I can't think of even one purchase we have made in the past two years that is manufactured or distributed by a French company.
We avoid all French wine (which apparently many people do, since there is such a surplus, they want to turn it into industrial products). We buy American, Australian and Chilean wine.
French cars are practically non-existent. Clothing? No real influence anymore. Foods...nothing necessary nor especially desirable. Entertainment? Nope. Presidential candidate? No way! Even avoiding Heinz catsup, soup and whatever...even Ore Ida potatoes.
Jeez! Come to think of it, a boycott of anything French is practically effortless!
You may find some financial services more difficult to boycott - for example, Axa Insurance is a French company. They also own Alliance Capital Management.
Regards, ivan
It's even easier for me, since I've always been a teetotaler anyway.