parameters: ()
docstring: Marks all data scraping operations as in-progress, invalidates the cache, and marks it as
      invalid until all data scrapes are completed.
docstring_summary: Marks all data scraping operations as in-progress, invalidates the cache, and marks it as
      invalid until all data scrapes are completed.
docstring_tokens: Marks all data scraping operations as in - progress invalidates the cache and marks it as invalid until all data scrapes are completed .
function: def set_update_started():
      """ Marks all data scraping operations as in-progress, invalidates the cache, and marks it as
      invalid until all data scrapes are completed. """
  
      redis_client.delete("INSTRUMENTS_FINISHED")
      redis_client.delete("POPULARITIES_FINISHED")
      redis_client.delete("QUOTES_FINISHED")
  
      lock_cache()
function_tokens: def set_update_started ( ) : redis_client . delete ( "INSTRUMENTS_FINISHED" ) redis_client . delete ( "POPULARITIES_FINISHED" ) redis_client . delete ( "QUOTES_FINISHED" ) lock_cache ( )