old_contents: from __future__ import unicode_literals
  from .responses import S3BucketPathResponseInstance as ro
  
  url_bases = [
      "https?://s3.amazonaws.com"
  ]
  
  
  def bucket_response2(*args):
      return ro.bucket_response(*args)
  
  
  def bucket_response3(*args):
      return ro.bucket_response(*args)
  
  url_paths = {
      '{0}/$': bucket_response3,
      '{0}/(?P<bucket_name>[a-zA-Z0-9\-_.]+)$': ro.bucket_response,
      '{0}/(?P<bucket_name>[a-zA-Z0-9\-_.]+)/$': bucket_response2,
      '{0}/(?P<bucket_name>[a-zA-Z0-9\-_./]+)/(?P<key_name>.+)': ro.key_response
  }
  
new_contents: from __future__ import unicode_literals
  from .responses import S3BucketPathResponseInstance as ro
  
  url_bases = [
      "https?://s3(.*).amazonaws.com"
  ]
  
  
  def bucket_response2(*args):
      return ro.bucket_response(*args)
  
  
  def bucket_response3(*args):
      return ro.bucket_response(*args)
  
  url_paths = {
      '{0}/$': bucket_response3,
      '{0}/(?P<bucket_name>[a-zA-Z0-9\-_.]+)$': ro.bucket_response,
      '{0}/(?P<bucket_name>[a-zA-Z0-9\-_.]+)/$': bucket_response2,
      '{0}/(?P<bucket_name>[a-zA-Z0-9\-_./]+)/(?P<key_name>.+)': ro.key_response
  }
  
subject: Allow passing of region name to s3bucket_path url for eu-central-1. cc ##348.