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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 : ftplib.rst.txt
:mod:`ftplib` --- FTP protocol client ===================================== .. module:: ftplib :synopsis: FTP protocol client (requires sockets). .. index:: pair: FTP; protocol single: FTP; ftplib (standard module) **Source code:** :source:`Lib/ftplib.py` -------------- This module defines the class :class:`FTP` and a few related items. The :class:`FTP` class implements the client side of the FTP protocol. You can use this to write Python programs that perform a variety of automated FTP jobs, such as mirroring other FTP servers. It is also used by the module :mod:`urllib` to handle URLs that use FTP. For more information on FTP (File Transfer Protocol), see Internet :rfc:`959`. Here's a sample session using the :mod:`ftplib` module:: >>> from ftplib import FTP >>> ftp = FTP('ftp.debian.org') # connect to host, default port >>> ftp.login() # user anonymous, passwd anonymous@ '230 Login successful.' >>> ftp.cwd('debian') # change into "debian" directory >>> ftp.retrlines('LIST') # list directory contents -rw-rw-r-- 1 1176 1176 1063 Jun 15 10:18 README ... drwxr-sr-x 5 1176 1176 4096 Dec 19 2000 pool drwxr-sr-x 4 1176 1176 4096 Nov 17 2008 project drwxr-xr-x 3 1176 1176 4096 Oct 10 2012 tools '226 Directory send OK.' >>> ftp.retrbinary('RETR README', open('README', 'wb').write) '226 Transfer complete.' >>> ftp.quit() The module defines the following items: .. class:: FTP([host[, user[, passwd[, acct[, timeout]]]]]) Return a new instance of the :class:`FTP` class. When *host* is given, the method call ``connect(host)`` is made. When *user* is given, additionally the method call ``login(user, passwd, acct)`` is made (where *passwd* and *acct* default to the empty string when not given). The optional *timeout* parameter specifies a timeout in seconds for blocking operations like the connection attempt (if is not specified, the global default timeout setting will be used). .. versionchanged:: 2.6 *timeout* was added. .. class:: FTP_TLS([host[, user[, passwd[, acct[, keyfile[, certfile[, context[, timeout]]]]]]]]) A :class:`FTP` subclass which adds TLS support to FTP as described in :rfc:`4217`. Connect as usual to port 21 implicitly securing the FTP control connection before authenticating. Securing the data connection requires the user to explicitly ask for it by calling the :meth:`prot_p` method. *context* is a :class:`ssl.SSLContext` object which allows bundling SSL configuration options, certificates and private keys into a single (potentially long-lived) structure. Please read :ref:`ssl-security` for best practices. *keyfile* and *certfile* are a legacy alternative to *context* -- they can point to PEM-formatted private key and certificate chain files (respectively) for the SSL connection. .. versionadded:: 2.7 .. versionchanged:: 2.7.10 The *context* parameter was added. Here's a sample session using the :class:`FTP_TLS` class: >>> from ftplib import FTP_TLS >>> ftps = FTP_TLS('ftp.python.org') >>> ftps.login() # login anonymously before securing control channel >>> ftps.prot_p() # switch to secure data connection >>> ftps.retrlines('LIST') # list directory content securely total 9 drwxr-xr-x 8 root wheel 1024 Jan 3 1994 . drwxr-xr-x 8 root wheel 1024 Jan 3 1994 .. drwxr-xr-x 2 root wheel 1024 Jan 3 1994 bin drwxr-xr-x 2 root wheel 1024 Jan 3 1994 etc d-wxrwxr-x 2 ftp wheel 1024 Sep 5 13:43 incoming drwxr-xr-x 2 root wheel 1024 Nov 17 1993 lib drwxr-xr-x 6 1094 wheel 1024 Sep 13 19:07 pub drwxr-xr-x 3 root wheel 1024 Jan 3 1994 usr -rw-r--r-- 1 root root 312 Aug 1 1994 welcome.msg '226 Transfer complete.' >>> ftps.quit() >>> .. exception:: error_reply Exception raised when an unexpected reply is received from the server. .. exception:: error_temp Exception raised when an error code signifying a temporary error (response codes in the range 400--499) is received. .. exception:: error_perm Exception raised when an error code signifying a permanent error (response codes in the range 500--599) is received. .. exception:: error_proto Exception raised when a reply is received from the server that does not fit the response specifications of the File Transfer Protocol, i.e. begin with a digit in the range 1--5. .. data:: all_errors The set of all exceptions (as a tuple) that methods of :class:`FTP` instances may raise as a result of problems with the FTP connection (as opposed to programming errors made by the caller). This set includes the four exceptions listed above as well as :exc:`socket.error` and :exc:`IOError`. .. seealso:: Module :mod:`netrc` Parser for the :file:`.netrc` file format. The file :file:`.netrc` is typically used by FTP clients to load user authentication information before prompting the user. .. index:: single: ftpmirror.py The file :file:`Tools/scripts/ftpmirror.py` in the Python source distribution is a script that can mirror FTP sites, or portions thereof, using the :mod:`ftplib` module. It can be used as an extended example that applies this module. .. _ftp-objects: FTP Objects ----------- Several methods are available in two flavors: one for handling text files and another for binary files. These are named for the command which is used followed by ``lines`` for the text version or ``binary`` for the binary version. :class:`FTP` instances have the following methods: .. method:: FTP.set_debuglevel(level) Set the instance's debugging level. This controls the amount of debugging output printed. The default, ``0``, produces no debugging output. A value of ``1`` produces a moderate amount of debugging output, generally a single line per request. A value of ``2`` or higher produces the maximum amount of debugging output, logging each line sent and received on the control connection. .. method:: FTP.connect(host[, port[, timeout]]) Connect to the given host and port. The default port number is ``21``, as specified by the FTP protocol specification. It is rarely needed to specify a different port number. This function should be called only once for each instance; it should not be called at all if a host was given when the instance was created. All other methods can only be used after a connection has been made. The optional *timeout* parameter specifies a timeout in seconds for the connection attempt. If no *timeout* is passed, the global default timeout setting will be used. .. versionchanged:: 2.6 *timeout* was added. .. method:: FTP.getwelcome() Return the welcome message sent by the server in reply to the initial connection. (This message sometimes contains disclaimers or help information that may be relevant to the user.) .. method:: FTP.login([user[, passwd[, acct]]]) Log in as the given *user*. The *passwd* and *acct* parameters are optional and default to the empty string. If no *user* is specified, it defaults to ``'anonymous'``. If *user* is ``'anonymous'``, the default *passwd* is ``'anonymous@'``. This function should be called only once for each instance, after a connection has been established; it should not be called at all if a host and user were given when the instance was created. Most FTP commands are only allowed after the client has logged in. The *acct* parameter supplies "accounting information"; few systems implement this. .. method:: FTP.abort() Abort a file transfer that is in progress. Using this does not always work, but it's worth a try. .. method:: FTP.sendcmd(command) Send a simple command string to the server and return the response string. .. method:: FTP.voidcmd(command) Send a simple command string to the server and handle the response. Return nothing if a response code corresponding to success (codes in the range 200--299) is received. Raise :exc:`error_reply` otherwise. .. method:: FTP.retrbinary(command, callback[, maxblocksize[, rest]]) Retrieve a file in binary transfer mode. *command* should be an appropriate ``RETR`` command: ``'RETR filename'``. The *callback* function is called for each block of data received, with a single string argument giving the data block. The optional *maxblocksize* argument specifies the maximum chunk size to read on the low-level socket object created to do the actual transfer (which will also be the largest size of the data blocks passed to *callback*). A reasonable default is chosen. *rest* means the same thing as in the :meth:`transfercmd` method. .. method:: FTP.retrlines(command[, callback]) Retrieve a file or directory listing in ASCII transfer mode. *command* should be an appropriate ``RETR`` command (see :meth:`retrbinary`) or a command such as ``LIST``, ``NLST`` or ``MLSD`` (usually just the string ``'LIST'``). ``LIST`` retrieves a list of files and information about those files. ``NLST`` retrieves a list of file names. On some servers, ``MLSD`` retrieves a machine readable list of files and information about those files. The *callback* function is called for each line with a string argument containing the line with the trailing CRLF stripped. The default *callback* prints the line to ``sys.stdout``. .. method:: FTP.set_pasv(val) Enable "passive" mode if *val* is true, otherwise disable passive mode. (In Python 2.0 and before, passive mode was off by default; in Python 2.1 and later, it is on by default.) .. method:: FTP.storbinary(command, fp[, blocksize, callback, rest]) Store a file in binary transfer mode. *command* should be an appropriate ``STOR`` command: ``"STOR filename"``. *fp* is an open file object which is read until EOF using its :meth:`read` method in blocks of size *blocksize* to provide the data to be stored. The *blocksize* argument defaults to 8192. *callback* is an optional single parameter callable that is called on each block of data after it is sent. *rest* means the same thing as in the :meth:`transfercmd` method. .. versionchanged:: 2.1 default for *blocksize* added. .. versionchanged:: 2.6 *callback* parameter added. .. versionchanged:: 2.7 *rest* parameter added. .. method:: FTP.storlines(command, fp[, callback]) Store a file in ASCII transfer mode. *command* should be an appropriate ``STOR`` command (see :meth:`storbinary`). Lines are read until EOF from the open file object *fp* using its :meth:`~file.readline` method to provide the data to be stored. *callback* is an optional single parameter callable that is called on each line after it is sent. .. versionchanged:: 2.6 *callback* parameter added. .. method:: FTP.transfercmd(cmd[, rest]) Initiate a transfer over the data connection. If the transfer is active, send an ``EPRT`` or ``PORT`` command and the transfer command specified by *cmd*, and accept the connection. If the server is passive, send an ``EPSV`` or ``PASV`` command, connect to it, and start the transfer command. Either way, return the socket for the connection. If optional *rest* is given, a ``REST`` command is sent to the server, passing *rest* as an argument. *rest* is usually a byte offset into the requested file, telling the server to restart sending the file's bytes at the requested offset, skipping over the initial bytes. Note however that RFC 959 requires only that *rest* be a string containing characters in the printable range from ASCII code 33 to ASCII code 126. The :meth:`transfercmd` method, therefore, converts *rest* to a string, but no check is performed on the string's contents. If the server does not recognize the ``REST`` command, an :exc:`error_reply` exception will be raised. If this happens, simply call :meth:`transfercmd` without a *rest* argument. .. method:: FTP.ntransfercmd(cmd[, rest]) Like :meth:`transfercmd`, but returns a tuple of the data connection and the expected size of the data. If the expected size could not be computed, ``None`` will be returned as the expected size. *cmd* and *rest* means the same thing as in :meth:`transfercmd`. .. method:: FTP.nlst(argument[, ...]) Return a list of file names as returned by the ``NLST`` command. The optional *argument* is a directory to list (default is the current server directory). Multiple arguments can be used to pass non-standard options to the ``NLST`` command. .. method:: FTP.dir(argument[, ...]) Produce a directory listing as returned by the ``LIST`` command, printing it to standard output. The optional *argument* is a directory to list (default is the current server directory). Multiple arguments can be used to pass non-standard options to the ``LIST`` command. If the last argument is a function, it is used as a *callback* function as for :meth:`retrlines`; the default prints to ``sys.stdout``. This method returns ``None``. .. method:: FTP.rename(fromname, toname) Rename file *fromname* on the server to *toname*. .. method:: FTP.delete(filename) Remove the file named *filename* from the server. If successful, returns the text of the response, otherwise raises :exc:`error_perm` on permission errors or :exc:`error_reply` on other errors. .. method:: FTP.cwd(pathname) Set the current directory on the server. .. method:: FTP.mkd(pathname) Create a new directory on the server. .. method:: FTP.pwd() Return the pathname of the current directory on the server. .. method:: FTP.rmd(dirname) Remove the directory named *dirname* on the server. .. method:: FTP.size(filename) Request the size of the file named *filename* on the server. On success, the size of the file is returned as an integer, otherwise ``None`` is returned. Note that the ``SIZE`` command is not standardized, but is supported by many common server implementations. .. method:: FTP.quit() Send a ``QUIT`` command to the server and close the connection. This is the "polite" way to close a connection, but it may raise an exception if the server responds with an error to the ``QUIT`` command. This implies a call to the :meth:`close` method which renders the :class:`FTP` instance useless for subsequent calls (see below). .. method:: FTP.close() Close the connection unilaterally. This should not be applied to an already closed connection such as after a successful call to :meth:`~FTP.quit`. After this call the :class:`FTP` instance should not be used any more (after a call to :meth:`close` or :meth:`~FTP.quit` you cannot reopen the connection by issuing another :meth:`login` method). FTP_TLS Objects --------------- :class:`FTP_TLS` class inherits from :class:`FTP`, defining these additional objects: .. attribute:: FTP_TLS.ssl_version The SSL version to use (defaults to :attr:`ssl.PROTOCOL_SSLv23`). .. method:: FTP_TLS.auth() Set up secure control connection by using TLS or SSL, depending on what specified in :meth:`ssl_version` attribute. .. method:: FTP_TLS.prot_p() Set up secure data connection. .. method:: FTP_TLS.prot_c() Set up clear text data connection.
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