def _download_jobtype(cls, name, version):
"""
Downloads the job type specified in ``assignment``. This
method will pass the response it receives to :meth:`_cache_jobtype`
however failures will be retried.
"""
logger.debug("Downloading job type %r version %s", name, version)
url = str(cls.JOBTYPE_VERSION_URL % {"master_api": config["master_api"], "name": name, "version": version})
result = Deferred()
download = lambda *_: get(
url, callback=result.callback, errback=lambda *_: reactor.callLater(http_retry_delay(), download)
)
download()
return result
def test_unknown_hostname(self):
return get(self.HTTP_SCHEME + "://%s/" % os.urandom(8).encode("hex"),
callback=lambda _: self.fail("Unexpected success"),
errback=lambda failure:
self.assertIs(failure.type, DNSLookupError))
def get(self, url, **kwargs):
return get(self.get_url(url), **kwargs)