How to dump index for troubleshooting/debugging

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Is there a way to dump the index in order to troubleshoot anomalies? I'm in the process of assessing the options for full-text indexing and I see that searches using pylucene are picking up documents which whoosh is missing, even though, as far as I can tell, the analyzers and other options are the same. I'd prefer to use the pure Python option, but not if it's broken (or abandoned). The documentation for whoosh is a little unsettling, as it points to a mailing list which looks to be overrun by the spammers, and a repository which is defunct. Is @mchaput still alive? Has he walked away from this project? Are there any other maintainers with commit privileges?

Thanks!