This is a Python library for parsing, validation and generation of CWR 3.0 and 3.1 files. It extends the functionality of Music Metadata - EDI and mirrors Music Metadata - CWR v2.x.
Common Works Registration (CWR) is a protocol and data format for the registration of musical works in collecting societies world-wide. The developer has written a series of articles about CWR in general and specifically CWR 3.x.
This library has not yet been released as open source. The schedule depends on sponsors, feel free to become one!