Preliminary mhlib and telnetlib documents from Skip Montanaro -- thanks, Skip!

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Fred Drake 1999-03-15 15:44:18 +00:00
parent 8387af65a9
commit 658cef0141
3 changed files with 321 additions and 0 deletions

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@ -177,6 +177,7 @@ add new extensions to Python and how to embed it in other applications.
\input{libimaplib} \input{libimaplib}
\input{libnntplib} \input{libnntplib}
\input{libsmtplib} \input{libsmtplib}
\input{libtelnetlib}
\input{liburlparse} \input{liburlparse}
\input{libsocksvr} \input{libsocksvr}
\input{libbasehttp} \input{libbasehttp}
@ -199,6 +200,7 @@ add new extensions to Python and how to embed it in other applications.
\input{libbase64} \input{libbase64}
\input{libquopri} \input{libquopri}
\input{libmailbox} \input{libmailbox}
\input{libmhlib}
\input{libmimify} \input{libmimify}
\input{libnetrc} \input{libnetrc}

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% LaTeX'ized from the comments in the module by Skip Montanaro
% <skip@mojam.com>.
\section{\module{mhlib} ---
Object-oriented access to MH mailboxes}
\declaremodule{standard}{mhlib}
\modulesynopsis{Manipulate MH mailboxes from Python.}
The \module{mhlib} module provides a Python interface to MH folders and
their contents.
The module contains three basic classes, \class{MH}, which represents a
particular collection of folders, \class{Folder}, which represents a single
folder, and \class{Message}, which represents a single message.
\begin{classdesc}{MH}{\optional{path\optional{, profile}}}
\class{MH} represents a collection of MH folders.
\end{classdesc}
\begin{classdesc}{Folder}{mh, name}
The \class{Folder} class represents a single folder and its messages.
\end{classdesc}
\begin{classdesc}{Message}{folder, number\optional{, name}}
\class{Message} objects represent individual messages in a folder. The
Message class is derived from \class{mimetools.Message}.
\end{classdesc}
\subsection{MH Objects \label{mh-objects}}
\class{MH} instances have the following methods:
\begin{methoddesc}[MH]{error}{format\optional{, ...}}
Print an error message -- can be overridden.
\end{methoddesc}
\begin{methoddesc}[MH]{getprofile}{key}
Return a profile entry (\code{None} if not set).
\end{methoddesc}
\begin{methoddesc}[MH]{getpath}{}
Return the mailbox pathname.
\end{methoddesc}
\begin{methoddesc}[MH]{getcontext}{}
Return the current folder name.
\end{methoddesc}
\begin{methoddesc}[MH]{setcontext}{name}
Set the current folder name.
\end{methoddesc}
\begin{methoddesc}[MH]{listfolders}{}
Return a list of top-level folders.
\end{methoddesc}
\begin{methoddesc}[MH]{listallfolders}{}
Return a list of all folders.
\end{methoddesc}
\begin{methoddesc}[MH]{listsubfolders}{name}
Return a list of direct subfolders of the given folder.
\end{methoddesc}
\begin{methoddesc}[MH]{listallsubfolders}{name}
Return a list of all subfolders of the given folder.
\end{methoddesc}
\begin{methoddesc}[MH]{makefolder}{name}
Create a new folder.
\end{methoddesc}
\begin{methoddesc}[MH]{deletefolder}{name}
Delete a folder -- must have no subfolders.
\end{methoddesc}
\begin{methoddesc}[MH]{openfolder}{name}
Return a new open folder object.
\end{methoddesc}
\subsection{Folder Objects \label{mh-folder-objects}}
\class{Folder} instances represent open folders and have the following
methods:
\begin{methoddesc}[Folder]{error}{format\optional{, ...}}
Print an error message -- can be overridden.
\end{methoddesc}
\begin{methoddesc}[Folder]{getfullname}{}
Return the folder's full pathname.
\end{methoddesc}
\begin{methoddesc}[Folder]{getsequencesfilename}{}
Return the full pathname of the folder's sequences file.
\end{methoddesc}
\begin{methoddesc}[Folder]{getmessagefilename}{n}
Return the full pathname of message \var{n} of the folder.
\end{methoddesc}
\begin{methoddesc}[Folder]{listmessages}{}
Return a list of messages in the folder (as numbers).
\end{methoddesc}
\begin{methoddesc}[Folder]{getcurrent}{}
Return the current message number.
\end{methoddesc}
\begin{methoddesc}[Folder]{setcurrent}{n}
Set the current message number to \var{n}.
\end{methoddesc}
\begin{methoddesc}[Folder]{parsesequence}{seq}
Parse msgs syntax into list of messages.
\end{methoddesc}
\begin{methoddesc}[Folder]{getlast}{}
Get last message, or \code{0} if no messages are in the folder.
\end{methoddesc}
\begin{methoddesc}[Folder]{setlast}{n}
Set last message (internal use only).
\end{methoddesc}
\begin{methoddesc}[Folder]{getsequences}{}
Return dictionary of sequences in folder. The sequence names are used
as keys, and the values are the lists of message numbers in the
sequences.
\end{methoddesc}
\begin{methoddesc}[Folder]{putsequences}{dict}
Return dictionary of sequences in folder {name: list}.
\end{methoddesc}
\begin{methoddesc}[Folder]{removemessages}{list}
Remove messages in list from folder.
\end{methoddesc}
\begin{methoddesc}[Folder]{refilemessages}{list, tofolder}
Move messages in list to other folder.
\end{methoddesc}
\begin{methoddesc}[Folder]{movemessage}{n, tofolder, ton}
Move one message to a given destination in another folder.
\end{methoddesc}
\begin{methoddesc}[Folder]{copymessage}{n, tofolder, ton}
Copy one message to a given destination in another folder.
\end{methoddesc}
\subsection{Message Objects \label{mh-message-objects}}
\begin{methoddesc}[Message]{openmessage}{n}
Return a new open message object (costs a file descriptor).
\end{methoddesc}

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% LaTeX'ized from the comments in the module by Skip Montanaro
% <skip@mojam.com>.
\section{\module{telnetlib} ---
Telnet client}
\declaremodule{standard}{telnetlib}
\modulesynopsis{Telnet client class.}
The \module{telnetlib} module provides a \class{Telnet} class that
implements the Telnet protocol. See \rfc{854} for details about the
protocol.
\begin{classdesc}{Telnet}{\optional{host\optional{, port=0}}}
\class{Telnet} represents a connection to a telnet server. The
instance is initially not connected; the \method{open()} method must
be used to establish a connection. Alternatively, the host name and
optional port number can be passed to the constructor, too.
Do not reopen an already connected instance.
This class has many \method{read_*()} methods. Note that some of them
raise \exception{EOFError} when the end of the connection is read,
because they can return an empty string for other reasons. See the
individual doc strings.
\end{classdesc}
\subsection{Telnet Objects \label{telnet-objects}}
\class{Telnet} instances have the following methods:
\begin{methoddesc}[Telnet]{read_until}{expected\optional{, timeout}}
Read until a given string is encountered or until timeout.
When no match is found, return whatever is available instead,
possibly the empty string. Raise \exception{EOFError} if the connection
is closed and no cooked data is available.
\end{methoddesc}
\begin{methoddesc}[Telnet]{read_all}{}
Read all data until EOF; block until connection closed.
\end{methoddesc}
\begin{methoddesc}[Telnet]{read_some}{}
Read at least one byte of cooked data unless EOF is hit.
Return \code{''} if EOF is hit. Block if no data is immediately available.
\end{methoddesc}
\begin{methoddesc}[Telnet]{read_very_eager}{}
Read everything that's possible without blocking in I/O (eager).
Raise \exception{EOFError} if connection closed and no cooked data
available. Return \code{''} if no cooked data available otherwise.
Don't block unless in the midst of an IAC sequence.
\end{methoddesc}
\begin{methoddesc}[Telnet]{read_eager}{}
Read readily available data.
Raise \exception{EOFError} if connection closed and no cooked data
available. Return \code{''} if no cooked data available otherwise.
Don't block unless in the midst of an IAC sequence.
\end{methoddesc}
\begin{methoddesc}[Telnet]{read_lazy}{}
Process and return data that's already in the queues (lazy).
Raise \exception{EOFError} if connection closed and no data available.
Return \code{''} if no cooked data available otherwise. Don't block
unless in the midst of an IAC sequence.
\end{methoddesc}
\begin{methoddesc}[Telnet]{read_very_lazy}{}
Return any data available in the cooked queue (very lazy).
Raise \exception{EOFError} if connection closed and no data available.
Return \code{''} if no cooked data available otherwise. Don't block.
\end{methoddesc}
\begin{methoddesc}[Telnet]{open}{host\optional{, port=0}}
Connect to a host.
The optional second argument is the port number, which
defaults to the standard telnet port (23).
Don't try to reopen an already connected instance.
\end{methoddesc}
\begin{methoddesc}[Telnet]{msg}{msg\optional{, *args}}
Print a debug message, when the debug level is > 0.
If extra arguments are present, they are substituted in the
message using the standard string formatting operator.
\end{methoddesc}
\begin{methoddesc}[Telnet]{set_debuglevel}{debuglevel}
Set the debug level.
The higher it is, the more debug output you get (on sys.stdout).
\end{methoddesc}
\begin{methoddesc}[Telnet]{close}{}
Close the connection.
\end{methoddesc}
\begin{methoddesc}[Telnet]{get_socket}{}
Return the socket object used internally.
\end{methoddesc}
\begin{methoddesc}[Telnet]{fileno}{}
Return the fileno() of the socket object used internally.
\end{methoddesc}
\begin{methoddesc}[Telnet]{write}{buffer}
Write a string to the socket, doubling any IAC characters.
Can block if the connection is blocked. May raise
socket.error if the connection is closed.
\end{methoddesc}
\begin{methoddesc}[Telnet]{interact}{}
Interaction function, emulates a very dumb telnet client.
\end{methoddesc}
\begin{methoddesc}[Telnet]{mt_interact}{}
Multithreaded version of \method{interact}.
\end{methoddesc}
\begin{methoddesc}[Telnet]{expect}{list, timeout=None}
Read until one from a list of a regular expressions matches.
The first argument is a list of regular expressions, either
compiled (\class{re.RegexObject} instances) or uncompiled (strings).
The optional second argument is a timeout, in seconds; default
is no timeout.
Return a tuple of three items: the index in the list of the
first regular expression that matches; the match object
returned; and the text read up till and including the match.
If end of file is found and no text was read, raise
\exception{EOFError}. Otherwise, when nothing matches, return
\code{(-1, None, \var{text})} where \var{text} is the text received so
far (may be the empty string if a timeout happened).
If a regular expression ends with a greedy match (e.g. \regexp{.*})
or if more than one expression can match the same input, the
results are undeterministic, and may depend on the I/O timing.
\end{methoddesc}