pathlib ABCs: support initializing paths with no arguments #126608
Merged
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In the past I've equivocated about whether to require at least one argument in the
PurePathBase(andPathBase) initializer, and what the default should be if we make it optional. I now have a local use case that has persuaded me to make it optional and default to the empty string (azipp.Path-like class that treats relative and absolute paths similarly.) Happily this brings the base class more in line withPurePathandPath.No user-facing changes because the pathlib ABCs are still private, and
PurePathprovides its own initializer.