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autogil.rst.txt	1015	0644	editdlrm
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fnmatch.rst.txt	3104	0644	editdlrm
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fractions.rst.txt	5297	0644	editdlrm
framework.rst.txt	11444	0644	editdlrm
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ftplib.rst.txt	15720	0644	editdlrm
functions.rst.txt	75554	0644	editdlrm
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os.path.rst.txt	13094	0644	editdlrm
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ossaudiodev.rst.txt	17309	0644	editdlrm
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pdb.rst.txt	16043	0644	editdlrm
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pickle.rst.txt	37262	0644	editdlrm
pickletools.rst.txt	1997	0644	editdlrm
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popen2.rst.txt	7022	0644	editdlrm
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pydoc.rst.txt	4083	0644	editdlrm
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python.rst.txt	514	0644	editdlrm
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rfc822.rst.txt	14037	0644	editdlrm
rlcompleter.rst.txt	2494	0644	editdlrm
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sched.rst.txt	4644	0644	editdlrm
scrolledtext.rst.txt	1379	0644	editdlrm
select.rst.txt	20705	0644	editdlrm
sets.rst.txt	14973	0644	editdlrm
sgi.rst.txt	322	0644	editdlrm
sgmllib.rst.txt	10664	0644	editdlrm
sha.rst.txt	2807	0644	editdlrm
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signal.rst.txt	10719	0644	editdlrm
simplehttpserver.rst.txt	4559	0644	editdlrm
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__main__.rst.txt	535	0644	editdlrm

:mod:`shutil` --- High-level file operations ============================================ .. module:: shutil :synopsis: High-level file operations, including copying. .. sectionauthor:: Fred L. Drake, Jr. .. partly based on the docstrings .. index:: single: file; copying single: copying files **Source code:** :source:`Lib/shutil.py` -------------- The :mod:`shutil` module offers a number of high-level operations on files and collections of files. In particular, functions are provided which support file copying and removal. For operations on individual files, see also the :mod:`os` module. .. warning:: Even the higher-level file copying functions (:func:`shutil.copy`, :func:`shutil.copy2`) can't copy all file metadata. On POSIX platforms, this means that file owner and group are lost as well as ACLs. On Mac OS, the resource fork and other metadata are not used. This means that resources will be lost and file type and creator codes will not be correct. On Windows, file owners, ACLs and alternate data streams are not copied. .. _file-operations: Directory and files operations ------------------------------ .. function:: copyfileobj(fsrc, fdst[, length]) Copy the contents of the file-like object *fsrc* to the file-like object *fdst*. The integer *length*, if given, is the buffer size. In particular, a negative *length* value means to copy the data without looping over the source data in chunks; by default the data is read in chunks to avoid uncontrolled memory consumption. Note that if the current file position of the *fsrc* object is not 0, only the contents from the current file position to the end of the file will be copied. .. function:: copyfile(src, dst) Copy the contents (no metadata) of the file named *src* to a file named *dst*. *dst* must be the complete target file name; look at :func:`shutil.copy` for a copy that accepts a target directory path. If *src* and *dst* are the same files, :exc:`Error` is raised. The destination location must be writable; otherwise, an :exc:`IOError` exception will be raised. If *dst* already exists, it will be replaced. Special files such as character or block devices and pipes cannot be copied with this function. *src* and *dst* are path names given as strings. .. function:: copymode(src, dst) Copy the permission bits from *src* to *dst*. The file contents, owner, and group are unaffected. *src* and *dst* are path names given as strings. .. function:: copystat(src, dst) Copy the permission bits, last access time, last modification time, and flags from *src* to *dst*. The file contents, owner, and group are unaffected. *src* and *dst* are path names given as strings. .. function:: copy(src, dst) Copy the file *src* to the file or directory *dst*. If *dst* is a directory, a file with the same basename as *src* is created (or overwritten) in the directory specified. Permission bits are copied. *src* and *dst* are path names given as strings. .. function:: copy2(src, dst) Identical to :func:`~shutil.copy` except that :func:`copy2` also attempts to preserve file metadata. :func:`copy2` uses :func:`copystat` to copy the file metadata. Please see :func:`copystat` for more information. .. function:: ignore_patterns(\*patterns) This factory function creates a function that can be used as a callable for :func:`copytree`\'s *ignore* argument, ignoring files and directories that match one of the glob-style *patterns* provided. See the example below. .. versionadded:: 2.6 .. function:: copytree(src, dst, symlinks=False, ignore=None) Recursively copy an entire directory tree rooted at *src*. The destination directory, named by *dst*, must not already exist; it will be created as well as missing parent directories. Permissions and times of directories are copied with :func:`copystat`, individual files are copied using :func:`shutil.copy2`. If *symlinks* is true, symbolic links in the source tree are represented as symbolic links in the new tree, but the metadata of the original links is NOT copied; if false or omitted, the contents and metadata of the linked files are copied to the new tree. If *ignore* is given, it must be a callable that will receive as its arguments the directory being visited by :func:`copytree`, and a list of its contents, as returned by :func:`os.listdir`. Since :func:`copytree` is called recursively, the *ignore* callable will be called once for each directory that is copied. The callable must return a sequence of directory and file names relative to the current directory (i.e. a subset of the items in its second argument); these names will then be ignored in the copy process. :func:`ignore_patterns` can be used to create such a callable that ignores names based on glob-style patterns. If exception(s) occur, an :exc:`Error` is raised with a list of reasons. The source code for this should be considered an example rather than the ultimate tool. .. versionchanged:: 2.3 :exc:`Error` is raised if any exceptions occur during copying, rather than printing a message. .. versionchanged:: 2.5 Create intermediate directories needed to create *dst*, rather than raising an error. Copy permissions and times of directories using :func:`copystat`. .. versionchanged:: 2.6 Added the *ignore* argument to be able to influence what is being copied. .. function:: rmtree(path[, ignore_errors[, onerror]]) .. index:: single: directory; deleting Delete an entire directory tree; *path* must point to a directory (but not a symbolic link to a directory). If *ignore_errors* is true, errors resulting from failed removals will be ignored; if false or omitted, such errors are handled by calling a handler specified by *onerror* or, if that is omitted, they raise an exception. If *onerror* is provided, it must be a callable that accepts three parameters: *function*, *path*, and *excinfo*. The first parameter, *function*, is the function which raised the exception; it will be :func:`os.path.islink`, :func:`os.listdir`, :func:`os.remove` or :func:`os.rmdir`. The second parameter, *path*, will be the path name passed to *function*. The third parameter, *excinfo*, will be the exception information return by :func:`sys.exc_info`. Exceptions raised by *onerror* will not be caught. .. versionchanged:: 2.6 Explicitly check for *path* being a symbolic link and raise :exc:`OSError` in that case. .. function:: move(src, dst) Recursively move a file or directory (*src*) to another location (*dst*). If the destination is an existing directory, then *src* is moved inside that directory. If the destination already exists but is not a directory, it may be overwritten depending on :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. .. versionadded:: 2.3 .. exception:: Error This exception collects exceptions that are raised during a multi-file operation. For :func:`copytree`, the exception argument is a list of 3-tuples (*srcname*, *dstname*, *exception*). .. versionadded:: 2.3 .. _copytree-example: copytree example :::::::::::::::: This example is the implementation of the :func:`copytree` function, described above, with the docstring omitted. It demonstrates many of the other functions provided by this module. :: def copytree(src, dst, symlinks=False, ignore=None): names = os.listdir(src) if ignore is not None: ignored_names = ignore(src, names) else: ignored_names = set() os.makedirs(dst) errors = [] for name in names: if name in ignored_names: continue srcname = os.path.join(src, name) dstname = os.path.join(dst, name) try: if symlinks and os.path.islink(srcname): linkto = os.readlink(srcname) os.symlink(linkto, dstname) elif os.path.isdir(srcname): copytree(srcname, dstname, symlinks, ignore) else: copy2(srcname, dstname) # XXX What about devices, sockets etc.? except (IOError, os.error) as why: errors.append((srcname, dstname, str(why))) # catch the Error from the recursive copytree so that we can # continue with other files except Error as err: errors.extend(err.args[0]) try: copystat(src, dst) except WindowsError: # can't copy file access times on Windows pass except OSError as why: errors.extend((src, dst, str(why))) if errors: raise Error(errors) Another example that uses the :func:`ignore_patterns` helper:: from shutil import copytree, ignore_patterns copytree(source, destination, ignore=ignore_patterns('*.pyc', 'tmp*')) This will copy everything except ``.pyc`` files and files or directories whose name starts with ``tmp``. Another example that uses the *ignore* argument to add a logging call:: from shutil import copytree import logging def _logpath(path, names): logging.info('Working in %s' % path) return [] # nothing will be ignored copytree(source, destination, ignore=_logpath) .. _archiving-operations: Archiving operations -------------------- High-level utilities to create and read compressed and archived files are also provided. They rely on the :mod:`zipfile` and :mod:`tarfile` modules. .. function:: make_archive(base_name, format, [root_dir, [base_dir, [verbose, [dry_run, [owner, [group, [logger]]]]]]]) Create an archive file (eg. zip or tar) and returns its name. *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" (if the :mod:`zlib` module or external ``zip`` executable is available), "tar", "gztar" (if the :mod:`zlib` module is available), or "bztar" (if the :mod:`bz2` module is available). *root_dir* is a directory that will be the root directory of the archive; ie. we typically chdir into *root_dir* before creating the archive. *base_dir* is the directory where we start archiving from; ie. *base_dir* will be the common prefix of all files and directories in the archive. *root_dir* and *base_dir* both default to the current directory. *owner* and *group* are used when creating a tar archive. By default, uses the current owner and group. *logger* must be an object compatible with :pep:`282`, usually an instance of :class:`logging.Logger`. .. versionadded:: 2.7 .. function:: get_archive_formats() Return a list of supported formats for archiving. Each element of the returned sequence is a tuple ``(name, description)``. By default :mod:`shutil` provides these formats: - *zip*: ZIP file (if the :mod:`zlib` module or external ``zip`` executable is available). - *tar*: uncompressed tar file. - *gztar*: gzip'ed tar-file (if the :mod:`zlib` module is available). - *bztar*: bzip2'ed tar-file (if the :mod:`bz2` module is available). You can register new formats or provide your own archiver for any existing formats, by using :func:`register_archive_format`. .. versionadded:: 2.7 .. function:: register_archive_format(name, function, [extra_args, [description]]) Register an archiver for the format *name*. *function* is a callable that will be used to invoke the archiver. If given, *extra_args* is a sequence of ``(name, value)`` that will be used as extra keywords arguments when the archiver callable is used. *description* is used by :func:`get_archive_formats` which returns the list of archivers. Defaults to an empty list. .. versionadded:: 2.7 .. function:: unregister_archive_format(name) Remove the archive format *name* from the list of supported formats. .. versionadded:: 2.7 .. _archiving-example: Archiving example ::::::::::::::::: In this example, we create a gzip'ed tar-file archive containing all files found in the :file:`.ssh` directory of the user:: >>> from shutil import make_archive >>> import os >>> archive_name = os.path.expanduser(os.path.join('~', 'myarchive')) >>> root_dir = os.path.expanduser(os.path.join('~', '.ssh')) >>> make_archive(archive_name, 'gztar', root_dir) '/Users/tarek/myarchive.tar.gz' The resulting archive contains: .. code-block:: shell-session $ tar -tzvf /Users/tarek/myarchive.tar.gz drwx------ tarek/staff 0 2010-02-01 16:23:40 ./ -rw-r--r-- tarek/staff 609 2008-06-09 13:26:54 ./authorized_keys -rwxr-xr-x tarek/staff 65 2008-06-09 13:26:54 ./config -rwx------ tarek/staff 668 2008-06-09 13:26:54 ./id_dsa -rwxr-xr-x tarek/staff 609 2008-06-09 13:26:54 ./id_dsa.pub -rw------- tarek/staff 1675 2008-06-09 13:26:54 ./id_rsa -rw-r--r-- tarek/staff 397 2008-06-09 13:26:54 ./id_rsa.pub -rw-r--r-- tarek/staff 37192 2010-02-06 18:23:10 ./known_hosts