def RealMain(argv, data=None):
  """The real main function.

  Args:
    argv: Command line arguments.
    data: Diff contents. If None (default) the diff is generated by
      the VersionControlSystem implementation returned by GuessVCS().

  Returns:
    A 2-tuple (issue id, patchset id).
    The patchset id is None if the base files are not uploaded by this
    script (applies only to SVN checkouts).
  """
  logging.basicConfig(format=("%(asctime).19s %(levelname)s %(filename)s:"
                              "%(lineno)s %(message)s "))
  os.environ['LC_ALL'] = 'C'
  options, args = parser.parse_args(argv[1:])
  global verbosity
  verbosity = options.verbose
  if verbosity >= 3:
    logging.getLogger().setLevel(logging.DEBUG)
  elif verbosity >= 2:
    logging.getLogger().setLevel(logging.INFO)
  vcs = GuessVCS(options)
  if isinstance(vcs, SubversionVCS):
    # base field is only allowed for Subversion.
    # Note: Fetching base files may become deprecated in future releases.
    base = vcs.GuessBase(options.download_base)
  else:
    base = None
  if not base and options.download_base:
    options.download_base = True
    logging.info("Enabled upload of base file")
  if not options.assume_yes:
    vcs.CheckForUnknownFiles()
  if data is None:
    data = vcs.GenerateDiff(args)
  files = vcs.GetBaseFiles(data)
  if verbosity >= 1:
    print "Upload server:", options.server, "(change with -s/--server)"
  if options.issue:
    prompt = "Message describing this patch set: "
  else:
    prompt = "New issue subject: "
  message = options.message or raw_input(prompt).strip()
  if not message:
    ErrorExit("A non-empty message is required")
  rpc_server = GetRpcServer(options)
  form_fields = [("subject", message)]
  if base:
    form_fields.append(("base", base))
  if options.issue:
    form_fields.append(("issue", str(options.issue)))
  if options.email:
    form_fields.append(("user", options.email))
  if options.reviewers:
    for reviewer in options.reviewers.split(','):
      if "@" in reviewer and not reviewer.split("@")[1].count(".") == 1:
        ErrorExit("Invalid email address: %s" % reviewer)
    form_fields.append(("reviewers", options.reviewers))
  if options.cc:
    for cc in options.cc.split(','):
      if "@" in cc and not cc.split("@")[1].count(".") == 1:
        ErrorExit("Invalid email address: %s" % cc)
    form_fields.append(("cc", options.cc))
  description = options.description
  if options.description_file:
    if options.description:
      ErrorExit("Can't specify description and description_file")
    file = open(options.description_file, 'r')
    description = file.read()
    file.close()
  if description:
    form_fields.append(("description", description))
  # Send a hash of all the base file so the server can determine if a copy
  # already exists in an earlier patchset.
  base_hashes = ""
  for file, info in files.iteritems():
    if not info[0] is None:
      checksum = md5(info[0]).hexdigest()
      if base_hashes:
        base_hashes += "|"
      base_hashes += checksum + ":" + file
  form_fields.append(("base_hashes", base_hashes))
  if options.private:
    if options.issue:
      print "Warning: Private flag ignored when updating an existing issue."
    else:
      form_fields.append(("private", "1"))
  # If we're uploading base files, don't send the email before the uploads, so
  # that it contains the file status.
  if options.send_mail and options.download_base:
    form_fields.append(("send_mail", "1"))
  if not options.download_base:
    form_fields.append(("content_upload", "1"))
  if len(data) > MAX_UPLOAD_SIZE:
    print "Patch is large, so uploading file patches separately."
    uploaded_diff_file = []
    form_fields.append(("separate_patches", "1"))
  else:
    uploaded_diff_file = [("data", "data.diff", data)]
  ctype, body = EncodeMultipartFormData(form_fields, uploaded_diff_file)
  response_body = rpc_server.Send("/upload", body, content_type=ctype)
  patchset = None
  if not options.download_base or not uploaded_diff_file:
    lines = response_body.splitlines()
    if len(lines) >= 2:
      msg = lines[0]
      patchset = lines[1].strip()
      patches = [x.split(" ", 1) for x in lines[2:]]
    else:
      msg = response_body
  else:
    msg = response_body
  StatusUpdate(msg)
  if not response_body.startswith("Issue created.") and \
  not response_body.startswith("Issue updated."):
    sys.exit(0)
  issue = msg[msg.rfind("/")+1:]

  if not uploaded_diff_file:
    result = UploadSeparatePatches(issue, rpc_server, patchset, data, options)
    if not options.download_base:
      patches = result

  if not options.download_base:
    vcs.UploadBaseFiles(issue, rpc_server, patches, patchset, options, files)
    if options.send_mail:
      rpc_server.Send("/" + issue + "/mail", payload="")
  return issue, patchset
dataset/ETHPy150Open CollabQ/CollabQ/bin/upload.py/RealMain/original