frontends: incoming files transfer management:

- quick app: getWaitingConf is used on profile connexion
    - primitivus: askConfirmation is now managed, use new 'dir' style of FileDialog

frontends/src/quick_frontend/quick_utils.py

@@ -20,6 +20,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 """
 
 from sat.tools.jid  import JID
+from os.path import exists, splitext
 
 def escapePrivate(ori_jid):
     """Escape a private jid"""
@@ -31,3 +32,16 @@ def unescapePrivate(escaped_jid):
     escaped_split = tuple(escaped_jid[len(const_PRIVATE_PREFIX):].split('@'))
     assert(len(escaped_split) == 3)
     return JID("%s@%s/%s" % escaped_split)
+
+def getNewPath(path):
+    """ Check if path exists, and find a non existant path if needed """
+    idx = 2
+    if not exists(path):
+        return path
+    root, ext = splitext(path)
+    while True:
+        new_path = "%s_%d%s" % (root, idx, ext)
+        if not exists(new_path):
+            return new_path
+        idx+=1
+