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defd��YZeZeZ
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ZeZdZdddddddddg	Zd Zdfd!��YZed"kr%ddlZd#oUejd$Zejd%�dkrvd&ZneZeed&e�Zejd'�\ZZZ Z!Z"eGHd(Ge"Gd)GeGd*Ge Gd+Ge!GHej#d,e d-e!�\ZZ$eGHxe$D]Z%d.e%GHq�Wej&�ZeGHndS(/sHAn NNTP client class based on RFC 977: Network News Transfer Protocol.

Example:

>>> from nntplib import NNTP
>>> s = NNTP('news')
>>> resp, count, first, last, name = s.group('comp.lang.python')
>>> print 'Group', name, 'has', count, 'articles, range', first, 'to', last
Group comp.lang.python has 51 articles, range 5770 to 5821
>>> resp, subs = s.xhdr('subject', first + '-' + last)
>>> resp = s.quit()
>>>

Here 'resp' is the server response line.
Error responses are turned into exceptions.

To post an article from a file:
>>> f = open(filename, 'r') # file containing article, including header
>>> resp = s.post(f)
>>>

For descriptions of all methods, read the comments in the code below.
Note that all arguments and return values representing article numbers
are strings, not numbers, since they are rarely used for calculations.
i����NtNNTPtNNTPReplyErrortNNTPTemporaryErrortNNTPPermanentErrortNNTPProtocolErrort
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        - user: username to authenticate with
        - password: password to use with username
        - readermode: if true, send 'mode reader' command after
                      connecting.

readermode is sometimes necessary if you are connecting to an
        NNTP server on the local machine and intend to call
        reader-specific commands, such as `group'.  If you get
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        trbismode readerit480ii����Nisauthinfo user t381sauthinfo pass t281(thosttporttsockettcreate_connectiontsocktmakefiletfilet	debuggingtgetresptwelcometshortcmdRRRtnetrctauthenticatorstIOErrorR(
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cCs%|jrdGt|j�GHn|jS(s�Get the welcome message from the server
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