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- Several methods of nntplib.NNTP have grown an optional file argument 

which specifies a file where to divert the command's output
  (already supported by the body() method).  (SF patch #720468)
  Thanks to Terry Carroll.
This commit is contained in:
Guido van Rossum 2003-04-19 18:04:57 +00:00
parent 8d98d2cb95
commit a26854095b
4 changed files with 69 additions and 22 deletions
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58
Doc/lib/libnntplib.tex
View File

@ -132,23 +132,35 @@ logging each line sent and received on the connection (including
message text).
\end{methoddesc}
\begin{methoddesc}{newgroups}{date, time}
\begin{methoddesc}{newgroups}{date, time, \optional{file}}
Send a \samp{NEWGROUPS} command. The \var{date} argument should be a
string of the form \code{'\var{yy}\var{mm}\var{dd}'} indicating the
date, and \var{time} should be a string of the form
\code{'\var{hh}\var{mm}\var{ss}'} indicating the time. Return a pair
\code{(\var{response}, \var{groups})} where \var{groups} is a list of
group names that are new since the given date and time.
If the \var{file} parameter is supplied, then the output of the
\samp{NEWGROUPS} command is stored in a file. If \var{file} is a string,
then the method will open a file object with that name, write to it
then close it. If \var{file} is a file object, then it will start
calling \method{write()} on it to store the lines of the command output.
If \var{file} is supplied, then the returned \var{list} is an empty list.
\end{methoddesc}
\begin{methoddesc}{newnews}{group, date, time}
\begin{methoddesc}{newnews}{group, date, time, \optional{file}}
Send a \samp{NEWNEWS} command. Here, \var{group} is a group name or
\code{'*'}, and \var{date} and \var{time} have the same meaning as for
\method{newgroups()}. Return a pair \code{(\var{response},
\var{articles})} where \var{articles} is a list of article ids.
If the \var{file} parameter is supplied, then the output of the
\samp{NEWNEWS} command is stored in a file. If \var{file} is a string,
then the method will open a file object with that name, write to it
then close it. If \var{file} is a file object, then it will start
calling \method{write()} on it to store the lines of the command output.
If \var{file} is supplied, then the returned \var{list} is an empty list.
\end{methoddesc}
\begin{methoddesc}{list}{}
\begin{methoddesc}{list}{\optional{file}}
Send a \samp{LIST} command. Return a pair \code{(\var{response},
\var{list})} where \var{list} is a list of tuples. Each tuple has the
form \code{(\var{group}, \var{last}, \var{first}, \var{flag})}, where
@ -157,6 +169,12 @@ and first article numbers (as strings), and \var{flag} is
\code{'y'} if posting is allowed, \code{'n'} if not, and \code{'m'} if
the newsgroup is moderated. (Note the ordering: \var{last},
\var{first}.)
If the \var{file} parameter is supplied, then the output of the
\samp{LIST} command is stored in a file. If \var{file} is a string,
then the method will open a file object with that name, write to it
then close it. If \var{file} is a file object, then it will start
calling \method{write()} on it to store the lines of the command output.
If \var{file} is supplied, then the returned \var{list} is an empty list.
\end{methoddesc}
\begin{methoddesc}{group}{name}
@ -168,9 +186,15 @@ the group, \var{last} is the last article number in the group, and
\var{name} is the group name. The numbers are returned as strings.
\end{methoddesc}
\begin{methoddesc}{help}{}
\begin{methoddesc}{help}{\optional{file}}
Send a \samp{HELP} command. Return a pair \code{(\var{response},
\var{list})} where \var{list} is a list of help strings.
If the \var{file} parameter is supplied, then the output of the
\samp{HELP} command is stored in a file. If \var{file} is a string,
then the method will open a file object with that name, write to it
then close it. If \var{file} is a file object, then it will start
calling \method{write()} on it to store the lines of the command output.
If \var{file} is supplied, then the returned \var{list} is an empty list.
\end{methoddesc}
\begin{methoddesc}{stat}{id}
@ -205,7 +229,7 @@ the body is stored in a file. If \var{file} is a string, then
the method will open a file object with that name, write to it then close it.
If \var{file} is a file object, then it will start calling
\method{write()} on it to store the lines of the body.
Return as for \method{head()}. If \var{file} is supplied. Then
Return as for \method{head()}. If \var{file} is supplied, then
the returned \var{list} is an empty list.
\end{methoddesc}
@ -218,7 +242,7 @@ for \method{stat()}. Return as for \method{head()}.
Send a \samp{SLAVE} command. Return the server's \var{response}.
\end{methoddesc}
\begin{methoddesc}{xhdr}{header, string}
\begin{methoddesc}{xhdr}{header, string, \optional{file}}
Send an \samp{XHDR} command. This command is not defined in the RFC
but is a common extension. The \var{header} argument is a header
keyword, e.g. \code{'subject'}. The \var{string} argument should have
@ -228,6 +252,12 @@ pair \code{(\var{response}, \var{list})}, where \var{list} is a list of
pairs \code{(\var{id}, \var{text})}, where \var{id} is an article id
(as a string) and \var{text} is the text of the requested header for
that article.
If the \var{file} parameter is supplied, then the output of the
\samp{XHDR} command is stored in a file. If \var{file} is a string,
then the method will open a file object with that name, write to it
then close it. If \var{file} is a file object, then it will start
calling \method{write()} on it to store the lines of the command output.
If \var{file} is supplied, then the returned \var{list} is an empty list.
\end{methoddesc}
\begin{methoddesc}{post}{file}
@ -251,21 +281,33 @@ This is an optional NNTP extension, and may not be supported by all
servers.
\end{methoddesc}
\begin{methoddesc}{xgtitle}{name}
\begin{methoddesc}{xgtitle}{name, \optional{file}}
Process an \samp{XGTITLE} command, returning a pair \code{(\var{response},
\var{list})}, where \var{list} is a list of tuples containing
\code{(\var{name}, \var{title})}.
% XXX huh? Should that be name, description?
If the \var{file} parameter is supplied, then the output of the
\samp{XGTITLE} command is stored in a file. If \var{file} is a string,
then the method will open a file object with that name, write to it
then close it. If \var{file} is a file object, then it will start
calling \method{write()} on it to store the lines of the command output.
If \var{file} is supplied, then the returned \var{list} is an empty list.
This is an optional NNTP extension, and may not be supported by all
servers.
\end{methoddesc}
\begin{methoddesc}{xover}{start, end}
\begin{methoddesc}{xover}{start, end, \optional{file}}
Return a pair \code{(\var{resp}, \var{list})}. \var{list} is a list
of tuples, one for each article in the range delimited by the \var{start}
and \var{end} article numbers. Each tuple is of the form
\code{(\var{article number}, \var{subject}, \var{poster}, \var{date},
\var{id}, \var{references}, \var{size}, \var{lines})}.
If the \var{file} parameter is supplied, then the output of the
\samp{XOVER} command is stored in a file. If \var{file} is a string,
then the method will open a file object with that name, write to it
then close it. If \var{file} is a file object, then it will start
calling \method{write()} on it to store the lines of the command output.
If \var{file} is supplied, then the returned \var{list} is an empty list.
This is an optional NNTP extension, and may not be supported by all
servers.
\end{methoddesc}

28
Lib/nntplib.py
View File

@ -264,7 +264,7 @@ class NNTP:
self.putcmd(line)
return self.getlongresp(file)
def newgroups(self, date, time):
def newgroups(self, date, time, file=None):
"""Process a NEWGROUPS command. Arguments:
- date: string 'yymmdd' indicating the date
- time: string 'hhmmss' indicating the time
@ -272,9 +272,9 @@ class NNTP:
- resp: server response if successful
- list: list of newsgroup names"""
return self.longcmd('NEWGROUPS ' + date + ' ' + time)
return self.longcmd('NEWGROUPS ' + date + ' ' + time, file)
def newnews(self, group, date, time):
def newnews(self, group, date, time, file=None):
"""Process a NEWNEWS command. Arguments:
- group: group name or '*'
- date: string 'yymmdd' indicating the date
@ -284,14 +284,14 @@ class NNTP:
- list: list of article ids"""
cmd = 'NEWNEWS ' + group + ' ' + date + ' ' + time
return self.longcmd(cmd)
return self.longcmd(cmd, file)
def list(self):
def list(self, file=None):
"""Process a LIST command. Return:
- resp: server response if successful
- list: list of (group, last, first, flag) (strings)"""
resp, list = self.longcmd('LIST')
resp, list = self.longcmd('LIST', file)
for i in range(len(list)):
# Parse lines into "group last first flag"
list[i] = tuple(list[i].split())
@ -323,12 +323,12 @@ class NNTP:
name = words[4].lower()
return resp, count, first, last, name
def help(self):
def help(self, file=None):
"""Process a HELP command. Returns:
- resp: server response if successful
- list: list of strings"""
return self.longcmd('HELP')
return self.longcmd('HELP',file)
def statparse(self, resp):
"""Internal: parse the response of a STAT, NEXT or LAST command."""
@ -414,7 +414,7 @@ class NNTP:
return self.shortcmd('SLAVE')
def xhdr(self, hdr, str):
def xhdr(self, hdr, str, file=None):
"""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
@ -423,7 +423,7 @@ class NNTP:
- list: list of (nr, value) strings"""
pat = re.compile('^([0-9]+) ?(.*)\n?')
resp, lines = self.longcmd('XHDR ' + hdr + ' ' + str)
resp, lines = self.longcmd('XHDR ' + hdr + ' ' + str, file)
for i in range(len(lines)):
line = lines[i]
m = pat.match(line)
@ -431,7 +431,7 @@ class NNTP:
lines[i] = m.group(1, 2)
return resp, lines
def xover(self,start,end):
def xover(self, start, end, file=None):
"""Process an XOVER command (optional server extension) Arguments:
- start: start of range
- end: end of range
@ -440,7 +440,7 @@ class NNTP:
- list: list of (art-nr, subject, poster, date,
id, references, size, lines)"""
resp, lines = self.longcmd('XOVER ' + start + '-' + end)
resp, lines = self.longcmd('XOVER ' + start + '-' + end, file)
xover_lines = []
for line in lines:
elem = line.split("\t")
@ -457,7 +457,7 @@ class NNTP:
raise NNTPDataError(line)
return resp,xover_lines
def xgtitle(self, group):
def xgtitle(self, group, file=None):
"""Process an XGTITLE command (optional server extension) Arguments:
- group: group name wildcard (i.e. news.*)
Returns:
@ -465,7 +465,7 @@ class NNTP:
- list: list of (name,title) strings"""
line_pat = re.compile("^([^ \t]+)[ \t]+(.*)$")
resp, raw_lines = self.longcmd('XGTITLE ' + group)
resp, raw_lines = self.longcmd('XGTITLE ' + group, file)
lines = []
for raw_line in raw_lines:
match = line_pat.search(raw_line.strip())

1
Misc/ACKS
View File

@ -86,6 +86,7 @@ Ralph Butler
Daniel Calvelo
Brett Cannon
Mike Carlton
Terry Carroll
Luke Kenneth Casson Leighton
Donn Cave
Per Cederqvist

4
Misc/NEWS
View File

@ -118,6 +118,10 @@ Extension modules
Library
-------
- Several methods of nntplib.NNTP have grown an optional file argument
which specifies a file where to divert the command's output
(already supported by the body() method). (SF patch #720468)
- The self-documenting XML server library DocXMLRPCServer was added.
- Support for internationalized domain names has been added through