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� z fc @ s) d Z d d l Z d d l Z d d d d d d d d d d d g Z d Z d e f d � � YZ d e f d � � YZ d e f d � � YZ d e f d � � YZ d e f d � � YZ d e f d � � YZ e Z e Z e Z e Z e Z d Z d d d d d d d d d g Z d Z d f d! � � YZ e d" k r%d d l Z d# oUe j d$ Z e j d% � d k rvd& Z n e Z e e d& e �Z e j d' � \ Z Z Z Z! Z" e GHd( Ge" Gd) Ge Gd* Ge Gd+ Ge! GHe j# d, e d- e! � \ Z Z$ e GHx e$ D] Z% d. e% GHq�We j& � Z e GHn d S(/ sH An 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����Nt NNTPt NNTPReplyErrort NNTPTemporaryErrort NNTPPermanentErrort NNTPProtocolErrort NNTPDataErrort error_replyt error_tempt error_permt error_protot error_datai t NNTPErrorc B s e Z d Z d � Z RS( s% Base class for all nntplib exceptionsc G sB t j | | � y | d | _ Wn t k r= d | _ n Xd S( Ni s No response given( t Exceptiont __init__t responset IndexError( t selft args( ( s /usr/lib64/python2.7/nntplib.pyR 2 s ( t __name__t __module__t __doc__R ( ( ( s /usr/lib64/python2.7/nntplib.pyR 0 s c B s e Z d Z RS( s Unexpected [123]xx reply( R R R ( ( ( s /usr/lib64/python2.7/nntplib.pyR 9 s c B s e Z d Z RS( s 4xx errors( R R R ( ( ( s /usr/lib64/python2.7/nntplib.pyR = s c B s e Z d Z RS( s 5xx errors( R R R ( ( ( s /usr/lib64/python2.7/nntplib.pyR A s c B s e Z d Z RS( s" Response does not begin with [1-5]( R R R ( ( ( s /usr/lib64/python2.7/nntplib.pyR E s c B s e Z d Z RS( s Error in response data( R R R ( ( ( s /usr/lib64/python2.7/nntplib.pyR I s iw t 100t 215t 220t 221t 222t 224t 230t 231t 282s c B sy e Z e d# d# d# e d � Z d � Z d � Z e Z d � Z d � Z d � Z d � Z d# d � Z d � Z d# d � Z d# d � Z d# d � Z d# d � Z d � Z d � Z d � Z d# d � Z d � Z d � Z d � Z d � Z d � Z d# d � Z d � Z d# d � Z d � Z d � Z d# d � Z! d# d � Z" d# d � Z# d � Z$ d � Z% d � Z& d! � Z' d" � Z( RS($ c C s� | | _ | | _ t j | | f � | _ | j j d � | _ d | _ | j � | _ d } | r� y | j d � | _ Wq� t k r� q� t k r� } | r� | j d d k r� d } q� � q� Xn yX | r | r d d l } | j � } | j | � } | r | d } | d } q n Wn t k r2n X| r�| j d | � } | d d k r�| sqt | � � q�| j d | � } | d d k r�t | � � q�n | r�y | j d � | _ Wq�t k r�q�Xq�n d S( sm Initialize 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. t rbi s mode readeri t 480i i����Ni s authinfo user t 381s authinfo pass t 281( t hostt portt sockett create_connectiont sockt makefilet filet debuggingt getrespt welcomet shortcmdR R R t netrct authenticatorst IOErrorR ( R R" R# t usert passwordt readermodet usenetrct readermode_afterautht eR- t credentialst autht resp( ( s /usr/lib64/python2.7/nntplib.pyR e sP c C s% | j r d Gt | j � GHn | j S( s� Get the welcome message from the server (this is read and squirreled away by __init__()). If the response code is 200, posting is allowed; if it 201, posting is not allowed.s *welcome*( R) t reprR+ ( R ( ( s /usr/lib64/python2.7/nntplib.pyt getwelcome� s c C s | | _ d S( s� Set the debugging level. Argument 'level' means: 0: no debugging output (default) 1: print commands and responses but not body text etc. 2: also print raw lines read and sent before stripping CR/LFN( R) ( R t level( ( s /usr/lib64/python2.7/nntplib.pyt set_debuglevel� s c C s? | t } | j d k r+ d Gt | � GHn | j j | � d S( s6 Internal: send one line to the server, appending CRLF.i s *put*N( t CRLFR) R9 R& t sendall( R t line( ( s /usr/lib64/python2.7/nntplib.pyt putline� s c C s, | j r d Gt | � GHn | j | � d S( s= Internal: send one command to the server (through putline()).s *cmd*N( R) R9 R@ ( R R? ( ( s /usr/lib64/python2.7/nntplib.pyt putcmd� s c C s� | j j t d � } t | � t k r7 t d � � n | j d k rX d Gt | � GHn | sg t � n | d t k r� | d } n | d t k r� | d } n | S( sn Internal: return one line from the server, stripping CRLF. Raise EOFError if the connection is closed.i s line too longs *get*i����i����( R( t readlinet _MAXLINEt lenR R) R9 t EOFErrorR= ( R R? ( ( s /usr/lib64/python2.7/nntplib.pyt getline� s c C s� | j � } | j r' d Gt | � GHn | d } | d k rL t | � � n | d k rg t | � � n | d k r� t | � � n | S( sj Internal: get a response from the server. Raise various errors if the response indicates an error.s *resp*i t 4t 5t 123( RF R) R9 R R R ( R R8 t c( ( s /usr/lib64/python2.7/nntplib.pyR* � s c C s� d } z� t | t � r. t | d � } } n | j � } | d t k rY t | � � n g } xd | j � } | d k r~ Pn | d d k r� | d } n | r� | j | d � qb | j | � qb WWd | r� | j � n X| | f S( s~ Internal: get a response plus following text from the server. Raise various errors if the response indicates an error.t wi t .i s ..i s N( t Nonet isinstancet strt openR* t LONGRESPR RF t writet appendt close( R R( t openedFileR8 t listR? ( ( s /usr/lib64/python2.7/nntplib.pyt getlongresp� s( c C s | j | � | j � S( s. Internal: send a command and get the response.( RA R* ( R R? ( ( s /usr/lib64/python2.7/nntplib.pyR, s c C s | j | � | j | � S( sB Internal: send a command and get the response plus following text.( RA RW ( R R? R( ( ( s /usr/lib64/python2.7/nntplib.pyt longcmd s c C s | j d | d | | � S( s� Process a NEWGROUPS command. Arguments: - date: string 'yymmdd' indicating the date - time: string 'hhmmss' indicating the time Return: - resp: server response if successful - list: list of newsgroup namess NEWGROUPS t ( RX ( R t datet timeR( ( ( s /usr/lib64/python2.7/nntplib.pyt newgroups s c C s* d | d | d | } | j | | � S( s Process a NEWNEWS command. Arguments: - group: group name or '*' - date: string 'yymmdd' indicating the date - time: string 'hhmmss' indicating the time Return: - resp: server response if successful - list: list of message idss NEWNEWS RY ( RX ( R t groupRZ R[ R( t cmd( ( s /usr/lib64/python2.7/nntplib.pyt newnews s c C sY | j d | � \ } } x4 t t | � � D] } t | | j � � | | <q+ W| | f S( s� Process a LIST command. Return: - resp: server response if successful - list: list of (group, last, first, flag) (strings)t LIST( RX t rangeRD t tuplet split( R R( R8 RV t i( ( s /usr/lib64/python2.7/nntplib.pyRV ) s c C s; | j | � \ } } t | � d k r+ d S| d d Sd S( s� Get a description for a single group. If more than one group matches ('group' is a pattern), return the first. If no group matches, return an empty string. This elides the response code from the server, since it can only be '215' or '285' (for xgtitle) anyway. If the response code is needed, use the 'descriptions' method. NOTE: This neither checks for a wildcard in 'group' nor does it check whether the group actually exists.i t i N( t descriptionsRD ( R R] R8 t lines( ( s /usr/lib64/python2.7/nntplib.pyt description4 s c C s� t j d � } | j d | � \ } } | d d k rT | j d | � \ } } n g } xE | D]= } | j | j � � } | ra | j | j d d � � qa qa W| | f S( s' Get descriptions for a range of groups.s ^(?P<group>[^ ]+)[ ]+(.*)$s LIST NEWSGROUPS i R s XGTITLE i i ( t ret compileRX t searcht stripRS R] ( R t group_patternt line_patR8 t raw_linesRg t raw_linet match( ( s /usr/lib64/python2.7/nntplib.pyRf G s c C s� | j d | � } | d d k r2 t | � � n | j � } d } } } t | � } | d k r� | d } | d k r� | d } | d k r� | d } | d k r� | d j � } q� q� q� n | | | | | f S( s* Process a GROUP command. Argument: - group: the group name Returns: - resp: server response if successful - count: number of articles (string) - first: first article number (string) - last: last article number (string) - name: the group names GROUP i t 211i i i i ( R, R Rc RD t lower( R t nameR8 t wordst countt firstt lastt n( ( s /usr/lib64/python2.7/nntplib.pyR] X s c C s | j d | � S( so Process a HELP command. Returns: - resp: server response if successful - list: list of stringst HELP( RX ( R R( ( ( s /usr/lib64/python2.7/nntplib.pyt helpr s c C s� | d d k r t | � � n | j � } d } d } t | � } | d k ru | d } | d k ru | d } qu n | | | f S( s= Internal: parse the response of a STAT, NEXT or LAST command.i t 22i Re i ( R Rc RD ( R R8 Ru t nrt idRy ( ( s /usr/lib64/python2.7/nntplib.pyt statparsey s c C s | j | � } | j | � S( s/ Internal: process a STAT, NEXT or LAST command.( R, R ( R R? R8 ( ( s /usr/lib64/python2.7/nntplib.pyt statcmd� s c C s | j d | � S( s� Process a STAT command. Argument: - id: article number or message id Returns: - resp: server response if successful - nr: the article number - id: the message ids STAT ( R� ( R R~ ( ( s /usr/lib64/python2.7/nntplib.pyt stat� s c C s | j d � S( s; Process a NEXT command. No arguments. Return as for STAT.t NEXT( R� ( R ( ( s /usr/lib64/python2.7/nntplib.pyt next� s c C s | j d � S( s; Process a LAST command. No arguments. Return as for STAT.t LAST( R� ( R ( ( s /usr/lib64/python2.7/nntplib.pyRx � s c C s@ | j | | � \ } } | j | � \ } } } | | | | f S( s2 Internal: process a HEAD, BODY or ARTICLE command.( RX R ( R R? R( R8 RV R} R~ ( ( s /usr/lib64/python2.7/nntplib.pyt artcmd� s c C s | j d | � S( s� Process a HEAD command. Argument: - id: article number or message id Returns: - resp: server response if successful - nr: article number - id: message id - list: the lines of the article's headers HEAD ( R� ( R R~ ( ( s /usr/lib64/python2.7/nntplib.pyt head� s c C s | j d | | � S( sk Process a BODY command. Argument: - id: article number or message id - file: Filename string or file object to store the article in Returns: - resp: server response if successful - nr: article number - id: message id - list: the lines of the article's body or an empty list if file was useds BODY ( R� ( R R~ R( ( ( s /usr/lib64/python2.7/nntplib.pyt body� s c C s | j d | � S( s� Process an ARTICLE command. Argument: - id: article number or message id Returns: - resp: server response if successful - nr: article number - id: message id - list: the lines of the articles ARTICLE ( R� ( R R~ ( ( s /usr/lib64/python2.7/nntplib.pyt article� s c C s | j d � S( sP Process a SLAVE command. Returns: - resp: server response if successfult SLAVE( R, ( R ( ( s /usr/lib64/python2.7/nntplib.pyt slave� s c C s� t j d � } | j d | d | | � \ } } xR t t | � � D]> } | | } | j | � } | rF | j d d � | | <qF qF W| | f S( s Process an XHDR command (optional server extension). Arguments: - hdr: the header type (e.g. 'subject') - str: an article nr, a message id, or a range nr1-nr2 Returns: - resp: server response if successful - list: list of (nr, value) stringss ^([0-9]+) ?(.*) ?s XHDR RY i i ( Ri Rj RX Ra RD Rq R] ( R t hdrRO R( t patR8 Rg Rd R? t m( ( s /usr/lib64/python2.7/nntplib.pyt xhdr� s $ c C s� | j d | d | | � \ } } g } x� | D]� } | j d � } yO | j | d | d | d | d | d | d j � | d | d f � Wq1 t k r� t | � � q1 Xq1 W| | f S( s( Process an XOVER command (optional server extension) Arguments: - start: start of range - end: end of range Returns: - resp: server response if successful - list: list of (art-nr, subject, poster, date, id, references, size, lines)s XOVER t -s i i i i i i i i ( RX Rc RS R R ( R t startt endR( R8 Rg t xover_linesR? t elem( ( s /usr/lib64/python2.7/nntplib.pyt xover� s $ c C s� t j d � } | j d | | � \ } } g } xE | D]= } | j | j � � } | r8 | j | j d d � � q8 q8 W| | f S( s� Process an XGTITLE command (optional server extension) Arguments: - group: group name wildcard (i.e. news.*) Returns: - resp: server response if successful - list: list of (name,title) stringss ^([^ ]+)[ ]+(.*)$s XGTITLE i i ( Ri Rj RX Rk Rl RS R] ( R R] R( Rn R8 Ro Rg Rp Rq ( ( s /usr/lib64/python2.7/nntplib.pyt xgtitle� s c C sv | j d | � } | d d k r2 t | � � n y | j � \ } } Wn t k rg t | � � n X| | f Sd S( s� Process an XPATH command (optional server extension) Arguments: - id: Message id of article Returns: resp: server response if successful path: directory path to articles XPATH i t 223N( R, R Rc t ValueError( R R~ R8 t resp_numt path( ( s /usr/lib64/python2.7/nntplib.pyt xpath s c C s� | j d � } | d d k r. t | � � n | j � } t | � d k r[ t | � � n | d d d !} | d d } t | � d k s� t | � d k r� t | � � n | | | f S( s� Process the DATE command. Arguments: None Returns: resp: server response if successful date: Date suitable for newnews/newgroups commands etc. time: Time suitable for newnews/newgroups commands etc.t DATEi t 111i i i i����i ( R, R Rc RD R ( R R8 R� RZ R[ ( ( s /usr/lib64/python2.7/nntplib.pyRZ s $c C s� | j d � } | d d k r. t | � � n xa | j � } | sG Pn | d d k rd | d } n | d d k r� d | } n | j | � q1 W| j d � | j � S( s� Process a POST command. Arguments: - f: file containing the article Returns: - resp: server response if successfult POSTi t 3i����s i RL ( R, R RB R@ R* ( R t fR8 R? ( ( s /usr/lib64/python2.7/nntplib.pyt post. s c C s� | j d | � } | d d k r2 t | � � n xa | j � } | sK Pn | d d k rh | d } n | d d k r� d | } n | j | � q5 W| j d � | j � S( s Process an IHAVE command. Arguments: - id: message-id of the article - f: file containing the article Returns: - resp: server response if successful Note that if the server refuses the article an exception is raised.s IHAVE i R� i����s i RL ( R, R RB R@ R* ( R R~ R� R8 R? ( ( s /usr/lib64/python2.7/nntplib.pyt ihaveD s c C s9 | j d � } | j j � | j j � | ` | ` | S( sd Process a QUIT command and close the socket. Returns: - resp: server response if successfult QUIT( R, R( RT R& ( R R8 ( ( s /usr/lib64/python2.7/nntplib.pyt quit\ s N() R R t NNTP_PORTRM t TrueR R: R< t debugR@ RA RF R* RW R, RX R\ R_ RV Rh Rf R] R{ R R� R� R� Rx R� R� R� R� R� R� R� R� R� RZ R� R� R� ( ( ( s /usr/lib64/python2.7/nntplib.pyR d sJ L t __main__t newst NNTPSERVERRL R2 s comp.lang.pythont Groupt hass articles, ranget tot subjectR� s %7s %s(' R Ri R$ t __all__RC R R R R R R R R R R R R R� RQ R= R R t ost environt newshostt findt modeRM t sR] R8 Rv Rw Rx Rt R� t subst itemR� ( ( ( s /usr/lib64/python2.7/nntplib.pyt <module> sP !� � !