From e8123a6ab1d4eab03153ee04515219eb9dd4bfe2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gina=20H=C3=A4u=C3=9Fge?= <osd@foosel.net>
Date: Mon, 10 Oct 2016 19:27:18 +0200
Subject: [PATCH] Custom logging handler that cleans files on startup

---
 src/octoprint/logging/__init__.py |  4 ++++
 src/octoprint/logging/handlers.py | 16 ++++++++++++++++
 src/octoprint/server/__init__.py  |  4 ++--
 3 files changed, 22 insertions(+), 2 deletions(-)
 create mode 100644 src/octoprint/logging/__init__.py
 create mode 100644 src/octoprint/logging/handlers.py

diff --git a/src/octoprint/logging/__init__.py b/src/octoprint/logging/__init__.py
new file mode 100644
index 00000000..6e016b16
--- /dev/null
+++ b/src/octoprint/logging/__init__.py
@@ -0,0 +1,4 @@
+# coding=utf-8
+from __future__ import absolute_import
+
+from . import handlers
diff --git a/src/octoprint/logging/handlers.py b/src/octoprint/logging/handlers.py
new file mode 100644
index 00000000..ad4fcadb
--- /dev/null
+++ b/src/octoprint/logging/handlers.py
@@ -0,0 +1,16 @@
+# coding=utf-8
+from __future__ import absolute_import
+
+import logging.handlers
+import os
+
+class CleaningTimedRotatingFileHandler(logging.handlers.TimedRotatingFileHandler):
+
+	def __init__(self, *args, **kwargs):
+		logging.handlers.TimedRotatingFileHandler.__init__(self, *args, **kwargs)
+
+		# clean up old files on handler start
+		if self.backupCount > 0:
+			for s in self.getFilesToDelete():
+				os.remove(s)
+
diff --git a/src/octoprint/server/__init__.py b/src/octoprint/server/__init__.py
index 902930df..e74c19a8 100644
--- a/src/octoprint/server/__init__.py
+++ b/src/octoprint/server/__init__.py
@@ -574,11 +574,11 @@ class Server(object):
 					"stream": "ext://sys.stdout"
 				},
 				"file": {
-					"class": "logging.handlers.TimedRotatingFileHandler",
+					"class": "octoprint.logging.handlers.CleaningTimedRotatingFileHandler",
 					"level": "DEBUG",
 					"formatter": "simple",
 					"when": "D",
-					"backupCount": "1",
+					"backupCount": 7,
 					"filename": os.path.join(settings().getBaseFolder("logs"), "octoprint.log")
 				},
 				"serialFile": {