Update rs_token.py

增加“限定用户上传的文件类型”字段

Author: cloverstd

qiniu/rs/rs_token.py

@@ -22,6 +22,7 @@ class PutPolicy(object):
     saveKey = None
     insertOnly = None
     detectMime = None
+    mimeLimit = None
     fsizeLimit = None
     persistentNotifyUrl = None
     persistentOps = None
@@ -64,6 +65,9 @@ def token(self, mac=None):
 
         if self.detectMime is not None:
             token["detectMime"] = self.detectMime
+        
+        if self.mimeLimit is not None:
+            token["mimeLimit"] = self.mimeLimit
 
         if self.fsizeLimit is not None:
             token["fsizeLimit"] = self.fsizeLimit