elog/mod_save_summary: wrap IOError, bug #441948

diff --git a/pym/portage/elog/mod_save_summary.py b/pym/portage/elog/mod_save_summary.py
index 347f66e6ec7299846c5eceded8fee14bcdddcb76..3ad1dd3b8ba9a5b2a827121834e87b8cf3a5c862 100644 (file)
--- a/pym/portage/elog/mod_save_summary.py
+++ b/pym/portage/elog/mod_save_summary.py
@@ -1,7 +1,8 @@
 # elog/mod_save_summary.py - elog dispatch module
-# Copyright 2006-2011 Gentoo Foundation
+# Copyright 2006-2012 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
+import errno
 import io
 import time
 import portage
@@ -37,9 +38,21 @@ def process(mysettings, key, logentries, fulltext):
 
        # TODO: Locking
        elogfilename = elogdir+"/summary.log"
-       elogfile = io.open(_unicode_encode(elogfilename,
-               encoding=_encodings['fs'], errors='strict'),
-               mode='a', encoding=_encodings['content'], errors='backslashreplace')
+       try:
+               elogfile = io.open(_unicode_encode(elogfilename,
+                       encoding=_encodings['fs'], errors='strict'),
+                       mode='a', encoding=_encodings['content'],
+                       errors='backslashreplace')
+       except IOError as e:
+               func_call = "open('%s', 'a')" % elogfilename
+               if e.errno == errno.EACCES:
+                       raise portage.exception.PermissionDenied(func_call)
+               elif e.errno == errno.EPERM:
+                       raise portage.exception.OperationNotPermitted(func_call)
+               elif e.errno == errno.EROFS:
+                       raise portage.exception.ReadOnlyFileSystem(func_call)
+               else:
+                       raise
 
        # Copy group permission bits from parent directory.
        elogdir_st = os.stat(elogdir)