rss2email: raise error on import with Python < 3.2.

rss2email won't work with older Pythons.  Avoid user confusion due to
API-breakage error messages [1] by bailing explicitly up front.

[1]; http://forums.macrumors.com/showthread.php?t=1216694

diff --git a/rss2email/__init__.py b/rss2email/__init__.py
index b1eaad32442ac76264011148661999c8c10e1421..37dc4142d824de1a956b73e69d400d5e22927275 100644 (file)
--- a/rss2email/__init__.py
+++ b/rss2email/__init__.py
@@ -18,6 +18,7 @@
 """
 
 import logging as _logging
+import sys as _sys
 
 
 __version__ = '2.71'
@@ -40,3 +41,9 @@ __contributors__ = [
 LOG = _logging.getLogger('rss2email')
 LOG.addHandler(_logging.StreamHandler())
 LOG.setLevel(_logging.ERROR)
+
+
+if _sys.version_info < (3, 2):
+    raise ImportError(
+        "rss2email requires Python 3.2, but you're using:\n{}".format(
+            _sys.version))