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bpo-30897: Add is_mount() to pathlib.Path (#2669)

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* Add in is_mount() call to pathlib.Path similiar to os.path.ismount(path)
* Add tests for is_mount()
This commit is contained in:
Cooper Lees 2017-08-01 15:35:45 -07:00 • committed by Łukasz Langa
parent 9eef9e805e
commit 173ff4a58a
2 changed files with 36 additions and 0 deletions
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24
Lib/pathlib.py
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@ -1329,6 +1329,27 @@ class Path(PurePath):
# (see https://bitbucket.org/pitrou/pathlib/issue/12/)
return False
def is_mount(self):
"""
Check if this path is a POSIX mount point
"""
# Need to exist and be a dir
if not self.exists() or not self.is_dir():
return False
parent = Path(self.parent)
try:
parent_dev = parent.stat().st_dev
except OSError:
return False
dev = self.stat().st_dev
if dev != parent_dev:
return True
ino = self.stat().st_ino
parent_ino = parent.stat().st_ino
return ino == parent_ino
def is_symlink(self):
"""
Whether this path is a symbolic link.
@ -1416,3 +1437,6 @@ class WindowsPath(Path, PureWindowsPath):
def group(self):
raise NotImplementedError("Path.group() is unsupported on this system")
def is_mount(self):
raise NotImplementedError("Path.is_mount() is unsupported on this system")