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Diffstat (limited to 'Doc/library/shutil.rst')
| -rw-r--r-- | Doc/library/shutil.rst | 52 |
1 files changed, 45 insertions, 7 deletions
diff --git a/Doc/library/shutil.rst b/Doc/library/shutil.rst index d96fd71..82974ad 100644 --- a/Doc/library/shutil.rst +++ b/Doc/library/shutil.rst @@ -191,7 +191,8 @@ Directory and files operations match one of the glob-style *patterns* provided. See the example below. -.. function:: copytree(src, dst, symlinks=False, ignore=None, copy_function=copy2, ignore_dangling_symlinks=False) +.. function:: copytree(src, dst, symlinks=False, ignore=None, \ + copy_function=copy2, ignore_dangling_symlinks=False) Recursively copy an entire directory tree rooted at *src*, returning the destination directory. The destination @@ -282,7 +283,7 @@ Directory and files operations .. versionadded:: 3.3 -.. function:: move(src, dst) +.. function:: move(src, dst, copy_function=copy2) Recursively move a file or directory (*src*) to another location (*dst*) and return the destination. @@ -295,15 +296,26 @@ Directory and files operations :func:`os.rename` semantics. If the destination is on the current filesystem, then :func:`os.rename` is - used. Otherwise, *src* is copied (using :func:`shutil.copy2`) to *dst* and - then removed. In case of symlinks, a new symlink pointing to the target of - *src* will be created in or as *dst* and *src* will be removed. + used. Otherwise, *src* is copied to *dst* using *copy_function* and then + removed. In case of symlinks, a new symlink pointing to the target of *src* + will be created in or as *dst* and *src* will be removed. + + If *copy_function* is given, it must be a callable that takes two arguments + *src* and *dst*, and will be used to copy *src* to *dest* if + :func:`os.rename` cannot be used. If the source is a directory, + :func:`copytree` is called, passing it the :func:`copy_function`. The + default *copy_function* is :func:`copy2`. Using :func:`copy` as the + *copy_function* allows the move to succeed when it is not possible to also + copy the metadata, at the expense of not copying any of the metadata. .. versionchanged:: 3.3 Added explicit symlink handling for foreign filesystems, thus adapting it to the behavior of GNU's :program:`mv`. Now returns *dst*. + .. versionchanged:: 3.5 + Added the *copy_function* keyword argument. + .. function:: disk_usage(path) Return disk usage statistics about the given path as a :term:`named tuple` @@ -341,7 +353,7 @@ Directory and files operations On Windows, the current directory is always prepended to the *path* whether or not you use the default or provide your own, which is the behavior the - command shell uses when finding executables. Additionaly, when finding the + command shell uses when finding executables. Additionally, when finding the *cmd* in the *path*, the ``PATHEXT`` environment variable is checked. For example, if you call ``shutil.which("python")``, :func:`which` will search ``PATHEXT`` to know that it should look for ``python.exe`` within the *path* @@ -421,6 +433,26 @@ Another example that uses the *ignore* argument to add a logging call:: copytree(source, destination, ignore=_logpath) +.. _shutil-rmtree-example: + +rmtree example +~~~~~~~~~~~~~~ + +This example shows how to remove a directory tree on Windows where some +of the files have their read-only bit set. It uses the onerror callback +to clear the readonly bit and reattempt the remove. Any subsequent failure +will propagate. :: + + import os, stat + import shutil + + def remove_readonly(func, path, _): + "Clear the readonly bit and reattempt the removal" + os.chmod(path, stat.S_IWRITE) + func(path) + + shutil.rmtree(directory, onerror=remove_readonly) + .. _archiving-operations: Archiving operations @@ -437,7 +469,8 @@ provided. They rely on the :mod:`zipfile` and :mod:`tarfile` modules. *base_name* is the name of the file to create, including the path, minus any format-specific extension. *format* is the archive format: one of - "zip", "tar", "bztar" (if the :mod:`bz2` module is available) or "gztar". + "zip", "tar", "bztar" (if the :mod:`bz2` module is available), "xztar" + (if the :mod:`lzma` module is available) or "gztar". *root_dir* is a directory that will be the root directory of the archive; for example, we typically chdir into *root_dir* before creating the @@ -460,6 +493,9 @@ provided. They rely on the :mod:`zipfile` and :mod:`tarfile` modules. The *verbose* argument is unused and deprecated. + .. versionchanged:: 3.5 + Added support for the *xztar* format. + .. function:: get_archive_formats() @@ -470,6 +506,7 @@ provided. They rely on the :mod:`zipfile` and :mod:`tarfile` modules. - *gztar*: gzip'ed tar-file - *bztar*: bzip2'ed tar-file (if the :mod:`bz2` module is available.) + - *xztar*: xz'ed tar-file (if the :mod:`lzma` module is available.) - *tar*: uncompressed tar file - *zip*: ZIP file @@ -545,6 +582,7 @@ provided. They rely on the :mod:`zipfile` and :mod:`tarfile` modules. - *gztar*: gzip'ed tar-file - *bztar*: bzip2'ed tar-file (if the :mod:`bz2` module is available.) + - *xztar*: xz'ed tar-file (if the :mod:`lzma` module is available.) - *tar*: uncompressed tar file - *zip*: ZIP file |