Fix unprintable message with BatchError repr (#165)

Author: ittus

googleapiclient/errors.py

@@ -126,6 +126,9 @@ def __init__(self, reason, resp=None, content=None):
     self.reason = reason
 
   def __repr__(self):
+    if getattr(self.resp, 'status', None) is None:
+      return '<BatchError "%s">' % (self.reason)
+    else:
       return '<BatchError %s "%s">' % (self.resp.status, self.reason)
 
   __str__ = __repr__

tests/test_http.py

@@ -1053,7 +1053,9 @@ def test_add_fail_for_resumable(self):
     upload = MediaFileUpload(
         datafile('small.png'), chunksize=500, resumable=True)
     self.request1.resumable = upload
-    self.assertRaises(BatchError, batch.add, self.request1, request_id='1')
+    with self.assertRaises(BatchError) as batch_error:
+      batch.add(self.request1, request_id='1')
+    str(batch_error.exception)
 
   def test_execute_empty_batch_no_http(self):
     batch = BatchHttpRequest()