When you're french and want some good information about forging, you have to :
first read/speak english
second practice on IForgeIron
For sure their's some French blacksmith on the site! i'm one of them!
Hi from France, Dave
Paris will not be the best place to see blacksmiths in action ... you may have to go deeper into the country.
Depending on your possibility of travel and time, i can give you some adresses of museum or smith's shops.