python, hg: tow outside the environment.

they've served us well, and can ride off into the sunset.

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-\section{\module{trace} ---
-         Trace or track Python statement execution}
-
-\declaremodule{standard}{trace}
-\modulesynopsis{Trace or track Python statement execution.}
-
-The \module{trace} module allows you to trace program execution, generate
-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\label{trace-cli}}
-
-The \module{trace} module can be invoked from the command line.  It can be
-as simple as
-
-\begin{verbatim}
-python -m trace --count somefile.py ...
-\end{verbatim}
-
-The above will generate annotated listings of all Python modules imported
-during the execution of \file{somefile.py}.
-
-The following command-line arguments are supported:
-
-\begin{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.
-
-\item[\longprogramopt{missing}, \programopt{-m}]
-When generating annotated listings, mark lines which
-were not executed with `\code{>>>>>>}'.
-
-\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
-listing of the functions called during the run.  \var{countcallers} enables
-call relationship tracking.  \var{ignoremods} is a list of modules or
-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 \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 \var{cmd} under control of the Trace object with the current tracing
-parameters in the defined global and local environments.  If not defined,
-\var{globals} and \var{locals} default to empty dictionaries.
-\end{methoddesc}
-
-\begin{methoddesc}[Trace]{runfunc}{func, *args, **kwds}
-Call \var{func} with the given arguments under control of the
-\class{Trace} object with the current tracing parameters.
-\end{methoddesc}
-
-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)
-
-# 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")
-\end{verbatim}