@deha: I agree, with the write api plugin you should be able to solve your problem. There is even a python library available: https://pypi.python.org/pypi/pynodebb/. It is quite old but still works with up to date nodebb. Unfortunately, not all api calls are yet implemented, but it is easy (and quite obvious) to extend it.
Take a look at https://github.com/NodeBB/nodebb-plugin-write-api