old_contents: 
  import re as _re
  from . import record_names as _record_names
  
  
  _bend_re = _re.compile('BOMA-B.*')
  _qf_re = _re.compile('BOMA-QF.*')
  _qd_re = _re.compile('BOMA-QD.*')
  _sf_re = _re.compile('BOMA-SF.*')
  _sd_re = _re.compile('BOMA-SD.*')
  _ch_re = _re.compile('BOMA-CH.*')
  _cv_re = _re.compile('BOMA-CV.*')
  
  
  def get_excitation_curve_mapping(accelerator):
      """Get mapping from magnet to excitation curve file names
  
      Returns dict.
      """
      magnets = _record_names.get_magnet_names(accelerator)
  
      ec = dict()
      for name in magnets:
          if _bend_re.match(name) is not None: ec[name] = 'boma-bend.txt'
          elif _qf_re.match(name) is not None: ec[name] = 'boma-qf.txt'
          elif _qd_re.match(name) is not None: ec[name] = 'boma-qd.txt'
          elif _sf_re.match(name) is not None: ec[name] = 'boma-sf.txt'
          elif _sd_re.match(name) is not None: ec[name] = 'boma-sd.txt'
          elif _ch_re.match(name) is not None: ec[name] = 'boma-ch.txt'
          elif _cv_re.match(name) is not None: ec[name] = 'boma-cv.txt'
          # else: ec[name] = 'boma-s.txt'
  
      return ec
  
new_contents: 
  import re as _re
  from . import record_names as _record_names
  
  
  _bend_re = _re.compile('BOMA-B.*')
  _qf_re = _re.compile('BOMA-QF.*')
  _qd_re = _re.compile('BOMA-QD.*')
  _sf_re = _re.compile('BOMA-SF.*')
  _sd_re = _re.compile('BOMA-SD.*')
  _ch_re = _re.compile('BOMA-CH.*')
  _cv_re = _re.compile('BOMA-CV.*')
  
  
  def get_excitation_curve_mapping(accelerator):
      """Get mapping from magnet to excitation curve file names
  
      Returns dict.
      """
      magnets = _record_names.get_magnet_names(accelerator)
  
      ec = dict()
      for name in magnets:
          if _bend_re.match(name) is not None: ec[name] = 'boma-bend.txt'
          elif _qf_re.match(name) is not None: ec[name] = 'boma-qf.txt'
          elif _qd_re.match(name) is not None: ec[name] = 'boma-qd.txt'
          elif _sf_re.match(name) is not None: ec[name] = 'boma-sf.txt'
          elif _sd_re.match(name) is not None: ec[name] = 'boma-sd.txt'
          elif _ch_re.match(name) is not None: ec[name] = 'boma-ch.txt'
          elif _cv_re.match(name) is not None: ec[name] = 'boma-cv.txt'
          else: ec[name] = 'boma-sd.txt'
  
      return ec
  
subject: Fix BO default excitation curve