Name	Size	Mode	Actions
2to3.rst.txt	14647	0644	editdlrm
abc.rst.txt	7219	0644	editdlrm
aepack.rst.txt	4257	0644	editdlrm
aetools.rst.txt	3532	0644	editdlrm
aetypes.rst.txt	4257	0644	editdlrm
aifc.rst.txt	7086	0644	editdlrm
al.rst.txt	5309	0644	editdlrm
allos.rst.txt	695	0644	editdlrm
anydbm.rst.txt	4111	0644	editdlrm
archiving.rst.txt	424	0644	editdlrm
argparse.rst.txt	74685	0644	editdlrm
array.rst.txt	10524	0644	editdlrm
ast.rst.txt	10111	0644	editdlrm
asynchat.rst.txt	9206	0644	editdlrm
asyncore.rst.txt	12937	0644	editdlrm
atexit.rst.txt	3910	0644	editdlrm
audioop.rst.txt	10395	0644	editdlrm
autogil.rst.txt	1015	0644	editdlrm
base64.rst.txt	6252	0644	editdlrm
basehttpserver.rst.txt	10404	0644	editdlrm
bastion.rst.txt	2611	0644	editdlrm
bdb.rst.txt	12456	0644	editdlrm
binascii.rst.txt	6508	0644	editdlrm
binhex.rst.txt	1910	0644	editdlrm
bisect.rst.txt	5415	0644	editdlrm
bsddb.rst.txt	7575	0644	editdlrm
bz2.rst.txt	8064	0644	editdlrm
calendar.rst.txt	11282	0644	editdlrm
carbon.rst.txt	15956	0644	editdlrm
cd.rst.txt	11974	0644	editdlrm
cgi.rst.txt	22853	0644	editdlrm
cgihttpserver.rst.txt	2788	0644	editdlrm
cgitb.rst.txt	2874	0644	editdlrm
chunk.rst.txt	4955	0644	editdlrm
cmath.rst.txt	7647	0644	editdlrm
cmd.rst.txt	8565	0644	editdlrm
code.rst.txt	7115	0644	editdlrm
codecs.rst.txt	66966	0644	editdlrm
codeop.rst.txt	3774	0644	editdlrm
collections.rst.txt	41448	0644	editdlrm
colorpicker.rst.txt	913	0644	editdlrm
colorsys.rst.txt	1819	0644	editdlrm
commands.rst.txt	2595	0644	editdlrm
compileall.rst.txt	4678	0644	editdlrm
compiler.rst.txt	37464	0644	editdlrm
configparser.rst.txt	19607	0644	editdlrm
constants.rst.txt	2328	0644	editdlrm
contextlib.rst.txt	6012	0644	editdlrm
cookie.rst.txt	9543	0644	editdlrm
cookielib.rst.txt	27875	0644	editdlrm
copy.rst.txt	3351	0644	editdlrm
copy_reg.rst.txt	2329	0644	editdlrm
crypt.rst.txt	2292	0644	editdlrm
crypto.rst.txt	355	0644	editdlrm
csv.rst.txt	22757	0644	editdlrm
ctypes.rst.txt	90513	0644	editdlrm
curses.ascii.rst.txt	9046	0644	editdlrm
curses.panel.rst.txt	2740	0644	editdlrm
curses.rst.txt	74877	0644	editdlrm
custominterp.rst.txt	570	0644	editdlrm
datatypes.rst.txt	864	0644	editdlrm
datetime.rst.txt	74679	0644	editdlrm
dbhash.rst.txt	3865	0644	editdlrm
dbm.rst.txt	3117	0644	editdlrm
debug.rst.txt	446	0644	editdlrm
decimal.rst.txt	70926	0644	editdlrm
development.rst.txt	640	0644	editdlrm
difflib.rst.txt	30716	0644	editdlrm
dircache.rst.txt	1813	0644	editdlrm
dis.rst.txt	23248	0644	editdlrm
distribution.rst.txt	426	0644	editdlrm
distutils.rst.txt	1958	0644	editdlrm
dl.rst.txt	3392	0644	editdlrm
doctest.rst.txt	73985	0644	editdlrm
docxmlrpcserver.rst.txt	3802	0644	editdlrm
dumbdbm.rst.txt	2841	0644	editdlrm
dummy_thread.rst.txt	1058	0644	editdlrm
dummy_threading.rst.txt	799	0644	editdlrm
easydialogs.rst.txt	10346	0644	editdlrm
email-examples.rst.txt	1271	0644	editdlrm
email.charset.rst.txt	9654	0644	editdlrm
email.encoders.rst.txt	2376	0644	editdlrm
email.errors.rst.txt	4006	0644	editdlrm
email.generator.rst.txt	6132	0644	editdlrm
email.header.rst.txt	7531	0644	editdlrm
email.iterators.rst.txt	2421	0644	editdlrm
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email.mime.rst.txt	9917	0644	editdlrm
email.parser.rst.txt	10327	0644	editdlrm
email.rst.txt	16111	0644	editdlrm
email.utils.rst.txt	6475	0644	editdlrm
ensurepip.rst.txt	5022	0644	editdlrm
errno.rst.txt	6708	0644	editdlrm
exceptions.rst.txt	18343	0644	editdlrm
fcntl.rst.txt	7361	0644	editdlrm
filecmp.rst.txt	5348	0644	editdlrm
fileformats.rst.txt	302	0644	editdlrm
fileinput.rst.txt	7417	0644	editdlrm
filesys.rst.txt	806	0644	editdlrm
fl.rst.txt	17646	0644	editdlrm
fm.rst.txt	2699	0644	editdlrm
fnmatch.rst.txt	3104	0644	editdlrm
formatter.rst.txt	13245	0644	editdlrm
fpectl.rst.txt	4171	0644	editdlrm
fpformat.rst.txt	1747	0644	editdlrm
fractions.rst.txt	5297	0644	editdlrm
framework.rst.txt	11444	0644	editdlrm
frameworks.rst.txt	378	0644	editdlrm
ftplib.rst.txt	15720	0644	editdlrm
functions.rst.txt	75554	0644	editdlrm
functools.rst.txt	7448	0644	editdlrm
future_builtins.rst.txt	2010	0644	editdlrm
gc.rst.txt	9014	0644	editdlrm
gdbm.rst.txt	4882	0644	editdlrm
gensuitemodule.rst.txt	3113	0644	editdlrm
getopt.rst.txt	6670	0644	editdlrm
getpass.rst.txt	1876	0644	editdlrm
gettext.rst.txt	29040	0644	editdlrm
gl.rst.txt	6009	0644	editdlrm
glob.rst.txt	2414	0644	editdlrm
grp.rst.txt	2256	0644	editdlrm
gzip.rst.txt	4828	0644	editdlrm
hashlib.rst.txt	7379	0644	editdlrm
heapq.rst.txt	13185	0644	editdlrm
hmac.rst.txt	3073	0644	editdlrm
hotshot.rst.txt	4289	0644	editdlrm
htmllib.rst.txt	7379	0644	editdlrm
htmlparser.rst.txt	11640	0644	editdlrm
httplib.rst.txt	37454	0644	editdlrm
i18n.rst.txt	409	0644	editdlrm
ic.rst.txt	5005	0644	editdlrm
idle.rst.txt	22182	0644	editdlrm
imageop.rst.txt	4001	0644	editdlrm
imaplib.rst.txt	17221	0644	editdlrm
imgfile.rst.txt	2765	0644	editdlrm
imghdr.rst.txt	2635	0644	editdlrm
imp.rst.txt	12593	0644	editdlrm
importlib.rst.txt	1126	0644	editdlrm
imputil.rst.txt	7023	0644	editdlrm
index.rst.txt	2287	0644	editdlrm
inspect.rst.txt	28151	0644	editdlrm
internet.rst.txt	950	0644	editdlrm
intro.rst.txt	2803	0644	editdlrm
io.rst.txt	39015	0644	editdlrm
ipc.rst.txt	630	0644	editdlrm
itertools.rst.txt	36324	0644	editdlrm
jpeg.rst.txt	3858	0644	editdlrm
json.rst.txt	25545	0644	editdlrm
keyword.rst.txt	617	0644	editdlrm
language.rst.txt	523	0644	editdlrm
linecache.rst.txt	1887	0644	editdlrm
locale.rst.txt	24975	0644	editdlrm
logging.config.rst.txt	31560	0644	editdlrm
logging.handlers.rst.txt	28153	0644	editdlrm
logging.rst.txt	46882	0644	editdlrm
mac.rst.txt	791	0644	editdlrm
macos.rst.txt	3824	0644	editdlrm
macosa.rst.txt	3964	0644	editdlrm
macostools.rst.txt	4017	0644	editdlrm
macpath.rst.txt	650	0644	editdlrm
mailbox.rst.txt	68129	0644	editdlrm
mailcap.rst.txt	3675	0644	editdlrm
markup.rst.txt	1249	0644	editdlrm
marshal.rst.txt	5689	0644	editdlrm
math.rst.txt	10920	0644	editdlrm
md5.rst.txt	2815	0644	editdlrm
mhlib.rst.txt	3966	0644	editdlrm
mimetools.rst.txt	4504	0644	editdlrm
mimetypes.rst.txt	9839	0644	editdlrm
mimewriter.rst.txt	3360	0644	editdlrm
mimify.rst.txt	3519	0644	editdlrm
miniaeframe.rst.txt	2564	0644	editdlrm
misc.rst.txt	248	0644	editdlrm
mm.rst.txt	447	0644	editdlrm
mmap.rst.txt	10481	0644	editdlrm
modulefinder.rst.txt	3380	0644	editdlrm
modules.rst.txt	382	0644	editdlrm
msilib.rst.txt	19062	0644	editdlrm
msvcrt.rst.txt	4346	0644	editdlrm
multifile.rst.txt	6613	0644	editdlrm
multiprocessing.rst.txt	92621	0644	editdlrm
mutex.rst.txt	1939	0644	editdlrm
netdata.rst.txt	432	0644	editdlrm
netrc.rst.txt	3119	0644	editdlrm
new.rst.txt	2653	0644	editdlrm
nis.rst.txt	2108	0644	editdlrm
nntplib.rst.txt	14531	0644	editdlrm
numbers.rst.txt	8007	0644	editdlrm
numeric.rst.txt	751	0644	editdlrm
operator.rst.txt	22092	0644	editdlrm
optparse.rst.txt	77101	0644	editdlrm
os.path.rst.txt	13094	0644	editdlrm
os.rst.txt	82580	0644	editdlrm
ossaudiodev.rst.txt	17309	0644	editdlrm
othergui.rst.txt	2721	0644	editdlrm
parser.rst.txt	15385	0644	editdlrm
pdb.rst.txt	16043	0644	editdlrm
persistence.rst.txt	826	0644	editdlrm
pickle.rst.txt	37262	0644	editdlrm
pickletools.rst.txt	1997	0644	editdlrm
pipes.rst.txt	3786	0644	editdlrm
pkgutil.rst.txt	7714	0644	editdlrm
platform.rst.txt	9554	0644	editdlrm
plistlib.rst.txt	4134	0644	editdlrm
popen2.rst.txt	7022	0644	editdlrm
poplib.rst.txt	6220	0644	editdlrm
posix.rst.txt	3630	0644	editdlrm
posixfile.rst.txt	7200	0644	editdlrm
pprint.rst.txt	9071	0644	editdlrm
profile.rst.txt	28666	0644	editdlrm
pty.rst.txt	1762	0644	editdlrm
pwd.rst.txt	2725	0644	editdlrm
pyclbr.rst.txt	3296	0644	editdlrm
pydoc.rst.txt	4083	0644	editdlrm
pyexpat.rst.txt	28891	0644	editdlrm
python.rst.txt	514	0644	editdlrm
py_compile.rst.txt	2479	0644	editdlrm
queue.rst.txt	7034	0644	editdlrm
quopri.rst.txt	2670	0644	editdlrm
random.rst.txt	13319	0644	editdlrm
re.rst.txt	55102	0644	editdlrm
readline.rst.txt	10513	0644	editdlrm
repr.rst.txt	4718	0644	editdlrm
resource.rst.txt	9595	0644	editdlrm
restricted.rst.txt	3327	0644	editdlrm
rexec.rst.txt	11742	0644	editdlrm
rfc822.rst.txt	14037	0644	editdlrm
rlcompleter.rst.txt	2494	0644	editdlrm
robotparser.rst.txt	2190	0644	editdlrm
runpy.rst.txt	6938	0644	editdlrm
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
shelve.rst.txt	8319	0644	editdlrm
shlex.rst.txt	11313	0644	editdlrm
shutil.rst.txt	13491	0644	editdlrm
signal.rst.txt	10719	0644	editdlrm
simplehttpserver.rst.txt	4559	0644	editdlrm
simplexmlrpcserver.rst.txt	10881	0644	editdlrm
site.rst.txt	7880	0644	editdlrm
smtpd.rst.txt	2464	0644	editdlrm
smtplib.rst.txt	14906	0644	editdlrm
sndhdr.rst.txt	1759	0644	editdlrm
socket.rst.txt	40765	0644	editdlrm
socketserver.rst.txt	22512	0644	editdlrm
someos.rst.txt	599	0644	editdlrm
spwd.rst.txt	2825	0644	editdlrm
sqlite3.rst.txt	35448	0644	editdlrm
ssl.rst.txt	76554	0644	editdlrm
stat.rst.txt	7778	0644	editdlrm
statvfs.rst.txt	1300	0644	editdlrm
stdtypes.rst.txt	122668	0644	editdlrm
string.rst.txt	44085	0644	editdlrm
stringio.rst.txt	4166	0644	editdlrm
stringprep.rst.txt	4238	0644	editdlrm
strings.rst.txt	746	0644	editdlrm
struct.rst.txt	17100	0644	editdlrm
subprocess.rst.txt	33648	0644	editdlrm
sun.rst.txt	249	0644	editdlrm
sunau.rst.txt	7124	0644	editdlrm
sunaudio.rst.txt	5849	0644	editdlrm
symbol.rst.txt	975	0644	editdlrm
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sys.rst.txt	47520	0644	editdlrm
sysconfig.rst.txt	7639	0644	editdlrm
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tabnanny.rst.txt	1999	0644	editdlrm
tarfile.rst.txt	28214	0644	editdlrm
telnetlib.rst.txt	7482	0644	editdlrm
tempfile.rst.txt	10504	0644	editdlrm
termios.rst.txt	3733	0644	editdlrm
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tk.rst.txt	1612	0644	editdlrm
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token.rst.txt	2451	0644	editdlrm
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ttk.rst.txt	57411	0644	editdlrm
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turtle.rst.txt	64097	0644	editdlrm
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urllib.rst.txt	24960	0644	editdlrm
urllib2.rst.txt	35211	0644	editdlrm
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wave.rst.txt	5047	0644	editdlrm
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wsgiref.rst.txt	30567	0644	editdlrm
xdrlib.rst.txt	8077	0644	editdlrm
xml.dom.minidom.rst.txt	11208	0644	editdlrm
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xml.etree.elementtree.rst.txt	35707	0644	editdlrm
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xml.sax.handler.rst.txt	15371	0644	editdlrm
xml.sax.reader.rst.txt	12257	0644	editdlrm
xml.sax.rst.txt	6460	0644	editdlrm
xml.sax.utils.rst.txt	3560	0644	editdlrm
xmlrpclib.rst.txt	22559	0644	editdlrm
zipfile.rst.txt	18871	0644	editdlrm
zipimport.rst.txt	5957	0644	editdlrm
zlib.rst.txt	12766	0644	editdlrm
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__builtin__.rst.txt	1494	0644	editdlrm
__future__.rst.txt	4952	0644	editdlrm
__main__.rst.txt	535	0644	editdlrm

:mod:`tempfile` --- Generate temporary files and directories ============================================================ .. sectionauthor:: Zack Weinberg .. module:: tempfile :synopsis: Generate temporary files and directories. .. index:: pair: temporary; file name pair: temporary; file **Source code:** :source:`Lib/tempfile.py` -------------- This module generates temporary files and directories. It works on all supported platforms. In version 2.3 of Python, this module was overhauled for enhanced security. It now provides three new functions, :func:`NamedTemporaryFile`, :func:`mkstemp`, and :func:`mkdtemp`, which should eliminate all remaining need to use the insecure :func:`mktemp` function. Temporary file names created by this module no longer contain the process ID; instead a string of six random characters is used. Also, all the user-callable functions now take additional arguments which allow direct control over the location and name of temporary files. It is no longer necessary to use the global *tempdir* and *template* variables. To maintain backward compatibility, the argument order is somewhat odd; it is recommended to use keyword arguments for clarity. The module defines the following user-callable functions: .. function:: TemporaryFile([mode='w+b'[, bufsize=-1[, suffix=''[, prefix='tmp'[, dir=None]]]]]) Return a file-like object that can be used as a temporary storage area. The file is created using :func:`mkstemp`. It will be destroyed as soon as it is closed (including an implicit close when the object is garbage collected). Under Unix, the directory entry for the file is removed immediately after the file is created. Other platforms do not support this; your code should not rely on a temporary file created using this function having or not having a visible name in the file system. The *mode* parameter defaults to ``'w+b'`` so that the file created can be read and written without being closed. Binary mode is used so that it behaves consistently on all platforms without regard for the data that is stored. *bufsize* defaults to ``-1``, meaning that the operating system default is used. The *dir*, *prefix* and *suffix* parameters are passed to :func:`mkstemp`. The returned object is a true file object on POSIX platforms. On other platforms, it is a file-like object whose :attr:`!file` attribute is the underlying true file object. This file-like object can be used in a :keyword:`with` statement, just like a normal file. .. function:: NamedTemporaryFile([mode='w+b'[, bufsize=-1[, suffix=''[, prefix='tmp'[, dir=None[, delete=True]]]]]]) This function operates exactly as :func:`TemporaryFile` does, except that the file is guaranteed to have a visible name in the file system (on Unix, the directory entry is not unlinked). That name can be retrieved from the :attr:`name` attribute of the returned file-like object. Whether the name can be used to open the file a second time, while the named temporary file is still open, varies across platforms (it can be so used on Unix; it cannot on Windows NT or later). If *delete* is true (the default), the file is deleted as soon as it is closed. The returned object is always a file-like object whose :attr:`!file` attribute is the underlying true file object. This file-like object can be used in a :keyword:`with` statement, just like a normal file. .. versionadded:: 2.3 .. versionadded:: 2.6 The *delete* parameter. .. function:: SpooledTemporaryFile([max_size=0, [mode='w+b'[, bufsize=-1[, suffix=''[, prefix='tmp'[, dir=None]]]]]]) This function operates exactly as :func:`TemporaryFile` does, except that data is spooled in memory until the file size exceeds *max_size*, or until the file's :func:`fileno` method is called, at which point the contents are written to disk and operation proceeds as with :func:`TemporaryFile`. Also, it's ``truncate`` method does not accept a ``size`` argument. The resulting file has one additional method, :func:`rollover`, which causes the file to roll over to an on-disk file regardless of its size. The returned object is a file-like object whose :attr:`_file` attribute is either a :class:`~StringIO.StringIO` object or a true file object, depending on whether :func:`rollover` has been called. This file-like object can be used in a :keyword:`with` statement, just like a normal file. .. versionadded:: 2.6 .. function:: mkstemp([suffix=''[, prefix='tmp'[, dir=None[, text=False]]]]) Creates a temporary file in the most secure manner possible. There are no race conditions in the file's creation, assuming that the platform properly implements the :const:`os.O_EXCL` flag for :func:`os.open`. The file is readable and writable only by the creating user ID. If the platform uses permission bits to indicate whether a file is executable, the file is executable by no one. The file descriptor is not inherited by child processes. Unlike :func:`TemporaryFile`, the user of :func:`mkstemp` is responsible for deleting the temporary file when done with it. If *suffix* is specified, the file name will end with that suffix, otherwise there will be no suffix. :func:`mkstemp` does not put a dot between the file name and the suffix; if you need one, put it at the beginning of *suffix*. If *prefix* is specified, the file name will begin with that prefix; otherwise, a default prefix is used. If *dir* is specified, the file will be created in that directory; otherwise, a default directory is used. The default directory is chosen from a platform-dependent list, but the user of the application can control the directory location by setting the *TMPDIR*, *TEMP* or *TMP* environment variables. There is thus no guarantee that the generated filename will have any nice properties, such as not requiring quoting when passed to external commands via ``os.popen()``. If *text* is specified, it indicates whether to open the file in binary mode (the default) or text mode. On some platforms, this makes no difference. :func:`mkstemp` returns a tuple containing an OS-level handle to an open file (as would be returned by :func:`os.open`) and the absolute pathname of that file, in that order. .. versionadded:: 2.3 .. function:: mkdtemp([suffix=''[, prefix='tmp'[, dir=None]]]) Creates a temporary directory in the most secure manner possible. There are no race conditions in the directory's creation. The directory is readable, writable, and searchable only by the creating user ID. The user of :func:`mkdtemp` is responsible for deleting the temporary directory and its contents when done with it. The *prefix*, *suffix*, and *dir* arguments are the same as for :func:`mkstemp`. :func:`mkdtemp` returns the absolute pathname of the new directory. .. versionadded:: 2.3 .. function:: mktemp([suffix=''[, prefix='tmp'[, dir=None]]]) .. deprecated:: 2.3 Use :func:`mkstemp` instead. Return an absolute pathname of a file that did not exist at the time the call is made. The *prefix*, *suffix*, and *dir* arguments are the same as for :func:`mkstemp`. .. warning:: Use of this function may introduce a security hole in your program. By the time you get around to doing anything with the file name it returns, someone else may have beaten you to the punch. :func:`mktemp` usage can be replaced easily with :func:`NamedTemporaryFile`, passing it the ``delete=False`` parameter:: >>> f = NamedTemporaryFile(delete=False) >>> f ', mode 'w+b' at 0x384698> >>> f.name '/var/folders/5q/5qTPn6xq2RaWqk+1Ytw3-U+++TI/-Tmp-/tmpG7V1Y0' >>> f.write("Hello World!\n") >>> f.close() >>> os.unlink(f.name) >>> os.path.exists(f.name) False The module uses a global variable that tell it how to construct a temporary name. They are initialized at the first call to any of the functions above. The caller may change them, but this is discouraged; use the appropriate function arguments, instead. .. data:: tempdir When set to a value other than ``None``, this variable defines the default value for the *dir* argument to all the functions defined in this module. If ``tempdir`` is unset or ``None`` at any call to any of the above functions, Python searches a standard list of directories and sets *tempdir* to the first one which the calling user can create files in. The list is: #. The directory named by the :envvar:`TMPDIR` environment variable. #. The directory named by the :envvar:`TEMP` environment variable. #. The directory named by the :envvar:`TMP` environment variable. #. A platform-specific location: * On RiscOS, the directory named by the :envvar:`Wimp$ScrapDir` environment variable. * On Windows, the directories :file:`C:\\TEMP`, :file:`C:\\TMP`, :file:`\\TEMP`, and :file:`\\TMP`, in that order. * On all other platforms, the directories :file:`/tmp`, :file:`/var/tmp`, and :file:`/usr/tmp`, in that order. #. As a last resort, the current working directory. .. function:: gettempdir() Return the directory currently selected to create temporary files in. If :data:`tempdir` is not ``None``, this simply returns its contents; otherwise, the search described above is performed, and the result returned. .. versionadded:: 2.3 .. data:: template .. deprecated:: 2.0 Use :func:`gettempprefix` instead. When set to a value other than ``None``, this variable defines the prefix of the final component of the filenames returned by :func:`mktemp`. A string of six random letters and digits is appended to the prefix to make the filename unique. The default prefix is :file:`tmp`. Older versions of this module used to require that ``template`` be set to ``None`` after a call to :func:`os.fork`; this has not been necessary since version 1.5.2. .. function:: gettempprefix() Return the filename prefix used to create temporary files. This does not contain the directory component. Using this function is preferred over reading the *template* variable directly. .. versionadded:: 1.5.2