Fix some temp file leaks.

shell/view/Shell.py

@@ -197,14 +197,20 @@ class Shell(gobject.GObject):
         screenshot.get_from_drawable(window, window.get_colormap(), x_orig, y_orig, 0, 0,
                                      width, height)
         screenshot.save(file_path, "png")
-
-        jobject = datastore.create()
-        jobject.metadata['title'] = _('Screenshot')
-        jobject.metadata['keep'] = '0'
-        jobject.metadata['buddies'] = ''
-        jobject.metadata['preview'] = ''
-        jobject.metadata['icon-color'] = profile.get_color().to_string()
-        jobject.metadata['mime_type'] = 'image/png'
-        jobject.file_path = file_path
-        datastore.write(jobject)
+        try:
+            jobject = datastore.create()
+            try:
+                jobject.metadata['title'] = _('Screenshot')
+                jobject.metadata['keep'] = '0'
+                jobject.metadata['buddies'] = ''
+                jobject.metadata['preview'] = ''
+                jobject.metadata['icon-color'] = profile.get_color().to_string()
+                jobject.metadata['mime_type'] = 'image/png'
+                jobject.file_path = file_path
+                datastore.write(jobject)
+            finally:
+                datastore.destroy()
+                del datastore
+        finally:
+            os.remove(file_path)
 

sugar/activity/activity.py

@@ -234,6 +234,7 @@ class Activity(Window, gtk.Container):
                 self._internal_joined_cb(self._shared_activity, True, None)
 
         self._bus = ActivityService(self)
+        self._owns_file = False
 
         if handle.object_id:
             self._jobject = datastore.get(handle.object_id)
@@ -346,9 +347,13 @@ class Activity(Window, gtk.Container):
         else:
             self.metadata['preview'] = self._preview
         try:
-            file_path = os.path.join(tempfile.gettempdir(), '%i' % time.time())
-            self.write_file(file_path)
-            self._jobject.file_path = file_path
+            if self._jobject.file_path:
+                self.write_file(self._jobject.file_path)
+            else:
+                file_path = os.path.join(tempfile.gettempdir(), '%i' % time.time())
+                self.write_file(file_path)
+                self._owns_file = True
+                self._jobject.file_path = file_path
         except NotImplementedError:
             pass
         datastore.write(self._jobject,
@@ -409,6 +414,13 @@ class Activity(Window, gtk.Container):
 
         self._preview = self._get_preview()
         self.save()
+        
+        if self._jobject:
+            if self._owns_file and os.path.isfile(self._jobject.file_path):
+                os.remove(self._jobject.file_path)
+            self._owns_file = False
+            self._jobject.destroy()
+            self._jobject = None
 
     def get_metadata(self):
         if self._jobject:

sugar/datastore/datastore.py

@@ -17,6 +17,7 @@
 
 import logging
 from datetime import datetime
+import os
 
 import gobject
 
@@ -62,11 +63,13 @@ class DSMetadata(gobject.GObject):
     def get_dictionary(self):
         return self._props
 
-class DSObject:
+class DSObject(object):
     def __init__(self, object_id, metadata=None, file_path=None):
         self.object_id = object_id
         self._metadata = metadata
         self._file_path = file_path
+        self._destroyed = False
+        self._owns_file = False
 
     def get_metadata(self):
         if self._metadata is None and not self.object_id is None:
@@ -83,10 +86,15 @@ class DSObject:
     def get_file_path(self):
         if self._file_path is None and not self.object_id is None:
             self.set_file_path(dbus_helpers.get_filename(self.object_id))
+            self._owns_file = True
         return self._file_path
     
     def set_file_path(self, file_path):
         if self._file_path != file_path:
+            if self._file_path and self._owns_file:
+                if os.path.isfile(self._file_path):
+                    os.remove(self._file_path)
+                self._owns_file = False
             self._file_path = file_path
 
     file_path = property(get_file_path, set_file_path)
@@ -126,6 +134,26 @@ class DSObject:
 
             activityfactory.create(service_name, handle)
 
+    def destroy(self):
+        logging.debug('DSObject.destroy() file_path: %r.' % self._file_path)
+        if self._destroyed:
+            logging.warning('This DSObject has already been destroyed!.')
+            import pdb;pdb.set_trace()
+            return
+        self._destroyed = True
+        if self._file_path and self._owns_file:
+            logging.debug('Removing temp file: %r' % self._file_path)
+            if os.path.isfile(self._file_path):
+                os.remove(self._file_path)
+            self._owns_file = False
+        self._file_path = None
+
+    def __del__(self):
+        if not self._destroyed:
+            logging.warning('DSObject was deleted without cleaning up first. ' \
+                            'Please call DSObject.destroy() before disposing it.')
+            self.destroy()
+
 def get(object_id):
     logging.debug('datastore.get')
     metadata = dbus_helpers.get_properties(object_id)
@@ -145,10 +173,6 @@ def write(ds_object, update_mtime=True, reply_handler=None, error_handler=None):
     logging.debug('datastore.write')
 
     properties = ds_object.metadata.get_dictionary().copy()
-    # The title property should be sent as a 'text' property so it gets indexed
-    if properties.has_key('title'):
-        properties['title:text'] = properties['title']
-        del properties['title']
 
     if update_mtime:
         properties['mtime'] = datetime.now().isoformat()