Improve error output of the performupgrade command.

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>

mayan/apps/common/management/commands/performupgrade.py

@@ -1,6 +1,7 @@
 from __future__ import unicode_literals
 
 from django.core import management
+from django.core.management.base import CommandError
 
 from ...signals import perform_upgrade, post_upgrade
 
@@ -11,5 +12,20 @@ class Command(management.BaseCommand):
     def handle(self, *args, **options):
         management.call_command('migrate', fake_initial=True, interactive=False)
         management.call_command('purgeperiodictasks', interactive=False)
-        perform_upgrade.send(sender=self)
-        post_upgrade.send(sender=self)
+
+        try:
+            perform_upgrade.send(sender=self)
+        except Exception as exception:
+            raise CommandError(
+                'Error executing upgrade task; %s' % exception
+            )
+
+        try:
+            post_upgrade.send(sender=self)
+        except Exception as exception:
+            raise CommandError(
+                'Error executing post-upgrade task; %s' % exception
+            )
+
+
+

mayan/apps/document_signatures/tasks.py

@@ -73,4 +73,11 @@ def task_verify_document_version(self, document_version_pk):
     )
 
     document_version = DocumentVersion.objects.get(pk=document_version_pk)
-    EmbeddedSignature.objects.create(document_version=document_version)
+    try:
+        EmbeddedSignature.objects.create(document_version=document_version)
+    except IOError as exception:
+        error_message = 'File missing for document version ID {}; {}'.format(
+            document_version_pk, exception
+        )
+        logger.error(error_message)
+        raise IOError(error_message)