添加MutexApiParameters异常类

Author: smallcode

chinaapi/utils/exceptions.py

@@ -56,6 +56,13 @@ def __init__(self, response, code=0, message='Request Api not found!'):
         super(NotExistApi, self).__init__(response, code, message)
 
 
+class MutexApiParameters(ApiError, ValueError):
+    """同时存在两个或两个以上互相排斥的参数"""
+
+    def __init__(self, key_list):
+        super(MutexApiParameters, self).__init__('', '', u'{0}参数只能选择其一'.format(','.join(key_list)))
+
+
 class OAuth2Error(ApiError):
     """OAuth2异常。"""
 

tests/utils/test_exceptions.py

@@ -1,6 +1,6 @@
 # coding=utf-8
 from unittest import TestCase
-from chinaapi.utils.exceptions import ApiError
+from chinaapi.utils.exceptions import ApiError, MutexApiParameters
 
 
 class ExceptionTest(TestCase):
@@ -12,3 +12,7 @@ def test_api_error_with_sub(self):
         error = ApiError('http://request_url', 404, 'Request Api not found!', 1000, 'sub error msg')
         self.assertEqual('[404]: Request Api not found!, [1000]: sub error msg, request: http://request_url',
                          str(error))
+
+    def test_mutex_api_parameters(self):
+        error = MutexApiParameters(['pic', 'pic_url'])
+        self.assertEqual(error.message, u'pic,pic_url参数只能选择其一')