Add HotJar on few pages.

[wolnelektury.git] / src / catalogue / utils.py

diff --git a/src/catalogue/utils.py b/src/catalogue/utils.py
index 60a5671..380ec8e 100644 (file)
--- a/src/catalogue/utils.py
+++ b/src/catalogue/utils.py
@@ -85,7 +85,7 @@ class LockFile(object):
         try:
             unlink(self.lockname)
         except OSError as oe:
-            if oe.errno != EEXIST:
+            if oe.errno != ENOENT:
                 raise oe
         self.lock.close()
 
@@ -354,3 +354,8 @@ def gallery_path(slug):
 
 def gallery_url(slug):
     return '%s%s%s/' % (settings.MEDIA_URL, settings.IMAGE_DIR, slug)
+
+
+def get_mp3_length(path):
+    from mutagen.mp3 import MP3
+    return int(MP3(path).info.length)