--- a/env/lib/python3.7/site-packages/galaxy/util/streamball.py	Thu May 14 16:47:39 2020 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,82 +0,0 @@
-"""
-A simple wrapper for writing tarballs as a stream.
-"""
-from __future__ import absolute_import
-
-import logging
-import os
-import tarfile
-
-from galaxy.exceptions import ObjectNotFound
-from .path import safe_walk
-
-log = logging.getLogger(__name__)
-
-
-class StreamBall(object):
-    def __init__(self, mode, members=None):
-        self.members = members
-        if members is None:
-            self.members = []
-        self.mode = mode
-        self.wsgi_status = None
-        self.wsgi_headeritems = None
-
-    def add(self, file, relpath, check_file=False):
-        if check_file and len(file) > 0:
-            if not os.path.isfile(file):
-                raise ObjectNotFound
-            else:
-                self.members.append((file, relpath))
-        else:
-            self.members.append((file, relpath))
-
-    def stream(self, environ, start_response):
-        response_write = start_response(self.wsgi_status, self.wsgi_headeritems)
-
-        class tarfileobj(object):
-            def write(self, *args, **kwargs):
-                response_write(*args, **kwargs)
-        tf = tarfile.open(mode=self.mode, fileobj=tarfileobj())
-        for (file, rel) in self.members:
-            tf.add(file, arcname=rel)
-        tf.close()
-        return []
-
-
-class ZipBall(object):
-    def __init__(self, tmpf, tmpd):
-        self._tmpf = tmpf
-        self._tmpd = tmpd
-
-    def stream(self, environ, start_response):
-        response_write = start_response(self.wsgi_status, self.wsgi_headeritems)
-        tmpfh = open(self._tmpf)
-        response_write(tmpfh.read())
-        tmpfh.close()
-        try:
-            os.unlink(self._tmpf)
-            os.rmdir(self._tmpd)
-        except OSError:
-            log.exception("Unable to remove temporary library download archive and directory")
-        return []
-
-
-def stream_archive(trans, path, upstream_gzip=False):
-    archive_type_string = 'w|gz'
-    archive_ext = 'tgz'
-    if upstream_gzip:
-        archive_type_string = 'w|'
-        archive_ext = 'tar'
-    archive = StreamBall(mode=archive_type_string)
-    for root, directories, files in safe_walk(path):
-        for filename in files:
-            p = os.path.join(root, filename)
-            relpath = os.path.relpath(p, os.path.join(path, os.pardir))
-            archive.add(file=os.path.join(path, p), relpath=relpath)
-    archive_name = "%s.%s" % (os.path.basename(path), archive_ext)
-    trans.response.set_content_type("application/x-tar")
-    trans.response.headers["Content-Disposition"] = 'attachment; filename="{}"'.format(archive_name)
-    archive.wsgi_status = trans.response.wsgi_status()
-    archive.wsgi_headeritems = trans.response.wsgi_headeritems()
-    return archive.stream