diff options
| -rw-r--r-- | Lib/pathlib.py | 12 | ||||
| -rw-r--r-- | Misc/NEWS.d/next/Library/2022-12-28-00-28-43.gh-issue-100562.Hic0Z0.rst | 3 |
2 files changed, 10 insertions, 5 deletions
diff --git a/Lib/pathlib.py b/Lib/pathlib.py index b959e85..a0678f6 100644 --- a/Lib/pathlib.py +++ b/Lib/pathlib.py @@ -748,10 +748,12 @@ class Path(PurePath): @classmethod def cwd(cls): - """Return a new path pointing to the current working directory - (as returned by os.getcwd()). - """ - return cls(os.getcwd()) + """Return a new path pointing to the current working directory.""" + # We call 'absolute()' rather than using 'os.getcwd()' directly to + # enable users to replace the implementation of 'absolute()' in a + # subclass and benefit from the new behaviour here. This works because + # os.path.abspath('.') == os.getcwd(). + return cls().absolute() @classmethod def home(cls): @@ -825,7 +827,7 @@ class Path(PurePath): """ if self.is_absolute(): return self - return self._from_parts([self.cwd()] + self._parts) + return self._from_parts([os.getcwd()] + self._parts) def resolve(self, strict=False): """ diff --git a/Misc/NEWS.d/next/Library/2022-12-28-00-28-43.gh-issue-100562.Hic0Z0.rst b/Misc/NEWS.d/next/Library/2022-12-28-00-28-43.gh-issue-100562.Hic0Z0.rst new file mode 100644 index 0000000..56a4265 --- /dev/null +++ b/Misc/NEWS.d/next/Library/2022-12-28-00-28-43.gh-issue-100562.Hic0Z0.rst @@ -0,0 +1,3 @@ +Improve performance of :meth:`pathlib.Path.absolute` by nearly 2x. This comes +at the cost of a performance regression in :meth:`pathlib.Path.cwd`, which is +generally used less frequently in user code. |