make up for lack of 'total_seconds()' lib function for pre 2.7 version of python

python_apps/pypo/pure.py

@@ -5,3 +5,13 @@ def version_cmp(version1, version2):
     def normalize(v):
         return [int(x) for x in re.sub(r'(\.0+)*$','', v).split(".")]
     return cmp(normalize(version1), normalize(version2))
+
+def date_interval_to_seconds(interval):
+    """
+    Convert timedelta object into int representing the number of seconds. If
+    number of seconds is less than 0, then return 0.
+    """
+    seconds = (interval.microseconds + \
+               (interval.seconds + interval.days * 24 * 3600) * 10 ** 6) / float(10 ** 6)
+
+    return seconds

python_apps/pypo/pypofetch.py

@@ -11,6 +11,7 @@ import subprocess
 import signal
 from datetime import datetime
 import traceback
+import pure
 
 from Queue import Empty
 from threading import Thread
@@ -19,6 +20,7 @@ from subprocess import Popen, PIPE
 from api_clients import api_client
 from std_err_override import LogWriter
 
+
 # configure logging
 logging_cfg = os.path.join(os.path.dirname(__file__), "logging.cfg")
 logging.config.fileConfig(logging_cfg)
@@ -462,7 +464,7 @@ class PypoFetch(Thread):
         start = datetime.strptime(media_item['start'], "%Y-%m-%d-%H-%M-%S")
         end = datetime.strptime(media_item['end'], "%Y-%m-%d-%H-%M-%S")
 
-        length1 = (end - start).total_seconds()
+        length1 = pure.date_interval_to_seconds(end - start)
         length2 = media_item['cue_out'] - media_item['cue_in']
 
         if abs(length2 - length1) > 1: