How to use the polib.polib.POFile.getIdIndex function in polib

def pofileGetIdIndex(self):
    idIndex = {}
    for entry in self:
        idIndex[entry.msgid] = entry
    self.idIndex = idIndex
    return idIndex

##
# looks up a msgid in the POFile, using the .idIndex index generated by .getIdIndex()

def pofileIndexFind(self, msgid):
    return self.idIndex.get(msgid, None)

# Attach the new methods to the POFile class

polib.POFile.getIdIndex = pofileGetIdIndex
polib.POFile.indexFind  = pofileIndexFind

class Locale(object):
    def __init__(self, context, classesObj, translation, cache, console):
        self._context = context
        self._classesObj = classesObj
        self._translation = translation
        self._cache = cache
        self._console = console



    def getLocalizationData(self, classList, targetLocales, ):
        self._console.debug("Generating localization data...")
        data = {}

def pofileGetIdIndex(self):
    idIndex = {}
    for entry in self:
        idIndex[entry.msgid] = entry
    self.idIndex = idIndex
    return idIndex

##
# looks up a msgid in the POFile, using the .idIndex index generated by .getIdIndex()

def pofileIndexFind(self, msgid):
    return self.idIndex.get(msgid, None)

# Attach the new methods to the POFile class

polib.POFile.getIdIndex = pofileGetIdIndex
polib.POFile.indexFind  = pofileIndexFind

class Locale(object):
    def __init__(self, context, classesObj, translation, cache, console):
        self._context = context
        self._classesObj = classesObj
        self._translation = translation
        self._cache = cache
        self._console = console



    def getLocalizationData(self, classList, targetLocales, ):
        self._console.debug("Generating localization data...")
        data = {}