Can I open/write SQLite files on AppEngine?

I want to create a web application that executes开发者_开发技巧 the command below on a SQLite file the user would upload:

sqlite3 input.sqlite .dump | sqlite3 output.sqlite

The user would then be able to download the "cleaned" database file.

Is it possible to create such an application using Google AppEngine? If not, is it possible on any other free hosting service?

Rationale: The open source "Anki" software uses an SQLite database as a file format. File "corruption" is very frequent because many people move the files around etc. In 90% of cases, it is fixed by the simple line above, but most people are not confident enough to install sqlite, so I want to create a webapp that will do it for them.

Unfortunately, you

• can't execute system commands
• and don't have write access to the filesystem in GAE

But you can try Google Cloud Instances instead, or use them with Appengine