Solved issue with video uploading.

Filenames were updated at GCS upon a node save, also for files that aren't
saved to GCS yet (i.e. when Zencoder is still encoding). Now we just
skip non-existing files.

pillar/application/utils/gcs.py

@@ -1,12 +1,15 @@
 import os
 import time
 import datetime
-import bugsnag
+import logging
+
 from bson import ObjectId
 from gcloud.storage.client import Client
 from gcloud.exceptions import NotFound
 from flask import current_app
 
+log = logging.getLogger(__name__)
+
 
 class GoogleCloudStorageBucket(object):
     """Cloud Storage bucket interface. We create a bucket for every project. In
@@ -176,6 +179,10 @@ def update_file_name(node):
             _, override_ext = os.path.splitext(v['file_path'])
             name = _format_name(node['name'], override_ext, v['size'], map_type=map_type)
             blob = storage.Get(v['file_path'], to_dict=False)
+            if blob is None:
+                log.info('Unable to find blob for file %s in project %s. This can happen if the '
+                         'video encoding is still processing.', v['file_path'], node['project'])
+                continue
             storage.update_name(blob, name)
 
     # Currently we search for 'file' and 'files' keys in the object properties.