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author | Skip Montanaro <skip@pobox.com> | 2000-07-06 03:25:26 (GMT) |
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committer | Skip Montanaro <skip@pobox.com> | 2000-07-06 03:25:26 (GMT) |
commit | 510ca1d338a4e57734ea9431804a0c2ef7227c81 (patch) | |
tree | 38f23f87e103e3bdbc3799c439d9059b8c0368b1 /Doc | |
parent | f9059ebede7acc7d498d0703dd97adede37c5016 (diff) | |
download | cpython-510ca1d338a4e57734ea9431804a0c2ef7227c81.zip cpython-510ca1d338a4e57734ea9431804a0c2ef7227c81.tar.gz cpython-510ca1d338a4e57734ea9431804a0c2ef7227c81.tar.bz2 |
simple-minded readline section doc based upon module's doc strings.
Diffstat (limited to 'Doc')
-rw-r--r-- | Doc/lib/libreadline.tex | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/Doc/lib/libreadline.tex b/Doc/lib/libreadline.tex new file mode 100644 index 0000000..1b92d57 --- /dev/null +++ b/Doc/lib/libreadline.tex @@ -0,0 +1,90 @@ +\section{\module{readline} --- + Expose GNU readline functionality to Python} + +\declaremodule{builtin}{readline} +\sectionauthor{Skip Montanaro}{skip@mojam.com} + +\modulesynopsis{GNU Readline in Python.} + +\platform{UNIX} + +The \module{readline} module defines a number of functions used either +directly or from the \module{rlcompleter} module to facilitate completion +and history file read and write from the Python interpreter. + +The \module{readline} module defines the following functions: + +\begin{funcdesc}{parse_and_bind}{string} +Parse and execute single line of a readline init file. +\end{funcdesc} + +\begin{funcdesc}{get_line_buffer}{} +Return the current contents of the line buffer. +\end{funcdesc} + +\begin{funcdesc}{insert_text}{string} +Insert text into the command line. +\end{funcdesc} + +\begin{funcdesc}{read_init_file}{\optional{filename}} +Parse a readline initialization file. +The default filename is the last filename used. +\end{funcdesc} + +\begin{funcdesc}{read_history_file}{\optional{filename}} +Load a readline history file. +The default filename is ~/.history. +\end{funcdesc} + +\begin{funcdesc}{write_history_file}{\optional{filename}} +Save a readline history file. +The default filename is ~/.history. +\end{funcdesc} + +\begin{funcdesc}{set_completer}{\optional{function}} +Set or remove the completer function. +The function is called as function(text, state), +\code{for i in [0, 1, 2, ...]} until it returns a non-string. +It should return the next possible completion starting with 'text'. +\end{funcdesc} + +\begin{funcdesc}{get_begidx}{} +Get the beginning index of the readline tab-completion scope. +\end{funcdesc} + +\begin{funcdesc}{get_endidx}{} +Get the ending index of the readline tab-completion scope. +\end{funcdesc} + +\begin{funcdesc}{set_completer_delims}{string} +Set the readline word delimiters for tab-completion. +\end{funcdesc} + +\begin{funcdesc}{get_completer_delims}{} +Get the readline word delimiters for tab-completion. +\end{funcdesc} + +\subsection{Example} +\nodename{Readline Example} + +The following example demonstrates how to use the \module{readline} module's +history reading and writing functions to automatically load and save a +history file named \code{.pyhist} from the user's home directory. The code +below would normally be executed automatically during interactive sessions +from the user's PYTHONSTARTUP file. + +\begin{verbatim} +>>> import os +>>> histfile = os.path.join(os.environ["HOME"], ".pyhist") +>>> try: +>>> readline.read_history_file(histfile) +>>> except IOError: +>>> pass +>>> import atexit +>>> atexit.register(readline.write_history_file, histfile) +>>> del os, histfile +\end{verbatim} + +\begin{seealso} + \seemodule{rlcompleter}{completion of Python identifiers} +\end{seealso} |