operating systems.
"""
-from pathlib._local import *
+import io
+import ntpath
+import operator
+import os
+import posixpath
+import sys
+from errno import *
+from glob import _StringGlobber, _no_recurse_symlinks
+from itertools import chain
+from stat import S_ISDIR, S_ISREG, S_ISSOCK, S_ISBLK, S_ISCHR, S_ISFIFO
+from _collections_abc import Sequence
-__all__ = _local.__all__
+try:
+ import pwd
+except ImportError:
+ pwd = None
+try:
+ import grp
+except ImportError:
+ grp = None
+
+from pathlib._os import (
+ PathInfo, DirEntryInfo,
+ ensure_different_files, ensure_distinct_paths,
+ copy_file, copy_info,
+)
+
+
+__all__ = [
+ "UnsupportedOperation",
+ "PurePath", "PurePosixPath", "PureWindowsPath",
+ "Path", "PosixPath", "WindowsPath",
+ ]
+
+
+class UnsupportedOperation(NotImplementedError):
+ """An exception that is raised when an unsupported operation is attempted.
+ """
+ pass
+
+
+class _PathParents(Sequence):
+ """This object provides sequence-like access to the logical ancestors
+ of a path. Don't try to construct it yourself."""
+ __slots__ = ('_path', '_drv', '_root', '_tail')
+
+ def __init__(self, path):
+ self._path = path
+ self._drv = path.drive
+ self._root = path.root
+ self._tail = path._tail
+
+ def __len__(self):
+ return len(self._tail)
+
+ def __getitem__(self, idx):
+ if isinstance(idx, slice):
+ return tuple(self[i] for i in range(*idx.indices(len(self))))
+
+ if idx >= len(self) or idx < -len(self):
+ raise IndexError(idx)
+ if idx < 0:
+ idx += len(self)
+ return self._path._from_parsed_parts(self._drv, self._root,
+ self._tail[:-idx - 1])
+
+ def __repr__(self):
+ return "<{}.parents>".format(type(self._path).__name__)
+
+
+class PurePath:
+ """Base class for manipulating paths without I/O.
+
+ PurePath represents a filesystem path and offers operations which
+ don't imply any actual filesystem I/O. Depending on your system,
+ instantiating a PurePath will return either a PurePosixPath or a
+ PureWindowsPath object. You can also instantiate either of these classes
+ directly, regardless of your system.
+ """
+
+ __slots__ = (
+ # The `_raw_paths` slot stores unjoined string paths. This is set in
+ # the `__init__()` method.
+ '_raw_paths',
+
+ # The `_drv`, `_root` and `_tail_cached` slots store parsed and
+ # normalized parts of the path. They are set when any of the `drive`,
+ # `root` or `_tail` properties are accessed for the first time. The
+ # three-part division corresponds to the result of
+ # `os.path.splitroot()`, except that the tail is further split on path
+ # separators (i.e. it is a list of strings), and that the root and
+ # tail are normalized.
+ '_drv', '_root', '_tail_cached',
+
+ # The `_str` slot stores the string representation of the path,
+ # computed from the drive, root and tail when `__str__()` is called
+ # for the first time. It's used to implement `_str_normcase`
+ '_str',
+
+ # The `_str_normcase_cached` slot stores the string path with
+ # normalized case. It is set when the `_str_normcase` property is
+ # accessed for the first time. It's used to implement `__eq__()`
+ # `__hash__()`, and `_parts_normcase`
+ '_str_normcase_cached',
+
+ # The `_parts_normcase_cached` slot stores the case-normalized
+ # string path after splitting on path separators. It's set when the
+ # `_parts_normcase` property is accessed for the first time. It's used
+ # to implement comparison methods like `__lt__()`.
+ '_parts_normcase_cached',
+
+ # The `_hash` slot stores the hash of the case-normalized string
+ # path. It's set when `__hash__()` is called for the first time.
+ '_hash',
+ )
+ parser = os.path
+
+ def __new__(cls, *args, **kwargs):
+ """Construct a PurePath from one or several strings and or existing
+ PurePath objects. The strings and path objects are combined so as
+ to yield a canonicalized path, which is incorporated into the
+ new PurePath object.
+ """
+ if cls is PurePath:
+ cls = PureWindowsPath if os.name == 'nt' else PurePosixPath
+ return object.__new__(cls)
+
+ def __init__(self, *args):
+ paths = []
+ for arg in args:
+ if isinstance(arg, PurePath):
+ if arg.parser is not self.parser:
+ # GH-103631: Convert separators for backwards compatibility.
+ paths.append(arg.as_posix())
+ else:
+ paths.extend(arg._raw_paths)
+ else:
+ try:
+ path = os.fspath(arg)
+ except TypeError:
+ path = arg
+ if not isinstance(path, str):
+ raise TypeError(
+ "argument should be a str or an os.PathLike "
+ "object where __fspath__ returns a str, "
+ f"not {type(path).__name__!r}")
+ paths.append(path)
+ self._raw_paths = paths
+
+ def with_segments(self, *pathsegments):
+ """Construct a new path object from any number of path-like objects.
+ Subclasses may override this method to customize how new path objects
+ are created from methods like `iterdir()`.
+ """
+ return type(self)(*pathsegments)
+
+ def joinpath(self, *pathsegments):
+ """Combine this path with one or several arguments, and return a
+ new path representing either a subpath (if all arguments are relative
+ paths) or a totally different path (if one of the arguments is
+ anchored).
+ """
+ return self.with_segments(self, *pathsegments)
+
+ def __truediv__(self, key):
+ try:
+ return self.with_segments(self, key)
+ except TypeError:
+ return NotImplemented
+
+ def __rtruediv__(self, key):
+ try:
+ return self.with_segments(key, self)
+ except TypeError:
+ return NotImplemented
+
+ def __reduce__(self):
+ return self.__class__, tuple(self._raw_paths)
+
+ def __repr__(self):
+ return "{}({!r})".format(self.__class__.__name__, self.as_posix())
+
+ def __fspath__(self):
+ return str(self)
+
+ def __bytes__(self):
+ """Return the bytes representation of the path. This is only
+ recommended to use under Unix."""
+ return os.fsencode(self)
+
+ @property
+ def _str_normcase(self):
+ # String with normalized case, for hashing and equality checks
+ try:
+ return self._str_normcase_cached
+ except AttributeError:
+ if self.parser is posixpath:
+ self._str_normcase_cached = str(self)
+ else:
+ self._str_normcase_cached = str(self).lower()
+ return self._str_normcase_cached
+
+ def __hash__(self):
+ try:
+ return self._hash
+ except AttributeError:
+ self._hash = hash(self._str_normcase)
+ return self._hash
+
+ def __eq__(self, other):
+ if not isinstance(other, PurePath):
+ return NotImplemented
+ return self._str_normcase == other._str_normcase and self.parser is other.parser
+
+ @property
+ def _parts_normcase(self):
+ # Cached parts with normalized case, for comparisons.
+ try:
+ return self._parts_normcase_cached
+ except AttributeError:
+ self._parts_normcase_cached = self._str_normcase.split(self.parser.sep)
+ return self._parts_normcase_cached
+
+ def __lt__(self, other):
+ if not isinstance(other, PurePath) or self.parser is not other.parser:
+ return NotImplemented
+ return self._parts_normcase < other._parts_normcase
+
+ def __le__(self, other):
+ if not isinstance(other, PurePath) or self.parser is not other.parser:
+ return NotImplemented
+ return self._parts_normcase <= other._parts_normcase
+
+ def __gt__(self, other):
+ if not isinstance(other, PurePath) or self.parser is not other.parser:
+ return NotImplemented
+ return self._parts_normcase > other._parts_normcase
+
+ def __ge__(self, other):
+ if not isinstance(other, PurePath) or self.parser is not other.parser:
+ return NotImplemented
+ return self._parts_normcase >= other._parts_normcase
+
+ def __str__(self):
+ """Return the string representation of the path, suitable for
+ passing to system calls."""
+ try:
+ return self._str
+ except AttributeError:
+ self._str = self._format_parsed_parts(self.drive, self.root,
+ self._tail) or '.'
+ return self._str
+
+ @classmethod
+ def _format_parsed_parts(cls, drv, root, tail):
+ if drv or root:
+ return drv + root + cls.parser.sep.join(tail)
+ elif tail and cls.parser.splitdrive(tail[0])[0]:
+ tail = ['.'] + tail
+ return cls.parser.sep.join(tail)
+
+ def _from_parsed_parts(self, drv, root, tail):
+ path = self._from_parsed_string(self._format_parsed_parts(drv, root, tail))
+ path._drv = drv
+ path._root = root
+ path._tail_cached = tail
+ return path
+
+ def _from_parsed_string(self, path_str):
+ path = self.with_segments(path_str)
+ path._str = path_str or '.'
+ return path
+
+ @classmethod
+ def _parse_path(cls, path):
+ if not path:
+ return '', '', []
+ sep = cls.parser.sep
+ altsep = cls.parser.altsep
+ if altsep:
+ path = path.replace(altsep, sep)
+ drv, root, rel = cls.parser.splitroot(path)
+ if not root and drv.startswith(sep) and not drv.endswith(sep):
+ drv_parts = drv.split(sep)
+ if len(drv_parts) == 4 and drv_parts[2] not in '?.':
+ # e.g. //server/share
+ root = sep
+ elif len(drv_parts) == 6:
+ # e.g. //?/unc/server/share
+ root = sep
+ return drv, root, [x for x in rel.split(sep) if x and x != '.']
+
+ @classmethod
+ def _parse_pattern(cls, pattern):
+ """Parse a glob pattern to a list of parts. This is much like
+ _parse_path, except:
+
+ - Rather than normalizing and returning the drive and root, we raise
+ NotImplementedError if either are present.
+ - If the path has no real parts, we raise ValueError.
+ - If the path ends in a slash, then a final empty part is added.
+ """
+ drv, root, rel = cls.parser.splitroot(pattern)
+ if root or drv:
+ raise NotImplementedError("Non-relative patterns are unsupported")
+ sep = cls.parser.sep
+ altsep = cls.parser.altsep
+ if altsep:
+ rel = rel.replace(altsep, sep)
+ parts = [x for x in rel.split(sep) if x and x != '.']
+ if not parts:
+ raise ValueError(f"Unacceptable pattern: {str(pattern)!r}")
+ elif rel.endswith(sep):
+ # GH-65238: preserve trailing slash in glob patterns.
+ parts.append('')
+ return parts
+
+ def as_posix(self):
+ """Return the string representation of the path with forward (/)
+ slashes."""
+ return str(self).replace(self.parser.sep, '/')
+
+ @property
+ def _raw_path(self):
+ paths = self._raw_paths
+ if len(paths) == 1:
+ return paths[0]
+ elif paths:
+ # Join path segments from the initializer.
+ path = self.parser.join(*paths)
+ # Cache the joined path.
+ paths.clear()
+ paths.append(path)
+ return path
+ else:
+ paths.append('')
+ return ''
+
+ @property
+ def drive(self):
+ """The drive prefix (letter or UNC path), if any."""
+ try:
+ return self._drv
+ except AttributeError:
+ self._drv, self._root, self._tail_cached = self._parse_path(self._raw_path)
+ return self._drv
+
+ @property
+ def root(self):
+ """The root of the path, if any."""
+ try:
+ return self._root
+ except AttributeError:
+ self._drv, self._root, self._tail_cached = self._parse_path(self._raw_path)
+ return self._root
+
+ @property
+ def _tail(self):
+ try:
+ return self._tail_cached
+ except AttributeError:
+ self._drv, self._root, self._tail_cached = self._parse_path(self._raw_path)
+ return self._tail_cached
+
+ @property
+ def anchor(self):
+ """The concatenation of the drive and root, or ''."""
+ return self.drive + self.root
+
+ @property
+ def parts(self):
+ """An object providing sequence-like access to the
+ components in the filesystem path."""
+ if self.drive or self.root:
+ return (self.drive + self.root,) + tuple(self._tail)
+ else:
+ return tuple(self._tail)
+
+ @property
+ def parent(self):
+ """The logical parent of the path."""
+ drv = self.drive
+ root = self.root
+ tail = self._tail
+ if not tail:
+ return self
+ return self._from_parsed_parts(drv, root, tail[:-1])
+
+ @property
+ def parents(self):
+ """A sequence of this path's logical parents."""
+ # The value of this property should not be cached on the path object,
+ # as doing so would introduce a reference cycle.
+ return _PathParents(self)
+
+ @property
+ def name(self):
+ """The final path component, if any."""
+ tail = self._tail
+ if not tail:
+ return ''
+ return tail[-1]
+
+ def with_name(self, name):
+ """Return a new path with the file name changed."""
+ p = self.parser
+ if not name or p.sep in name or (p.altsep and p.altsep in name) or name == '.':
+ raise ValueError(f"Invalid name {name!r}")
+ tail = self._tail.copy()
+ if not tail:
+ raise ValueError(f"{self!r} has an empty name")
+ tail[-1] = name
+ return self._from_parsed_parts(self.drive, self.root, tail)
+
+ def with_stem(self, stem):
+ """Return a new path with the stem changed."""
+ suffix = self.suffix
+ if not suffix:
+ return self.with_name(stem)
+ elif not stem:
+ # If the suffix is non-empty, we can't make the stem empty.
+ raise ValueError(f"{self!r} has a non-empty suffix")
+ else:
+ return self.with_name(stem + suffix)
+
+ def with_suffix(self, suffix):
+ """Return a new path with the file suffix changed. If the path
+ has no suffix, add given suffix. If the given suffix is an empty
+ string, remove the suffix from the path.
+ """
+ stem = self.stem
+ if not stem:
+ # If the stem is empty, we can't make the suffix non-empty.
+ raise ValueError(f"{self!r} has an empty name")
+ elif suffix and not suffix.startswith('.'):
+ raise ValueError(f"Invalid suffix {suffix!r}")
+ else:
+ return self.with_name(stem + suffix)
+
+ @property
+ def stem(self):
+ """The final path component, minus its last suffix."""
+ name = self.name
+ i = name.rfind('.')
+ if i != -1:
+ stem = name[:i]
+ # Stem must contain at least one non-dot character.
+ if stem.lstrip('.'):
+ return stem
+ return name
+
+ @property
+ def suffix(self):
+ """
+ The final component's last suffix, if any.
+
+ This includes the leading period. For example: '.txt'
+ """
+ name = self.name.lstrip('.')
+ i = name.rfind('.')
+ if i != -1:
+ return name[i:]
+ return ''
+
+ @property
+ def suffixes(self):
+ """
+ A list of the final component's suffixes, if any.
+
+ These include the leading periods. For example: ['.tar', '.gz']
+ """
+ return ['.' + ext for ext in self.name.lstrip('.').split('.')[1:]]
+
+ def relative_to(self, other, *, walk_up=False):
+ """Return the relative path to another path identified by the passed
+ arguments. If the operation is not possible (because this is not
+ related to the other path), raise ValueError.
+
+ The *walk_up* parameter controls whether `..` may be used to resolve
+ the path.
+ """
+ if not hasattr(other, 'with_segments'):
+ other = self.with_segments(other)
+ for step, path in enumerate(chain([other], other.parents)):
+ if path == self or path in self.parents:
+ break
+ elif not walk_up:
+ raise ValueError(f"{str(self)!r} is not in the subpath of {str(other)!r}")
+ elif path.name == '..':
+ raise ValueError(f"'..' segment in {str(other)!r} cannot be walked")
+ else:
+ raise ValueError(f"{str(self)!r} and {str(other)!r} have different anchors")
+ parts = ['..'] * step + self._tail[len(path._tail):]
+ return self._from_parsed_parts('', '', parts)
+
+ def is_relative_to(self, other):
+ """Return True if the path is relative to another path or False.
+ """
+ if not hasattr(other, 'with_segments'):
+ other = self.with_segments(other)
+ return other == self or other in self.parents
+
+ def is_absolute(self):
+ """True if the path is absolute (has both a root and, if applicable,
+ a drive)."""
+ if self.parser is posixpath:
+ # Optimization: work with raw paths on POSIX.
+ for path in self._raw_paths:
+ if path.startswith('/'):
+ return True
+ return False
+ return self.parser.isabs(self)
+
+ def is_reserved(self):
+ """Return True if the path contains one of the special names reserved
+ by the system, if any."""
+ import warnings
+ msg = ("pathlib.PurePath.is_reserved() is deprecated and scheduled "
+ "for removal in Python 3.15. Use os.path.isreserved() to "
+ "detect reserved paths on Windows.")
+ warnings.warn(msg, DeprecationWarning, stacklevel=2)
+ if self.parser is ntpath:
+ return self.parser.isreserved(self)
+ return False
+
+ def as_uri(self):
+ """Return the path as a URI."""
+ if not self.is_absolute():
+ raise ValueError("relative path can't be expressed as a file URI")
+
+ drive = self.drive
+ if len(drive) == 2 and drive[1] == ':':
+ # It's a path on a local drive => 'file:///c:/a/b'
+ prefix = 'file:///' + drive
+ path = self.as_posix()[2:]
+ elif drive:
+ # It's a path on a network drive => 'file://host/share/a/b'
+ prefix = 'file:'
+ path = self.as_posix()
+ else:
+ # It's a posix path => 'file:///etc/hosts'
+ prefix = 'file://'
+ path = str(self)
+ from urllib.parse import quote_from_bytes
+ return prefix + quote_from_bytes(os.fsencode(path))
+
+ def full_match(self, pattern, *, case_sensitive=None):
+ """
+ Return True if this path matches the given glob-style pattern. The
+ pattern is matched against the entire path.
+ """
+ if not hasattr(pattern, 'with_segments'):
+ pattern = self.with_segments(pattern)
+ if case_sensitive is None:
+ case_sensitive = self.parser is posixpath
+
+ # The string representation of an empty path is a single dot ('.'). Empty
+ # paths shouldn't match wildcards, so we change it to the empty string.
+ path = str(self) if self.parts else ''
+ pattern = str(pattern) if pattern.parts else ''
+ globber = _StringGlobber(self.parser.sep, case_sensitive, recursive=True)
+ return globber.compile(pattern)(path) is not None
+
+ def match(self, path_pattern, *, case_sensitive=None):
+ """
+ Return True if this path matches the given pattern. If the pattern is
+ relative, matching is done from the right; otherwise, the entire path
+ is matched. The recursive wildcard '**' is *not* supported by this
+ method.
+ """
+ if not hasattr(path_pattern, 'with_segments'):
+ path_pattern = self.with_segments(path_pattern)
+ if case_sensitive is None:
+ case_sensitive = self.parser is posixpath
+ path_parts = self.parts[::-1]
+ pattern_parts = path_pattern.parts[::-1]
+ if not pattern_parts:
+ raise ValueError("empty pattern")
+ if len(path_parts) < len(pattern_parts):
+ return False
+ if len(path_parts) > len(pattern_parts) and path_pattern.anchor:
+ return False
+ globber = _StringGlobber(self.parser.sep, case_sensitive)
+ for path_part, pattern_part in zip(path_parts, pattern_parts):
+ match = globber.compile(pattern_part)
+ if match(path_part) is None:
+ return False
+ return True
+
+# Subclassing os.PathLike makes isinstance() checks slower,
+# which in turn makes Path construction slower. Register instead!
+os.PathLike.register(PurePath)
+
+
+class PurePosixPath(PurePath):
+ """PurePath subclass for non-Windows systems.
+
+ On a POSIX system, instantiating a PurePath should return this object.
+ However, you can also instantiate it directly on any system.
+ """
+ parser = posixpath
+ __slots__ = ()
+
+
+class PureWindowsPath(PurePath):
+ """PurePath subclass for Windows systems.
+
+ On a Windows system, instantiating a PurePath should return this object.
+ However, you can also instantiate it directly on any system.
+ """
+ parser = ntpath
+ __slots__ = ()
+
+
+class Path(PurePath):
+ """PurePath subclass that can make system calls.
+
+ Path represents a filesystem path but unlike PurePath, also offers
+ methods to do system calls on path objects. Depending on your system,
+ instantiating a Path will return either a PosixPath or a WindowsPath
+ object. You can also instantiate a PosixPath or WindowsPath directly,
+ but cannot instantiate a WindowsPath on a POSIX system or vice versa.
+ """
+ __slots__ = ('_info',)
+
+ def __new__(cls, *args, **kwargs):
+ if cls is Path:
+ cls = WindowsPath if os.name == 'nt' else PosixPath
+ return object.__new__(cls)
+
+ @property
+ def info(self):
+ """
+ A PathInfo object that exposes the file type and other file attributes
+ of this path.
+ """
+ try:
+ return self._info
+ except AttributeError:
+ self._info = PathInfo(self)
+ return self._info
+
+ def stat(self, *, follow_symlinks=True):
+ """
+ Return the result of the stat() system call on this path, like
+ os.stat() does.
+ """
+ return os.stat(self, follow_symlinks=follow_symlinks)
+
+ def lstat(self):
+ """
+ Like stat(), except if the path points to a symlink, the symlink's
+ status information is returned, rather than its target's.
+ """
+ return os.lstat(self)
+
+ def exists(self, *, follow_symlinks=True):
+ """
+ Whether this path exists.
+
+ This method normally follows symlinks; to check whether a symlink exists,
+ add the argument follow_symlinks=False.
+ """
+ if follow_symlinks:
+ return os.path.exists(self)
+ return os.path.lexists(self)
+
+ def is_dir(self, *, follow_symlinks=True):
+ """
+ Whether this path is a directory.
+ """
+ if follow_symlinks:
+ return os.path.isdir(self)
+ try:
+ return S_ISDIR(self.stat(follow_symlinks=follow_symlinks).st_mode)
+ except (OSError, ValueError):
+ return False
+
+ def is_file(self, *, follow_symlinks=True):
+ """
+ Whether this path is a regular file (also True for symlinks pointing
+ to regular files).
+ """
+ if follow_symlinks:
+ return os.path.isfile(self)
+ try:
+ return S_ISREG(self.stat(follow_symlinks=follow_symlinks).st_mode)
+ except (OSError, ValueError):
+ return False
+
+ def is_mount(self):
+ """
+ Check if this path is a mount point
+ """
+ return os.path.ismount(self)
+
+ def is_symlink(self):
+ """
+ Whether this path is a symbolic link.
+ """
+ return os.path.islink(self)
+
+ def is_junction(self):
+ """
+ Whether this path is a junction.
+ """
+ return os.path.isjunction(self)
+
+ def is_block_device(self):
+ """
+ Whether this path is a block device.
+ """
+ try:
+ return S_ISBLK(self.stat().st_mode)
+ except (OSError, ValueError):
+ return False
+
+ def is_char_device(self):
+ """
+ Whether this path is a character device.
+ """
+ try:
+ return S_ISCHR(self.stat().st_mode)
+ except (OSError, ValueError):
+ return False
+
+ def is_fifo(self):
+ """
+ Whether this path is a FIFO.
+ """
+ try:
+ return S_ISFIFO(self.stat().st_mode)
+ except (OSError, ValueError):
+ return False
+
+ def is_socket(self):
+ """
+ Whether this path is a socket.
+ """
+ try:
+ return S_ISSOCK(self.stat().st_mode)
+ except (OSError, ValueError):
+ return False
+
+ def samefile(self, other_path):
+ """Return whether other_path is the same or not as this file
+ (as returned by os.path.samefile()).
+ """
+ st = self.stat()
+ try:
+ other_st = other_path.stat()
+ except AttributeError:
+ other_st = self.with_segments(other_path).stat()
+ return (st.st_ino == other_st.st_ino and
+ st.st_dev == other_st.st_dev)
+
+ def open(self, mode='r', buffering=-1, encoding=None,
+ errors=None, newline=None):
+ """
+ Open the file pointed to by this path and return a file object, as
+ the built-in open() function does.
+ """
+ if "b" not in mode:
+ encoding = io.text_encoding(encoding)
+ return io.open(self, mode, buffering, encoding, errors, newline)
+
+ def read_bytes(self):
+ """
+ Open the file in bytes mode, read it, and close the file.
+ """
+ with self.open(mode='rb', buffering=0) as f:
+ return f.read()
+
+ def read_text(self, encoding=None, errors=None, newline=None):
+ """
+ Open the file in text mode, read it, and close the file.
+ """
+ # Call io.text_encoding() here to ensure any warning is raised at an
+ # appropriate stack level.
+ encoding = io.text_encoding(encoding)
+ with self.open(mode='r', encoding=encoding, errors=errors, newline=newline) as f:
+ return f.read()
+
+ def write_bytes(self, data):
+ """
+ Open the file in bytes mode, write to it, and close the file.
+ """
+ # type-check for the buffer interface before truncating the file
+ view = memoryview(data)
+ with self.open(mode='wb') as f:
+ return f.write(view)
+
+ def write_text(self, data, encoding=None, errors=None, newline=None):
+ """
+ Open the file in text mode, write to it, and close the file.
+ """
+ # Call io.text_encoding() here to ensure any warning is raised at an
+ # appropriate stack level.
+ encoding = io.text_encoding(encoding)
+ if not isinstance(data, str):
+ raise TypeError('data must be str, not %s' %
+ data.__class__.__name__)
+ with self.open(mode='w', encoding=encoding, errors=errors, newline=newline) as f:
+ return f.write(data)
+
+ def _write_info(self, info, follow_symlinks=True):
+ """
+ Write the given PathInfo to this path.
+ """
+ copy_info(info, self, follow_symlinks=follow_symlinks)
+
+ _remove_leading_dot = operator.itemgetter(slice(2, None))
+ _remove_trailing_slash = operator.itemgetter(slice(-1))
+
+ def _filter_trailing_slash(self, paths):
+ sep = self.parser.sep
+ anchor_len = len(self.anchor)
+ for path_str in paths:
+ if len(path_str) > anchor_len and path_str[-1] == sep:
+ path_str = path_str[:-1]
+ yield path_str
+
+ def _from_dir_entry(self, dir_entry, path_str):
+ path = self.with_segments(path_str)
+ path._str = path_str
+ path._info = DirEntryInfo(dir_entry)
+ return path
+
+ def iterdir(self):
+ """Yield path objects of the directory contents.
+
+ The children are yielded in arbitrary order, and the
+ special entries '.' and '..' are not included.
+ """
+ root_dir = str(self)
+ with os.scandir(root_dir) as scandir_it:
+ entries = list(scandir_it)
+ if root_dir == '.':
+ return (self._from_dir_entry(e, e.name) for e in entries)
+ else:
+ return (self._from_dir_entry(e, e.path) for e in entries)
+
+ def glob(self, pattern, *, case_sensitive=None, recurse_symlinks=False):
+ """Iterate over this subtree and yield all existing files (of any
+ kind, including directories) matching the given relative pattern.
+ """
+ sys.audit("pathlib.Path.glob", self, pattern)
+ if case_sensitive is None:
+ case_sensitive = self.parser is posixpath
+ case_pedantic = False
+ else:
+ # The user has expressed a case sensitivity choice, but we don't
+ # know the case sensitivity of the underlying filesystem, so we
+ # must use scandir() for everything, including non-wildcard parts.
+ case_pedantic = True
+ parts = self._parse_pattern(pattern)
+ recursive = True if recurse_symlinks else _no_recurse_symlinks
+ globber = _StringGlobber(self.parser.sep, case_sensitive, case_pedantic, recursive)
+ select = globber.selector(parts[::-1])
+ root = str(self)
+ paths = select(self.parser.join(root, ''))
+
+ # Normalize results
+ if root == '.':
+ paths = map(self._remove_leading_dot, paths)
+ if parts[-1] == '':
+ paths = map(self._remove_trailing_slash, paths)
+ elif parts[-1] == '**':
+ paths = self._filter_trailing_slash(paths)
+ paths = map(self._from_parsed_string, paths)
+ return paths
+
+ def rglob(self, pattern, *, case_sensitive=None, recurse_symlinks=False):
+ """Recursively yield all existing files (of any kind, including
+ directories) matching the given relative pattern, anywhere in
+ this subtree.
+ """
+ sys.audit("pathlib.Path.rglob", self, pattern)
+ pattern = self.parser.join('**', pattern)
+ return self.glob(pattern, case_sensitive=case_sensitive, recurse_symlinks=recurse_symlinks)
+
+ def walk(self, top_down=True, on_error=None, follow_symlinks=False):
+ """Walk the directory tree from this directory, similar to os.walk()."""
+ sys.audit("pathlib.Path.walk", self, on_error, follow_symlinks)
+ root_dir = str(self)
+ if not follow_symlinks:
+ follow_symlinks = os._walk_symlinks_as_files
+ results = os.walk(root_dir, top_down, on_error, follow_symlinks)
+ for path_str, dirnames, filenames in results:
+ if root_dir == '.':
+ path_str = path_str[2:]
+ yield self._from_parsed_string(path_str), dirnames, filenames
+
+ def absolute(self):
+ """Return an absolute version of this path
+ No normalization or symlink resolution is performed.
+
+ Use resolve() to resolve symlinks and remove '..' segments.
+ """
+ if self.is_absolute():
+ return self
+ if self.root:
+ drive = os.path.splitroot(os.getcwd())[0]
+ return self._from_parsed_parts(drive, self.root, self._tail)
+ if self.drive:
+ # There is a CWD on each drive-letter drive.
+ cwd = os.path.abspath(self.drive)
+ else:
+ cwd = os.getcwd()
+ if not self._tail:
+ # Fast path for "empty" paths, e.g. Path("."), Path("") or Path().
+ # We pass only one argument to with_segments() to avoid the cost
+ # of joining, and we exploit the fact that getcwd() returns a
+ # fully-normalized string by storing it in _str. This is used to
+ # implement Path.cwd().
+ return self._from_parsed_string(cwd)
+ drive, root, rel = os.path.splitroot(cwd)
+ if not rel:
+ return self._from_parsed_parts(drive, root, self._tail)
+ tail = rel.split(self.parser.sep)
+ tail.extend(self._tail)
+ return self._from_parsed_parts(drive, root, tail)
+
+ @classmethod
+ def cwd(cls):
+ """Return a new path pointing to the current working directory."""
+ cwd = os.getcwd()
+ path = cls(cwd)
+ path._str = cwd # getcwd() returns a normalized path
+ return path
+
+ def resolve(self, strict=False):
+ """
+ Make the path absolute, resolving all symlinks on the way and also
+ normalizing it.
+ """
+
+ return self.with_segments(os.path.realpath(self, strict=strict))
+
+ if pwd:
+ def owner(self, *, follow_symlinks=True):
+ """
+ Return the login name of the file owner.
+ """
+ uid = self.stat(follow_symlinks=follow_symlinks).st_uid
+ return pwd.getpwuid(uid).pw_name
+ else:
+ def owner(self, *, follow_symlinks=True):
+ """
+ Return the login name of the file owner.
+ """
+ f = f"{type(self).__name__}.owner()"
+ raise UnsupportedOperation(f"{f} is unsupported on this system")
+
+ if grp:
+ def group(self, *, follow_symlinks=True):
+ """
+ Return the group name of the file gid.
+ """
+ gid = self.stat(follow_symlinks=follow_symlinks).st_gid
+ return grp.getgrgid(gid).gr_name
+ else:
+ def group(self, *, follow_symlinks=True):
+ """
+ Return the group name of the file gid.
+ """
+ f = f"{type(self).__name__}.group()"
+ raise UnsupportedOperation(f"{f} is unsupported on this system")
+
+ if hasattr(os, "readlink"):
+ def readlink(self):
+ """
+ Return the path to which the symbolic link points.
+ """
+ return self.with_segments(os.readlink(self))
+ else:
+ def readlink(self):
+ """
+ Return the path to which the symbolic link points.
+ """
+ f = f"{type(self).__name__}.readlink()"
+ raise UnsupportedOperation(f"{f} is unsupported on this system")
+
+ def touch(self, mode=0o666, exist_ok=True):
+ """
+ Create this file with the given access mode, if it doesn't exist.
+ """
+
+ if exist_ok:
+ # First try to bump modification time
+ # Implementation note: GNU touch uses the UTIME_NOW option of
+ # the utimensat() / futimens() functions.
+ try:
+ os.utime(self, None)
+ except OSError:
+ # Avoid exception chaining
+ pass
+ else:
+ return
+ flags = os.O_CREAT | os.O_WRONLY
+ if not exist_ok:
+ flags |= os.O_EXCL
+ fd = os.open(self, flags, mode)
+ os.close(fd)
+
+ def mkdir(self, mode=0o777, parents=False, exist_ok=False):
+ """
+ Create a new directory at this given path.
+ """
+ try:
+ os.mkdir(self, mode)
+ except FileNotFoundError:
+ if not parents or self.parent == self:
+ raise
+ self.parent.mkdir(parents=True, exist_ok=True)
+ self.mkdir(mode, parents=False, exist_ok=exist_ok)
+ except OSError:
+ # Cannot rely on checking for EEXIST, since the operating system
+ # could give priority to other errors like EACCES or EROFS
+ if not exist_ok or not self.is_dir():
+ raise
+
+ def chmod(self, mode, *, follow_symlinks=True):
+ """
+ Change the permissions of the path, like os.chmod().
+ """
+ os.chmod(self, mode, follow_symlinks=follow_symlinks)
+
+ def lchmod(self, mode):
+ """
+ Like chmod(), except if the path points to a symlink, the symlink's
+ permissions are changed, rather than its target's.
+ """
+ self.chmod(mode, follow_symlinks=False)
+
+ def unlink(self, missing_ok=False):
+ """
+ Remove this file or link.
+ If the path is a directory, use rmdir() instead.
+ """
+ try:
+ os.unlink(self)
+ except FileNotFoundError:
+ if not missing_ok:
+ raise
+
+ def rmdir(self):
+ """
+ Remove this directory. The directory must be empty.
+ """
+ os.rmdir(self)
+
+ def _delete(self):
+ """
+ Delete this file or directory (including all sub-directories).
+ """
+ if self.is_symlink() or self.is_junction():
+ self.unlink()
+ elif self.is_dir():
+ # Lazy import to improve module import time
+ import shutil
+ shutil.rmtree(self)
+ else:
+ self.unlink()
+
+ def rename(self, target):
+ """
+ Rename this path to the target path.
+
+ The target path may be absolute or relative. Relative paths are
+ interpreted relative to the current working directory, *not* the
+ directory of the Path object.
+
+ Returns the new Path instance pointing to the target path.
+ """
+ os.rename(self, target)
+ if not hasattr(target, 'with_segments'):
+ target = self.with_segments(target)
+ return target
+
+ def replace(self, target):
+ """
+ Rename this path to the target path, overwriting if that path exists.
+
+ The target path may be absolute or relative. Relative paths are
+ interpreted relative to the current working directory, *not* the
+ directory of the Path object.
+
+ Returns the new Path instance pointing to the target path.
+ """
+ os.replace(self, target)
+ if not hasattr(target, 'with_segments'):
+ target = self.with_segments(target)
+ return target
+
+ def copy(self, target, follow_symlinks=True, preserve_metadata=False):
+ """
+ Recursively copy this file or directory tree to the given destination.
+ """
+ if not hasattr(target, 'with_segments'):
+ target = self.with_segments(target)
+ ensure_distinct_paths(self, target)
+ copy_file(self, target, follow_symlinks, preserve_metadata)
+ return target.joinpath() # Empty join to ensure fresh metadata.
+
+ def copy_into(self, target_dir, *, follow_symlinks=True,
+ preserve_metadata=False):
+ """
+ Copy this file or directory tree into the given existing directory.
+ """
+ name = self.name
+ if not name:
+ raise ValueError(f"{self!r} has an empty name")
+ elif hasattr(target_dir, 'with_segments'):
+ target = target_dir / name
+ else:
+ target = self.with_segments(target_dir, name)
+ return self.copy(target, follow_symlinks=follow_symlinks,
+ preserve_metadata=preserve_metadata)
+
+ def move(self, target):
+ """
+ Recursively move this file or directory tree to the given destination.
+ """
+ # Use os.replace() if the target is os.PathLike and on the same FS.
+ try:
+ target = self.with_segments(target)
+ except TypeError:
+ pass
+ else:
+ ensure_different_files(self, target)
+ try:
+ os.replace(self, target)
+ except OSError as err:
+ if err.errno != EXDEV:
+ raise
+ else:
+ return target.joinpath() # Empty join to ensure fresh metadata.
+ # Fall back to copy+delete.
+ target = self.copy(target, follow_symlinks=False, preserve_metadata=True)
+ self._delete()
+ return target
+
+ def move_into(self, target_dir):
+ """
+ Move this file or directory tree into the given existing directory.
+ """
+ name = self.name
+ if not name:
+ raise ValueError(f"{self!r} has an empty name")
+ elif hasattr(target_dir, 'with_segments'):
+ target = target_dir / name
+ else:
+ target = self.with_segments(target_dir, name)
+ return self.move(target)
+
+ if hasattr(os, "symlink"):
+ def symlink_to(self, target, target_is_directory=False):
+ """
+ Make this path a symlink pointing to the target path.
+ Note the order of arguments (link, target) is the reverse of os.symlink.
+ """
+ os.symlink(target, self, target_is_directory)
+ else:
+ def symlink_to(self, target, target_is_directory=False):
+ """
+ Make this path a symlink pointing to the target path.
+ Note the order of arguments (link, target) is the reverse of os.symlink.
+ """
+ f = f"{type(self).__name__}.symlink_to()"
+ raise UnsupportedOperation(f"{f} is unsupported on this system")
+
+ if hasattr(os, "link"):
+ def hardlink_to(self, target):
+ """
+ Make this path a hard link pointing to the same file as *target*.
+
+ Note the order of arguments (self, target) is the reverse of os.link's.
+ """
+ os.link(target, self)
+ else:
+ def hardlink_to(self, target):
+ """
+ Make this path a hard link pointing to the same file as *target*.
+
+ Note the order of arguments (self, target) is the reverse of os.link's.
+ """
+ f = f"{type(self).__name__}.hardlink_to()"
+ raise UnsupportedOperation(f"{f} is unsupported on this system")
+
+ def expanduser(self):
+ """ Return a new path with expanded ~ and ~user constructs
+ (as returned by os.path.expanduser)
+ """
+ if (not (self.drive or self.root) and
+ self._tail and self._tail[0][:1] == '~'):
+ homedir = os.path.expanduser(self._tail[0])
+ if homedir[:1] == "~":
+ raise RuntimeError("Could not determine home directory.")
+ drv, root, tail = self._parse_path(homedir)
+ return self._from_parsed_parts(drv, root, tail + self._tail[1:])
+
+ return self
+
+ @classmethod
+ def home(cls):
+ """Return a new path pointing to expanduser('~').
+ """
+ homedir = os.path.expanduser("~")
+ if homedir == "~":
+ raise RuntimeError("Could not determine home directory.")
+ return cls(homedir)
+
+ @classmethod
+ def from_uri(cls, uri):
+ """Return a new path from the given 'file' URI."""
+ if not uri.startswith('file:'):
+ raise ValueError(f"URI does not start with 'file:': {uri!r}")
+ path = uri[5:]
+ if path[:3] == '///':
+ # Remove empty authority
+ path = path[2:]
+ elif path[:12] == '//localhost/':
+ # Remove 'localhost' authority
+ path = path[11:]
+ if path[:3] == '///' or (path[:1] == '/' and path[2:3] in ':|'):
+ # Remove slash before DOS device/UNC path
+ path = path[1:]
+ if path[1:2] == '|':
+ # Replace bar with colon in DOS drive
+ path = path[:1] + ':' + path[2:]
+ from urllib.parse import unquote_to_bytes
+ path = cls(os.fsdecode(unquote_to_bytes(path)))
+ if not path.is_absolute():
+ raise ValueError(f"URI is not absolute: {uri!r}")
+ return path
+
+
+class PosixPath(Path, PurePosixPath):
+ """Path subclass for non-Windows systems.
+
+ On a POSIX system, instantiating a Path should return this object.
+ """
+ __slots__ = ()
+
+ if os.name == 'nt':
+ def __new__(cls, *args, **kwargs):
+ raise UnsupportedOperation(
+ f"cannot instantiate {cls.__name__!r} on your system")
+
+class WindowsPath(Path, PureWindowsPath):
+ """Path subclass for Windows systems.
+
+ On a Windows system, instantiating a Path should return this object.
+ """
+ __slots__ = ()
+
+ if os.name != 'nt':
+ def __new__(cls, *args, **kwargs):
+ raise UnsupportedOperation(
+ f"cannot instantiate {cls.__name__!r} on your system")
+++ /dev/null
-import io
-import ntpath
-import operator
-import os
-import posixpath
-import sys
-from errno import *
-from glob import _StringGlobber, _no_recurse_symlinks
-from itertools import chain
-from stat import S_ISDIR, S_ISREG, S_ISSOCK, S_ISBLK, S_ISCHR, S_ISFIFO
-from _collections_abc import Sequence
-
-try:
- import pwd
-except ImportError:
- pwd = None
-try:
- import grp
-except ImportError:
- grp = None
-
-from pathlib._os import (
- PathInfo, DirEntryInfo,
- ensure_different_files, ensure_distinct_paths,
- copy_file, copy_info,
-)
-
-
-__all__ = [
- "UnsupportedOperation",
- "PurePath", "PurePosixPath", "PureWindowsPath",
- "Path", "PosixPath", "WindowsPath",
- ]
-
-
-class UnsupportedOperation(NotImplementedError):
- """An exception that is raised when an unsupported operation is attempted.
- """
- pass
-
-
-class _PathParents(Sequence):
- """This object provides sequence-like access to the logical ancestors
- of a path. Don't try to construct it yourself."""
- __slots__ = ('_path', '_drv', '_root', '_tail')
-
- def __init__(self, path):
- self._path = path
- self._drv = path.drive
- self._root = path.root
- self._tail = path._tail
-
- def __len__(self):
- return len(self._tail)
-
- def __getitem__(self, idx):
- if isinstance(idx, slice):
- return tuple(self[i] for i in range(*idx.indices(len(self))))
-
- if idx >= len(self) or idx < -len(self):
- raise IndexError(idx)
- if idx < 0:
- idx += len(self)
- return self._path._from_parsed_parts(self._drv, self._root,
- self._tail[:-idx - 1])
-
- def __repr__(self):
- return "<{}.parents>".format(type(self._path).__name__)
-
-
-class PurePath:
- """Base class for manipulating paths without I/O.
-
- PurePath represents a filesystem path and offers operations which
- don't imply any actual filesystem I/O. Depending on your system,
- instantiating a PurePath will return either a PurePosixPath or a
- PureWindowsPath object. You can also instantiate either of these classes
- directly, regardless of your system.
- """
-
- __slots__ = (
- # The `_raw_paths` slot stores unjoined string paths. This is set in
- # the `__init__()` method.
- '_raw_paths',
-
- # The `_drv`, `_root` and `_tail_cached` slots store parsed and
- # normalized parts of the path. They are set when any of the `drive`,
- # `root` or `_tail` properties are accessed for the first time. The
- # three-part division corresponds to the result of
- # `os.path.splitroot()`, except that the tail is further split on path
- # separators (i.e. it is a list of strings), and that the root and
- # tail are normalized.
- '_drv', '_root', '_tail_cached',
-
- # The `_str` slot stores the string representation of the path,
- # computed from the drive, root and tail when `__str__()` is called
- # for the first time. It's used to implement `_str_normcase`
- '_str',
-
- # The `_str_normcase_cached` slot stores the string path with
- # normalized case. It is set when the `_str_normcase` property is
- # accessed for the first time. It's used to implement `__eq__()`
- # `__hash__()`, and `_parts_normcase`
- '_str_normcase_cached',
-
- # The `_parts_normcase_cached` slot stores the case-normalized
- # string path after splitting on path separators. It's set when the
- # `_parts_normcase` property is accessed for the first time. It's used
- # to implement comparison methods like `__lt__()`.
- '_parts_normcase_cached',
-
- # The `_hash` slot stores the hash of the case-normalized string
- # path. It's set when `__hash__()` is called for the first time.
- '_hash',
- )
- parser = os.path
-
- def __new__(cls, *args, **kwargs):
- """Construct a PurePath from one or several strings and or existing
- PurePath objects. The strings and path objects are combined so as
- to yield a canonicalized path, which is incorporated into the
- new PurePath object.
- """
- if cls is PurePath:
- cls = PureWindowsPath if os.name == 'nt' else PurePosixPath
- return object.__new__(cls)
-
- def __init__(self, *args):
- paths = []
- for arg in args:
- if isinstance(arg, PurePath):
- if arg.parser is not self.parser:
- # GH-103631: Convert separators for backwards compatibility.
- paths.append(arg.as_posix())
- else:
- paths.extend(arg._raw_paths)
- else:
- try:
- path = os.fspath(arg)
- except TypeError:
- path = arg
- if not isinstance(path, str):
- raise TypeError(
- "argument should be a str or an os.PathLike "
- "object where __fspath__ returns a str, "
- f"not {type(path).__name__!r}")
- paths.append(path)
- self._raw_paths = paths
-
- def with_segments(self, *pathsegments):
- """Construct a new path object from any number of path-like objects.
- Subclasses may override this method to customize how new path objects
- are created from methods like `iterdir()`.
- """
- return type(self)(*pathsegments)
-
- def joinpath(self, *pathsegments):
- """Combine this path with one or several arguments, and return a
- new path representing either a subpath (if all arguments are relative
- paths) or a totally different path (if one of the arguments is
- anchored).
- """
- return self.with_segments(self, *pathsegments)
-
- def __truediv__(self, key):
- try:
- return self.with_segments(self, key)
- except TypeError:
- return NotImplemented
-
- def __rtruediv__(self, key):
- try:
- return self.with_segments(key, self)
- except TypeError:
- return NotImplemented
-
- def __reduce__(self):
- return self.__class__, tuple(self._raw_paths)
-
- def __repr__(self):
- return "{}({!r})".format(self.__class__.__name__, self.as_posix())
-
- def __fspath__(self):
- return str(self)
-
- def __bytes__(self):
- """Return the bytes representation of the path. This is only
- recommended to use under Unix."""
- return os.fsencode(self)
-
- @property
- def _str_normcase(self):
- # String with normalized case, for hashing and equality checks
- try:
- return self._str_normcase_cached
- except AttributeError:
- if self.parser is posixpath:
- self._str_normcase_cached = str(self)
- else:
- self._str_normcase_cached = str(self).lower()
- return self._str_normcase_cached
-
- def __hash__(self):
- try:
- return self._hash
- except AttributeError:
- self._hash = hash(self._str_normcase)
- return self._hash
-
- def __eq__(self, other):
- if not isinstance(other, PurePath):
- return NotImplemented
- return self._str_normcase == other._str_normcase and self.parser is other.parser
-
- @property
- def _parts_normcase(self):
- # Cached parts with normalized case, for comparisons.
- try:
- return self._parts_normcase_cached
- except AttributeError:
- self._parts_normcase_cached = self._str_normcase.split(self.parser.sep)
- return self._parts_normcase_cached
-
- def __lt__(self, other):
- if not isinstance(other, PurePath) or self.parser is not other.parser:
- return NotImplemented
- return self._parts_normcase < other._parts_normcase
-
- def __le__(self, other):
- if not isinstance(other, PurePath) or self.parser is not other.parser:
- return NotImplemented
- return self._parts_normcase <= other._parts_normcase
-
- def __gt__(self, other):
- if not isinstance(other, PurePath) or self.parser is not other.parser:
- return NotImplemented
- return self._parts_normcase > other._parts_normcase
-
- def __ge__(self, other):
- if not isinstance(other, PurePath) or self.parser is not other.parser:
- return NotImplemented
- return self._parts_normcase >= other._parts_normcase
-
- def __str__(self):
- """Return the string representation of the path, suitable for
- passing to system calls."""
- try:
- return self._str
- except AttributeError:
- self._str = self._format_parsed_parts(self.drive, self.root,
- self._tail) or '.'
- return self._str
-
- @classmethod
- def _format_parsed_parts(cls, drv, root, tail):
- if drv or root:
- return drv + root + cls.parser.sep.join(tail)
- elif tail and cls.parser.splitdrive(tail[0])[0]:
- tail = ['.'] + tail
- return cls.parser.sep.join(tail)
-
- def _from_parsed_parts(self, drv, root, tail):
- path = self._from_parsed_string(self._format_parsed_parts(drv, root, tail))
- path._drv = drv
- path._root = root
- path._tail_cached = tail
- return path
-
- def _from_parsed_string(self, path_str):
- path = self.with_segments(path_str)
- path._str = path_str or '.'
- return path
-
- @classmethod
- def _parse_path(cls, path):
- if not path:
- return '', '', []
- sep = cls.parser.sep
- altsep = cls.parser.altsep
- if altsep:
- path = path.replace(altsep, sep)
- drv, root, rel = cls.parser.splitroot(path)
- if not root and drv.startswith(sep) and not drv.endswith(sep):
- drv_parts = drv.split(sep)
- if len(drv_parts) == 4 and drv_parts[2] not in '?.':
- # e.g. //server/share
- root = sep
- elif len(drv_parts) == 6:
- # e.g. //?/unc/server/share
- root = sep
- return drv, root, [x for x in rel.split(sep) if x and x != '.']
-
- @classmethod
- def _parse_pattern(cls, pattern):
- """Parse a glob pattern to a list of parts. This is much like
- _parse_path, except:
-
- - Rather than normalizing and returning the drive and root, we raise
- NotImplementedError if either are present.
- - If the path has no real parts, we raise ValueError.
- - If the path ends in a slash, then a final empty part is added.
- """
- drv, root, rel = cls.parser.splitroot(pattern)
- if root or drv:
- raise NotImplementedError("Non-relative patterns are unsupported")
- sep = cls.parser.sep
- altsep = cls.parser.altsep
- if altsep:
- rel = rel.replace(altsep, sep)
- parts = [x for x in rel.split(sep) if x and x != '.']
- if not parts:
- raise ValueError(f"Unacceptable pattern: {str(pattern)!r}")
- elif rel.endswith(sep):
- # GH-65238: preserve trailing slash in glob patterns.
- parts.append('')
- return parts
-
- def as_posix(self):
- """Return the string representation of the path with forward (/)
- slashes."""
- return str(self).replace(self.parser.sep, '/')
-
- @property
- def _raw_path(self):
- paths = self._raw_paths
- if len(paths) == 1:
- return paths[0]
- elif paths:
- # Join path segments from the initializer.
- path = self.parser.join(*paths)
- # Cache the joined path.
- paths.clear()
- paths.append(path)
- return path
- else:
- paths.append('')
- return ''
-
- @property
- def drive(self):
- """The drive prefix (letter or UNC path), if any."""
- try:
- return self._drv
- except AttributeError:
- self._drv, self._root, self._tail_cached = self._parse_path(self._raw_path)
- return self._drv
-
- @property
- def root(self):
- """The root of the path, if any."""
- try:
- return self._root
- except AttributeError:
- self._drv, self._root, self._tail_cached = self._parse_path(self._raw_path)
- return self._root
-
- @property
- def _tail(self):
- try:
- return self._tail_cached
- except AttributeError:
- self._drv, self._root, self._tail_cached = self._parse_path(self._raw_path)
- return self._tail_cached
-
- @property
- def anchor(self):
- """The concatenation of the drive and root, or ''."""
- return self.drive + self.root
-
- @property
- def parts(self):
- """An object providing sequence-like access to the
- components in the filesystem path."""
- if self.drive or self.root:
- return (self.drive + self.root,) + tuple(self._tail)
- else:
- return tuple(self._tail)
-
- @property
- def parent(self):
- """The logical parent of the path."""
- drv = self.drive
- root = self.root
- tail = self._tail
- if not tail:
- return self
- return self._from_parsed_parts(drv, root, tail[:-1])
-
- @property
- def parents(self):
- """A sequence of this path's logical parents."""
- # The value of this property should not be cached on the path object,
- # as doing so would introduce a reference cycle.
- return _PathParents(self)
-
- @property
- def name(self):
- """The final path component, if any."""
- tail = self._tail
- if not tail:
- return ''
- return tail[-1]
-
- def with_name(self, name):
- """Return a new path with the file name changed."""
- p = self.parser
- if not name or p.sep in name or (p.altsep and p.altsep in name) or name == '.':
- raise ValueError(f"Invalid name {name!r}")
- tail = self._tail.copy()
- if not tail:
- raise ValueError(f"{self!r} has an empty name")
- tail[-1] = name
- return self._from_parsed_parts(self.drive, self.root, tail)
-
- def with_stem(self, stem):
- """Return a new path with the stem changed."""
- suffix = self.suffix
- if not suffix:
- return self.with_name(stem)
- elif not stem:
- # If the suffix is non-empty, we can't make the stem empty.
- raise ValueError(f"{self!r} has a non-empty suffix")
- else:
- return self.with_name(stem + suffix)
-
- def with_suffix(self, suffix):
- """Return a new path with the file suffix changed. If the path
- has no suffix, add given suffix. If the given suffix is an empty
- string, remove the suffix from the path.
- """
- stem = self.stem
- if not stem:
- # If the stem is empty, we can't make the suffix non-empty.
- raise ValueError(f"{self!r} has an empty name")
- elif suffix and not suffix.startswith('.'):
- raise ValueError(f"Invalid suffix {suffix!r}")
- else:
- return self.with_name(stem + suffix)
-
- @property
- def stem(self):
- """The final path component, minus its last suffix."""
- name = self.name
- i = name.rfind('.')
- if i != -1:
- stem = name[:i]
- # Stem must contain at least one non-dot character.
- if stem.lstrip('.'):
- return stem
- return name
-
- @property
- def suffix(self):
- """
- The final component's last suffix, if any.
-
- This includes the leading period. For example: '.txt'
- """
- name = self.name.lstrip('.')
- i = name.rfind('.')
- if i != -1:
- return name[i:]
- return ''
-
- @property
- def suffixes(self):
- """
- A list of the final component's suffixes, if any.
-
- These include the leading periods. For example: ['.tar', '.gz']
- """
- return ['.' + ext for ext in self.name.lstrip('.').split('.')[1:]]
-
- def relative_to(self, other, *, walk_up=False):
- """Return the relative path to another path identified by the passed
- arguments. If the operation is not possible (because this is not
- related to the other path), raise ValueError.
-
- The *walk_up* parameter controls whether `..` may be used to resolve
- the path.
- """
- if not hasattr(other, 'with_segments'):
- other = self.with_segments(other)
- for step, path in enumerate(chain([other], other.parents)):
- if path == self or path in self.parents:
- break
- elif not walk_up:
- raise ValueError(f"{str(self)!r} is not in the subpath of {str(other)!r}")
- elif path.name == '..':
- raise ValueError(f"'..' segment in {str(other)!r} cannot be walked")
- else:
- raise ValueError(f"{str(self)!r} and {str(other)!r} have different anchors")
- parts = ['..'] * step + self._tail[len(path._tail):]
- return self._from_parsed_parts('', '', parts)
-
- def is_relative_to(self, other):
- """Return True if the path is relative to another path or False.
- """
- if not hasattr(other, 'with_segments'):
- other = self.with_segments(other)
- return other == self or other in self.parents
-
- def is_absolute(self):
- """True if the path is absolute (has both a root and, if applicable,
- a drive)."""
- if self.parser is posixpath:
- # Optimization: work with raw paths on POSIX.
- for path in self._raw_paths:
- if path.startswith('/'):
- return True
- return False
- return self.parser.isabs(self)
-
- def is_reserved(self):
- """Return True if the path contains one of the special names reserved
- by the system, if any."""
- import warnings
- msg = ("pathlib.PurePath.is_reserved() is deprecated and scheduled "
- "for removal in Python 3.15. Use os.path.isreserved() to "
- "detect reserved paths on Windows.")
- warnings.warn(msg, DeprecationWarning, stacklevel=2)
- if self.parser is ntpath:
- return self.parser.isreserved(self)
- return False
-
- def as_uri(self):
- """Return the path as a URI."""
- if not self.is_absolute():
- raise ValueError("relative path can't be expressed as a file URI")
-
- drive = self.drive
- if len(drive) == 2 and drive[1] == ':':
- # It's a path on a local drive => 'file:///c:/a/b'
- prefix = 'file:///' + drive
- path = self.as_posix()[2:]
- elif drive:
- # It's a path on a network drive => 'file://host/share/a/b'
- prefix = 'file:'
- path = self.as_posix()
- else:
- # It's a posix path => 'file:///etc/hosts'
- prefix = 'file://'
- path = str(self)
- from urllib.parse import quote_from_bytes
- return prefix + quote_from_bytes(os.fsencode(path))
-
- def full_match(self, pattern, *, case_sensitive=None):
- """
- Return True if this path matches the given glob-style pattern. The
- pattern is matched against the entire path.
- """
- if not hasattr(pattern, 'with_segments'):
- pattern = self.with_segments(pattern)
- if case_sensitive is None:
- case_sensitive = self.parser is posixpath
-
- # The string representation of an empty path is a single dot ('.'). Empty
- # paths shouldn't match wildcards, so we change it to the empty string.
- path = str(self) if self.parts else ''
- pattern = str(pattern) if pattern.parts else ''
- globber = _StringGlobber(self.parser.sep, case_sensitive, recursive=True)
- return globber.compile(pattern)(path) is not None
-
- def match(self, path_pattern, *, case_sensitive=None):
- """
- Return True if this path matches the given pattern. If the pattern is
- relative, matching is done from the right; otherwise, the entire path
- is matched. The recursive wildcard '**' is *not* supported by this
- method.
- """
- if not hasattr(path_pattern, 'with_segments'):
- path_pattern = self.with_segments(path_pattern)
- if case_sensitive is None:
- case_sensitive = self.parser is posixpath
- path_parts = self.parts[::-1]
- pattern_parts = path_pattern.parts[::-1]
- if not pattern_parts:
- raise ValueError("empty pattern")
- if len(path_parts) < len(pattern_parts):
- return False
- if len(path_parts) > len(pattern_parts) and path_pattern.anchor:
- return False
- globber = _StringGlobber(self.parser.sep, case_sensitive)
- for path_part, pattern_part in zip(path_parts, pattern_parts):
- match = globber.compile(pattern_part)
- if match(path_part) is None:
- return False
- return True
-
-# Subclassing os.PathLike makes isinstance() checks slower,
-# which in turn makes Path construction slower. Register instead!
-os.PathLike.register(PurePath)
-
-
-class PurePosixPath(PurePath):
- """PurePath subclass for non-Windows systems.
-
- On a POSIX system, instantiating a PurePath should return this object.
- However, you can also instantiate it directly on any system.
- """
- parser = posixpath
- __slots__ = ()
-
-
-class PureWindowsPath(PurePath):
- """PurePath subclass for Windows systems.
-
- On a Windows system, instantiating a PurePath should return this object.
- However, you can also instantiate it directly on any system.
- """
- parser = ntpath
- __slots__ = ()
-
-
-class Path(PurePath):
- """PurePath subclass that can make system calls.
-
- Path represents a filesystem path but unlike PurePath, also offers
- methods to do system calls on path objects. Depending on your system,
- instantiating a Path will return either a PosixPath or a WindowsPath
- object. You can also instantiate a PosixPath or WindowsPath directly,
- but cannot instantiate a WindowsPath on a POSIX system or vice versa.
- """
- __slots__ = ('_info',)
-
- def __new__(cls, *args, **kwargs):
- if cls is Path:
- cls = WindowsPath if os.name == 'nt' else PosixPath
- return object.__new__(cls)
-
- @property
- def info(self):
- """
- A PathInfo object that exposes the file type and other file attributes
- of this path.
- """
- try:
- return self._info
- except AttributeError:
- self._info = PathInfo(self)
- return self._info
-
- def stat(self, *, follow_symlinks=True):
- """
- Return the result of the stat() system call on this path, like
- os.stat() does.
- """
- return os.stat(self, follow_symlinks=follow_symlinks)
-
- def lstat(self):
- """
- Like stat(), except if the path points to a symlink, the symlink's
- status information is returned, rather than its target's.
- """
- return os.lstat(self)
-
- def exists(self, *, follow_symlinks=True):
- """
- Whether this path exists.
-
- This method normally follows symlinks; to check whether a symlink exists,
- add the argument follow_symlinks=False.
- """
- if follow_symlinks:
- return os.path.exists(self)
- return os.path.lexists(self)
-
- def is_dir(self, *, follow_symlinks=True):
- """
- Whether this path is a directory.
- """
- if follow_symlinks:
- return os.path.isdir(self)
- try:
- return S_ISDIR(self.stat(follow_symlinks=follow_symlinks).st_mode)
- except (OSError, ValueError):
- return False
-
- def is_file(self, *, follow_symlinks=True):
- """
- Whether this path is a regular file (also True for symlinks pointing
- to regular files).
- """
- if follow_symlinks:
- return os.path.isfile(self)
- try:
- return S_ISREG(self.stat(follow_symlinks=follow_symlinks).st_mode)
- except (OSError, ValueError):
- return False
-
- def is_mount(self):
- """
- Check if this path is a mount point
- """
- return os.path.ismount(self)
-
- def is_symlink(self):
- """
- Whether this path is a symbolic link.
- """
- return os.path.islink(self)
-
- def is_junction(self):
- """
- Whether this path is a junction.
- """
- return os.path.isjunction(self)
-
- def is_block_device(self):
- """
- Whether this path is a block device.
- """
- try:
- return S_ISBLK(self.stat().st_mode)
- except (OSError, ValueError):
- return False
-
- def is_char_device(self):
- """
- Whether this path is a character device.
- """
- try:
- return S_ISCHR(self.stat().st_mode)
- except (OSError, ValueError):
- return False
-
- def is_fifo(self):
- """
- Whether this path is a FIFO.
- """
- try:
- return S_ISFIFO(self.stat().st_mode)
- except (OSError, ValueError):
- return False
-
- def is_socket(self):
- """
- Whether this path is a socket.
- """
- try:
- return S_ISSOCK(self.stat().st_mode)
- except (OSError, ValueError):
- return False
-
- def samefile(self, other_path):
- """Return whether other_path is the same or not as this file
- (as returned by os.path.samefile()).
- """
- st = self.stat()
- try:
- other_st = other_path.stat()
- except AttributeError:
- other_st = self.with_segments(other_path).stat()
- return (st.st_ino == other_st.st_ino and
- st.st_dev == other_st.st_dev)
-
- def open(self, mode='r', buffering=-1, encoding=None,
- errors=None, newline=None):
- """
- Open the file pointed to by this path and return a file object, as
- the built-in open() function does.
- """
- if "b" not in mode:
- encoding = io.text_encoding(encoding)
- return io.open(self, mode, buffering, encoding, errors, newline)
-
- def read_bytes(self):
- """
- Open the file in bytes mode, read it, and close the file.
- """
- with self.open(mode='rb', buffering=0) as f:
- return f.read()
-
- def read_text(self, encoding=None, errors=None, newline=None):
- """
- Open the file in text mode, read it, and close the file.
- """
- # Call io.text_encoding() here to ensure any warning is raised at an
- # appropriate stack level.
- encoding = io.text_encoding(encoding)
- with self.open(mode='r', encoding=encoding, errors=errors, newline=newline) as f:
- return f.read()
-
- def write_bytes(self, data):
- """
- Open the file in bytes mode, write to it, and close the file.
- """
- # type-check for the buffer interface before truncating the file
- view = memoryview(data)
- with self.open(mode='wb') as f:
- return f.write(view)
-
- def write_text(self, data, encoding=None, errors=None, newline=None):
- """
- Open the file in text mode, write to it, and close the file.
- """
- # Call io.text_encoding() here to ensure any warning is raised at an
- # appropriate stack level.
- encoding = io.text_encoding(encoding)
- if not isinstance(data, str):
- raise TypeError('data must be str, not %s' %
- data.__class__.__name__)
- with self.open(mode='w', encoding=encoding, errors=errors, newline=newline) as f:
- return f.write(data)
-
- def _write_info(self, info, follow_symlinks=True):
- """
- Write the given PathInfo to this path.
- """
- copy_info(info, self, follow_symlinks=follow_symlinks)
-
- _remove_leading_dot = operator.itemgetter(slice(2, None))
- _remove_trailing_slash = operator.itemgetter(slice(-1))
-
- def _filter_trailing_slash(self, paths):
- sep = self.parser.sep
- anchor_len = len(self.anchor)
- for path_str in paths:
- if len(path_str) > anchor_len and path_str[-1] == sep:
- path_str = path_str[:-1]
- yield path_str
-
- def _from_dir_entry(self, dir_entry, path_str):
- path = self.with_segments(path_str)
- path._str = path_str
- path._info = DirEntryInfo(dir_entry)
- return path
-
- def iterdir(self):
- """Yield path objects of the directory contents.
-
- The children are yielded in arbitrary order, and the
- special entries '.' and '..' are not included.
- """
- root_dir = str(self)
- with os.scandir(root_dir) as scandir_it:
- entries = list(scandir_it)
- if root_dir == '.':
- return (self._from_dir_entry(e, e.name) for e in entries)
- else:
- return (self._from_dir_entry(e, e.path) for e in entries)
-
- def glob(self, pattern, *, case_sensitive=None, recurse_symlinks=False):
- """Iterate over this subtree and yield all existing files (of any
- kind, including directories) matching the given relative pattern.
- """
- sys.audit("pathlib.Path.glob", self, pattern)
- if case_sensitive is None:
- case_sensitive = self.parser is posixpath
- case_pedantic = False
- else:
- # The user has expressed a case sensitivity choice, but we don't
- # know the case sensitivity of the underlying filesystem, so we
- # must use scandir() for everything, including non-wildcard parts.
- case_pedantic = True
- parts = self._parse_pattern(pattern)
- recursive = True if recurse_symlinks else _no_recurse_symlinks
- globber = _StringGlobber(self.parser.sep, case_sensitive, case_pedantic, recursive)
- select = globber.selector(parts[::-1])
- root = str(self)
- paths = select(self.parser.join(root, ''))
-
- # Normalize results
- if root == '.':
- paths = map(self._remove_leading_dot, paths)
- if parts[-1] == '':
- paths = map(self._remove_trailing_slash, paths)
- elif parts[-1] == '**':
- paths = self._filter_trailing_slash(paths)
- paths = map(self._from_parsed_string, paths)
- return paths
-
- def rglob(self, pattern, *, case_sensitive=None, recurse_symlinks=False):
- """Recursively yield all existing files (of any kind, including
- directories) matching the given relative pattern, anywhere in
- this subtree.
- """
- sys.audit("pathlib.Path.rglob", self, pattern)
- pattern = self.parser.join('**', pattern)
- return self.glob(pattern, case_sensitive=case_sensitive, recurse_symlinks=recurse_symlinks)
-
- def walk(self, top_down=True, on_error=None, follow_symlinks=False):
- """Walk the directory tree from this directory, similar to os.walk()."""
- sys.audit("pathlib.Path.walk", self, on_error, follow_symlinks)
- root_dir = str(self)
- if not follow_symlinks:
- follow_symlinks = os._walk_symlinks_as_files
- results = os.walk(root_dir, top_down, on_error, follow_symlinks)
- for path_str, dirnames, filenames in results:
- if root_dir == '.':
- path_str = path_str[2:]
- yield self._from_parsed_string(path_str), dirnames, filenames
-
- def absolute(self):
- """Return an absolute version of this path
- No normalization or symlink resolution is performed.
-
- Use resolve() to resolve symlinks and remove '..' segments.
- """
- if self.is_absolute():
- return self
- if self.root:
- drive = os.path.splitroot(os.getcwd())[0]
- return self._from_parsed_parts(drive, self.root, self._tail)
- if self.drive:
- # There is a CWD on each drive-letter drive.
- cwd = os.path.abspath(self.drive)
- else:
- cwd = os.getcwd()
- if not self._tail:
- # Fast path for "empty" paths, e.g. Path("."), Path("") or Path().
- # We pass only one argument to with_segments() to avoid the cost
- # of joining, and we exploit the fact that getcwd() returns a
- # fully-normalized string by storing it in _str. This is used to
- # implement Path.cwd().
- return self._from_parsed_string(cwd)
- drive, root, rel = os.path.splitroot(cwd)
- if not rel:
- return self._from_parsed_parts(drive, root, self._tail)
- tail = rel.split(self.parser.sep)
- tail.extend(self._tail)
- return self._from_parsed_parts(drive, root, tail)
-
- @classmethod
- def cwd(cls):
- """Return a new path pointing to the current working directory."""
- cwd = os.getcwd()
- path = cls(cwd)
- path._str = cwd # getcwd() returns a normalized path
- return path
-
- def resolve(self, strict=False):
- """
- Make the path absolute, resolving all symlinks on the way and also
- normalizing it.
- """
-
- return self.with_segments(os.path.realpath(self, strict=strict))
-
- if pwd:
- def owner(self, *, follow_symlinks=True):
- """
- Return the login name of the file owner.
- """
- uid = self.stat(follow_symlinks=follow_symlinks).st_uid
- return pwd.getpwuid(uid).pw_name
- else:
- def owner(self, *, follow_symlinks=True):
- """
- Return the login name of the file owner.
- """
- f = f"{type(self).__name__}.owner()"
- raise UnsupportedOperation(f"{f} is unsupported on this system")
-
- if grp:
- def group(self, *, follow_symlinks=True):
- """
- Return the group name of the file gid.
- """
- gid = self.stat(follow_symlinks=follow_symlinks).st_gid
- return grp.getgrgid(gid).gr_name
- else:
- def group(self, *, follow_symlinks=True):
- """
- Return the group name of the file gid.
- """
- f = f"{type(self).__name__}.group()"
- raise UnsupportedOperation(f"{f} is unsupported on this system")
-
- if hasattr(os, "readlink"):
- def readlink(self):
- """
- Return the path to which the symbolic link points.
- """
- return self.with_segments(os.readlink(self))
- else:
- def readlink(self):
- """
- Return the path to which the symbolic link points.
- """
- f = f"{type(self).__name__}.readlink()"
- raise UnsupportedOperation(f"{f} is unsupported on this system")
-
- def touch(self, mode=0o666, exist_ok=True):
- """
- Create this file with the given access mode, if it doesn't exist.
- """
-
- if exist_ok:
- # First try to bump modification time
- # Implementation note: GNU touch uses the UTIME_NOW option of
- # the utimensat() / futimens() functions.
- try:
- os.utime(self, None)
- except OSError:
- # Avoid exception chaining
- pass
- else:
- return
- flags = os.O_CREAT | os.O_WRONLY
- if not exist_ok:
- flags |= os.O_EXCL
- fd = os.open(self, flags, mode)
- os.close(fd)
-
- def mkdir(self, mode=0o777, parents=False, exist_ok=False):
- """
- Create a new directory at this given path.
- """
- try:
- os.mkdir(self, mode)
- except FileNotFoundError:
- if not parents or self.parent == self:
- raise
- self.parent.mkdir(parents=True, exist_ok=True)
- self.mkdir(mode, parents=False, exist_ok=exist_ok)
- except OSError:
- # Cannot rely on checking for EEXIST, since the operating system
- # could give priority to other errors like EACCES or EROFS
- if not exist_ok or not self.is_dir():
- raise
-
- def chmod(self, mode, *, follow_symlinks=True):
- """
- Change the permissions of the path, like os.chmod().
- """
- os.chmod(self, mode, follow_symlinks=follow_symlinks)
-
- def lchmod(self, mode):
- """
- Like chmod(), except if the path points to a symlink, the symlink's
- permissions are changed, rather than its target's.
- """
- self.chmod(mode, follow_symlinks=False)
-
- def unlink(self, missing_ok=False):
- """
- Remove this file or link.
- If the path is a directory, use rmdir() instead.
- """
- try:
- os.unlink(self)
- except FileNotFoundError:
- if not missing_ok:
- raise
-
- def rmdir(self):
- """
- Remove this directory. The directory must be empty.
- """
- os.rmdir(self)
-
- def _delete(self):
- """
- Delete this file or directory (including all sub-directories).
- """
- if self.is_symlink() or self.is_junction():
- self.unlink()
- elif self.is_dir():
- # Lazy import to improve module import time
- import shutil
- shutil.rmtree(self)
- else:
- self.unlink()
-
- def rename(self, target):
- """
- Rename this path to the target path.
-
- The target path may be absolute or relative. Relative paths are
- interpreted relative to the current working directory, *not* the
- directory of the Path object.
-
- Returns the new Path instance pointing to the target path.
- """
- os.rename(self, target)
- if not hasattr(target, 'with_segments'):
- target = self.with_segments(target)
- return target
-
- def replace(self, target):
- """
- Rename this path to the target path, overwriting if that path exists.
-
- The target path may be absolute or relative. Relative paths are
- interpreted relative to the current working directory, *not* the
- directory of the Path object.
-
- Returns the new Path instance pointing to the target path.
- """
- os.replace(self, target)
- if not hasattr(target, 'with_segments'):
- target = self.with_segments(target)
- return target
-
- def copy(self, target, follow_symlinks=True, preserve_metadata=False):
- """
- Recursively copy this file or directory tree to the given destination.
- """
- if not hasattr(target, 'with_segments'):
- target = self.with_segments(target)
- ensure_distinct_paths(self, target)
- copy_file(self, target, follow_symlinks, preserve_metadata)
- return target.joinpath() # Empty join to ensure fresh metadata.
-
- def copy_into(self, target_dir, *, follow_symlinks=True,
- preserve_metadata=False):
- """
- Copy this file or directory tree into the given existing directory.
- """
- name = self.name
- if not name:
- raise ValueError(f"{self!r} has an empty name")
- elif hasattr(target_dir, 'with_segments'):
- target = target_dir / name
- else:
- target = self.with_segments(target_dir, name)
- return self.copy(target, follow_symlinks=follow_symlinks,
- preserve_metadata=preserve_metadata)
-
- def move(self, target):
- """
- Recursively move this file or directory tree to the given destination.
- """
- # Use os.replace() if the target is os.PathLike and on the same FS.
- try:
- target = self.with_segments(target)
- except TypeError:
- pass
- else:
- ensure_different_files(self, target)
- try:
- os.replace(self, target)
- except OSError as err:
- if err.errno != EXDEV:
- raise
- else:
- return target.joinpath() # Empty join to ensure fresh metadata.
- # Fall back to copy+delete.
- target = self.copy(target, follow_symlinks=False, preserve_metadata=True)
- self._delete()
- return target
-
- def move_into(self, target_dir):
- """
- Move this file or directory tree into the given existing directory.
- """
- name = self.name
- if not name:
- raise ValueError(f"{self!r} has an empty name")
- elif hasattr(target_dir, 'with_segments'):
- target = target_dir / name
- else:
- target = self.with_segments(target_dir, name)
- return self.move(target)
-
- if hasattr(os, "symlink"):
- def symlink_to(self, target, target_is_directory=False):
- """
- Make this path a symlink pointing to the target path.
- Note the order of arguments (link, target) is the reverse of os.symlink.
- """
- os.symlink(target, self, target_is_directory)
- else:
- def symlink_to(self, target, target_is_directory=False):
- """
- Make this path a symlink pointing to the target path.
- Note the order of arguments (link, target) is the reverse of os.symlink.
- """
- f = f"{type(self).__name__}.symlink_to()"
- raise UnsupportedOperation(f"{f} is unsupported on this system")
-
- if hasattr(os, "link"):
- def hardlink_to(self, target):
- """
- Make this path a hard link pointing to the same file as *target*.
-
- Note the order of arguments (self, target) is the reverse of os.link's.
- """
- os.link(target, self)
- else:
- def hardlink_to(self, target):
- """
- Make this path a hard link pointing to the same file as *target*.
-
- Note the order of arguments (self, target) is the reverse of os.link's.
- """
- f = f"{type(self).__name__}.hardlink_to()"
- raise UnsupportedOperation(f"{f} is unsupported on this system")
-
- def expanduser(self):
- """ Return a new path with expanded ~ and ~user constructs
- (as returned by os.path.expanduser)
- """
- if (not (self.drive or self.root) and
- self._tail and self._tail[0][:1] == '~'):
- homedir = os.path.expanduser(self._tail[0])
- if homedir[:1] == "~":
- raise RuntimeError("Could not determine home directory.")
- drv, root, tail = self._parse_path(homedir)
- return self._from_parsed_parts(drv, root, tail + self._tail[1:])
-
- return self
-
- @classmethod
- def home(cls):
- """Return a new path pointing to expanduser('~').
- """
- homedir = os.path.expanduser("~")
- if homedir == "~":
- raise RuntimeError("Could not determine home directory.")
- return cls(homedir)
-
- @classmethod
- def from_uri(cls, uri):
- """Return a new path from the given 'file' URI."""
- if not uri.startswith('file:'):
- raise ValueError(f"URI does not start with 'file:': {uri!r}")
- path = uri[5:]
- if path[:3] == '///':
- # Remove empty authority
- path = path[2:]
- elif path[:12] == '//localhost/':
- # Remove 'localhost' authority
- path = path[11:]
- if path[:3] == '///' or (path[:1] == '/' and path[2:3] in ':|'):
- # Remove slash before DOS device/UNC path
- path = path[1:]
- if path[1:2] == '|':
- # Replace bar with colon in DOS drive
- path = path[:1] + ':' + path[2:]
- from urllib.parse import unquote_to_bytes
- path = cls(os.fsdecode(unquote_to_bytes(path)))
- if not path.is_absolute():
- raise ValueError(f"URI is not absolute: {uri!r}")
- return path
-
-
-class PosixPath(Path, PurePosixPath):
- """Path subclass for non-Windows systems.
-
- On a POSIX system, instantiating a Path should return this object.
- """
- __slots__ = ()
-
- if os.name == 'nt':
- def __new__(cls, *args, **kwargs):
- raise UnsupportedOperation(
- f"cannot instantiate {cls.__name__!r} on your system")
-
-class WindowsPath(Path, PureWindowsPath):
- """Path subclass for Windows systems.
-
- On a Windows system, instantiating a Path should return this object.
- """
- __slots__ = ()
-
- if os.name != 'nt':
- def __new__(cls, *args, **kwargs):
- raise UnsupportedOperation(
- f"cannot instantiate {cls.__name__!r} on your system")
projects / thirdparty / Python / cpython.git / commitdiff
