code: def readedf(filename):
      
      edf = header.readehf(filename)
      f = open(filename, 'rb')
      f.read(edf['EDF_HeaderSize'])  # skip header.
      if edf['DataType'] == 'FloatValue':
          dtype = np.float32
      else:
          raise NotImplementedError(
              'Not supported data type: %s' % edf['DataType'])
      edf['data'] = np.fromstring(f.read(edf['EDF_BinarySize']), dtype).reshape(
          edf['Dim_1'], edf['Dim_2'])
      return edf
docs: Read an ESRF data file (measured at beamlines ID01 or ID02)
  
      Inputs
      ------
      filename: string
          the input file name
  
      Output
      ------
      the imported EDF structure in a dict. The scattering pattern is under key
      'data'.
  
      Notes
      -----
      Only datatype ``FloatValue`` is supported right now.