "debug"]
+    Format = "[{module}][{level}] {msg}\n"
+
+    output = sys.stdout
+    level = 0
+
+    @classmethod
+    def set_level(cls, level):
+        try:
+            index = Logger.Levels.index(level)
+        except ValueError:
+            return
+
+        cls.level = index
+
+    @classmethod
+    def set_output(cls, output):
+        cls.output = output
+
+    def __init__(self, module):
+        self.module = module
+
+    def msg(self, level, msg, *args):
+        if Logger.level < level or level > len(Logger.Levels):
+            return
+
+        msg = msg.format(*args)
+
+        self.output.write(Logger.Format.format(module=self.module,
+                                               level=Logger.Levels[level],
+                                               msg=msg))
+        self.output.flush()
+
+    def error(self, msg, *args):
+        self.msg(1, msg, *args)
+
+    def warning(self, msg, *args):
+        self.msg(2, msg, *args)
+
+    def info(self, msg, *args):
+        self.msg(3, msg, *args)
+
+    def debug(self, msg, *args):
+        self.msg(4, msg, *args)
+
+
+__all__ = ["Logger"]