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Diffstat (limited to 'Doc/library')
| -rw-r--r-- | Doc/library/os.rst | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/Doc/library/os.rst b/Doc/library/os.rst index 0c5c40c..e9352d9 100644 --- a/Doc/library/os.rst +++ b/Doc/library/os.rst @@ -751,6 +751,26 @@ as internal buffering of data. This function is not available on MacOS. +.. function:: fgetxattr(fd, attr) + + This works exactly like :func:`getxattr` but operates on a file descriptor, + *fd*, instead of a path. + + Availability: Linux + + .. versionadded:: 3.3 + + +.. function:: flistxattr(fd) + + This is exactly like :func:`listxattr` but operates on a file descriptor, + *fd*, instead of a path. + + Availability: Linux + + .. versionadded:: 3.3 + + .. function:: fdlistdir(fd) Like :func:`listdir`, but uses a file descriptor instead and always returns @@ -836,6 +856,27 @@ as internal buffering of data. Availability: Unix. +.. function:: fremovexattr(fd, attr) + + This works exactly like :func:`removexattr` but operates on a file + descriptor, *fd*, instead of a path. + + Availability: Linux + + .. versionadded:: 3.3 + + +.. function:: fsetxattr(fd, attr, value, flags=0) + + This works exactly like :func:`setxattr` but on a file descriptor, *fd*, + instead of a path. + + + Availability: Linux + + .. versionadded:: 3.3 + + .. function:: futimesat(dirfd, path, (atime, mtime)) futimesat(dirfd, path, None) @@ -1536,6 +1577,17 @@ Files and Directories Availability: Unix. +.. function:: getxattr(path, attr) + + Return the value of the extended filesystem attribute *attr* for + *path*. *attr* can be bytes or str. If it is str, it is encoded with the + filesystem encoding. + + Availability: Linux + + .. versionadded:: 3.3 + + .. function:: lchflags(path, flags) Set the flags of *path* to the numeric *flags*, like :func:`chflags`, but do not @@ -1561,6 +1613,15 @@ Files and Directories Availability: Unix. +.. function:: lgetxattr(path, attr) + + This works exactly like :func:`getxattr` but doesn't follow symlinks. + + Availability: Linux + + .. versionadded:: 3.3 + + .. function:: link(source, link_name) Create a hard link pointing to *source* named *link_name*. @@ -1585,6 +1646,44 @@ Files and Directories .. versionchanged:: 3.2 The *path* parameter became optional. + +.. function:: listxattr(path) + + Return a list of the extended filesystem attributes on *path*. Attributes are + returned as string decoded with the filesystem encoding. + + Availability: Linux + + .. versionadded:: 3.3 + + +.. function:: llistxattr(path) + + This works exactly like :func:`listxattr` but doesn't follow symlinks. + + Availability: Linux + + .. versionadded:: 3.3 + + +.. function:: lremoveattr(path, attr) + + This works exactly like :func:`removeattr` but doesn't follow symlinks. + + Availability: Linux + + .. versionadded:: 3.3 + + +.. function:: lsetxattr(path, attr, value, flags=0) + + This works exactly like :func:`setxattr` but doesn't follow symlinks. + + Availability: Linux + + .. versionadded:: 3.3 + + .. function:: lstat(path) Perform the equivalent of an :c:func:`lstat` system call on the given path. @@ -1758,6 +1857,17 @@ Files and Directories successfully removed. +.. function:: removexattr(path, attr) + + Removes the extended filesystem attribute *attr* from *path*. *attr* should + be bytes or str. If it is a string, it is encoded with the filesystem + encoding. + + Availability: Linux + + .. versionadded:: 3.3 + + .. function:: rename(src, dst) Rename the file or directory *src* to *dst*. If *dst* is a directory, @@ -1794,6 +1904,44 @@ Files and Directories Availability: Unix, Windows. +.. data:: XATTR_SIZE_MAX + + The maximum size the value of an extended attribute can be. Currently, this + is 64 kilobytes on Linux. + + +.. data:: XATTR_CREATE + + This is a possible value for the flags argument in :func:`setxattr`. It + indicates the operation must create an attribute. + + +.. data:: XATTR_REPLACE + + This is a possible value for the flags argument in :func:`setxattr`. It + indicates the operation must replace an existing attribute. + + +.. function:: setxattr(path, attr, value, flags=0) + + Set the extended filesystem attribute *attr* on *path* to *value*. *attr* + must be a bytes or str with no embedded NULs. If it is str, it is encoded + with the filesystem encoding. *flags* may be :data:`XATTR_REPLACE` or + :data:`XATTR_CREATE`. If :data:`XATTR_REPLACE` is given and the attribute + does not exist, ``EEXISTS`` will be raised. If :data:`XATTR_CREATE` is given + and the attribute already exists, the attribute will not be created and + ``ENODATA`` will be raised. + + Availability: Linux + + .. note:: + + A bug in Linux kernel versions less than 2.6.39 caused the flags argument + to be ignored on some filesystems. + + .. versionadded:: 3.3 + + .. function:: stat(path) Perform the equivalent of a :c:func:`stat` system call on the given path. |