Dear Margaret, Anthony's reply is much more detailed than mine.

To sum up, French governed Portugal, or portions of Portugal, from the escape of the royal family on 29th of November 1807 to the Cintra convention of 30th of August 1808. The protuguese insurrection started on 11th of June 1808 in Bragance.

Junot first tried to govern as governor-general with a Council of Regency, of portuguese grandees, including a french commissary controling - and wrecking - the portuguese finance. On 1st of February 1808, the Council was replaced by a Military Council under Junot direct authority, in the name of the Emperor. The end of Bragance family was promulgated, portuguese national coat of arms abolished. A new constitution on french pattern was contemplated, but never promulgated.

So there is some political parallel with french occupation of Spain, with "extractive" french administration, a few afrancesados, some potential reforms and actual pillage. Except that the country was not considered a distinct state.