class_docstr: Writer class for HDF5 files consumed by HDF5FXRateReader.
      
code: def _log_writing(self, *path):
      log.debug("Writing {}", "/".join(path))
  
imports: from interface import implements
  import h5py
  from logbook import Logger
  import numpy
  import pandas
  from zipline.utils.memoize import lazyval
  from zipline.utils.numpy_utils import bytes_array_to_native_str_object_array
  from .base import FXRateReader, DEFAULT_FX_RATE
  from .utils import check_dts, is_sorted_ascending
label_desc: Use image node_id 6 for calling the HDF5FXRateWriter obj's underlying member method code with example usage: obj._log_writing() without return types