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2to3.html
63.71
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__builtin__.html
11.79
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__future__.html
15.58
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__main__.html
8.33
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_winreg.html
73.99
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abc.html
26.82
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aepack.html
15.47
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aetools.html
18.79
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aetypes.html
27.08
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aifc.html
29.59
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al.html
22.13
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allos.html
35.48
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anydbm.html
19.31
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archiving.html
10.64
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argparse.html
269.59
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array.html
35.35
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ast.html
42.42
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asynchat.html
35.84
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asyncore.html
43.22
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atexit.html
19.23
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audioop.html
41.32
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autogil.html
9.77
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base64.html
24.8
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basehttpserver.html
40.6
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bastion.html
13.02
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bdb.html
50.06
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binascii.html
26.64
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binhex.html
12.66
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bisect.html
28.52
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bsddb.html
32.02
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bz2.html
31.92
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calendar.html
50.16
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carbon.html
54.14
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cd.html
35.24
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cgi.html
58.4
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cgihttpserver.html
15.12
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cgitb.html
13.5
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chunk.html
17.41
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cmath.html
32.41
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cmd.html
32.69
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code.html
28.92
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codecs.html
125.92
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codeop.html
16.42
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collections.html
150.36
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colorpicker.html
9.02
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colorsys.html
14.38
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commands.html
16.63
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compileall.html
21.18
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compiler.html
78.14
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configparser.html
73.92
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constants.html
14.68
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contextlib.html
22.91
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cookie.html
45.38
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cookielib.html
102.78
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copy.html
14.21
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copy_reg.html
15.82
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crypt.html
11.62
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crypto.html
8.35
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csv.html
82.79
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ctypes.html
280.57
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curses.ascii.html
28.97
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curses.html
200.94
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curses.panel.html
18.43
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custominterp.html
8.59
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datatypes.html
18.84
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datetime.html
261.02
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dbhash.html
18.4
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dbm.html
14.75
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debug.html
11.28
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decimal.html
239.14
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development.html
15.27
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difflib.html
96.93
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dircache.html
13.66
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dis.html
96.52
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distribution.html
8.27
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distutils.html
10.97
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dl.html
19.27
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doctest.html
193.18
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docxmlrpcserver.html
20.02
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dumbdbm.html
16.74
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dummy_thread.html
11.04
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dummy_threading.html
9.96
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easydialogs.html
38.83
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email-examples.html
47.2
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email.charset.html
32.45
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email.encoders.html
14.09
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email.errors.html
19.2
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email.generator.html
24.78
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email.header.html
31.12
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email.html
55.3
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email.iterators.html
14.22
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email.message.html
74.91
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email.mime.html
34.51
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email.parser.html
37.09
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email.utils.html
30.04
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ensurepip.html
20.21
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errno.html
52.31
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exceptions.html
73.4
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fcntl.html
27.85
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filecmp.html
26.49
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fileformats.html
10.21
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fileinput.html
29.36
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filesys.html
11.55
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fl.html
71.58
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fm.html
15
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fnmatch.html
17.78
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formatter.html
43.91
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fpectl.html
17.84
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fpformat.html
12.65
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fractions.html
27.17
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framework.html
44.24
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frameworks.html
8.11
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ftplib.html
56.56
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functions.html
216.84
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functools.html
31.06
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future_builtins.html
15.9
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gc.html
30.74
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gdbm.html
19.35
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gensuitemodule.html
14.54
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getopt.html
26.56
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getpass.html
12.5
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gettext.html
91.32
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gl.html
26.71
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glob.html
15.42
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grp.html
12.33
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gzip.html
21.95
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hashlib.html
27.4
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heapq.html
36.72
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hmac.html
15.97
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hotshot.html
22.69
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htmllib.html
29.9
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htmlparser.html
45.11
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httplib.html
78.55
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i18n.html
10.61
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ic.html
22.03
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idle.html
45.74
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imageop.html
20.94
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imaplib.html
69.9
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imgfile.html
14.91
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imghdr.html
13.43
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imp.html
41.48
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importlib.html
10.27
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imputil.html
36.11
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index.html
82.54
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inspect.html
64.31
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internet.html
26.77
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intro.html
9.76
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io.html
122.3
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ipc.html
17.18
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itertools.html
129.91
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jpeg.html
15.36
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json.html
79.09
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keyword.html
9.27
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language.html
12.35
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linecache.html
12.7
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locale.html
68.54
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logging.config.html
82.23
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logging.handlers.html
91.96
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logging.html
123.15
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mac.html
24.49
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macos.html
18.51
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macosa.html
14.55
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macostools.html
19.67
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macpath.html
9.19
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mailbox.html
185.53
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mailcap.html
15.3
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markup.html
20.37
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marshal.html
19.88
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math.html
50.52
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md5.html
16.65
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mhlib.html
30.04
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mimetools.html
23.84
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mimetypes.html
35.82
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mimewriter.html
18.19
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mimify.html
16.96
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miniaeframe.html
14.5
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misc.html
7.77
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mm.html
10.19
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mmap.html
33.52
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modulefinder.html
19.85
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modules.html
9.68
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msilib.html
72.78
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msvcrt.html
24.1
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multifile.html
28.82
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multiprocessing.html
423.97
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mutex.html
13.56
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netdata.html
19.28
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netrc.html
15.51
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new.html
16.1
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nis.html
13.19
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nntplib.html
51.08
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numbers.html
40.91
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numeric.html
14.85
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operator.html
118.32
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optparse.html
251.08
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os.html
270.49
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os.path.html
48.87
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ossaudiodev.html
49.79
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othergui.html
9.98
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parser.html
44.52
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pdb.html
41.44
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persistence.html
16.25
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pickle.html
107.94
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pickletools.html
13.21
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pipes.html
21.85
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pkgutil.html
30.59
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platform.html
40.14
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plistlib.html
20.96
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popen2.html
30.13
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poplib.html
27.93
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posix.html
17.27
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posixfile.html
23.68
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pprint.html
36.42
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profile.html
76.65
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pty.html
11.42
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pwd.html
13.53
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py_compile.html
13.33
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pyclbr.html
18.14
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pydoc.html
14.33
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pyexpat.html
93.28
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python.html
13.53
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queue.html
29.64
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quopri.html
14.5
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random.html
47.78
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re.html
163.11
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readline.html
41.2
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repr.html
24.57
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resource.html
30.86
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restricted.html
12.69
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rexec.html
43.59
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rfc822.html
51.25
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rlcompleter.html
15.29
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robotparser.html
15.01
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runpy.html
23.55
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sched.html
21.76
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scrolledtext.html
10.67
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select.html
50.17
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sets.html
39.92
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sgi.html
11.09
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sgmllib.html
38.77
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sha.html
14.55
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shelve.html
32.93
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shlex.html
38.43
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shutil.html
49.49
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signal.html
36.52
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simplehttpserver.html
21.57
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simplexmlrpcserver.html
40.41
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site.html
29
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smtpd.html
15.64
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smtplib.html
51.86
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sndhdr.html
12.05
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socket.html
126.94
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socketserver.html
81.38
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someos.html
17.09
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spwd.html
12.25
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sqlite3.html
154.12
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ssl.html
214.5
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stat.html
41.11
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statvfs.html
13.24
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stdtypes.html
309.83
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string.html
129.58
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stringio.html
21.1
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stringprep.html
21.4
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strings.html
16.42
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struct.html
47.68
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subprocess.html
117
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sun.html
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sunau.html
35.43
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sunaudio.html
21.05
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symbol.html
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symtable.html
29.03
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sys.html
118.12
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sysconfig.html
28.8
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syslog.html
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tabnanny.html
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tarfile.html
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telnetlib.html
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tempfile.html
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termios.html
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test.html
61.42
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textwrap.html
32.28
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thread.html
22.67
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threading.html
92.04
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time.html
65.55
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timeit.html
44.38
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tix.html
56.73
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tk.html
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tkinter.html
86.67
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token.html
27.31
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tokenize.html
21.69
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trace.html
33.91
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traceback.html
44.22
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ttk.html
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tty.html
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turtle.html
246.17
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types.html
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undoc.html
25.54
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unicodedata.html
22.64
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unittest.html
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unix.html
11.9
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urllib.html
71.61
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urllib2.html
128.77
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urlparse.html
49.04
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user.html
13.41
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userdict.html
32.96
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uu.html
13.25
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uuid.html
33.55
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warnings.html
51.86
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wave.html
29.08
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weakref.html
41.14
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webbrowser.html
29.53
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whichdb.html
10.44
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windows.html
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winsound.html
22.56
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wsgiref.html
94.38
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xdrlib.html
38.05
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xml.dom.html
110.39
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xml.dom.minidom.html
45.23
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xml.dom.pulldom.html
16.32
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xml.etree.elementtree.html
124.2
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xml.html
18.76
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xml.sax.handler.html
47.5
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xml.sax.html
26.04
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xml.sax.reader.html
51.4
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xml.sax.utils.html
18.11
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xmlrpclib.html
71.79
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zipfile.html
67.26
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zipimport.html
24.32
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zlib.html
34.41
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<!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" /> <title>18.10. multifile — Support for files containing distinct parts — Python 2.7.18 documentation</title> <link rel="stylesheet" type="text/css" href="../_static/pygments.css" /> <link rel="stylesheet" type="text/css" href="../_static/classic.css" /> <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script> <script src="../_static/jquery.js"></script> <script src="../_static/underscore.js"></script> <script src="../_static/doctools.js"></script> <script src="../_static/sidebar.js"></script> <link rel="search" type="application/opensearchdescription+xml" title="Search within Python 2.7.18 documentation" href="../_static/opensearch.xml"/> <link rel="author" title="About these documents" href="../about.html" /> <link rel="index" title="Index" href="../genindex.html" /> <link rel="search" title="Search" href="../search.html" /> <link rel="copyright" title="Copyright" href="../copyright.html" /> <link rel="next" title="18.11. rfc822 — Parse RFC 2822 mail headers" href="rfc822.html" /> <link rel="prev" title="18.9. mimify — MIME processing of mail messages" href="mimify.html" /> <link rel="shortcut icon" type="image/png" href="../_static/py.png" /> <link rel="canonical" href="file:///usr/share/doc/python2.7/html/library/multifile.html" /> <script type="text/javascript" src="../_static/copybutton.js"></script> </head><body> <div id="outdated-warning" style="padding: .5em; text-align: center; background-color: #FFBABA; color: #6A0E0E;"> This document is for an old version of Python that is <a href="https://devguide.python.org/devcycle/#end-of-life-branches">no longer supported</a>. You should install the python3 and python3-doc packages and read the <a href="file:///usr/share/doc/python3-doc/html/library/multifile.html"> Python documentation for the Python3 version packaged in this release</a>. </div> <div class="related" role="navigation" aria-label="related navigation"> <h3>Navigation</h3> <ul> <li class="right" style="margin-right: 10px"> <a href="../genindex.html" title="General Index" accesskey="I">index</a></li> <li class="right" > <a href="../py-modindex.html" title="Python Module Index" >modules</a> |</li> <li class="right" > <a href="rfc822.html" title="18.11. rfc822 — Parse RFC 2822 mail headers" accesskey="N">next</a> |</li> <li class="right" > <a href="mimify.html" title="18.9. mimify — MIME processing of mail messages" accesskey="P">previous</a> |</li> <li><img src="../_static/py.png" alt="" style="vertical-align: middle; margin-top: -1px"/></li> <li><a href="https://www.python.org/">Python</a> »</li> <li> <a href="../index.html">Python 2.7.18 documentation</a> » </li> <li class="nav-item nav-item-1"><a href="index.html" >The Python Standard Library</a> »</li> <li class="nav-item nav-item-2"><a href="netdata.html" accesskey="U"><span class="section-number">18. </span>Internet Data Handling</a> »</li> <li class="nav-item nav-item-this"><a href=""><span class="section-number">18.10. </span><code class="xref py py-mod docutils literal notranslate"><span class="pre">multifile</span></code> — Support for files containing distinct parts</a></li> </ul> </div> <div class="document"> <div class="documentwrapper"> <div class="bodywrapper"> <div class="body" role="main"> <section id="module-multifile"> <span id="multifile-support-for-files-containing-distinct-parts"></span><h1><span class="section-number">18.10. </span><a class="reference internal" href="#module-multifile" title="multifile: Support for reading files which contain distinct parts, such as some MIME data. (deprecated)"><code class="xref py py-mod docutils literal notranslate"><span class="pre">multifile</span></code></a> — Support for files containing distinct parts<a class="headerlink" href="#module-multifile" title="Permalink to this headline">¶</a></h1> <div class="deprecated"> <p><span class="versionmodified deprecated">Deprecated since version 2.5: </span>The <a class="reference internal" href="email.html#module-email" title="email: Package supporting the parsing, manipulating, and generating email messages, including MIME documents."><code class="xref py py-mod docutils literal notranslate"><span class="pre">email</span></code></a> package should be used in preference to the <a class="reference internal" href="#module-multifile" title="multifile: Support for reading files which contain distinct parts, such as some MIME data. (deprecated)"><code class="xref py py-mod docutils literal notranslate"><span class="pre">multifile</span></code></a> module. This module is present only to maintain backward compatibility.</p> </div> <p>The <a class="reference internal" href="#multifile.MultiFile" title="multifile.MultiFile"><code class="xref py py-class docutils literal notranslate"><span class="pre">MultiFile</span></code></a> object enables you to treat sections of a text file as file-like input objects, with <code class="docutils literal notranslate"><span class="pre">''</span></code> being returned by <a class="reference internal" href="readline.html#module-readline" title="readline: GNU readline support for Python. (Unix)"><code class="xref py py-meth docutils literal notranslate"><span class="pre">readline()</span></code></a> when a given delimiter pattern is encountered. The defaults of this class are designed to make it useful for parsing MIME multipart messages, but by subclassing it and overriding methods it can be easily adapted for more general use.</p> <dl class="py class"> <dt class="sig sig-object py" id="multifile.MultiFile"> <em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">multifile.</span></span><span class="sig-name descname"><span class="pre">MultiFile</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">fp</span></span></em><span class="optional">[</span>, <em class="sig-param"><span class="n"><span class="pre">seekable</span></span></em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#multifile.MultiFile" title="Permalink to this definition">¶</a></dt> <dd><p>Create a multi-file. You must instantiate this class with an input object argument for the <a class="reference internal" href="#multifile.MultiFile" title="multifile.MultiFile"><code class="xref py py-class docutils literal notranslate"><span class="pre">MultiFile</span></code></a> instance to get lines from, such as a file object returned by <a class="reference internal" href="functions.html#open" title="open"><code class="xref py py-func docutils literal notranslate"><span class="pre">open()</span></code></a>.</p> <p><a class="reference internal" href="#multifile.MultiFile" title="multifile.MultiFile"><code class="xref py py-class docutils literal notranslate"><span class="pre">MultiFile</span></code></a> only ever looks at the input object’s <a class="reference internal" href="readline.html#module-readline" title="readline: GNU readline support for Python. (Unix)"><code class="xref py py-meth docutils literal notranslate"><span class="pre">readline()</span></code></a>, <a class="reference internal" href="#multifile.MultiFile.seek" title="multifile.MultiFile.seek"><code class="xref py py-meth docutils literal notranslate"><span class="pre">seek()</span></code></a> and <a class="reference internal" href="#multifile.MultiFile.tell" title="multifile.MultiFile.tell"><code class="xref py py-meth docutils literal notranslate"><span class="pre">tell()</span></code></a> methods, and the latter two are only needed if you want random access to the individual MIME parts. To use <a class="reference internal" href="#multifile.MultiFile" title="multifile.MultiFile"><code class="xref py py-class docutils literal notranslate"><span class="pre">MultiFile</span></code></a> on a non-seekable stream object, set the optional <em>seekable</em> argument to false; this will prevent using the input object’s <a class="reference internal" href="#multifile.MultiFile.seek" title="multifile.MultiFile.seek"><code class="xref py py-meth docutils literal notranslate"><span class="pre">seek()</span></code></a> and <a class="reference internal" href="#multifile.MultiFile.tell" title="multifile.MultiFile.tell"><code class="xref py py-meth docutils literal notranslate"><span class="pre">tell()</span></code></a> methods.</p> </dd></dl> <p>It will be useful to know that in <a class="reference internal" href="#multifile.MultiFile" title="multifile.MultiFile"><code class="xref py py-class docutils literal notranslate"><span class="pre">MultiFile</span></code></a>’s view of the world, text is composed of three kinds of lines: data, section-dividers, and end-markers. MultiFile is designed to support parsing of messages that may have multiple nested message parts, each with its own pattern for section-divider and end-marker lines.</p> <div class="admonition seealso"> <p class="admonition-title">See also</p> <dl class="simple"> <dt>Module <a class="reference internal" href="email.html#module-email" title="email: Package supporting the parsing, manipulating, and generating email messages, including MIME documents."><code class="xref py py-mod docutils literal notranslate"><span class="pre">email</span></code></a></dt><dd><p>Comprehensive email handling package; supersedes the <a class="reference internal" href="#module-multifile" title="multifile: Support for reading files which contain distinct parts, such as some MIME data. (deprecated)"><code class="xref py py-mod docutils literal notranslate"><span class="pre">multifile</span></code></a> module.</p> </dd> </dl> </div> <section id="multifile-objects"> <span id="id1"></span><h2><span class="section-number">18.10.1. </span>MultiFile Objects<a class="headerlink" href="#multifile-objects" title="Permalink to this headline">¶</a></h2> <p>A <a class="reference internal" href="#multifile.MultiFile" title="multifile.MultiFile"><code class="xref py py-class docutils literal notranslate"><span class="pre">MultiFile</span></code></a> instance has the following methods:</p> <dl class="py method"> <dt class="sig sig-object py" id="multifile.MultiFile.readline"> <span class="sig-prename descclassname"><span class="pre">MultiFile.</span></span><span class="sig-name descname"><span class="pre">readline</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">str</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#multifile.MultiFile.readline" title="Permalink to this definition">¶</a></dt> <dd><p>Read a line. If the line is data (not a section-divider or end-marker or real EOF) return it. If the line matches the most-recently-stacked boundary, return <code class="docutils literal notranslate"><span class="pre">''</span></code> and set <code class="docutils literal notranslate"><span class="pre">self.last</span></code> to 1 or 0 according as the match is or is not an end-marker. If the line matches any other stacked boundary, raise an error. On encountering end-of-file on the underlying stream object, the method raises <code class="xref py py-exc docutils literal notranslate"><span class="pre">Error</span></code> unless all boundaries have been popped.</p> </dd></dl> <dl class="py method"> <dt class="sig sig-object py" id="multifile.MultiFile.readlines"> <span class="sig-prename descclassname"><span class="pre">MultiFile.</span></span><span class="sig-name descname"><span class="pre">readlines</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">str</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#multifile.MultiFile.readlines" title="Permalink to this definition">¶</a></dt> <dd><p>Return all lines remaining in this part as a list of strings.</p> </dd></dl> <dl class="py method"> <dt class="sig sig-object py" id="multifile.MultiFile.read"> <span class="sig-prename descclassname"><span class="pre">MultiFile.</span></span><span class="sig-name descname"><span class="pre">read</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#multifile.MultiFile.read" title="Permalink to this definition">¶</a></dt> <dd><p>Read all lines, up to the next section. Return them as a single (multiline) string. Note that this doesn’t take a size argument!</p> </dd></dl> <dl class="py method"> <dt class="sig sig-object py" id="multifile.MultiFile.seek"> <span class="sig-prename descclassname"><span class="pre">MultiFile.</span></span><span class="sig-name descname"><span class="pre">seek</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">pos</span></span></em><span class="optional">[</span>, <em class="sig-param"><span class="n"><span class="pre">whence</span></span></em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#multifile.MultiFile.seek" title="Permalink to this definition">¶</a></dt> <dd><p>Seek. Seek indices are relative to the start of the current section. The <em>pos</em> and <em>whence</em> arguments are interpreted as for a file seek.</p> </dd></dl> <dl class="py method"> <dt class="sig sig-object py" id="multifile.MultiFile.tell"> <span class="sig-prename descclassname"><span class="pre">MultiFile.</span></span><span class="sig-name descname"><span class="pre">tell</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#multifile.MultiFile.tell" title="Permalink to this definition">¶</a></dt> <dd><p>Return the file position relative to the start of the current section.</p> </dd></dl> <dl class="py method"> <dt class="sig sig-object py" id="multifile.MultiFile.next"> <span class="sig-prename descclassname"><span class="pre">MultiFile.</span></span><span class="sig-name descname"><span class="pre">next</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#multifile.MultiFile.next" title="Permalink to this definition">¶</a></dt> <dd><p>Skip lines to the next section (that is, read lines until a section-divider or end-marker has been consumed). Return true if there is such a section, false if an end-marker is seen. Re-enable the most-recently-pushed boundary.</p> </dd></dl> <dl class="py method"> <dt class="sig sig-object py" id="multifile.MultiFile.is_data"> <span class="sig-prename descclassname"><span class="pre">MultiFile.</span></span><span class="sig-name descname"><span class="pre">is_data</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">str</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#multifile.MultiFile.is_data" title="Permalink to this definition">¶</a></dt> <dd><p>Return true if <em>str</em> is data and false if it might be a section boundary. As written, it tests for a prefix other than <code class="docutils literal notranslate"><span class="pre">'-</span></code><code class="docutils literal notranslate"><span class="pre">-'</span></code> at start of line (which all MIME boundaries have) but it is declared so it can be overridden in derived classes.</p> <p>Note that this test is used intended as a fast guard for the real boundary tests; if it always returns false it will merely slow processing, not cause it to fail.</p> </dd></dl> <dl class="py method"> <dt class="sig sig-object py" id="multifile.MultiFile.push"> <span class="sig-prename descclassname"><span class="pre">MultiFile.</span></span><span class="sig-name descname"><span class="pre">push</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">str</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#multifile.MultiFile.push" title="Permalink to this definition">¶</a></dt> <dd><p>Push a boundary string. When a decorated version of this boundary is found as an input line, it will be interpreted as a section-divider or end-marker (depending on the decoration, see <span class="target" id="index-0"></span><a class="rfc reference external" href="https://tools.ietf.org/html/rfc2045.html"><strong>RFC 2045</strong></a>). All subsequent reads will return the empty string to indicate end-of-file, until a call to <a class="reference internal" href="#multifile.MultiFile.pop" title="multifile.MultiFile.pop"><code class="xref py py-meth docutils literal notranslate"><span class="pre">pop()</span></code></a> removes the boundary a or <a class="reference internal" href="#multifile.MultiFile.next" title="multifile.MultiFile.next"><code class="xref py py-meth docutils literal notranslate"><span class="pre">next()</span></code></a> call reenables it.</p> <p>It is possible to push more than one boundary. Encountering the most-recently-pushed boundary will return EOF; encountering any other boundary will raise an error.</p> </dd></dl> <dl class="py method"> <dt class="sig sig-object py" id="multifile.MultiFile.pop"> <span class="sig-prename descclassname"><span class="pre">MultiFile.</span></span><span class="sig-name descname"><span class="pre">pop</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#multifile.MultiFile.pop" title="Permalink to this definition">¶</a></dt> <dd><p>Pop a section boundary. This boundary will no longer be interpreted as EOF.</p> </dd></dl> <dl class="py method"> <dt class="sig sig-object py" id="multifile.MultiFile.section_divider"> <span class="sig-prename descclassname"><span class="pre">MultiFile.</span></span><span class="sig-name descname"><span class="pre">section_divider</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">str</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#multifile.MultiFile.section_divider" title="Permalink to this definition">¶</a></dt> <dd><p>Turn a boundary into a section-divider line. By default, this method prepends <code class="docutils literal notranslate"><span class="pre">'--'</span></code> (which MIME section boundaries have) but it is declared so it can be overridden in derived classes. This method need not append LF or CR-LF, as comparison with the result ignores trailing whitespace.</p> </dd></dl> <dl class="py method"> <dt class="sig sig-object py" id="multifile.MultiFile.end_marker"> <span class="sig-prename descclassname"><span class="pre">MultiFile.</span></span><span class="sig-name descname"><span class="pre">end_marker</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">str</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#multifile.MultiFile.end_marker" title="Permalink to this definition">¶</a></dt> <dd><p>Turn a boundary string into an end-marker line. By default, this method prepends <code class="docutils literal notranslate"><span class="pre">'--'</span></code> and appends <code class="docutils literal notranslate"><span class="pre">'--'</span></code> (like a MIME-multipart end-of-message marker) but it is declared so it can be overridden in derived classes. This method need not append LF or CR-LF, as comparison with the result ignores trailing whitespace.</p> </dd></dl> <p>Finally, <a class="reference internal" href="#multifile.MultiFile" title="multifile.MultiFile"><code class="xref py py-class docutils literal notranslate"><span class="pre">MultiFile</span></code></a> instances have two public instance variables:</p> <dl class="py attribute"> <dt class="sig sig-object py" id="multifile.MultiFile.level"> <span class="sig-prename descclassname"><span class="pre">MultiFile.</span></span><span class="sig-name descname"><span class="pre">level</span></span><a class="headerlink" href="#multifile.MultiFile.level" title="Permalink to this definition">¶</a></dt> <dd><p>Nesting depth of the current part.</p> </dd></dl> <dl class="py attribute"> <dt class="sig sig-object py" id="multifile.MultiFile.last"> <span class="sig-prename descclassname"><span class="pre">MultiFile.</span></span><span class="sig-name descname"><span class="pre">last</span></span><a class="headerlink" href="#multifile.MultiFile.last" title="Permalink to this definition">¶</a></dt> <dd><p>True if the last end-of-file was for an end-of-message marker.</p> </dd></dl> </section> <section id="multifile-example"> <span id="id2"></span><h2><span class="section-number">18.10.2. </span><a class="reference internal" href="#multifile.MultiFile" title="multifile.MultiFile"><code class="xref py py-class docutils literal notranslate"><span class="pre">MultiFile</span></code></a> Example<a class="headerlink" href="#multifile-example" title="Permalink to this headline">¶</a></h2> <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="kn">import</span> <span class="nn">mimetools</span> <span class="kn">import</span> <span class="nn">multifile</span> <span class="kn">import</span> <span class="nn">StringIO</span> <span class="k">def</span> <span class="nf">extract_mime_part_matching</span><span class="p">(</span><span class="n">stream</span><span class="p">,</span> <span class="n">mimetype</span><span class="p">):</span> <span class="sd">"""Return the first element in a multipart MIME message on stream</span> <span class="sd"> matching mimetype."""</span> <span class="n">msg</span> <span class="o">=</span> <span class="n">mimetools</span><span class="o">.</span><span class="n">Message</span><span class="p">(</span><span class="n">stream</span><span class="p">)</span> <span class="n">msgtype</span> <span class="o">=</span> <span class="n">msg</span><span class="o">.</span><span class="n">gettype</span><span class="p">()</span> <span class="n">params</span> <span class="o">=</span> <span class="n">msg</span><span class="o">.</span><span class="n">getplist</span><span class="p">()</span> <span class="n">data</span> <span class="o">=</span> <span class="n">StringIO</span><span class="o">.</span><span class="n">StringIO</span><span class="p">()</span> <span class="k">if</span> <span class="n">msgtype</span><span class="p">[:</span><span class="mi">10</span><span class="p">]</span> <span class="o">==</span> <span class="s2">"multipart/"</span><span class="p">:</span> <span class="n">file</span> <span class="o">=</span> <span class="n">multifile</span><span class="o">.</span><span class="n">MultiFile</span><span class="p">(</span><span class="n">stream</span><span class="p">)</span> <span class="n">file</span><span class="o">.</span><span class="n">push</span><span class="p">(</span><span class="n">msg</span><span class="o">.</span><span class="n">getparam</span><span class="p">(</span><span class="s2">"boundary"</span><span class="p">))</span> <span class="k">while</span> <span class="n">file</span><span class="o">.</span><span class="n">next</span><span class="p">():</span> <span class="n">submsg</span> <span class="o">=</span> <span class="n">mimetools</span><span class="o">.</span><span class="n">Message</span><span class="p">(</span><span class="n">file</span><span class="p">)</span> <span class="k">try</span><span class="p">:</span> <span class="n">data</span> <span class="o">=</span> <span class="n">StringIO</span><span class="o">.</span><span class="n">StringIO</span><span class="p">()</span> <span class="n">mimetools</span><span class="o">.</span><span class="n">decode</span><span class="p">(</span><span class="n">file</span><span class="p">,</span> <span class="n">data</span><span class="p">,</span> <span class="n">submsg</span><span class="o">.</span><span class="n">getencoding</span><span class="p">())</span> <span class="k">except</span> <span class="ne">ValueError</span><span class="p">:</span> <span class="k">continue</span> <span class="k">if</span> <span class="n">submsg</span><span class="o">.</span><span class="n">gettype</span><span class="p">()</span> <span class="o">==</span> <span class="n">mimetype</span><span class="p">:</span> <span class="k">break</span> <span class="n">file</span><span class="o">.</span><span class="n">pop</span><span class="p">()</span> <span class="k">return</span> <span class="n">data</span><span class="o">.</span><span class="n">getvalue</span><span class="p">()</span> </pre></div> </div> </section> </section> <div class="clearer"></div> </div> </div> </div> <div class="sphinxsidebar" role="navigation" aria-label="main navigation"> <div class="sphinxsidebarwrapper"> <h3><a href="../contents.html">Table of Contents</a></h3> <ul> <li><a class="reference internal" href="#">18.10. <code class="xref py py-mod docutils literal notranslate"><span class="pre">multifile</span></code> — Support for files containing distinct parts</a><ul> <li><a class="reference internal" href="#multifile-objects">18.10.1. MultiFile Objects</a></li> <li><a class="reference internal" href="#multifile-example">18.10.2. <code class="xref py py-class docutils literal notranslate"><span class="pre">MultiFile</span></code> Example</a></li> </ul> </li> </ul> <h4>Previous topic</h4> <p class="topless"><a href="mimify.html" title="previous chapter"><span class="section-number">18.9. </span><code class="xref py py-mod docutils literal notranslate"><span class="pre">mimify</span></code> — MIME processing of mail messages</a></p> <h4>Next topic</h4> <p class="topless"><a href="rfc822.html" title="next chapter"><span class="section-number">18.11. </span><code class="xref py py-mod docutils literal notranslate"><span class="pre">rfc822</span></code> — Parse RFC 2822 mail headers</a></p> <div role="note" aria-label="source link"> <h3>This Page</h3> <ul class="this-page-menu"> <li><a href="../_sources/library/multifile.rst.txt" rel="nofollow">Show Source</a></li> </ul> </div> <div id="searchbox" style="display: none" role="search"> <h3 id="searchlabel">Quick search</h3> <div class="searchformwrapper"> <form class="search" action="../search.html" method="get"> <input type="text" name="q" aria-labelledby="searchlabel" autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false"/> <input type="submit" value="Go" /> </form> </div> </div> <script>$('#searchbox').show(0);</script> </div> </div> <div class="clearer"></div> </div> <div class="related" role="navigation" aria-label="related navigation"> <h3>Navigation</h3> <ul> <li class="right" style="margin-right: 10px"> <a href="../genindex.html" title="General Index" >index</a></li> <li class="right" > <a href="../py-modindex.html" title="Python Module Index" >modules</a> |</li> <li class="right" > <a href="rfc822.html" title="18.11. rfc822 — Parse RFC 2822 mail headers" >next</a> |</li> <li class="right" > <a href="mimify.html" title="18.9. mimify — MIME processing of mail messages" >previous</a> |</li> <li><img src="../_static/py.png" alt="" style="vertical-align: middle; margin-top: -1px"/></li> <li><a href="https://www.python.org/">Python</a> »</li> <li> <a href="../index.html">Python 2.7.18 documentation</a> » </li> <li class="nav-item nav-item-1"><a href="index.html" >The Python Standard Library</a> »</li> <li class="nav-item nav-item-2"><a href="netdata.html" ><span class="section-number">18. </span>Internet Data Handling</a> »</li> <li class="nav-item nav-item-this"><a href=""><span class="section-number">18.10. </span><code class="xref py py-mod docutils literal notranslate"><span class="pre">multifile</span></code> — Support for files containing distinct parts</a></li> </ul> </div> <div class="footer"> © <a href="../copyright.html">Copyright</a> 1990-2024, Python Software Foundation. <br /> The Python Software Foundation is a non-profit corporation. <a href="https://www.python.org/psf/donations/">Please donate.</a> <br /> Last updated on December 09, 2024. <a href="../bugs.html">Found a bug</a>? <br /> Created using <a href="http://sphinx.pocoo.org/">Sphinx</a> 4.3.2. </div> </body> </html>
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