[tor-bugs] #26902 [Core Tor/Stem]: Download and parse bwauth files

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#26902: Download and parse bwauth files
------------------------------------+------------------------
 Reporter:  atagar                  |          Owner:  atagar
     Type:  enhancement             |         Status:  new
 Priority:  Medium                  |      Milestone:
Component:  Core Tor/Stem           |        Version:
 Severity:  Normal                  |     Resolution:
 Keywords:  descriptor, tor-bwauth  |  Actual Points:
Parent ID:                          |         Points:
 Reviewer:                          |        Sponsor:
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Comment (by juga):

 It should include a test that do something similar to:
 {{{
 >>>
 ... import stem.descriptor
 ... import stem.descriptor.remote
 ... import stem.directory
 >>> downloader = stem.descriptor.remote.DescriptorDownloader(
 ...   document_handler = stem.descriptor.DocumentHandler.DOCUMENT,
 ... )
 >>> resource = '/tor/status-vote/next/bandwidth'
 >>> query_args = {'endpoints': [('127.10.0.1', 2003)]}
 >>> bw = downloader.query(resource, **query_args)
 >>> bw.content
 b'1544811454\nversion=1.2.0\nearliest_bandwidth=2018-12-12T15:02:35\nfile_created=2018-12-15T08:09:48\ngenerator_started=2018-12-15T08:06:50\nlatest_bandwidth=2018-12-14T18:17:34\nminimum_number_eligible_relays=3820\nminimum_percent_eligible_relays=60\nnumber_consensus_relays=6366\nnumber_eligible_relays=0\npercent_eligible_relays=0\nsoftware=sbws\nsoftware_version=1.0.3-dev0\n====='
 >>> bw.compression
 ['identity']
 >>> resource = '/tor/status-vote/next/bandwidth.z'
 >>> bw = downloader.query(resource, **query_args)
 >>> bw.content
 b'1544811454\nversion=1.2.0\nearliest_bandwidth=2018-12-12T15:02:35\nfile_created=2018-12-15T08:09:48\ngenerator_started=2018-12-15T08:06:50\nlatest_bandwidth=2018-12-14T18:17:34\nminimum_number_eligible_relays=3820\nminimum_percent_eligible_relays=60\nnumber_consensus_relays=6366\nnumber_eligible_relays=0\npercent_eligible_relays=0\nsoftware=sbws\nsoftware_version=1.0.3-dev0\n====='
 >>> bw.compression
 ['gzip']
 }}}

 As commented in comment:48:ticket:21377

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/26902#comment:6>
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