Add pickling support for Python tokenizers #73
Merged
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Partially addresses #25
This adds
__getstate__
/__setstate__
methods to make pickling work, following discussion in PyO3/pyo3#100 and adapting the https://gist.github.com/ethanhs/fd4123487974c91c7e5960acc9aa2a77 example.There is probably some way to add those methods via macros to avoid code repetition but I haven't figured it out yet.
Pickling support for
stem
andvectorize
modules will be added in a follow up PR.This also removes the parameter attributes from python wrappers e.g.
RegexpTokenizer.pattern
as they were anyway not synced with the Rust parameter struct (hereRegexpTokenizer.inner.params.pattern
), so changing them had no effect. If we want to make it work we could rather first make sureset_params
/get_params
methods are working as expected, and then implement them via__getattr__
/__setattr__
.