code: def harvest_all_openaire_projects():
      
      setspecs = current_app.config['OPENAIRE_GRANTS_SPECS']
      chain(harvest_openaire_projects.s(setspec=setspec)
            for setspec in setspecs).apply_async()
docs: Reharvest all grants from OpenAIRE.
  
      Harvest all OpenAIRE grants in a chain to prevent OpenAIRE
      overloading from multiple parallel harvesting.