Backup from MySQL server

This tool is only useful if you also have a write-math MySQL server running.

$ backup.py --help
usage: backup.py [-h] [-d FOLDER] [-s] [-o]

Download raw data from online server and back it up (e.g. on DropBox)
handwriting_datasets.pickle.

optional arguments:
  -h, --help            show this help message and exit
  -d FOLDER, --destination FOLDER
                        where do write the handwriting_dataset.pickle
                        (default: /home/moose/Downloads/write-math/archive
                        /raw-datasets)
  -s, --small           should only a small dataset (with all capital letters)
                        be created? (default: False)
  -o, --onlydropbox     don't download new files; only upload to DropBox
                       (default: False)