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2to3.rst.txt
14.3
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__builtin__.rst.txt
1.46
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__future__.rst.txt
4.84
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__main__.rst.txt
535
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_winreg.rst.txt
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abc.rst.txt
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aepack.rst.txt
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aetools.rst.txt
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aetypes.rst.txt
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aifc.rst.txt
6.92
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al.rst.txt
5.18
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allos.rst.txt
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anydbm.rst.txt
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archiving.rst.txt
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argparse.rst.txt
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array.rst.txt
10.28
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ast.rst.txt
10.23
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asynchat.rst.txt
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asyncore.rst.txt
12.63
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atexit.rst.txt
3.82
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audioop.rst.txt
10.15
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autogil.rst.txt
1015
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base64.rst.txt
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basehttpserver.rst.txt
10.16
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bastion.rst.txt
2.55
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bdb.rst.txt
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binascii.rst.txt
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binhex.rst.txt
1.87
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bisect.rst.txt
5.29
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bsddb.rst.txt
7.4
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bz2.rst.txt
7.88
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calendar.rst.txt
11.02
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carbon.rst.txt
15.58
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cd.rst.txt
11.69
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cgi.rst.txt
22.32
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cgihttpserver.rst.txt
2.72
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cgitb.rst.txt
2.81
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chunk.rst.txt
4.84
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cmath.rst.txt
7.47
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cmd.rst.txt
8.36
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code.rst.txt
6.95
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codecs.rst.txt
65.4
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codeop.rst.txt
3.69
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collections.rst.txt
40.48
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colorpicker.rst.txt
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colorsys.rst.txt
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commands.rst.txt
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compileall.rst.txt
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compiler.rst.txt
36.59
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configparser.rst.txt
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constants.rst.txt
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contextlib.rst.txt
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cookie.rst.txt
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cookielib.rst.txt
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copy.rst.txt
3.27
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copy_reg.rst.txt
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crypt.rst.txt
2.24
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crypto.rst.txt
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csv.rst.txt
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ctypes.rst.txt
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curses.ascii.rst.txt
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curses.panel.rst.txt
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curses.rst.txt
73.12
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custominterp.rst.txt
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datatypes.rst.txt
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datetime.rst.txt
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dbhash.rst.txt
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dbm.rst.txt
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debug.rst.txt
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decimal.rst.txt
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development.rst.txt
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difflib.rst.txt
30
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dircache.rst.txt
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dis.rst.txt
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distribution.rst.txt
426
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distutils.rst.txt
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dl.rst.txt
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doctest.rst.txt
72.25
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docxmlrpcserver.rst.txt
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dumbdbm.rst.txt
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dummy_thread.rst.txt
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dummy_threading.rst.txt
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easydialogs.rst.txt
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email-examples.rst.txt
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email.charset.rst.txt
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email.encoders.rst.txt
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email.errors.rst.txt
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email.generator.rst.txt
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email.header.rst.txt
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email.iterators.rst.txt
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email.message.rst.txt
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email.mime.rst.txt
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email.parser.rst.txt
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email.rst.txt
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email.utils.rst.txt
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ensurepip.rst.txt
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errno.rst.txt
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exceptions.rst.txt
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fcntl.rst.txt
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filecmp.rst.txt
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fileformats.rst.txt
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fileinput.rst.txt
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filesys.rst.txt
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fl.rst.txt
17.23
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fm.rst.txt
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fnmatch.rst.txt
3.03
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formatter.rst.txt
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fpectl.rst.txt
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fpformat.rst.txt
1.71
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fractions.rst.txt
5.17
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framework.rst.txt
11.18
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frameworks.rst.txt
378
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ftplib.rst.txt
15.35
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functions.rst.txt
73.75
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functools.rst.txt
7.27
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future_builtins.rst.txt
1.96
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gc.rst.txt
8.8
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gdbm.rst.txt
4.77
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gensuitemodule.rst.txt
3.04
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getopt.rst.txt
6.51
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getpass.rst.txt
1.83
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gettext.rst.txt
28.36
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gl.rst.txt
5.87
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glob.rst.txt
2.36
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grp.rst.txt
2.2
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gzip.rst.txt
4.71
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hashlib.rst.txt
7.21
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heapq.rst.txt
12.88
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hmac.rst.txt
3
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hotshot.rst.txt
4.19
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htmllib.rst.txt
7.21
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htmlparser.rst.txt
11.37
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httplib.rst.txt
36.58
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i18n.rst.txt
409
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ic.rst.txt
4.89
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idle.rst.txt
21.66
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imageop.rst.txt
3.91
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imaplib.rst.txt
16.82
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imgfile.rst.txt
2.7
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imghdr.rst.txt
2.57
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imp.rst.txt
12.3
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importlib.rst.txt
1.1
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imputil.rst.txt
6.86
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index.rst.txt
2.23
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inspect.rst.txt
27.49
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internet.rst.txt
950
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intro.rst.txt
2.74
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io.rst.txt
38.11
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ipc.rst.txt
630
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itertools.rst.txt
35.67
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jpeg.rst.txt
3.77
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json.rst.txt
24.95
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keyword.rst.txt
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language.rst.txt
523
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linecache.rst.txt
1.84
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locale.rst.txt
24.39
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logging.config.rst.txt
30.82
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logging.handlers.rst.txt
27.49
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logging.rst.txt
45.78
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mac.rst.txt
791
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macos.rst.txt
3.73
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macosa.rst.txt
3.87
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macostools.rst.txt
3.92
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macpath.rst.txt
650
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mailbox.rst.txt
66.53
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mailcap.rst.txt
3.59
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markup.rst.txt
1.22
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marshal.rst.txt
5.56
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math.rst.txt
10.66
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md5.rst.txt
2.75
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mhlib.rst.txt
3.87
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mimetools.rst.txt
4.4
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mimetypes.rst.txt
9.61
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mimewriter.rst.txt
3.28
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mimify.rst.txt
3.44
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miniaeframe.rst.txt
2.5
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misc.rst.txt
248
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mm.rst.txt
447
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mmap.rst.txt
10.24
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modulefinder.rst.txt
3.3
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modules.rst.txt
382
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msilib.rst.txt
18.62
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msvcrt.rst.txt
4.24
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multifile.rst.txt
6.46
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multiprocessing.rst.txt
90.45
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mutex.rst.txt
1.89
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netdata.rst.txt
432
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netrc.rst.txt
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new.rst.txt
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nis.rst.txt
2.06
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nntplib.rst.txt
14.19
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numbers.rst.txt
7.82
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numeric.rst.txt
751
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operator.rst.txt
21.57
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optparse.rst.txt
75.29
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os.path.rst.txt
12.79
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os.rst.txt
80.64
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ossaudiodev.rst.txt
16.9
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othergui.rst.txt
2.66
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parser.rst.txt
15.02
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pdb.rst.txt
15.67
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persistence.rst.txt
826
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pickle.rst.txt
36.39
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pickletools.rst.txt
1.95
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pipes.rst.txt
3.7
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pkgutil.rst.txt
7.53
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platform.rst.txt
9.33
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plistlib.rst.txt
4.04
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popen2.rst.txt
6.86
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poplib.rst.txt
6.07
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posix.rst.txt
3.54
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posixfile.rst.txt
7.03
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pprint.rst.txt
8.86
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profile.rst.txt
27.99
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pty.rst.txt
1.72
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pwd.rst.txt
2.66
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py_compile.rst.txt
2.42
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pyclbr.rst.txt
3.22
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pydoc.rst.txt
3.99
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pyexpat.rst.txt
28.21
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python.rst.txt
514
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queue.rst.txt
6.87
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quopri.rst.txt
2.61
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random.rst.txt
13.01
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re.rst.txt
53.81
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readline.rst.txt
10.27
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repr.rst.txt
4.61
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resource.rst.txt
9.37
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restricted.rst.txt
3.25
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rexec.rst.txt
11.47
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rfc822.rst.txt
13.71
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rlcompleter.rst.txt
2.44
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robotparser.rst.txt
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runpy.rst.txt
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sched.rst.txt
4.54
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scrolledtext.rst.txt
1.35
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select.rst.txt
20.26
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sets.rst.txt
14.62
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sgi.rst.txt
322
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sgmllib.rst.txt
10.41
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sha.rst.txt
2.74
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shelve.rst.txt
8.12
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shlex.rst.txt
11.05
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shutil.rst.txt
13.17
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signal.rst.txt
10.47
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simplehttpserver.rst.txt
4.45
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simplexmlrpcserver.rst.txt
10.63
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site.rst.txt
7.7
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smtpd.rst.txt
2.41
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smtplib.rst.txt
14.56
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sndhdr.rst.txt
1.72
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socket.rst.txt
39.81
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socketserver.rst.txt
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someos.rst.txt
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spwd.rst.txt
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sqlite3.rst.txt
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ssl.rst.txt
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stat.rst.txt
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statvfs.rst.txt
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stdtypes.rst.txt
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string.rst.txt
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stringio.rst.txt
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stringprep.rst.txt
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strings.rst.txt
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struct.rst.txt
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subprocess.rst.txt
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sun.rst.txt
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sunau.rst.txt
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sunaudio.rst.txt
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symbol.rst.txt
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symtable.rst.txt
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sys.rst.txt
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sysconfig.rst.txt
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syslog.rst.txt
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tabnanny.rst.txt
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tarfile.rst.txt
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telnetlib.rst.txt
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tempfile.rst.txt
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termios.rst.txt
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test.rst.txt
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textwrap.rst.txt
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thread.rst.txt
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threading.rst.txt
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time.rst.txt
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timeit.rst.txt
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tix.rst.txt
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tk.rst.txt
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tkinter.rst.txt
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token.rst.txt
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tokenize.rst.txt
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trace.rst.txt
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traceback.rst.txt
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ttk.rst.txt
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tty.rst.txt
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turtle.rst.txt
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types.rst.txt
6.05
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undoc.rst.txt
6.4
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unicodedata.rst.txt
5.59
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unittest.rst.txt
81.01
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unix.rst.txt
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urllib.rst.txt
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urllib2.rst.txt
34.39
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urlparse.rst.txt
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user.rst.txt
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userdict.rst.txt
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uu.rst.txt
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uuid.rst.txt
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warnings.rst.txt
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wave.rst.txt
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weakref.rst.txt
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webbrowser.rst.txt
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whichdb.rst.txt
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windows.rst.txt
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winsound.rst.txt
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wsgiref.rst.txt
29.85
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xdrlib.rst.txt
7.89
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xml.dom.minidom.rst.txt
10.95
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xml.dom.pulldom.rst.txt
1.53
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xml.dom.rst.txt
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xml.etree.elementtree.rst.txt
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Code Editor : telnetlib.rst.txt
:mod:`telnetlib` --- Telnet client ================================== .. module:: telnetlib :synopsis: Telnet client class. .. sectionauthor:: Skip Montanaro <skip@pobox.com> .. index:: single: protocol; Telnet **Source code:** :source:`Lib/telnetlib.py` -------------- The :mod:`telnetlib` module provides a :class:`Telnet` class that implements the Telnet protocol. See :rfc:`854` for details about the protocol. In addition, it provides symbolic constants for the protocol characters (see below), and for the telnet options. The symbolic names of the telnet options follow the definitions in ``arpa/telnet.h``, with the leading ``TELOPT_`` removed. For symbolic names of options which are traditionally not included in ``arpa/telnet.h``, see the module source itself. The symbolic constants for the telnet commands are: IAC, DONT, DO, WONT, WILL, SE (Subnegotiation End), NOP (No Operation), DM (Data Mark), BRK (Break), IP (Interrupt process), AO (Abort output), AYT (Are You There), EC (Erase Character), EL (Erase Line), GA (Go Ahead), SB (Subnegotiation Begin). .. class:: Telnet([host[, port[, timeout]]]) :class:`Telnet` represents a connection to a Telnet server. The instance is initially not connected by default; the :meth:`~Telnet.open` method must be used to establish a connection. Alternatively, the host name and optional port number can be passed to the constructor, to, in which case the connection to the server will be established before the constructor returns. The optional *timeout* parameter specifies a timeout in seconds for blocking operations like the connection attempt (if not specified, the global default timeout setting will be used). Do not reopen an already connected instance. This class has many :meth:`read_\*` methods. Note that some of them raise :exc:`EOFError` when the end of the connection is read, because they can return an empty string for other reasons. See the individual descriptions below. .. versionchanged:: 2.6 *timeout* was added. .. seealso:: :rfc:`854` - Telnet Protocol Specification Definition of the Telnet protocol. .. _telnet-objects: Telnet Objects -------------- :class:`Telnet` instances have the following methods: .. method:: Telnet.read_until(expected[, timeout]) Read until a given string, *expected*, is encountered or until *timeout* seconds have passed. When no match is found, return whatever is available instead, possibly the empty string. Raise :exc:`EOFError` if the connection is closed and no cooked data is available. .. method:: Telnet.read_all() Read all data until EOF; block until connection closed. .. method:: Telnet.read_some() Read at least one byte of cooked data unless EOF is hit. Return ``''`` if EOF is hit. Block if no data is immediately available. .. method:: Telnet.read_very_eager() Read everything that can be without blocking in I/O (eager). Raise :exc:`EOFError` if connection closed and no cooked data available. Return ``''`` if no cooked data available otherwise. Do not block unless in the midst of an IAC sequence. .. method:: Telnet.read_eager() Read readily available data. Raise :exc:`EOFError` if connection closed and no cooked data available. Return ``''`` if no cooked data available otherwise. Do not block unless in the midst of an IAC sequence. .. method:: Telnet.read_lazy() Process and return data already in the queues (lazy). Raise :exc:`EOFError` if connection closed and no data available. Return ``''`` if no cooked data available otherwise. Do not block unless in the midst of an IAC sequence. .. method:: Telnet.read_very_lazy() Return any data available in the cooked queue (very lazy). Raise :exc:`EOFError` if connection closed and no data available. Return ``''`` if no cooked data available otherwise. This method never blocks. .. method:: Telnet.read_sb_data() Return the data collected between a SB/SE pair (suboption begin/end). The callback should access these data when it was invoked with a ``SE`` command. This method never blocks. .. versionadded:: 2.3 .. method:: Telnet.open(host[, port[, timeout]]) Connect to a host. The optional second argument is the port number, which defaults to the standard Telnet port (23). The optional *timeout* parameter specifies a timeout in seconds for blocking operations like the connection attempt (if not specified, the global default timeout setting will be used). Do not try to reopen an already connected instance. .. versionchanged:: 2.6 *timeout* was added. .. method:: Telnet.msg(msg[, *args]) Print a debug message when the debug level is ``>`` 0. If extra arguments are present, they are substituted in the message using the standard string formatting operator. .. method:: Telnet.set_debuglevel(debuglevel) Set the debug level. The higher the value of *debuglevel*, the more debug output you get (on ``sys.stdout``). .. method:: Telnet.close() Close the connection. .. method:: Telnet.get_socket() Return the socket object used internally. .. method:: Telnet.fileno() Return the file descriptor of the socket object used internally. .. method:: Telnet.write(buffer) Write a string to the socket, doubling any IAC characters. This can block if the connection is blocked. May raise :exc:`socket.error` if the connection is closed. .. method:: Telnet.interact() Interaction function, emulates a very dumb Telnet client. .. method:: Telnet.mt_interact() Multithreaded version of :meth:`interact`. .. method:: Telnet.expect(list[, timeout]) Read until one from a list of a regular expressions matches. The first argument is a list of regular expressions, either compiled (:class:`regex objects <re-objects>`) or uncompiled (strings). The optional second argument is a timeout, in seconds; the default is to block indefinitely. Return a tuple of three items: the index in the list of the first regular expression that matches; the match object returned; and the text read up till and including the match. If end of file is found and no text was read, raise :exc:`EOFError`. Otherwise, when nothing matches, return ``(-1, None, text)`` where *text* is the text received so far (may be the empty string if a timeout happened). If a regular expression ends with a greedy match (such as ``.*``) or if more than one expression can match the same input, the results are non-deterministic, and may depend on the I/O timing. .. method:: Telnet.set_option_negotiation_callback(callback) Each time a telnet option is read on the input flow, this *callback* (if set) is called with the following parameters: callback(telnet socket, command (DO/DONT/WILL/WONT), option). No other action is done afterwards by telnetlib. .. _telnet-example: Telnet Example -------------- .. sectionauthor:: Peter Funk <pf@artcom-gmbh.de> A simple example illustrating typical use:: import getpass import sys import telnetlib HOST = "localhost" user = raw_input("Enter your remote account: ") password = getpass.getpass() tn = telnetlib.Telnet(HOST) tn.read_until("login: ") tn.write(user + "\n") if password: tn.read_until("Password: ") tn.write(password + "\n") tn.write("ls\n") tn.write("exit\n") print tn.read_all()
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