def PrintFieldValue(field, value, out, indent=0, as_utf8=False,
                    as_one_line=False, pointy_brackets=False,
                    use_index_order=False,
                    float_format=None):

  if pointy_brackets:
    openb = '<'
    closeb = '>'
  else:
    openb = '{'
    closeb = '}'

  if field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_MESSAGE:
    if as_one_line:
      out.write(' %s ' % openb)
      PrintMessage(value, out, indent, as_utf8, as_one_line,
                   pointy_brackets=pointy_brackets,
                   use_index_order=use_index_order,
                   float_format=float_format)
      out.write(closeb)
    else:
      out.write(' %s\n' % openb)
      PrintMessage(value, out, indent + 2, as_utf8, as_one_line,
                   pointy_brackets=pointy_brackets,
                   use_index_order=use_index_order,
                   float_format=float_format)
      out.write(' ' * indent + closeb)
  elif field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_ENUM:
    enum_value = field.enum_type.values_by_number.get(value, None)
    if enum_value is not None:
      out.write(enum_value.name)
    else:
      out.write(str(value))
  elif field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_STRING:
    out.write('\"')
    if isinstance(value, six.text_type):
      out_value = value.encode('utf-8')
    else:
      out_value = value
    if field.type == descriptor.FieldDescriptor.TYPE_BYTES:
      # We need to escape non-UTF8 chars in TYPE_BYTES field.
      out_as_utf8 = False
    else:
      out_as_utf8 = as_utf8
    out.write(text_encoding.CEscape(out_value, out_as_utf8))
    out.write('\"')
  elif field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_BOOL:
    if value:
      out.write('true')
    else:
      out.write('false')
  elif field.cpp_type in _FLOAT_TYPES and float_format is not None:
    out.write('{1:{0}}'.format(float_format, value))
  else:
    out.write(str(value))
Print a single field value (not including name).  For repeated fields,
dataset/ETHPy150Open sklearn-theano/sklearn-theano/sklearn_theano/externals/google/protobuf/text_format.py/PrintFieldValue