[Treepkg-commits] r195 - trunk/treepkg

[scm-commit@wald.intevation.org]

Author: bh
Date: 2009-05-06 15:54:04 +0200 (Wed, 06 May 2009)
New Revision: 195

Modified:
   trunk/treepkg/subversion.py
Log:
Make treepkg.subversion.last_changed_revision raise SubversionError if
the last changed revision cannot be determined.


Modified: trunk/treepkg/subversion.py
===================================================================
--- trunk/treepkg/subversion.py	2009-05-06 13:52:26 UTC (rev 194)
+++ trunk/treepkg/subversion.py	2009-05-06 13:54:04 UTC (rev 195)
@@ -15,6 +15,9 @@
 from util import extract_value_for_key
 
 
+class SubversionError(Exception):
+    pass
+
 def list_url(url):
     """Runs svn list with the given url and returns files listed as a list"""
     output = run.capture_output(cmdexpand("svn list $url", **locals()))
@@ -60,8 +63,11 @@
     output = run.capture_output(cmdexpand("svn info $svn_working_copy",
                                           **locals()),
                                 env=env)
-    return int(extract_value_for_key(output.splitlines(),
-                                     "Last Changed Rev:"))
+    str_rev = extract_value_for_key(output.splitlines(), "Last Changed Rev:")
+    if str_rev is None:
+        raise SubversionError("Cannot determine last changed revision for %r"
+                              % svn_working_copy)
+    return int(str_rev)
 
 
 class SvnRepository(object):