René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"discovery_cache module not packaged during installation.","articleBody":"I've installed `google-api-python-client` from source, but when at some point my application was failing with this message:\n\n```\n  ...\n  ...\n  File \"build/bdist.linux-x86_64/egg/oauth2client/util.py\", line 142, in positional_wrapper\n    return wrapped(*args, **kwargs)\n  File \"build/bdist.linux-x86_64/egg/googleapiclient/discovery.py\", line 193, in build\n    content = _retrieve_discovery_doc(requested_url, http, cache_discovery, cache)\n  File \"build/bdist.linux-x86_64/egg/googleapiclient/discovery.py\", line 215, in _retrieve_discovery_doc\n    from . import discovery_cache\nImportError: cannot import name discovery_cache\n```\n\nI've checked if `discovery_cache` module was actually part of the `egg`, and unfortunately it was not:\n\n```\n[root@e42fb97ce657 unit]# python\nPython 2.7.5 (default, Jun 24 2015, 00:41:19) \n[GCC 4.8.3 20140911 (Red Hat 4.8.3-9)] on linux2\nType \"help\", \"copyright\", \"credits\" or \"license\" for more information.\n\u003e\u003e\u003e import googleapiclient.discovery_cache\nTraceback (most recent call last):\n  File \"\u003cstdin\u003e\", line 1, in \u003cmodule\u003e\nImportError: No module named discovery_cache\n\u003e\u003e\u003e \n```\n\nHere are all the files in `egg`\n\n```\n[root@e42fb97ce657 ~]# unzip -l /usr/lib/python2.7/site-packages/google_api_python_client-1.4.1-py2.7.egg \nArchive:  /usr/lib/python2.7/site-packages/google_api_python_client-1.4.1-py2.7.egg\n  Length      Date    Time    Name\n---------  ---------- -----   ----\n     1169  09-03-2015 16:09   apiclient/__init__.py\n     1301  09-03-2015 16:09   apiclient/__init__.pyc\n        1  09-03-2015 16:09   EGG-INFO/dependency_links.txt\n       62  09-03-2015 16:09   EGG-INFO/requires.txt\n       26  09-03-2015 16:09   EGG-INFO/top_level.txt\n      969  09-03-2015 16:09   EGG-INFO/PKG-INFO\n        1  09-03-2015 16:09   EGG-INFO/zip-safe\n      545  09-03-2015 16:09   EGG-INFO/SOURCES.txt\n    53575  09-03-2015 16:09   googleapiclient/http.py\n     9910  09-03-2015 16:09   googleapiclient/channel.py\n    40890  09-03-2015 16:09   googleapiclient/discovery.py\n     9907  09-03-2015 16:09   googleapiclient/schema.pyc\n      620  09-03-2015 16:09   googleapiclient/__init__.py\n     9317  09-03-2015 16:09   googleapiclient/schema.py\n    11830  09-03-2015 16:09   googleapiclient/model.py\n     4047  09-03-2015 16:09   googleapiclient/sample_tools.py\n     6552  09-03-2015 16:09   googleapiclient/mimeparse.py\n    53976  09-03-2015 16:09   googleapiclient/http.pyc\n     7043  09-03-2015 16:09   googleapiclient/mimeparse.pyc\n     6333  09-03-2015 16:09   googleapiclient/errors.pyc\n     3131  09-03-2015 16:09   googleapiclient/sample_tools.pyc\n     3622  09-03-2015 16:09   googleapiclient/errors.py\n    35534  09-03-2015 16:09   googleapiclient/discovery.pyc\n    14028  09-03-2015 16:09   googleapiclient/model.pyc\n      175  09-03-2015 16:09   googleapiclient/__init__.pyc\n    10690  09-03-2015 16:09   googleapiclient/channel.pyc\n---------                     -------\n   285254                     26 files\n[root@e42fb97ce657 ~]# \n```\n\nAs a workaround I had to add `googleapiclient/discovery_cache` to the `packages` in `setup.py` so it looked like that:\n\n```\n[root@e42fb97ce657 google-api-python-client]# more setup.py | grep packages -A 4 -m1\npackages = [\n    'apiclient',\n    'googleapiclient',\n    'googleapiclient/discovery_cache'\n]\n```\n\nThen installed and everything magically started working.\n\n```\n[root@e42fb97ce657 google-api-python-client]# python\nPython 2.7.5 (default, Jun 24 2015, 00:41:19) \n[GCC 4.8.3 20140911 (Red Hat 4.8.3-9)] on linux2\nType \"help\", \"copyright\", \"credits\" or \"license\" for more information.\n\u003e\u003e\u003e import googleapiclient.discovery_cache\n\u003e\u003e\u003e \n```\n\nHere is a quick sample that looks similar to my environment using `Docker`:\n\n```\nFROM centos:centos7\n\nRUN yum install -y git python-devel python-setuptools unzip\nRUN easy_install pip\nRUN cd /tmp ;\\\n    git clone https://github.com/google/google-api-python-client \u0026\u0026 \\\n    cd google-api-python-client \u0026\u0026 \\\n    python setup.py install \n```\n\nI've also tried to follow preferred suggestion from the `README.md` and install it from `pip` but it ended up in the same situation.\n\nPlease advice on how to proceed without making \"manual\" modifications to the official package?\n","author":{"url":"https://github.com/sergey-ob","@type":"Person","name":"sergey-ob"},"datePublished":"2015-09-03T18:59:26.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":4},"url":"https://github.com/128/google-api-python-client/issues/128"}