X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/a04ea95e79c60ed2a54eaec5b5c2e235fe39ef9a..ba34a22d9918ae97306472c04701e69090821c82:/sdk/python/arvados/errors.py

diff --git a/sdk/python/arvados/errors.py b/sdk/python/arvados/errors.py
index 3629520a4d..15b1f6d4b9 100644
--- a/sdk/python/arvados/errors.py
+++ b/sdk/python/arvados/errors.py
@@ -1,7 +1,10 @@
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 # errors.py - Arvados-specific exceptions.
 
 import json
-import requests
 
 from apiclient import errors as apiclient_errors
 from collections import OrderedDict
@@ -9,7 +12,7 @@ from collections import OrderedDict
 class ApiError(apiclient_errors.HttpError):
     def _get_reason(self):
         try:
-            return '; '.join(json.loads(self.content)['errors'])
+            return '; '.join(json.loads(self.content.decode('utf-8'))['errors'])
         except (KeyError, TypeError, ValueError):
             return super(ApiError, self)._get_reason()
 
@@ -38,7 +41,7 @@ class KeepRequestError(Exception):
         self._request_errors = OrderedDict(request_errors)
         if self._request_errors:
             exc_reports = [self._format_error(*err_pair)
-                           for err_pair in self._request_errors.iteritems()]
+                           for err_pair in self._request_errors.items()]
             base_msg = "{}: {}".format(message, "; ".join(exc_reports))
         else:
             base_msg = message
@@ -46,7 +49,7 @@ class KeepRequestError(Exception):
         self.message = message
 
     def _format_error(self, key, error):
-        if isinstance(error, requests.Response):
+        if isinstance(error, HttpError):
             err_fmt = "{} {} responded with {e.status_code} {e.reason}"
         else:
             err_fmt = "{} {} raised {e.__class__.__name__} ({e})"
@@ -61,6 +64,12 @@ class KeepRequestError(Exception):
         return self._request_errors
 
 
+class HttpError(Exception):
+    def __init__(self, status_code, reason):
+        self.status_code = status_code
+        self.reason = reason
+
+
 class ArgumentError(Exception):
     pass
 class SyntaxError(Exception):
@@ -73,6 +82,8 @@ class KeepReadError(KeepRequestError):
     pass
 class KeepWriteError(KeepRequestError):
     pass
+class KeepCacheError(KeepRequestError):
+    pass
 class NotFoundError(KeepReadError):
     pass
 class NotImplementedError(Exception):