docs/build/latex/sphinxlatexindbibtoc.sty

%% INDEX, BIBLIOGRAPHY, APPENDIX, TABLE OF CONTENTS
%
% change this info string if making any custom modification
\ProvidesPackage{sphinxlatexindbibtoc}[2021/01/27 index, bib., toc]

% Provides support for this output mark-up from Sphinx latex writer:
%
% - environments: (backup defaults or get redefined)
%
%   - sphinxtheindex (direct mark-up or via python.ist or sphinx.xdy)
%   - sphinxthebibliography
%
% - macros: (defines defaults)
%
%   - \sphinxmaketitle
%   - \sphinxtableofcontents
%   - \sphinxnonalphabeticalgroupname
%   - \sphinxsymbolsname
%   - \sphinxnumbersname
%   - \sphinxcite
%
% Requires:
\RequirePackage{makeidx}

% fix the double index and bibliography on the table of contents
% in jsclasses (Japanese standard document classes)
\ifx\@jsc@uplatextrue\@undefined\else
  \renewenvironment{sphinxtheindex}
    {\cleardoublepage\phantomsection
     \begin{theindex}}
    {\end{theindex}}

  \renewenvironment{sphinxthebibliography}[1]
    {\cleardoublepage% \phantomsection % not needed here since TeXLive 2010's hyperref
     \begin{thebibliography}{#1}}
    {\end{thebibliography}}
\fi

% disable \@chappos in Appendix in pTeX
\ifx\kanjiskip\@undefined\else
  \let\py@OldAppendix=\appendix
  \renewcommand{\appendix}{
    \py@OldAppendix
    \gdef\@chappos{}
  }
\fi

% make commands known to non-Sphinx document classes
\providecommand*{\sphinxmaketitle}{\maketitle}
\providecommand*{\sphinxtableofcontents}{\tableofcontents}
\ltx@ifundefined{sphinxthebibliography}
 {\newenvironment
  {sphinxthebibliography}{\begin{thebibliography}}{\end{thebibliography}}%
 }
 {}% else clause of \ltx@ifundefined
\ltx@ifundefined{sphinxtheindex}
 {\newenvironment{sphinxtheindex}{\begin{theindex}}{\end{theindex}}}%
 {}% else clause of \ltx@ifundefined

% for usage with xindy: this string gets internationalized in preamble
\newcommand*{\sphinxnonalphabeticalgroupname}{}
% redefined in preamble, headings for makeindex produced index
\newcommand*{\sphinxsymbolsname}{}
\newcommand*{\sphinxnumbersname}{}

\protected\def\sphinxcite{\cite}


\endinput