Under French Law Article 222-36.
Anyone caught importing or exporting hash or weed, will face a prison sentnce of ten years and a fine of 4,7 million euros.
Even if you say it's for personel use. doesn't matter how much it is, The French Police consider this to be Organized Crime. You will get a prison sentence of 30 years or a 8 million euro fine. That's how the French Law see Drugs. Good Luck.