Python library used on FBReader® book network (https://books.fbreader.org/) + some command line tools based on the library

Command line tools:
  ./create_opds.py:     OPDS catalog file creator (takes list of books + some metainfo)
  ./encrypt.py:         Marlin ePub encryptor

OPDS creation tool takes list of book urls (+some feed meta information) as input. Sample
catalog description can be found in ./sample/catalog.description. Supported book formats:
  ePub
  mobi (a.k.a. azw3)
  fb2
  fb2.zip

How to create sample OPDS catalog:
  ./create_opds.py ./sample/catalog.description
Catalog files will be created in './opds'. Run
  ./create_opds.py -h
for more information.