René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"PubSub client example: StatusCode.PERMISSION_DENIED","articleBody":"## In which file did you encounter the issue?\r\nhttps://github.com/GoogleCloudPlatform/python-docs-samples/blob/master/pubsub/cloud-client/publisher.py\r\n\r\n### Did you change the file? If so, how?\r\n\r\nNope.\r\n\r\n## Describe the issue\r\n\r\n```\r\n$ python publisher.py list\r\nTraceback (most recent call last):\r\n  File \"publisher.py\", line 93, in \u003cmodule\u003e\r\n    list_topics()\r\n  File \"publisher.py\", line 33, in list_topics\r\n    for topic in pubsub_client.list_topics():\r\n  File \"/usr/local/lib/python2.7/dist-packages/google/cloud/iterator.py\", line 210, in _items_iter\r\n    for page in self._page_iter(increment=False):\r\n  File \"/usr/local/lib/python2.7/dist-packages/google/cloud/iterator.py\", line 239, in _page_iter\r\n    page = self._next_page()\r\n  File \"/usr/local/lib/python2.7/dist-packages/google/cloud/iterator.py\", line 437, in _next_page\r\n    items = six.next(self._gax_page_iter)\r\n  File \"/usr/local/lib/python2.7/dist-packages/google/gax/__init__.py\", line 435, in next\r\n    return self.__next__()\r\n    errors.create_error('RPC failed', cause=exception))\r\ngoogle.gax.errors.GaxError: GaxError(RPC failed, caused by \u003c_Rendezvous of RPC that terminated with (StatusCode.PERMISSION_DENIED, User not authorized to perform this action.)\u003e)\r\n```\r\nRunning the `pubsub.projects.topics.list` api from https://developers.google.com/apis-explorer workst just fine.\r\n\r\nI'm running this inside the Cloud Shell on a project with Cloud Pub/Sub API enabled and some topics set up. `gcloud auth list` shows my account, `cloud auth login` greatly discourages me to use it inside a Cloud Shell so I haven't tried refreshing my credentials. ","author":{"url":"https://github.com/bluecmd","@type":"Person","name":"bluecmd"},"datePublished":"2016-12-03T18:39:37.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":8},"url":"https://github.com/697/python-docs-samples/issues/697"}