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bc@s)dZddlZddlZddddddd	d
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defd��YZeZeZ
e	Ze
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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4xx errors(RRR(((s,/opt/alt/python27/lib64/python2.7/nntplib.pyR=scBseZdZRS(s
5xx errors(RRR(((s,/opt/alt/python27/lib64/python2.7/nntplib.pyRAscBseZdZRS(s"Response does not begin with [1-5](RRR(((s,/opt/alt/python27/lib64/python2.7/nntplib.pyREscBseZdZRS(sError in response data(RRR(((s,/opt/alt/python27/lib64/python2.7/nntplib.pyRIsiwt100t215t220t221t222t224t230t231t282s
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d�|_	Wq�tk
r�q�Xq�ndS(smInitialize an instance.  Arguments:
        - host: hostname to connect to
        - port: port to connect to (default the standard NNTP port)
        - 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
        unexpected NNTPPermanentErrors, you might need to set
        readermode.
        trbismode readerit480ii����Nisauthinfo user t381sauthinfo pass t281(thosttporttsockettcreate_connectiontsocktmakefiletfilet	debuggingtgetresptwelcometshortcmdRRRtnetrctauthenticatorstIOErrorR(
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esP			
	





cCs%|jrdGt|j�GHn|jS(s�Get the welcome message from the server
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cCs�|j�}|jr'dGt|�GHn|d }|dkrLt|��n|dkrgt|��n|dkr�t|��n|S(sjInternal: get a response from the server.
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cCs�d}z�t|t�r.t|d�}}n|j�}|d tkrYt|��ng}xd|j�}|dkr~Pn|d dkr�|d}n|r�|j|d�qb|j	|�qbWWd|r�|j
�nX||fS(	s~Internal: get a response plus following text from the server.
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cCs|j|�|j�S(s.Internal: send a command and get the response.(RAR*(RR?((s,/opt/alt/python27/lib64/python2.7/nntplib.pyR,	s
cCs|j|�|j|�S(sBInternal: send a command and get the response plus following text.(RARW(RR?R(((s,/opt/alt/python27/lib64/python2.7/nntplib.pytlongcmds
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        code is needed, use the 'descriptions' method.

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cCs�tjd�}|jd|�\}}|d dkrT|jd|�\}}ng}xE|D]=}|j|j��}|ra|j|jdd��qaqaW||fS(s'Get descriptions for a range of groups.s^(?P<group>[^ 	]+)[ 	]+(.*)$sLIST NEWSGROUPS iRsXGTITLE ii(tretcompileRXtsearchtstripRSR](Rt
group_patterntline_patR8t	raw_linesRgtraw_linetmatch((s,/opt/alt/python27/lib64/python2.7/nntplib.pyRfGs
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        - name: the group namesGROUP it211iiii(R,RRcRDtlower(RtnameR8twordstcounttfirsttlasttn((s,/opt/alt/python27/lib64/python2.7/nntplib.pyR]Xs



cCs|jd|�S(soProcess a HELP command.  Returns:
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        - list: list of stringstHELP(RX(RR(((s,/opt/alt/python27/lib64/python2.7/nntplib.pythelprscCs�|d dkrt|��n|j�}d}d}t|�}|dkru|d}|dkru|d}qun|||fS(s=Internal: parse the response of a STAT, NEXT or LAST command.it22iRei(RRcRD(RR8RutnrtidRy((s,/opt/alt/python27/lib64/python2.7/nntplib.pyt	statparseys
cCs|j|�}|j|�S(s/Internal: process a STAT, NEXT or LAST command.(R,R(RR?R8((s,/opt/alt/python27/lib64/python2.7/nntplib.pytstatcmd�scCs|jd|�S(s�Process a STAT command.  Argument:
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|jd�S(s;Process a NEXT command.  No arguments.  Return as for STAT.tNEXT(R�(R((s,/opt/alt/python27/lib64/python2.7/nntplib.pytnext�scCs
|jd�S(s;Process a LAST command.  No arguments.  Return as for STAT.tLAST(R�(R((s,/opt/alt/python27/lib64/python2.7/nntplib.pyRx�scCs@|j||�\}}|j|�\}}}||||fS(s2Internal: process a HEAD, BODY or ARTICLE command.(RXR(RR?R(R8RVR}R~((s,/opt/alt/python27/lib64/python2.7/nntplib.pytartcmd�scCs|jd|�S(s�Process a HEAD command.  Argument:
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        - id: article number or message id
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        - resp: server response if successful
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        - id: message id
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|jd�S(sPProcess a SLAVE command.  Returns:
        - resp: server response if successfultSLAVE(R,(R((s,/opt/alt/python27/lib64/python2.7/nntplib.pytslave�sc
Cs�tjd�}|jd|d||�\}}xRtt|��D]>}||}|j|�}	|	rF|	jdd�||<qFqFW||fS(sProcess an XHDR command (optional server extension).  Arguments:
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        - resp: server response if successful
        - list: list of (nr, value) stringss^([0-9]+) ?(.*)
?sXHDR RYii(RiRjRXRaRDRqR](
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r�t|��q1Xq1W||fS(s(Process an XOVER command (optional server extension) Arguments:
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                         id, references, size, lines)sXOVER t-s	iiiiiiii(RXRcRSRR(	RtstarttendR(R8Rgtxover_linesR?telem((s,/opt/alt/python27/lib64/python2.7/nntplib.pytxover�s 	$



c	Cs�tjd�}|jd||�\}}g}xE|D]=}|j|j��}|r8|j|jdd��q8q8W||fS(s�Process an XGTITLE command (optional server extension) Arguments:
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cCs�|jd|�}|ddkr2t|��nxa|j�}|sKPn|ddkrh|d }n|d dkr�d|}n|j|�q5W|jd�|j�S(sProcess an IHAVE command.  Arguments:
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cCs9|jd�}|jj�|jj�|`|`|S(sdProcess a QUIT command and close the socket.  Returns:
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N()RRt	NNTP_PORTRMtTrueR
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