[voice] using baidu service to gen reply voice

common/tmp_dir.py

@@ -0,0 +1,20 @@
+
+import os
+import pathlib
+from config import conf
+
+
+class TmpDir(object):
+    """A temporary directory that is deleted when the object is destroyed.
+    """
+
+    tmpFilePath = pathlib.Path('./tmp/')
+    
+    def __init__(self):
+        pathExists = os.path.exists(self.tmpFilePath)
+        if not pathExists and conf().get('speech_recognition') == True:
+            os.makedirs(self.tmpFilePath)
+
+    def path(self):
+        return str(self.tmpFilePath) + '/'
+