pkgloader module to be able to coexist with 2.x

Use scheme that pygtk uses to support parallel installations:

  import pkgloader
  pkgloader.require('skytools', '3.0')

  import skytools

This will allow keeping old module installed by default and new
version is used only by request.

1 files changed, 5 insertions, 2 deletions

diff --git a/scripts/queue_loader.py b/scripts/queue_loader.py
index 1b3090df..97742b82 100755
--- a/scripts/queue_loader.py
+++ b/scripts/queue_loader.py
@@ -79,10 +79,13 @@ Config template::
     create_sql =
 """
 
-import sys, time, skytools
+import sys, time
 
-from pgq.cascade.worker import CascadedWorker
+import pkgloader
+pkgloader.require('skytools', '3.0')
 
+import skytools
+from pgq.cascade.worker import CascadedWorker
 from skytools import quote_ident, quote_fqident, UsageError
 
 # todo: auto table detect