You are going to have to file a French bankruptcy in France. I know nothing about French Bankruptcy laws, but I'm pretty sure most countries have such laws. I don't think you'd meet the jurisdictional requirements for a US bankruptcy. You should find a local attorney that can help you with this.
I have filed for many people living overseas. There are several requirements: (1) you can only discharge your US debt, not debt incurred in France; (2) you must return to the US for the Meeting of Creditors; (3) your principal assets in the US must be located in the state in which you file. If you have no assets in the US, opening an account in the state where you will file should give the Court venue to hear your case.
If I may be of help, please e-mail me privately and we can discuss what would be involved.
If you still maintain residency in a US state, have US citizenship or permanent resident status, have assets here and can come here to attend court, you are probably able to file bankruptcy in the US, in the bankruptcy court of the district where you are resident.