--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/candolint/utils.py	Sun Jul 17 05:10:35 2016 +0800
@@ -0,0 +1,8 @@
+from __future__ import absolute_import
+
+
+from os.path import abspath, dirname, join
+
+
+def rel(*parts):
+    return abspath(join(dirname(dirname(__file__)), *parts))

--- a/checker.py	Sun Jul 17 01:15:16 2016 +0800
+++ b/checker.py	Sun Jul 17 05:10:35 2016 +0800
@@ -11,8 +11,7 @@
 
 import yaml
 
-
-rel = lambda *x: os.path.abspath(os.path.join(os.path.dirname(__file__), *x))
+from candolint.utils import rel
 
 
 def run_ignore_codes(fn, args, codes):

--- a/incoming.py	Sun Jul 17 01:15:16 2016 +0800
+++ b/incoming.py	Sun Jul 17 05:10:35 2016 +0800
@@ -2,7 +2,6 @@
 from __future__ import absolute_import
 
 import logging
-import os
 import re
 import sys
 from argparse import ArgumentParser, FileType
@@ -12,9 +11,7 @@
 from tornado.escape import json_encode
 
 from candolint.models import database, Project, Change, Check
-
-
-rel = lambda *x: os.path.abspath(os.path.join(os.path.dirname(__file__), *x))
+from candolint.utils import rel
 
 
 def parse_timestamp(value):

--- a/viewer.py	Sun Jul 17 01:15:16 2016 +0800
+++ b/viewer.py	Sun Jul 17 05:10:35 2016 +0800
@@ -2,7 +2,6 @@
 from __future__ import absolute_import
 
 import logging
-import os
 
 from tornado.ioloop import IOLoop
 from tornado.options import define, options
@@ -11,9 +10,7 @@
 from candolint import uimodules
 from candolint.handlers import IndexHandler, ProjectHandler, CheckHandler, StatusHandler, ErrorHandler
 from candolint.models import database
-
-
-rel = lambda *x: os.path.abspath(os.path.join(os.path.dirname(__file__), *x))
+from candolint.utils import rel
 
 
 define('listen', metavar='IP', default='127.0.0.1')