[conduit] Catch errors when adding a gio monitor to a file that does not support monitoring fails

[John Stowers <jstowers src gnome org>]

commit bb6005a2ec44a5ec70ae6c49b7a9aa41f6c68268
Author: John Stowers <john nzjrs-desktop (none)>
Date:   Wed Apr 8 10:14:09 2009 +1200

    Catch errors when adding a gio monitor to a file that does not support monitoring fails
---
 ChangeLog                   |    5 +++++
 conduit/platform/FileGio.py |   13 ++++++++-----
 2 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index c49923c..d414f27 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2009-04-08 John Stowers  <john stowers gmail com>
+
+	* conduit/platform/FileGio.py:
+	Catch errors when failing to add a file monitor.
+
 2009-03-17  Alexandre Rosenfeld  <airmind gmail com>
 
 	* conduit/gtkui/ConfigContainer.py:
diff --git a/conduit/platform/FileGio.py b/conduit/platform/FileGio.py
index f056d8f..54bb3bc 100644
--- a/conduit/platform/FileGio.py
+++ b/conduit/platform/FileGio.py
@@ -305,12 +305,15 @@ class FileMonitor(conduit.platform.FileMonitor):
         self.emit("changed", f1.get_uri(), event)
 
     def add(self, URI, monitorType):
-        if monitorType == self.MONITOR_DIRECTORY:
-            self._fm = gio.File(URI).monitor_directory()
-        else:
-            self._fm = gio.File(URI).monitor_file()
+        try:
+            if monitorType == self.MONITOR_DIRECTORY:
+                self._fm = gio.File(URI).monitor_directory()
+            else:
+                self._fm = gio.File(URI).monitor_file()
 
-        self._fm.connect("changed", self._on_change)
+            self._fm.connect("changed", self._on_change)
+        except gio.Error:
+            log.warn("Could not add monitor", exc_info=True)
 
     def cancel(self):
         if self._fm: