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Commit7fcace9

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GH-125413: Add private metadata methods topathlib.Path.info (#129897)
Add the following private methods to `pathlib.Path.info`:- `_posix_permissions()`: the POSIX file permissions (`S_IMODE(st_mode)`)- `_file_id()`: the file ID (`(st_dev, st_ino)`)- `_access_time_ns()`: the access time in nanoseconds (`st_atime_ns`)- `_mod_time_ns()`: the modify time in nanoseconds (`st_mtime_ns`)- `_bsd_flags()`: the BSD file flags (`st_flags`)- `_xattrs()`: the file extended attributes as a list of key, value pairs, or an empty list if `listxattr()` or `getxattr()` fail in an ignorable way.These methods replace `LocalCopyReader.read_metadata()`, and so we candelete the `CopyReader` and `LocalCopyReader` classes. Rather than readingmetadata via `source._copy_reader.read_metadata()`, we instead call`source.info._posix_permissions()`, `_access_time_ns()`, etc.Preserving metadata is only supported for local-to-local copies at themoment. To support copying metadata between arbitrary `ReadablePath` and`WritablePath` objects, we'd need to make the new methods public anddocumented.Co-authored-by: Petr Viktorin <encukou@gmail.com>
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4 files changed

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-206
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4 files changed

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‎Lib/pathlib/_abc.py

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@@ -14,7 +14,7 @@
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fromabcimportABC,abstractmethod
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fromglobimport_PathGlobber,_no_recurse_symlinks
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frompathlibimportPurePath,Path
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frompathlib._osimportmagic_open,CopyReader,CopyWriter
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frompathlib._osimportmagic_open,CopyWriter
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def_explode_path(path):
@@ -353,8 +353,6 @@ def readlink(self):
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"""
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raiseNotImplementedError
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_copy_reader=property(CopyReader)
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defcopy(self,target,follow_symlinks=True,dirs_exist_ok=False,
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preserve_metadata=False):
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"""

‎Lib/pathlib/_local.py

Lines changed: 2 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -19,7 +19,7 @@
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exceptImportError:
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grp=None
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frompathlib._osimportLocalCopyReader,LocalCopyWriter,PathInfo,DirEntryInfo
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frompathlib._osimportLocalCopyWriter,PathInfo,DirEntryInfo,ensure_different_files
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__all__= [
@@ -1079,7 +1079,6 @@ def replace(self, target):
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os.replace(self,target)
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returnself.with_segments(target)
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_copy_reader=property(LocalCopyReader)
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_copy_writer=property(LocalCopyWriter)
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defcopy(self,target,follow_symlinks=True,dirs_exist_ok=False,
@@ -1125,7 +1124,7 @@ def move(self, target):
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else:
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ifnothasattr(target,'_copy_writer'):
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target=self.with_segments(target_str)
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target._copy_writer._ensure_different_file(self)
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ensure_different_files(self,target)
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try:
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os.replace(self,target_str)
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returntarget

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