Arvados

Attempting to upload a directory containing a file with non-ASCII characters in it's name causes arv-put to fail:

$ touch "foö.txt" 
$ ls
foö.txt
$ arv-put --version
/usr/bin/arv-put 1.2.1.20181130020805
$ arv-put .
2019-02-25 16:15:05 arvados.arv_put[99848] INFO: Calculating upload size, this could take some time...
2019-02-25 16:15:05 arvados.arv_put[99848] INFO: Creating new cache file at /home/tfmorris/.cache/arvados/arv-put/1772ebabb1791856f3faef5c84d335e2
0 Traceback (most recent call last):
  File "/usr/bin/arv-put", line 7, in <module>
    main()
  File "/usr/lib/python2.7/dist-packages/arvados/commands/put.py", line 1158, in main
    writer.start(save_collection=not(args.stream or args.raw))
  File "/usr/lib/python2.7/dist-packages/arvados/commands/put.py", line 601, in start
    self._local_collection.manifest_text()
  File "/usr/lib/python2.7/dist-packages/arvados/arvfile.py", line 273, in synchronized_wrapper
    return orig_func(self, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/arvados/collection.py", line 992, in manifest_text
    only_committed=only_committed)
  File "/usr/lib/python2.7/dist-packages/arvados/arvfile.py", line 273, in synchronized_wrapper
    return orig_func(self, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/arvados/collection.py", line 1038, in _get_manifest_text
    buf.append(self[dirname].manifest_text(stream_name=os.path.join(stream_name, dirname), strip=strip, normalize=True, only_committed=only_committed))
  File "/usr/lib/python2.7/dist-packages/arvados/arvfile.py", line 273, in synchronized_wrapper
    return orig_func(self, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/arvados/collection.py", line 992, in manifest_text
    only_committed=only_committed)
  File "/usr/lib/python2.7/dist-packages/arvados/arvfile.py", line 273, in synchronized_wrapper
    return orig_func(self, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/arvados/collection.py", line 1036, in _get_manifest_text
    buf.append(" ".join(normalize_stream(stream_name, stream)) + "\n")
  File "/usr/lib/python2.7/dist-packages/arvados/_normalize_stream.py", line 58, in normalize_stream
    stream_tokens.append("0:0:{0}".format(fout))
UnicodeEncodeError: 'ascii' codec can't encode character u'\xf6' in position 2: ordinal not in range(128)