code: def process_field(elt, text=False):
      """Process a 'field' tag."""
      # NOTE: if there is a variable defined in this field and it is different
      # from the default, we could change the value and restart.
  
      scale = np.uint8(1)
      if elt.get("type") == "bitfield" and not text:
          current_type = ">u" + str(int(elt.get("length")) // 8)
          scale = np.dtype(current_type).type(1)
      elif elt.get("length") is not None:
          if text:
              add = 33
          else:
              add = 0
          current_type = "S" + str(int(elt.get("length")) + add)
      else:
          current_type = TYPEC[elt.get("type")]
          try:
              scale = 10 / float(
                  elt.get("scaling-factor", "10").replace("^", "e")
              )
          except ValueError:
              scale = 10 / np.array(
                  elt.get("scaling-factor")
                  .replace("^", "e")
                  .split(","),
                  dtype=np.float64,
              )
  
      return (elt.get("name"), current_type, scale)
  
file_path: satpy/satpy/readers/xmlformat.py
imports: from __future__ import annotations
  import numpy
  from defusedxml.ElementTree import parse
label_desc: Use image node_id 2 for calling a global function with example usage: process_field(elt, text) and returns: elt,  current_type,  scale