%%
%% This is file `sagetex.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% sagetexpackage.dtx  (with options: `latex')
%% 
%% This is a generated file.
%% 
%% Copyright (C) 2008 by Dan Drake <ddrake@member.ams.org>
%% 
%% This program is free software: you can redistribute it and/or modify it
%% under the terms of the GNU General Public License as published by the
%% Free Software Foundation, either version 2 of the License, or (at your
%% option) any later version.
%% 
%% This program is distributed in the hope that it will be useful, but
%% WITHOUT ANY WARRANTY; without even the implied warranty of
%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
%% General Public License for more details.
%% 
%% You should have received a copy of the GNU General Public License along
%% with this program.  If not, see <http://www.gnu.org/licenses/>
%% 
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{sagetex}
  [2008/03/12 v1.4 embedding Sage into LaTeX documents]
\RequirePackage{verbatim}
\RequirePackage{graphicx}
\RequirePackage{makecmds}
\RequirePackage{ifpdf}
\RequirePackage{ifthen}
\newcounter{ST@inline}
\newcounter{ST@plot}
\setcounter{ST@inline}{0}
\setcounter{ST@plot}{0}
\newlength{\sagetexindent}
\setlength{\sagetexindent}{5ex}
\newcommand{\ST@epsim}{False}
\DeclareOption{imagemagick}{\renewcommand{\ST@epsim}{True}}
\ProcessOptions\relax
\newwrite\ST@sf
\immediate\openout\ST@sf=\jobname.sage
\newcommand{\ST@wsf}[1]{\immediate\write\ST@sf{#1}}
\iffalse
%% To get .sage files to automatically change the Python path to find
%% sagetex.py, delete the \iffalse and \fi lines surrounding this and
%% change the directory below to where sagetex.py can be found.
\ST@wsf{import sys}
\ST@wsf{sys.path.insert(0, 'directory with sagetex.py')}
\fi
\ST@wsf{import sagetex}
\ST@wsf{sagetex.openout('\jobname')}
\InputIfFileExists{\jobname.sout}{}{}
\newcommand{\sage}[1]{%
\ST@wsf{try:}%
\ST@wsf{ sagetex.inline(\theST@inline, #1)}%
\ST@wsf{except:}%
\ST@wsf{ sagetex.goboom(\the\inputlineno)}%
\begin{NoHyper}\ref{@sagelabel\theST@inline}\end{NoHyper}%
\@ifundefined{r@@sagelabel\theST@inline}{\gdef\ST@rerun{x}}{}%
\stepcounter{ST@inline}}
\AtBeginDocument{\provideenvironment{NoHyper}{}{}}
\catcode`\%=12
\newcommand{\percent}{%}
\catcode`\%=14
\newcommand{\ST@plotdir}{sage-plots-for-\jobname.tex}
\newcommand{\sageplot}[1][width=.75\textwidth]{%
  \@ifnextchar[{\ST@sageplot[#1]}{\ST@sageplot[#1][notprovided]}%]
}
\def\ST@sageplot[#1][#2]#3{%
\ST@wsf{try:}%
\ST@wsf{ sagetex.initplot('\jobname')}%
\ST@wsf{ sagetex.plot(\theST@plot, #3, format='#2', epsmagick=\ST@epsim)}%
\ST@wsf{except:}%
\ST@wsf{ sagetex.goboom(\the\inputlineno)}%
\ifpdf
  \ifthenelse{\equal{#2}{notprovided}}%
    {\ST@inclgrfx{#1}{pdf}}%
    {\ST@inclgrfx{#1}{#2}}%
\else
  \ifthenelse{\equal{#2}{notprovided}}%
    {\ST@inclgrfx{#1}{eps}}%
    {\ifthenelse{\equal{\ST@epsim}{True}}
      {\ST@inclgrfx{#1}{eps}}%
      {\IfFileExists{\ST@plotdir/plot-\theST@plot.#2}%
        {\framebox[2cm]{\rule[-1cm]{0cm}{2cm}\textbf{??}}%
         \PackageWarning{sagetex}{Graphics file
         \ST@plotdir/plot-\theST@plot.#2\space on page \thepage\space
         cannot be used with DVI output. Use pdflatex or create an EPS
         file. Plot command is}}%
        {\framebox[2cm]{\rule[-1cm]{0cm}{2cm}\textbf{??}}%
         \PackageWarning{sagetex}{Graphics file
         \ST@plotdir/plot-\theST@plot.#2\space on page \thepage\space
         does not exist}%
         \gdef\ST@rerun{x}}}}%
\fi
\stepcounter{ST@plot}}
\newcommand{\ST@inclgrfx}[2]{%
  \IfFileExists{\ST@plotdir/plot-\theST@plot.#2}%
    {\includegraphics[#1]{\ST@plotdir/plot-\theST@plot.#2}}%
    {\framebox[2cm]{\rule[-1cm]{0cm}{2cm}\textbf{??}}%
     \PackageWarning{sagetex}{Graphics file
     \ST@plotdir/plot-\theST@plot.#2\space on page \thepage\space does not
     exist}%
     \gdef\ST@rerun{x}}}
\newcommand{\ST@beginsfbl}{%
  \@bsphack%
  \ST@wsf{sagetex.blockbegin()}%
  \ST@wsf{try:}%
  \let\do\@makeother\dospecials\catcode`\^^M\active}
\newcommand{\ST@endsfbl}{%
\ST@wsf{except:}%
\ST@wsf{ sagetex.goboom(\the\inputlineno)}%
\ST@wsf{sagetex.blockend()}}
\newenvironment{sageblock}{\ST@beginsfbl%
\def\verbatim@processline{\ST@wsf{ \the\verbatim@line}%
\hspace{\sagetexindent}\the\verbatim@line\par}%
\verbatim}%
{\ST@endsfbl\endverbatim}
\newenvironment{sagesilent}{\ST@beginsfbl%
\def\verbatim@processline{\ST@wsf{ \the\verbatim@line}}%
\verbatim@start}%
{\ST@endsfbl\@esphack}
\newenvironment{sageverbatim}{%
\def\verbatim@processline{\hspace{\sagetexindent}\the\verbatim@line\par}%
\verbatim}%
{\endverbatim}
\AtEndDocument{\ST@wsf{sagetex.endofdoc()}%
\@ifundefined{ST@rerun}{}%
{\PackageWarningNoLine{sagetex}{There were undefined Sage formulas
and/or plots}%
\PackageWarningNoLine{sagetex}{Run Sage on \jobname.sage, and then run
LaTeX on \jobname.tex again}}}
\endinput
%%
%% End of file `sagetex.sty'.