start = '<se.diabol.jenkins.pipeline.DeliveryPipelineView plugin='

end = '</se.diabol.jenkins.pipeline.DeliveryPipelineView>'

def delete_pip(src):

  f = open(src, 'r')

  lines = [];

  pip = []

  flag = True

  for line in f:

    if start in line:

      pip = [True]

      flag = False

    if flag:

      lines.append(line)

    else:

      pip.append(line)

      if pipline_name in line:

        pip[] = False

    if end in line:

      flag = True

      if pip[]:

        for i in pip[:]:

          lines.append(i)

  f.close()

  f = open(src, 'w')

  f.writelines(lines)

  f.close()