cpython/Doc/library/shutil.rst

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:mod:`shutil` --- High-level file operations
============================================
.. module:: shutil
:synopsis: High-level file operations, including copying.
.. sectionauthor:: Fred L. Drake, Jr. <fdrake@acm.org>
.. partly based on the docstrings
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.. index::
single: file; copying
single: copying files
**Source code:** :source:`Lib/shutil.py`
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--------------
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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
Merged revisions 58742-58816 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r58745 | georg.brandl | 2007-11-01 10:19:33 -0700 (Thu, 01 Nov 2007) | 2 lines #1364: os.lstat is available on Windows too, as an alias to os.stat. ........ r58750 | christian.heimes | 2007-11-01 12:48:10 -0700 (Thu, 01 Nov 2007) | 1 line Backport of import tests for bug http://bugs.python.org/issue1293 and bug http://bugs.python.org/issue1342 ........ r58751 | christian.heimes | 2007-11-01 13:11:06 -0700 (Thu, 01 Nov 2007) | 1 line Removed non ASCII text from test as requested by Guido. Sorry :/ ........ r58753 | georg.brandl | 2007-11-01 13:37:02 -0700 (Thu, 01 Nov 2007) | 2 lines Fix markup glitch. ........ r58757 | gregory.p.smith | 2007-11-01 14:08:14 -0700 (Thu, 01 Nov 2007) | 4 lines Fix bug introduced in revision 58385. Database keys could no longer have NULL bytes in them. Replace the errant strdup with a malloc+memcpy. Adds a unit test for the correct behavior. ........ r58758 | gregory.p.smith | 2007-11-01 14:15:36 -0700 (Thu, 01 Nov 2007) | 3 lines Undo revision 58533 58534 fixes. Those were a workaround for a problem introduced by 58385. ........ r58759 | gregory.p.smith | 2007-11-01 14:17:47 -0700 (Thu, 01 Nov 2007) | 2 lines false "fix" undone as correct problem was found and fixed. ........ r58765 | mark.summerfield | 2007-11-02 01:24:59 -0700 (Fri, 02 Nov 2007) | 3 lines Added more file-handling related cross-references. ........ r58766 | nick.coghlan | 2007-11-02 03:09:12 -0700 (Fri, 02 Nov 2007) | 1 line Fix for bug 1705170 - contextmanager swallowing StopIteration (2.5 backport candidate) ........ r58784 | thomas.heller | 2007-11-02 12:10:24 -0700 (Fri, 02 Nov 2007) | 4 lines Issue #1292: On alpha, arm, ppc, and s390 linux systems the --with-system-ffi configure option defaults to "yes" because the bundled libffi sources are too old. ........ r58785 | thomas.heller | 2007-11-02 12:11:23 -0700 (Fri, 02 Nov 2007) | 1 line Enable the full ctypes c_longdouble tests again. ........ r58796 | georg.brandl | 2007-11-02 13:06:17 -0700 (Fri, 02 Nov 2007) | 4 lines Make "hashable" a glossary entry and clarify docs on __cmp__, __eq__ and __hash__. I hope the concept of hashability is better understandable now. Thanks to Tim Hatch for pointing out the flaws here. ........
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copying and removal. For operations on individual files, see also the
:mod:`os` module.
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.. warning::
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Even the higher-level file copying functions (:func:`shutil.copy`,
:func:`shutil.copy2`) cannot copy all file metadata.
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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.
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.. _file-operations:
Directory and files operations
------------------------------
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.. 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.
Merged revisions 62386-62387,62389-62393,62396,62400-62402,62407,62409-62410,62412-62414,62418-62419 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r62386 | christian.heimes | 2008-04-19 04:23:57 +0200 (Sat, 19 Apr 2008) | 2 lines Added kill, terminate and send_signal to subprocess.Popen The bits and pieces for the Windows side were already in place. The POSIX side is trivial (as usual) and uses os.kill(). ........ r62387 | georg.brandl | 2008-04-19 10:23:59 +0200 (Sat, 19 Apr 2008) | 2 lines Fix-up docs for revision 62386. ........ r62389 | georg.brandl | 2008-04-19 18:57:43 +0200 (Sat, 19 Apr 2008) | 2 lines #2369: clarify that copyfile() doesn't take a target directory. ........ r62390 | georg.brandl | 2008-04-19 18:58:28 +0200 (Sat, 19 Apr 2008) | 2 lines #2634: clarify meaning of env parameter to spawn/exec*e. ........ r62391 | georg.brandl | 2008-04-19 18:58:49 +0200 (Sat, 19 Apr 2008) | 2 lines #2633: clarify meaning of env parameter. ........ r62392 | georg.brandl | 2008-04-19 18:59:16 +0200 (Sat, 19 Apr 2008) | 2 lines #2631: clarify IMPORT_NAME semantics. ........ r62393 | georg.brandl | 2008-04-19 19:00:14 +0200 (Sat, 19 Apr 2008) | 2 lines :func: et al. should *not* include the parens. ........ r62396 | mark.dickinson | 2008-04-19 20:51:48 +0200 (Sat, 19 Apr 2008) | 5 lines Additional tests for math.pow, and extra special-case handling code in math.pow, in the hope of making all tests pass on the alpha Tru64 buildbot. ........ r62400 | mark.dickinson | 2008-04-19 21:41:52 +0200 (Sat, 19 Apr 2008) | 3 lines Additional special-case handling for math.pow. Windows/VS2008 doesn't like (-1)**(+-inf). ........ r62401 | benjamin.peterson | 2008-04-19 21:47:34 +0200 (Sat, 19 Apr 2008) | 2 lines Complete documentation for errors argument of io's open and TextIOWrapper ........ r62402 | mark.dickinson | 2008-04-19 22:31:16 +0200 (Sat, 19 Apr 2008) | 2 lines Document updates to math and cmath modules. ........ r62407 | georg.brandl | 2008-04-19 23:28:38 +0200 (Sat, 19 Apr 2008) | 2 lines Update template for newest Sphinx. ........ r62409 | mark.dickinson | 2008-04-19 23:35:35 +0200 (Sat, 19 Apr 2008) | 5 lines Correct documentation for math.pow; 0**nan is nan, not 0. (But nan**0 and 1**nan are 1.) Also fix minor typo: 'quite NaN' -> 'quiet NaN' ........ r62410 | mark.dickinson | 2008-04-19 23:49:22 +0200 (Sat, 19 Apr 2008) | 4 lines Move asinh documentation to the proper place. Remove meaningless 'in radians' from inverse hyperbolic functions. ........ r62412 | mark.dickinson | 2008-04-20 03:22:30 +0200 (Sun, 20 Apr 2008) | 5 lines Report additional diagnostic information in test_math, to help track down debian-alpha buildbot failure. ........ r62413 | mark.dickinson | 2008-04-20 03:39:24 +0200 (Sun, 20 Apr 2008) | 3 lines FreeBSD doesn't follow C99 for modf(inf); so add explicit special-value handling to math.modf code. ........ r62414 | mark.dickinson | 2008-04-20 06:13:13 +0200 (Sun, 20 Apr 2008) | 5 lines Yet more explicit special case handling to make math.pow behave on alpha Tru64. All IEEE 754 special values are now handled directly; only the finite**finite case is handled by libm. ........ r62418 | mark.dickinson | 2008-04-20 18:13:17 +0200 (Sun, 20 Apr 2008) | 7 lines Issue 2662: Initialize special value tables dynamically (i.e. when cmath module is loaded) instead of statically. This fixes compile-time problems on platforms where HUGE_VAL is an extern variable rather than a constant. Thanks Hirokazu Yamamoto for the patch. ........ r62419 | andrew.kuchling | 2008-04-20 18:54:02 +0200 (Sun, 20 Apr 2008) | 1 line Move description of math module changes; various edits to description of cmath changes ........
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.. function:: copyfile(src, dst)
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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.
Merged revisions 62386-62387,62389-62393,62396,62400-62402,62407,62409-62410,62412-62414,62418-62419 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r62386 | christian.heimes | 2008-04-19 04:23:57 +0200 (Sat, 19 Apr 2008) | 2 lines Added kill, terminate and send_signal to subprocess.Popen The bits and pieces for the Windows side were already in place. The POSIX side is trivial (as usual) and uses os.kill(). ........ r62387 | georg.brandl | 2008-04-19 10:23:59 +0200 (Sat, 19 Apr 2008) | 2 lines Fix-up docs for revision 62386. ........ r62389 | georg.brandl | 2008-04-19 18:57:43 +0200 (Sat, 19 Apr 2008) | 2 lines #2369: clarify that copyfile() doesn't take a target directory. ........ r62390 | georg.brandl | 2008-04-19 18:58:28 +0200 (Sat, 19 Apr 2008) | 2 lines #2634: clarify meaning of env parameter to spawn/exec*e. ........ r62391 | georg.brandl | 2008-04-19 18:58:49 +0200 (Sat, 19 Apr 2008) | 2 lines #2633: clarify meaning of env parameter. ........ r62392 | georg.brandl | 2008-04-19 18:59:16 +0200 (Sat, 19 Apr 2008) | 2 lines #2631: clarify IMPORT_NAME semantics. ........ r62393 | georg.brandl | 2008-04-19 19:00:14 +0200 (Sat, 19 Apr 2008) | 2 lines :func: et al. should *not* include the parens. ........ r62396 | mark.dickinson | 2008-04-19 20:51:48 +0200 (Sat, 19 Apr 2008) | 5 lines Additional tests for math.pow, and extra special-case handling code in math.pow, in the hope of making all tests pass on the alpha Tru64 buildbot. ........ r62400 | mark.dickinson | 2008-04-19 21:41:52 +0200 (Sat, 19 Apr 2008) | 3 lines Additional special-case handling for math.pow. Windows/VS2008 doesn't like (-1)**(+-inf). ........ r62401 | benjamin.peterson | 2008-04-19 21:47:34 +0200 (Sat, 19 Apr 2008) | 2 lines Complete documentation for errors argument of io's open and TextIOWrapper ........ r62402 | mark.dickinson | 2008-04-19 22:31:16 +0200 (Sat, 19 Apr 2008) | 2 lines Document updates to math and cmath modules. ........ r62407 | georg.brandl | 2008-04-19 23:28:38 +0200 (Sat, 19 Apr 2008) | 2 lines Update template for newest Sphinx. ........ r62409 | mark.dickinson | 2008-04-19 23:35:35 +0200 (Sat, 19 Apr 2008) | 5 lines Correct documentation for math.pow; 0**nan is nan, not 0. (But nan**0 and 1**nan are 1.) Also fix minor typo: 'quite NaN' -> 'quiet NaN' ........ r62410 | mark.dickinson | 2008-04-19 23:49:22 +0200 (Sat, 19 Apr 2008) | 4 lines Move asinh documentation to the proper place. Remove meaningless 'in radians' from inverse hyperbolic functions. ........ r62412 | mark.dickinson | 2008-04-20 03:22:30 +0200 (Sun, 20 Apr 2008) | 5 lines Report additional diagnostic information in test_math, to help track down debian-alpha buildbot failure. ........ r62413 | mark.dickinson | 2008-04-20 03:39:24 +0200 (Sun, 20 Apr 2008) | 3 lines FreeBSD doesn't follow C99 for modf(inf); so add explicit special-value handling to math.modf code. ........ r62414 | mark.dickinson | 2008-04-20 06:13:13 +0200 (Sun, 20 Apr 2008) | 5 lines Yet more explicit special case handling to make math.pow behave on alpha Tru64. All IEEE 754 special values are now handled directly; only the finite**finite case is handled by libm. ........ r62418 | mark.dickinson | 2008-04-20 18:13:17 +0200 (Sun, 20 Apr 2008) | 7 lines Issue 2662: Initialize special value tables dynamically (i.e. when cmath module is loaded) instead of statically. This fixes compile-time problems on platforms where HUGE_VAL is an extern variable rather than a constant. Thanks Hirokazu Yamamoto for the patch. ........ r62419 | andrew.kuchling | 2008-04-20 18:54:02 +0200 (Sun, 20 Apr 2008) | 1 line Move description of math module changes; various edits to description of cmath changes ........
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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.
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.. 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)
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Similar to :func:`shutil.copy`, but metadata is copied as well -- in fact,
this is just :func:`shutil.copy` followed by :func:`copystat`. This is
similar to the Unix command :program:`cp -p`.
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Merged revisions 64623,64640,64665,64687,64689-64690,64719,64721,64735,64742,64744-64746,64756-64761,64767-64769,64771-64772,64774-64775,64788,64793,64835-64836 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r64623 | benjamin.peterson | 2008-07-01 21:51:54 +0200 (Tue, 01 Jul 2008) | 1 line write a short little section for multiprocessing; it still needs help ........ r64640 | georg.brandl | 2008-07-01 22:56:03 +0200 (Tue, 01 Jul 2008) | 2 lines Add a comment about incref'ing w. ........ r64665 | jesse.noller | 2008-07-02 18:56:51 +0200 (Wed, 02 Jul 2008) | 1 line Add #!/usr/bin/env python for ben ........ r64687 | andrew.kuchling | 2008-07-03 14:50:03 +0200 (Thu, 03 Jul 2008) | 1 line Tweak wording ........ r64689 | benjamin.peterson | 2008-07-03 14:57:35 +0200 (Thu, 03 Jul 2008) | 1 line lowercase glossary term ........ r64690 | benjamin.peterson | 2008-07-03 15:01:17 +0200 (Thu, 03 Jul 2008) | 1 line let the term be linked ........ r64719 | raymond.hettinger | 2008-07-05 04:11:55 +0200 (Sat, 05 Jul 2008) | 1 line Update comment on prediction macros. ........ r64721 | georg.brandl | 2008-07-05 12:07:18 +0200 (Sat, 05 Jul 2008) | 2 lines Fix tabs. ........ r64735 | mark.dickinson | 2008-07-05 17:25:48 +0200 (Sat, 05 Jul 2008) | 3 lines Minor rewrite of cmath_log to work around a Sun compiler bug. See issue #3168. ........ r64742 | benjamin.peterson | 2008-07-05 18:29:38 +0200 (Sat, 05 Jul 2008) | 1 line make regrtest aware of the lib2to3 resource ........ r64744 | georg.brandl | 2008-07-05 18:43:45 +0200 (Sat, 05 Jul 2008) | 2 lines Keep below 80 chars. ........ r64745 | facundo.batista | 2008-07-05 21:19:50 +0200 (Sat, 05 Jul 2008) | 3 lines Issue 3289. Removed two lines that ended doing nothing. ........ r64746 | facundo.batista | 2008-07-05 22:39:59 +0200 (Sat, 05 Jul 2008) | 4 lines Issue #3239. Differentiate the ascii call from the curses one and the builtin one. ........ r64756 | gregory.p.smith | 2008-07-06 09:16:40 +0200 (Sun, 06 Jul 2008) | 3 lines - Issue #2113: Fix error in subprocess.Popen if the select system call is interrupted by a signal. ........ r64757 | benjamin.peterson | 2008-07-06 14:39:09 +0200 (Sun, 06 Jul 2008) | 1 line remove test_compact_freelists from test_sys ........ r64758 | gregory.p.smith | 2008-07-06 19:06:29 +0200 (Sun, 06 Jul 2008) | 2 lines fix issue3304 - remove an incorrect PyMem_Free in fileio_init ........ r64759 | georg.brandl | 2008-07-06 19:36:20 +0200 (Sun, 06 Jul 2008) | 2 lines Fix opensearch template. ........ r64760 | andrew.kuchling | 2008-07-06 19:43:16 +0200 (Sun, 06 Jul 2008) | 1 line Wording fix ........ r64761 | andrew.kuchling | 2008-07-06 19:44:17 +0200 (Sun, 06 Jul 2008) | 1 line Add two items; rewrap paragraph ........ r64767 | gregory.p.smith | 2008-07-07 06:31:58 +0200 (Mon, 07 Jul 2008) | 4 lines - Issue #3309: Fix bz2.BZFile itererator to release its internal lock properly when raising an exception due to the bz2file being closed. Prevents a deadlock. ........ r64768 | josiah.carlson | 2008-07-07 06:51:46 +0200 (Mon, 07 Jul 2008) | 2 lines Fixed bugs 760475, 953599, and 1519. ........ r64769 | gregory.p.smith | 2008-07-07 06:54:31 +0200 (Mon, 07 Jul 2008) | 2 lines Add commented out #_sha256 and #_sha512 lines per issue 3183. ........ r64771 | gregory.p.smith | 2008-07-07 07:09:12 +0200 (Mon, 07 Jul 2008) | 4 lines - Issue #3094: httplib.HTTPSConnection Host: headers no longer include the redundant ":443" port number designation when the connection is using the default https port (443). ........ r64772 | skip.montanaro | 2008-07-07 13:16:14 +0200 (Mon, 07 Jul 2008) | 2 lines Correct grammar. ........ r64774 | andrew.kuchling | 2008-07-07 18:51:09 +0200 (Mon, 07 Jul 2008) | 1 line Fix example to match text ........ r64775 | facundo.batista | 2008-07-07 19:02:59 +0200 (Mon, 07 Jul 2008) | 3 lines Issue 3306. Better control for a lenght in findmax() function. ........ r64788 | georg.brandl | 2008-07-08 09:05:23 +0200 (Tue, 08 Jul 2008) | 2 lines Add missing ABCs to list. ........ r64793 | nick.coghlan | 2008-07-08 16:21:42 +0200 (Tue, 08 Jul 2008) | 1 line Add missing NEWS and ACK entries for r64791 ........ r64835 | raymond.hettinger | 2008-07-10 11:31:08 +0200 (Thu, 10 Jul 2008) | 1 line Issue 3287: Raise correct exception for float inputs. ........ r64836 | raymond.hettinger | 2008-07-10 12:28:41 +0200 (Thu, 10 Jul 2008) | 1 line Use operator.index() instead of n.__index__(). ........
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.. 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.
.. function:: copytree(src, dst, symlinks=False, ignore=None, copy_function=copy2, ignore_dangling_symlinks=False)
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Recursively copy an entire directory tree rooted at *src*. The destination
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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`.
Merged revisions 64623,64640,64665,64687,64689-64690,64719,64721,64735,64742,64744-64746,64756-64761,64767-64769,64771-64772,64774-64775,64788,64793,64835-64836 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r64623 | benjamin.peterson | 2008-07-01 21:51:54 +0200 (Tue, 01 Jul 2008) | 1 line write a short little section for multiprocessing; it still needs help ........ r64640 | georg.brandl | 2008-07-01 22:56:03 +0200 (Tue, 01 Jul 2008) | 2 lines Add a comment about incref'ing w. ........ r64665 | jesse.noller | 2008-07-02 18:56:51 +0200 (Wed, 02 Jul 2008) | 1 line Add #!/usr/bin/env python for ben ........ r64687 | andrew.kuchling | 2008-07-03 14:50:03 +0200 (Thu, 03 Jul 2008) | 1 line Tweak wording ........ r64689 | benjamin.peterson | 2008-07-03 14:57:35 +0200 (Thu, 03 Jul 2008) | 1 line lowercase glossary term ........ r64690 | benjamin.peterson | 2008-07-03 15:01:17 +0200 (Thu, 03 Jul 2008) | 1 line let the term be linked ........ r64719 | raymond.hettinger | 2008-07-05 04:11:55 +0200 (Sat, 05 Jul 2008) | 1 line Update comment on prediction macros. ........ r64721 | georg.brandl | 2008-07-05 12:07:18 +0200 (Sat, 05 Jul 2008) | 2 lines Fix tabs. ........ r64735 | mark.dickinson | 2008-07-05 17:25:48 +0200 (Sat, 05 Jul 2008) | 3 lines Minor rewrite of cmath_log to work around a Sun compiler bug. See issue #3168. ........ r64742 | benjamin.peterson | 2008-07-05 18:29:38 +0200 (Sat, 05 Jul 2008) | 1 line make regrtest aware of the lib2to3 resource ........ r64744 | georg.brandl | 2008-07-05 18:43:45 +0200 (Sat, 05 Jul 2008) | 2 lines Keep below 80 chars. ........ r64745 | facundo.batista | 2008-07-05 21:19:50 +0200 (Sat, 05 Jul 2008) | 3 lines Issue 3289. Removed two lines that ended doing nothing. ........ r64746 | facundo.batista | 2008-07-05 22:39:59 +0200 (Sat, 05 Jul 2008) | 4 lines Issue #3239. Differentiate the ascii call from the curses one and the builtin one. ........ r64756 | gregory.p.smith | 2008-07-06 09:16:40 +0200 (Sun, 06 Jul 2008) | 3 lines - Issue #2113: Fix error in subprocess.Popen if the select system call is interrupted by a signal. ........ r64757 | benjamin.peterson | 2008-07-06 14:39:09 +0200 (Sun, 06 Jul 2008) | 1 line remove test_compact_freelists from test_sys ........ r64758 | gregory.p.smith | 2008-07-06 19:06:29 +0200 (Sun, 06 Jul 2008) | 2 lines fix issue3304 - remove an incorrect PyMem_Free in fileio_init ........ r64759 | georg.brandl | 2008-07-06 19:36:20 +0200 (Sun, 06 Jul 2008) | 2 lines Fix opensearch template. ........ r64760 | andrew.kuchling | 2008-07-06 19:43:16 +0200 (Sun, 06 Jul 2008) | 1 line Wording fix ........ r64761 | andrew.kuchling | 2008-07-06 19:44:17 +0200 (Sun, 06 Jul 2008) | 1 line Add two items; rewrap paragraph ........ r64767 | gregory.p.smith | 2008-07-07 06:31:58 +0200 (Mon, 07 Jul 2008) | 4 lines - Issue #3309: Fix bz2.BZFile itererator to release its internal lock properly when raising an exception due to the bz2file being closed. Prevents a deadlock. ........ r64768 | josiah.carlson | 2008-07-07 06:51:46 +0200 (Mon, 07 Jul 2008) | 2 lines Fixed bugs 760475, 953599, and 1519. ........ r64769 | gregory.p.smith | 2008-07-07 06:54:31 +0200 (Mon, 07 Jul 2008) | 2 lines Add commented out #_sha256 and #_sha512 lines per issue 3183. ........ r64771 | gregory.p.smith | 2008-07-07 07:09:12 +0200 (Mon, 07 Jul 2008) | 4 lines - Issue #3094: httplib.HTTPSConnection Host: headers no longer include the redundant ":443" port number designation when the connection is using the default https port (443). ........ r64772 | skip.montanaro | 2008-07-07 13:16:14 +0200 (Mon, 07 Jul 2008) | 2 lines Correct grammar. ........ r64774 | andrew.kuchling | 2008-07-07 18:51:09 +0200 (Mon, 07 Jul 2008) | 1 line Fix example to match text ........ r64775 | facundo.batista | 2008-07-07 19:02:59 +0200 (Mon, 07 Jul 2008) | 3 lines Issue 3306. Better control for a lenght in findmax() function. ........ r64788 | georg.brandl | 2008-07-08 09:05:23 +0200 (Tue, 08 Jul 2008) | 2 lines Add missing ABCs to list. ........ r64793 | nick.coghlan | 2008-07-08 16:21:42 +0200 (Tue, 08 Jul 2008) | 1 line Add missing NEWS and ACK entries for r64791 ........ r64835 | raymond.hettinger | 2008-07-10 11:31:08 +0200 (Thu, 10 Jul 2008) | 1 line Issue 3287: Raise correct exception for float inputs. ........ r64836 | raymond.hettinger | 2008-07-10 12:28:41 +0200 (Thu, 10 Jul 2008) | 1 line Use operator.index() instead of n.__index__(). ........
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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.
Merged revisions 64623,64640,64665,64687,64689-64690,64719,64721,64735,64742,64744-64746,64756-64761,64767-64769,64771-64772,64774-64775,64788,64793,64835-64836 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r64623 | benjamin.peterson | 2008-07-01 21:51:54 +0200 (Tue, 01 Jul 2008) | 1 line write a short little section for multiprocessing; it still needs help ........ r64640 | georg.brandl | 2008-07-01 22:56:03 +0200 (Tue, 01 Jul 2008) | 2 lines Add a comment about incref'ing w. ........ r64665 | jesse.noller | 2008-07-02 18:56:51 +0200 (Wed, 02 Jul 2008) | 1 line Add #!/usr/bin/env python for ben ........ r64687 | andrew.kuchling | 2008-07-03 14:50:03 +0200 (Thu, 03 Jul 2008) | 1 line Tweak wording ........ r64689 | benjamin.peterson | 2008-07-03 14:57:35 +0200 (Thu, 03 Jul 2008) | 1 line lowercase glossary term ........ r64690 | benjamin.peterson | 2008-07-03 15:01:17 +0200 (Thu, 03 Jul 2008) | 1 line let the term be linked ........ r64719 | raymond.hettinger | 2008-07-05 04:11:55 +0200 (Sat, 05 Jul 2008) | 1 line Update comment on prediction macros. ........ r64721 | georg.brandl | 2008-07-05 12:07:18 +0200 (Sat, 05 Jul 2008) | 2 lines Fix tabs. ........ r64735 | mark.dickinson | 2008-07-05 17:25:48 +0200 (Sat, 05 Jul 2008) | 3 lines Minor rewrite of cmath_log to work around a Sun compiler bug. See issue #3168. ........ r64742 | benjamin.peterson | 2008-07-05 18:29:38 +0200 (Sat, 05 Jul 2008) | 1 line make regrtest aware of the lib2to3 resource ........ r64744 | georg.brandl | 2008-07-05 18:43:45 +0200 (Sat, 05 Jul 2008) | 2 lines Keep below 80 chars. ........ r64745 | facundo.batista | 2008-07-05 21:19:50 +0200 (Sat, 05 Jul 2008) | 3 lines Issue 3289. Removed two lines that ended doing nothing. ........ r64746 | facundo.batista | 2008-07-05 22:39:59 +0200 (Sat, 05 Jul 2008) | 4 lines Issue #3239. Differentiate the ascii call from the curses one and the builtin one. ........ r64756 | gregory.p.smith | 2008-07-06 09:16:40 +0200 (Sun, 06 Jul 2008) | 3 lines - Issue #2113: Fix error in subprocess.Popen if the select system call is interrupted by a signal. ........ r64757 | benjamin.peterson | 2008-07-06 14:39:09 +0200 (Sun, 06 Jul 2008) | 1 line remove test_compact_freelists from test_sys ........ r64758 | gregory.p.smith | 2008-07-06 19:06:29 +0200 (Sun, 06 Jul 2008) | 2 lines fix issue3304 - remove an incorrect PyMem_Free in fileio_init ........ r64759 | georg.brandl | 2008-07-06 19:36:20 +0200 (Sun, 06 Jul 2008) | 2 lines Fix opensearch template. ........ r64760 | andrew.kuchling | 2008-07-06 19:43:16 +0200 (Sun, 06 Jul 2008) | 1 line Wording fix ........ r64761 | andrew.kuchling | 2008-07-06 19:44:17 +0200 (Sun, 06 Jul 2008) | 1 line Add two items; rewrap paragraph ........ r64767 | gregory.p.smith | 2008-07-07 06:31:58 +0200 (Mon, 07 Jul 2008) | 4 lines - Issue #3309: Fix bz2.BZFile itererator to release its internal lock properly when raising an exception due to the bz2file being closed. Prevents a deadlock. ........ r64768 | josiah.carlson | 2008-07-07 06:51:46 +0200 (Mon, 07 Jul 2008) | 2 lines Fixed bugs 760475, 953599, and 1519. ........ r64769 | gregory.p.smith | 2008-07-07 06:54:31 +0200 (Mon, 07 Jul 2008) | 2 lines Add commented out #_sha256 and #_sha512 lines per issue 3183. ........ r64771 | gregory.p.smith | 2008-07-07 07:09:12 +0200 (Mon, 07 Jul 2008) | 4 lines - Issue #3094: httplib.HTTPSConnection Host: headers no longer include the redundant ":443" port number designation when the connection is using the default https port (443). ........ r64772 | skip.montanaro | 2008-07-07 13:16:14 +0200 (Mon, 07 Jul 2008) | 2 lines Correct grammar. ........ r64774 | andrew.kuchling | 2008-07-07 18:51:09 +0200 (Mon, 07 Jul 2008) | 1 line Fix example to match text ........ r64775 | facundo.batista | 2008-07-07 19:02:59 +0200 (Mon, 07 Jul 2008) | 3 lines Issue 3306. Better control for a lenght in findmax() function. ........ r64788 | georg.brandl | 2008-07-08 09:05:23 +0200 (Tue, 08 Jul 2008) | 2 lines Add missing ABCs to list. ........ r64793 | nick.coghlan | 2008-07-08 16:21:42 +0200 (Tue, 08 Jul 2008) | 1 line Add missing NEWS and ACK entries for r64791 ........ r64835 | raymond.hettinger | 2008-07-10 11:31:08 +0200 (Thu, 10 Jul 2008) | 1 line Issue 3287: Raise correct exception for float inputs. ........ r64836 | raymond.hettinger | 2008-07-10 12:28:41 +0200 (Thu, 10 Jul 2008) | 1 line Use operator.index() instead of n.__index__(). ........
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When *symlinks* is false, if the file pointed by the symlink doesn't
exist, a exception will be added in the list of errors raised in
a :exc:`Error` exception at the end of the copy process.
You can set the optional *ignore_dangling_symlinks* flag to true if you
want to silence this exception. Notice that this option has no effect
on platforms that don't support :func:`os.symlink`.
Merged revisions 64623,64640,64665,64687,64689-64690,64719,64721,64735,64742,64744-64746,64756-64761,64767-64769,64771-64772,64774-64775,64788,64793,64835-64836 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r64623 | benjamin.peterson | 2008-07-01 21:51:54 +0200 (Tue, 01 Jul 2008) | 1 line write a short little section for multiprocessing; it still needs help ........ r64640 | georg.brandl | 2008-07-01 22:56:03 +0200 (Tue, 01 Jul 2008) | 2 lines Add a comment about incref'ing w. ........ r64665 | jesse.noller | 2008-07-02 18:56:51 +0200 (Wed, 02 Jul 2008) | 1 line Add #!/usr/bin/env python for ben ........ r64687 | andrew.kuchling | 2008-07-03 14:50:03 +0200 (Thu, 03 Jul 2008) | 1 line Tweak wording ........ r64689 | benjamin.peterson | 2008-07-03 14:57:35 +0200 (Thu, 03 Jul 2008) | 1 line lowercase glossary term ........ r64690 | benjamin.peterson | 2008-07-03 15:01:17 +0200 (Thu, 03 Jul 2008) | 1 line let the term be linked ........ r64719 | raymond.hettinger | 2008-07-05 04:11:55 +0200 (Sat, 05 Jul 2008) | 1 line Update comment on prediction macros. ........ r64721 | georg.brandl | 2008-07-05 12:07:18 +0200 (Sat, 05 Jul 2008) | 2 lines Fix tabs. ........ r64735 | mark.dickinson | 2008-07-05 17:25:48 +0200 (Sat, 05 Jul 2008) | 3 lines Minor rewrite of cmath_log to work around a Sun compiler bug. See issue #3168. ........ r64742 | benjamin.peterson | 2008-07-05 18:29:38 +0200 (Sat, 05 Jul 2008) | 1 line make regrtest aware of the lib2to3 resource ........ r64744 | georg.brandl | 2008-07-05 18:43:45 +0200 (Sat, 05 Jul 2008) | 2 lines Keep below 80 chars. ........ r64745 | facundo.batista | 2008-07-05 21:19:50 +0200 (Sat, 05 Jul 2008) | 3 lines Issue 3289. Removed two lines that ended doing nothing. ........ r64746 | facundo.batista | 2008-07-05 22:39:59 +0200 (Sat, 05 Jul 2008) | 4 lines Issue #3239. Differentiate the ascii call from the curses one and the builtin one. ........ r64756 | gregory.p.smith | 2008-07-06 09:16:40 +0200 (Sun, 06 Jul 2008) | 3 lines - Issue #2113: Fix error in subprocess.Popen if the select system call is interrupted by a signal. ........ r64757 | benjamin.peterson | 2008-07-06 14:39:09 +0200 (Sun, 06 Jul 2008) | 1 line remove test_compact_freelists from test_sys ........ r64758 | gregory.p.smith | 2008-07-06 19:06:29 +0200 (Sun, 06 Jul 2008) | 2 lines fix issue3304 - remove an incorrect PyMem_Free in fileio_init ........ r64759 | georg.brandl | 2008-07-06 19:36:20 +0200 (Sun, 06 Jul 2008) | 2 lines Fix opensearch template. ........ r64760 | andrew.kuchling | 2008-07-06 19:43:16 +0200 (Sun, 06 Jul 2008) | 1 line Wording fix ........ r64761 | andrew.kuchling | 2008-07-06 19:44:17 +0200 (Sun, 06 Jul 2008) | 1 line Add two items; rewrap paragraph ........ r64767 | gregory.p.smith | 2008-07-07 06:31:58 +0200 (Mon, 07 Jul 2008) | 4 lines - Issue #3309: Fix bz2.BZFile itererator to release its internal lock properly when raising an exception due to the bz2file being closed. Prevents a deadlock. ........ r64768 | josiah.carlson | 2008-07-07 06:51:46 +0200 (Mon, 07 Jul 2008) | 2 lines Fixed bugs 760475, 953599, and 1519. ........ r64769 | gregory.p.smith | 2008-07-07 06:54:31 +0200 (Mon, 07 Jul 2008) | 2 lines Add commented out #_sha256 and #_sha512 lines per issue 3183. ........ r64771 | gregory.p.smith | 2008-07-07 07:09:12 +0200 (Mon, 07 Jul 2008) | 4 lines - Issue #3094: httplib.HTTPSConnection Host: headers no longer include the redundant ":443" port number designation when the connection is using the default https port (443). ........ r64772 | skip.montanaro | 2008-07-07 13:16:14 +0200 (Mon, 07 Jul 2008) | 2 lines Correct grammar. ........ r64774 | andrew.kuchling | 2008-07-07 18:51:09 +0200 (Mon, 07 Jul 2008) | 1 line Fix example to match text ........ r64775 | facundo.batista | 2008-07-07 19:02:59 +0200 (Mon, 07 Jul 2008) | 3 lines Issue 3306. Better control for a lenght in findmax() function. ........ r64788 | georg.brandl | 2008-07-08 09:05:23 +0200 (Tue, 08 Jul 2008) | 2 lines Add missing ABCs to list. ........ r64793 | nick.coghlan | 2008-07-08 16:21:42 +0200 (Tue, 08 Jul 2008) | 1 line Add missing NEWS and ACK entries for r64791 ........ r64835 | raymond.hettinger | 2008-07-10 11:31:08 +0200 (Thu, 10 Jul 2008) | 1 line Issue 3287: Raise correct exception for float inputs. ........ r64836 | raymond.hettinger | 2008-07-10 12:28:41 +0200 (Thu, 10 Jul 2008) | 1 line Use operator.index() instead of n.__index__(). ........
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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.
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If *copy_function* is given, it must be a callable that will be used to copy
each file. It will be called with the source path and the destination path
as arguments. By default, :func:`shutil.copy2` is used, but any function
that supports the same signature (like :func:`copy`) can be used.
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.. versionchanged:: 3.2
Added the *copy_function* argument to be able to provide a custom copy
function.
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.. versionchanged:: 3.2
Added the *ignore_dangling_symlinks* argument to silent dangling symlinks
errors when *symlinks* is false.
.. function:: rmtree(path, ignore_errors=False, onerror=None)
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.. index:: single: directory; deleting
Merged revisions 60124-60142 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r60131 | georg.brandl | 2008-01-20 12:13:29 +0100 (Sun, 20 Jan 2008) | 3 lines #1351692: in pprint, always call format() for dict and list items to enable custom formatting of contents via subclassing PrettyPrinter. ........ r60133 | georg.brandl | 2008-01-20 12:43:03 +0100 (Sun, 20 Jan 2008) | 2 lines #1178141: add addinfourl.code to get http status code from urllib. ........ r60134 | georg.brandl | 2008-01-20 13:05:43 +0100 (Sun, 20 Jan 2008) | 4 lines #856047: respect the ``no_proxy`` env var when checking for proxies in urllib and using the other ``_proxy`` env vars. Original patch by Donovan Baarda. ........ r60135 | georg.brandl | 2008-01-20 13:18:17 +0100 (Sun, 20 Jan 2008) | 4 lines #1664522: in urllib, don't read non-existing directories in ftp mode, returning a 0-byte file -- raise an IOError instead. Original patch from Phil Knirsch. ........ r60136 | georg.brandl | 2008-01-20 13:57:47 +0100 (Sun, 20 Jan 2008) | 2 lines #799369: document possible sys.platform values. ........ r60137 | georg.brandl | 2008-01-20 14:08:37 +0100 (Sun, 20 Jan 2008) | 2 lines #652749: document the constants added to the builtins by site.py. ........ r60138 | georg.brandl | 2008-01-20 14:59:46 +0100 (Sun, 20 Jan 2008) | 2 lines #1648: add sys.gettrace() and sys.getprofile(). ........ r60139 | georg.brandl | 2008-01-20 15:17:42 +0100 (Sun, 20 Jan 2008) | 2 lines #1669: don't allow shutil.rmtree() to be called on a symlink. ........ r60140 | georg.brandl | 2008-01-20 15:20:02 +0100 (Sun, 20 Jan 2008) | 2 lines Fix test_pyclbr after urllib change. ........ r60141 | christian.heimes | 2008-01-20 15:28:28 +0100 (Sun, 20 Jan 2008) | 1 line Fixed a wrong assumption in configure.in and Include/pyport.h. The is finite function is not called isfinite() but finite(). Sorry, my fault. :) ........ r60142 | georg.brandl | 2008-01-20 15:31:27 +0100 (Sun, 20 Jan 2008) | 2 lines #1876: fix typos in test_operator. ........
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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.
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.. function:: move(src, dst)
Recursively move a file or directory (*src*) to another location (*dst*).
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If the destination is a directory or a symlink to a directory, then *src* is
moved inside that directory.
The destination directory must not already exist. 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
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used. Otherwise, *src* is copied (using :func:`shutil.copy2`) to *dst* and
then removed.
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.. 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*).
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.. _shutil-copytree-example:
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copytree example
::::::::::::::::
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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):
names = os.listdir(src)
os.makedirs(dst)
errors = []
for name in names:
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)
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)
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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 (such as zip or tar) and return 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", "tar", "bztar" (if the :mod:`bz2` 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
archive.
*base_dir* is the directory where we start archiving from;
i.e. *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`.
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.. versionadded:: 3.2
.. 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:
- *gztar*: gzip'ed tar-file
- *bztar*: bzip2'ed tar-file (if the :mod:`bz2` module is available.)
- *tar*: uncompressed tar file
- *zip*: ZIP file
You can register new formats or provide your own archiver for any existing
formats, by using :func:`register_archive_format`.
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.. versionadded:: 3.2
.. 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)`` pairs 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.
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.. versionadded:: 3.2
.. function:: unregister_archive_format(name)
Remove the archive format *name* from the list of supported formats.
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.. versionadded:: 3.2
.. function:: unpack_archive(filename[, extract_dir[, format]])
Unpack an archive. *filename* is the full path of the archive.
*extract_dir* is the name of the target directory where the archive is
unpacked. If not provided, the current working directory is used.
*format* is the archive format: one of "zip", "tar", or "gztar". Or any
other format registered with :func:`register_unpack_format`. If not
provided, :func:`unpack_archive` will use the archive file name extension
and see if an unpacker was registered for that extension. In case none is
found, a :exc:`ValueError` is raised.
.. versionadded:: 3.2
.. function:: register_unpack_format(name, extensions, function[, extra_args[, description]])
Registers an unpack format. *name* is the name of the format and
*extensions* is a list of extensions corresponding to the format, like
``.zip`` for Zip files.
*function* is the callable that will be used to unpack archives. The
callable will receive the path of the archive, followed by the directory
the archive must be extracted to.
When provided, *extra_args* is a sequence of ``(name, value)`` tuples that
will be passed as keywords arguments to the callable.
*description* can be provided to describe the format, and will be returned
by the :func:`get_unpack_formats` function.
.. versionadded:: 3.2
.. function:: unregister_unpack_format(name)
Unregister an unpack format. *name* is the name of the format.
.. versionadded:: 3.2
.. function:: get_unpack_formats()
Return a list of all registered formats for unpacking.
Each element of the returned sequence is a tuple
``(name, extensions, description)``.
By default :mod:`shutil` provides these formats:
- *gztar*: gzip'ed tar-file
- *bztar*: bzip2'ed tar-file (if the :mod:`bz2` module is available.)
- *tar*: uncompressed tar file
- *zip*: ZIP file
You can register new formats or provide your own unpacker for any existing
formats, by using :func:`register_unpack_format`.
.. versionadded:: 3.2
.. _shutil-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::
$ 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