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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_item_project(self, eitem):
 """ Get project mapping enrichment field. Twitter mappings is pretty special so it needs a special implementacion. """


        project = None
        eitem_project = {}
        ds_name = self.get_connector_name()  # data source name in projects map

        if ds_name not in self.prjs_map:
            return eitem_project

        for tag in eitem['hashtags_analyzed']:
            # lcanas: hashtag provided in projects.json file should not be case sensitive T6876
            tags2project = CaseInsensitiveDict(self.prjs_map[ds_name])
            if tag in tags2project:
                project = tags2project[tag]
                break

        if project is None:
            project = DEFAULT_PROJECT

        eitem_project = {"project": project}

        eitem_project.update(self.add_project_levels(project))

        return eitem_project