text: #!/usr/bin/env python2
  
  # This script tests that the package mirror at https://zel.cash/depends-sources/
  # contains all of the packages required to build this version of Moonroomcash.
  #
  # This script assumes you've just built Moonroomcash, and that as a result of that
  # build, all of the dependency packages have been downloaded into the
  # depends/sources directory (inside the root of this repository). The script
  # checks that all of those files are accessible on the mirror.
  
  import sys
  import os
  import requests
  
  MIRROR_URL_DIR="https://zel.cash/depends-sources/"
  DEPENDS_SOURCES_DIR=os.path.realpath(os.path.join(
      os.path.dirname(__file__),
      "..", "..", "depends", "sources"
  ))
  
  def get_depends_sources_list():
      return filter(
  	lambda f: os.path.isfile(os.path.join(DEPENDS_SOURCES_DIR, f)),
  	os.listdir(DEPENDS_SOURCES_DIR)
      )
  
  for filename in get_depends_sources_list():
      resp = requests.head(MIRROR_URL_DIR + filename)
  
      print "Checking [" + filename + "] ..."
  
      if resp.status_code != 200:
  	print "FAIL. File not found on server: " + filename
  	sys.exit(1)
  
      expected_size = os.path.getsize(os.path.join(DEPENDS_SOURCES_DIR, filename))
      server_size = int(resp.headers['Content-Length'])
      if expected_size != server_size:
  	print "FAIL. On the server, %s is %d bytes, but locally it is %d bytes." % (filename, server_size, expected_size)
  	sys.exit(1)
  
  print "PASS."
  sys.exit(0)
  