...

src/calibre/devices/usbobserver/usbobserver.c

@@ -25,6 +25,7 @@
 #include <stdio.h>
 
 #include <CoreFoundation/CFNumber.h>
+#include <CoreServices/CoreServices.h>
 #include <IOKit/usb/IOUSBLib.h>
 #include <IOKit/IOCFPlugIn.h>
 #include <IOKit/IOKitLib.h>
@@ -52,6 +53,28 @@
 
 #define NUKE(x) Py_XDECREF(x); x = NULL;
 
+/* This function only works on 10.5 and later
+static PyObject* send2trash(PyObject *self, PyObject *args)
+{
+    UInt8 *utf8_chars;
+    FSRef fp;
+    OSStatus op_result;
+
+    if (!PyArg_ParseTuple(args, "es", "utf-8", &utf8_chars)) {
+        return NULL;
+    }
+
+    FSPathMakeRefWithOptions(utf8_chars, kFSPathMakeRefDoNotFollowLeafSymlink, &fp, NULL);
+    op_result = FSMoveObjectToTrashSync(&fp, NULL, kFSFileOperationDefaultOptions);
+    PyMem_Free(utf8_chars);
+    if (op_result != noErr) {
+        PyErr_SetString(PyExc_OSError, GetMacOSStatusCommentString(op_result));
+        return NULL;
+    }
+    Py_RETURN_NONE;
+}
+*/
+
 static PyObject*
 usbobserver_get_iokit_string_property(io_service_t dev, CFStringRef prop) {
     CFTypeRef PropRef;

src/calibre/gui2/ui.py

@@ -1684,7 +1684,7 @@ class Main(MainWindow, Ui_MainWindow, DeviceGUI):
                 src_ids.append(id_)
                 dbfmts = m.db.formats(id_, index_is_id=True)
                 if dbfmts:
-                    for fmt in dbfmts:
+                    for fmt in dbfmts.split(','):
                         src_books.append(m.db.format_abspath(id_, fmt,
                             index_is_id=True))
         return [dest_id, src_books, src_ids]