class_docstr: Parameters
  ---------
  country_group : h5py.Group
      The group for a single country in an HDF5 daily pricing file.
class_docstr_tok: ["Parameters","--","--","--","--","-","country_group",":","h5py.Group","The","group","for","a","single","country","in","an","HDF5","daily","pricing","file","."]
docstr: Get currencies in which prices are quoted for the requested sids.
  
  Parameters
  ----------
  sids : np.array[int64]
      Array of sids for which currencies are needed.
  
  Returns
  -------
  currency_codes : np.array[object]
      Array of currency codes for listing currencies of ``sids``.
docstr_tok: ["Get","currencies","in","which","prices","are","quoted","for","the","requested","sids",".","Parameters","--","--","--","--","--","sids",":","np.array","[","int64","]","Array","of","sids","for","which","currencies","are","needed",".","Returns","--","--","--","-","currency_codes",":","np.array","[","object","]","Array","of","currency","codes","for","listing","currencies","of","``","sids","``","."]
code: def currency_codes(self, sids):
      """Get currencies in which prices are quoted for the requested sids.
  
      Parameters
      ----------
      sids : np.array[int64]
          Array of sids for which currencies are needed.
  
      Returns
      -------
      currency_codes : np.array[object]
          Array of currency codes for listing currencies of ``sids``.
      """
      # Find the index of requested sids in our stored sids.
      ixs = self.sids.searchsorted(sids, side="left")
  
      result = self._currency_codes[ixs]
  
      # searchsorted returns the index of the next lowest sid if the lookup
      # fails. Fill these sids with the special "missing" sentinel.
      not_found = self.sids[ixs] != sids
  
      result[not_found] = None
  
      return result
  
imports: from functools import partial
  import h5py
  import logbook
  import numpy
  import pandas
  from six import iteritems, raise_from, viewkeys
  from six.moves import reduce
  from zipline.data.bar_reader import NoDataAfterDate, NoDataBeforeDate, NoDataForSid, NoDataOnDate
  from zipline.data.session_bars import CurrencyAwareSessionBarReader
  from zipline.utils.memoize import lazyval
  from zipline.utils.numpy_utils import bytes_array_to_native_str_object_array
  from zipline.utils.pandas_utils import check_indexes_all_same
label_desc: Use image node_id 15 for calling the HDF5DailyBarReader obj's underlying member method code with example usage: obj.currency_codes(sids) and returns: result