# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1414767555 -3600
# Node ID 10b7db36b35e5005b552cad18bbbe21866d2708b
# Parent  7960e22f96a7966756656d5d5cdcf8be929541b6
Prevent chmod failures from causing broader failures.

diff -r 7960e22f96a7 -r 10b7db36b35e imip_store.py
--- a/imip_store.py	Fri Oct 31 00:33:39 2014 +0100
+++ b/imip_store.py	Fri Oct 31 15:59:15 2014 +0100
@@ -9,6 +9,12 @@
 def check_dir(base, dir):
     return commonprefix([base, abspath(dir)]) == base
 
+def fix_permissions(filename):
+    try:
+        chmod(filename, 0660)
+    except OSError:
+        pass
+
 def make_calendar(fragment, method=None):
     return ("VCALENDAR", {},
             (method and [("METHOD", {}, method)] or []) +
@@ -80,7 +86,7 @@
             to_stream(f, node)
         finally:
             f.close()
-            chmod(filename, 0660)
+            fix_permissions(filename)
 
         return True
 
@@ -115,7 +121,7 @@
                 f.write("\t".join(item) + "\n")
         finally:
             f.close()
-            chmod(filename, 0660)
+            fix_permissions(filename)
 
         return True
 
@@ -147,7 +153,7 @@
                 print >>f, request
         finally:
             f.close()
-            chmod(filename, 0660)
+            fix_permissions(filename)
 
         return True
 
@@ -164,7 +170,7 @@
             print >>f, request
         finally:
             f.close()
-            chmod(filename, 0660)
+            fix_permissions(filename)
 
         return True
 
@@ -209,7 +215,7 @@
             to_stream(f, make_calendar([("VFREEBUSY", {}, record)], "PUBLISH"))
         finally:
             f.close()
-            chmod(filename, 0660)
+            fix_permissions(filename)
 
         return True