[New-bugs-announce] [issue44136] Remove pathlib flavours
report at bugs.python.org
Fri May 14 14:28:58 EDT 2021
New submission from Barney Gale <barney.gale at gmail.com>:
Following bpo-39899, bpo-43757 and bpo-43012, `pathlib._Flavour` and its subclasses are looking a bit pointless.
The implementations of `is_reserved()` and `make_uri()` (~`as_uri()`) can be readily moved to into `PurePosixPath` and `PureWindowsPath`, which removes some indirection. This follows the pattern of OS-specific stuff in `PosixPath` and `WindowsPath`.
The remaining methods, such as `splitroot()`, can be pulled into `Pure*Path` with an underscore prefix.
I'm generally a believer in composition over inheritance, but in this case `_Flavour` seems too small and too similar to `PurePath` to separate out into 3 extra classes.
There should be no impact on public APIs or performance.
components: Library (Lib)
title: Remove pathlib flavours
versions: Python 3.11
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