From 2afbf96f534fec1ada925f96b71ee039a2b3712a Mon Sep 17 00:00:00 2001 From: Fred Drake Date: Wed, 26 Apr 2006 05:15:41 +0000 Subject: markup fixes, cleanup --- Doc/Makefile.deps | 1 + Doc/lib/libtrace.tex | 104 ++++++++++++++++++++++++++++++++------------------- 2 files changed, 67 insertions(+), 38 deletions(-) diff --git a/Doc/Makefile.deps b/Doc/Makefile.deps index 44da2cd..5356294 100644 --- a/Doc/Makefile.deps +++ b/Doc/Makefile.deps @@ -180,6 +180,7 @@ LIBFILES= $(MANSTYLES) $(INDEXSTYLES) $(COMMONTEX) \ lib/libprofile.tex \ lib/libhotshot.tex \ lib/libtimeit.tex \ + lib/libtrace.tex \ lib/libcgi.tex \ lib/libcgitb.tex \ lib/liburllib.tex \ diff --git a/Doc/lib/libtrace.tex b/Doc/lib/libtrace.tex index 65d1352..bafee61 100644 --- a/Doc/lib/libtrace.tex +++ b/Doc/lib/libtrace.tex @@ -9,7 +9,7 @@ annotated statement coverage listings, print caller/callee relationships and list functions executed during a program run. It can be used in another program or from the command line. -\subsection{Command Line Usage} +\subsection{Command Line Usage\label{trace-cli}} The \module{trace} module can be invoked from the command line. It can be as simple as @@ -19,39 +19,62 @@ python -m trace --count somefile.py ... \end{verbatim} The above will generate annotated listings of all Python modules imported -during the execution of \code{somefile.py}. +during the execution of \file{somefile.py}. -\subsection{Command Line Arguments} +The following command-line arguments are supported: \begin{description} -\item[--trace, -t]{Display lines as they are executed.} -\item[--count, -c]{Produce a set of annotated listing files upon program -completion that shows how many times each statement was executed.} -\item[--report, -r]{Produce an annotated list from an earlier program run that -used the \code{--count} and \code{--file} arguments.} -\item[--no-report, -R]{Do not generate annotated listings. This is useful -if you intend to make several runs with \code{--count} then produce a single -set of annotated listings at the end.} -\item[--listfuncs, -l]{List the functions executed by running the program.} -\item[--trackcalls, -T]{Generate calling relationships exposed by running the -program.} -\item[--file, -f]{Name a file containing (or to contain) counts.} -\item[--coverdir, -C]{Name a directory in which to save annotated listing -files.} -\item[--missing, -m]{When generating annotated listings, mark lines which -were not executed with \code{>>>>>>}.} -\item[--summary -s]{When using \code{--count} or \code{--report}, write a -brief summary to stdout for each file processed.} -\item[--ignore-module]{Ignore the named module and its submodules (if it is -a package). May be given multiple times.} -\item[--ignore-dir]{Ignore all modules and packages in the named directory -and subdirectories. May be given multiple times.} -\end{description} +\item[\longprogramopt{trace}, \programopt{-t}] +Display lines as they are executed. + +\item[\longprogramopt{count}, \programopt{-c}] +Produce a set of annotated listing files upon program +completion that shows how many times each statement was executed. + +\item[\longprogramopt{report}, \programopt{-r}] +Produce an annotated list from an earlier program run that +used the \longprogramopt{count} and \longprogramopt{file} arguments. + +\item[\longprogramopt{no-report}, \programopt{-R}] +Do not generate annotated listings. This is useful if you intend to make +several runs with \longprogramopt{count} then produce a single set +of annotated listings at the end. + +\item[\longprogramopt{listfuncs}, \programopt{-l}] +List the functions executed by running the program. + +\item[\longprogramopt{trackcalls}, \programopt{-T}] +Generate calling relationships exposed by running the program. + +\item[\longprogramopt{file}, \programopt{-f}] +Name a file containing (or to contain) counts. + +\item[\longprogramopt{coverdir}, \programopt{-C}] +Name a directory in which to save annotated listing files. -\subsection{Program Usage} +\item[\longprogramopt{missing}, \programopt{-m}] +When generating annotated listings, mark lines which +were not executed with \code{>}\code{>}\code{>}\code{>}\code{>}\code{>}. -\begin{classdesc}{Trace}{\optional{count=1\optional{,trace=1\optional{,countfuncs=0\optional{,countcallers=0\optional{,ignoremods=()\optional{,ignoredirs=()\optional{,infile=None\optional{,outfile=None}}}}}}}}} +\item[\longprogramopt{summary}, \programopt{-s}] +When using \longprogramopt{count} or \longprogramopt{report}, write a +brief summary to stdout for each file processed. +\item[\longprogramopt{ignore-module}] +Ignore the named module and its submodules (if it is +a package). May be given multiple times. + +\item[\longprogramopt{ignore-dir}] +Ignore all modules and packages in the named directory +and subdirectories. May be given multiple times. +\end{description} + +\subsection{Programming Interface\label{trace-api}} + +\begin{classdesc}{Trace}{\optional{count=1\optional{, trace=1\optional{, + countfuncs=0\optional{, countcallers=0\optional{, + ignoremods=()\optional{, ignoredirs=()\optional{, + infile=None\optional{, outfile=None}}}}}}}}} Create an object to trace execution of a single statement or expression. All parameters are optional. \var{count} enables counting of line numbers. \var{trace} enables line execution tracing. \var{countfuncs} enables @@ -61,36 +84,41 @@ packages to ignore. \var{ignoredirs} is a list of directories whose modules or packages should be ignored. \var{infile} is the file from which to read stored count information. \var{outfile} is a file in which to write updated count information. - \end{classdesc} \begin{methoddesc}[Trace]{run}{cmd} -Run \code{cmd} under control of the Trace object with the current tracing +Run \var{cmd} under control of the Trace object with the current tracing parameters. \end{methoddesc} -\begin{methoddesc}[Trace]{runctx}{cmd\optional{,globals=None\optional{,locals=None}}} -Run \code{cmd} under control of the Trace object with the current tracing +\begin{methoddesc}[Trace]{runctx}{cmd\optional{, globals=None\optional{, + locals=None}}} +Run \var{cmd} under control of the Trace object with the current tracing parameters in the defined global and local environments. If not defined, -\code{globals} and \code{locals} default to empty dictionaries. +\var{globals} and \var{locals} default to empty dictionaries. \end{methoddesc} \begin{methoddesc}[Trace]{runfunc}{func, *args, **kwds} -Call \code{function} with the given arguments under control of the Trace -object with the current tracing parameters. +Call \var{func} with the given arguments under control of the +\class{Trace} object with the current tracing parameters. \end{methoddesc} -\subsubsection{Example} +This is a simple example showing the use of this module: \begin{verbatim} import sys +import trace # create a Trace object, telling it what to ignore, and whether to # do tracing or line-counting or both. -tracer = trace.Trace(ignoredirs=[sys.prefix, sys.exec_prefix,], trace=0, - count=1) +tracer = trace.Trace( + ignoredirs=[sys.prefix, sys.exec_prefix], + trace=0, + count=1) + # run the new command using the given tracer tracer.run('main()') + # make a report, placing output in /tmp r = tracer.results() r.write_results(show_missing=True, coverdir="/tmp") -- cgit v0.12