add notes on python error, and install location

git-svn-id: svn://svn.oetiker.ch/rrdtool/branches/1.2/program@550 a5681a0c-68f1-0310-ab6d-d61299d08faa

diff --git a/doc/rrdpython.pod b/doc/rrdpython.pod
index a158577..2d63426 100644 (file)
--- a/doc/rrdpython.pod
+++ b/doc/rrdpython.pod
@@ -18,6 +18,7 @@ to the other B<rrdtool> documentation for functions and valid arguments.
 
 =head1 EXAMPLE
 
+ sys.path.append('/path/to/rrdtool/lib/python2.3/site-packages/')
  import rrdtool, tempfile
 
  DAY = 86400
@@ -40,6 +41,11 @@ to the other B<rrdtool> documentation for functions and valid arguments.
  print info['last_update']
  print info['ds']['downloads']['minimal_heartbeat']
 
+If you use the B<site-python-install> make target you can drop to first sys.path.append
+line since the rrdtool module will be available everywhere.
+
+If rrdtool runs into trouble, it will throw an exception which you might want to catch.
+
 =head1 SEE ALSO
 
 rrdcreate, rrdupdate, rrdgraph, rrddump, rrdfetch, rrdtune, rrdlast,