E1ΞE# d Z ddlZddlZddlZddlZddlZddlZ ddlZdZn
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de Z G d de Z G d de Z G d de Z G d de ZdZdZh dZg dZ dd d Z d Z ej d g d Z ej d!g d" Z!d# Z d$ Z"dWd%Z#dWd&Z$dXd'Z%erd( Z& G d) d* Z'er# G d+ d,e' Z(e) d, ed-k r,ddl*Z* e*j+ d./ Z,e,- d0d1d2d34 e,- d5d6d7d84 e,- d9d:d;e.d? e,- d@dAdBe.dC? e,- dDdEdFddGH e,/ Z0e0j1 Z1e0j se1d;k reZ1 e'e0j2 e1I Z3ne1d;k reZ1 e(e0j2 e1I Z3e34 Z5dJe5v re36 e37 e0j7 \ Z8Z9Z:Z;Z< e=dKe e? e.e; e0j@ z
dPz Z:e3A e:e; \ Z8ZBeBD ]\ ZCZD e eDdQ E dRdP d ZF e eDdS ZG e.eDd ZH e=dTI eC e>eFdU e>eGdV eH e3J dS dS )Ya An NNTP client class based on:
- RFC 977: Network News Transfer Protocol
- RFC 2980: Common NNTP Extensions
- RFC 3977: Network News Transfer Protocol (version 2)
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', '{0}-{1}'.format(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, 'rb') # 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.
NTF)
decode_header)_GLOBAL_DEFAULT_TIMEOUT)NNTP NNTPErrorNNTPReplyErrorNNTPTemporaryErrorNNTPPermanentErrorNNTPProtocolError
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}t j |||||| S ) zParse a pair of (date, time) strings, and return a datetime object.
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* if legacy is False (the default):
date has the YYYYMMDD format and time the HHMMSS format
* if legacy is True:
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000000z({0.hour:02d}{0.minute:02d}{0.second:02d}rw z {0:02d}{1.month:02d}{1.day:02d}z {0:04d}{1.month:02d}{1.day:02d})rG rx formatr~ )dtlegacyrz yry s r _unparse_datetimer s b(+ , , I=DDRHH
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- user: username to authenticate with
- password: password to use with username
- readermode: if true, send 'mode reader' command after
connecting.
- usenetrc: allow loading username and password from ~/.netrc file
if not specified explicitly
- timeout: timeout (in seconds) used for socket connections
readermode is sometimes necessary if you are connecting to an
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if it 201, posting is not allowed.z *welcome*)r printreprr r s r
getwelcomezNNTP.getwelcome s- >A5d4<.@.@AAA|r c ` | j d| _ d| _ | \ }}|| _ d|v r-t t t |d | _ d|v r d |d | _ n # t t f$ r
i | _ Y nw xY w| j S )zGet the server capabilities, as read by __init__().
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zs B B&%B&c || _ dS )zSet the debugging level. Argument 'level' means:
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2: also print raw lines read and sent before stripping CR/LFN)r )r levels r set_debuglevelzNNTP.set_debuglevel s r c t j d| | |t z }| j dk r t dt | | j | | j dS )zfInternal: send one line to the server, appending CRLF.
The `line` must be a bytes-like object.znntplib.putlinerQ z*put*N) r r _CRLFr r r r writeflushr rY s r _putlinez
NNTP._putline sp #T4000e| >A uWd4jj 9 9 9 r c | j r t dt | | | j | j }| | dS )zkInternal: send one command to the server (through _putline()).
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line too longz*get*ru N)
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strip_crlfrY s r _getlinez
NNTP._getline s y!!(A+.. t99x 00 0 >A '4:: & & ^ !BCCyE!!CRCybcce##CRCy r c D | }| j r t dt | | | j | j }|dd }|dk rt | |dk rt | |dvrt | |S )zInternal: get a response from the server.
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NNTP._getresp s }} >654::666{{4=$+66 !H 88$T** * 88$T** * E>>#D)) ) r c d} t |t t f rt |d x}}| }|dd t
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|dd }| | P|r| n # |r| w w xY w||fS ) aP Internal: get a response plus following text from the server.
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string and `lines` is a list of bytes objects.
If `file` is a file-like object, it must be open in binary mode.
Nwbr .s .
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T}} r c V | | | | S )zoInternal: send a command and get the response plus following text.
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NNTP._longcmd! s*
T &&&r c ~ | | \ }}| fd|D fS )zInternal: send a command and get the response plus following text.
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dd }Y nw xY w|| _ |S )zqInternal: get the overview format. Queries the server if not
already done, else returns the cached value.zLIST OVERVIEW.FMTN)_cachedoverviewfmtAttributeErrorr r^ r rV )r r r9 rX s r _getoverviewfmtzNNTP._getoverviewfmt1 s * * D - --.ABBKD%
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A A A c d |D S )Nc D g | ] }t | S r )r; ra )r rY s r r z#NNTP._grouplist..D s% ;;;T 4::<<(;;;r r )r r9 s r
_grouplistzNNTP._grouplistB s ;;U;;;;r c ~ i }| d \ }}|D ] }| ^}}|||< ||fS )a! Process a CAPABILITIES command. Not supported by all servers.
Return:
- resp: server response if successful
- caps: a dictionary mapping capability names to lists of tokens
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CAPABILITIES)r ra )r r r r9 rY rZ rj s r r zNNTP.capabilitiesF sU )).99 e D JJLLMD6 DJJTzr )r c j t |t j t j f s,t d |j j t || j dk \ }}d || }| || \ }}||
| fS )zProcess a NEWGROUPS command. Arguments:
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Athe date parameter must be a date or datetime object, not '{:40}'rr zNEWGROUPS {0} {1}) rG rx r4 TypeErrorr __class__r r r r r )r r4 r ry rz cmdr r9 s r newgroupszNNTP.newgroupsT s $
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? /tT5F5J K K(!((8<<))#t44 eT__U++++r c 8 t |t j t j f s,t d |j j t || j dk \ }}d ||| }| || S )zProcess a NEWNEWS command. Arguments:
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- list: list of message ids
r rr zNEWNEWS {0} {1} {2})
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Nz LIST ACTIVE LIST)r r )r
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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.Fr )r r< s r descriptionzNNTP.description s $$UE222r c . | |d S )z'Get descriptions for a range of groups.Tr! )r r s r descriptionszNNTP.descriptions s $$]D999r c | d|z }| d st | | }dx}x}}t | }|dk rD|d }|dk r6|d }|dk r(|d }|dk r|d }|t
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| |fS )a Process a GROUP command. Argument:
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- count: number of articles
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- last: last article number
- name: the group name
zGROUP r( r rQ rr r rs )r rd r ra rW rS rb )r rZ r wordscountr> r= ns r r< z
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JJ q55!HE1uu aq55 8D1uu $Qx~~ / /SZZUSYY< )==!2!2 r r4 r r s r headz NNTP.head 8 # ##L11CCC||C&&&r c b |d | }nd}| || S )a+ Process a BODY command. Argument:
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NzBODY {0}BODYrA rB s r bodyz NNTP.body rD r c b |d | }nd}| || S )a5 Process an ARTICLE command. Argument:
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Nz ARTICLE {0}ARTICLErA rB s r articlez NNTP.article s8 # &&|44CCC||C&&&r c , | d S )zYProcess a SLAVE command. Returns:
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SLAVE)r r s r slavez
NNTP.slave$ s ~~g&&&r c t j d | d || | \ }}fd|fd|D fS )ai Process an XHDR command (optional server extension). Arguments:
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- list: list of (nr, value) strings
z^([0-9]+) ?(.*)
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zz&$'''r c T | d | | S )a Process an IHAVE command. Arguments:
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NNTP.ihave s& zz+,,Z88$???r c | j r| j | ` | j d S # | j w xY wr )r r r r s r r z NNTP._close sX y
!!!I IOO DIOO s "? Ac | d }| n# | w xY w|S )zdProcess a QUIT command and close the socket. Returns:
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