do not hardcore tmp file path

config.py.example

@@ -4,6 +4,6 @@ import os, random, string
 class Config:
     SECRET_KEY = os.environ.get('SECRET_KEY') or \
             ''.join(random.choices(string.ascii_letters, k=20))
-    DATA_DIR   = os.environ.get('DATA_DIR') or '/home/orange/devel/prolefeeder/tmp'
+    DATA_DIR   = os.environ.get('DATA_DIR') or os.path.join(os.path.dirname(__file__), 'tmp')
     MAX_LENGTH = os.environ.get('MAX_LENGTH') or 180
     KBITS      = os.environ.get('KBITS') or 128

generate-test-data.py

@@ -1,4 +1,5 @@
 from datetime import datetime, timedelta
+import os
 import subprocess
 
 from config import Config
@@ -18,8 +19,8 @@ delta = timedelta(hours=1)
 
 t = start
 while t < end:
-    fn = 'tmp/qfhi-{:04d}{:02d}{:02d}-{:02d}{:02d}.mp3'.format(
+    fn = os.path.join(Config.DATA_DIR, 'qfhi-{:04d}{:02d}{:02d}-{:02d}{:02d}.mp3'.format(
-            t.year, t.month, t.day, t.hour, t.minute)
+            t.year, t.month, t.day, t.hour, t.minute))
     print(fn)
     generate_test_file(fn, delta)