On 11.05.16 19:43, Brett Cannon wrote:
os.path
'''''''
The various path-manipulation functions of ``os.path`` [#os-path]_
will be updated to accept path objects. For polymorphic functions that
accept both bytes and strings, they will be updated to simply use
code very much similar to
``path.__fspath__() if hasattr(path, '__fspath__') else path``. This
will allow for their pre-existing type-checking code to continue to
function.
I afraid that this will hit a performance. Some os.path functions are
used in tight loops, they are hard optimized, and adding support of path
protocol can have visible negative effect.
I suggest first implement other changes and then look whether it is
worth to add support of path protocol in os.path functions.
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