[google-appengine] Error when using google.cloud.logging with logging.v1.RequestLog?

[Julian Bunn]

Right now we cannot use the request_logs feature for downloading our GAE 
logs (see my other thread on that problem!), so I thought I would try the 
newer google.cloud features, and get modern :-)

Here is the simple test I tried:

from google.cloud import logging
from google.cloud.logging import DESCENDING
def main():
    client = logging.Client() 
    for entry in client.list_entries(order_by=DESCENDING):
        print entry
if __name__ == '__main__':
    main()

When executing this (after setting up the gcloud credentials), there seems 
to be a problem parsing the log entries:

python GetLogsCloud.py
Traceback (most recent call last):
  File "GetLogsCloud.py", line 25, in <module>
    main()
  File "GetLogsCloud.py", line 18, in main
    for entry in client.list_entries(order_by=DESCENDING):
  File "c:\python27\lib\site-packages\google\cloud\iterator.py", line 219, 
in _items_iter
    for item in page:
  File "c:\python27\lib\site-packages\google\cloud\iterator.py", line 163, 
in next
    result = self._item_to_value(self._parent, item)
  File "c:\python27\lib\site-packages\google\cloud\logging\_gax.py", line 
488, in _item_to_entry
    resource = MessageToDict(entry_pb)
  File "c:\python27\lib\site-packages\google\protobuf\json_format.py", line 
133, in MessageToDict
    return printer._MessageToJsonObject(message)
  File "c:\python27\lib\site-packages\google\protobuf\json_format.py", line 
164, in _MessageToJsonObject
    return self._RegularMessageToJsonObject(message, js)
  File "c:\python27\lib\site-packages\google\protobuf\json_format.py", line 
196, in _RegularMessageToJsonObject
    js[name] = self._FieldToJsonObject(field, value)
  File "c:\python27\lib\site-packages\google\protobuf\json_format.py", line 
230, in _FieldToJsonObject
    return self._MessageToJsonObject(value)
  File "c:\python27\lib\site-packages\google\protobuf\json_format.py", line 
162, in _MessageToJsonObject
    return methodcaller(_WKTJSONMETHODS[full_name][0], message)(self)
  File "c:\python27\lib\site-packages\google\protobuf\json_format.py", line 
266, in _AnyMessageToJsonObject
    sub_message = _CreateMessageFromTypeUrl(type_url)
  File "c:\python27\lib\site-packages\google\protobuf\json_format.py", line 
341, in _CreateMessageFromTypeUrl
    'Can not find message descriptor by type_url: {0}.'.format(type_url))
TypeError: Can not find message descriptor by type_url: 
type.googleapis.com/google.appengine.logging.v1.RequestLog.

I'm wondering what the issue is here ... is it because of the type of 
logging we use on GAE?

Thanks!

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