A template for creating boxes of Python code in a LaTeX document.
\begin
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\documentclass[10pt]{extarticle}
\usepackage[english]{babel}
\usepackage[T1]{fontenc}
\usepackage{lmodern,mathrsfs}
\usepackage{xparse}
\usepackage[inline,shortlabels]{enumitem}
\setlist{topsep=2pt,itemsep=2pt,parsep=0pt,partopsep=0pt}
\usepackage[dvipsnames]{xcolor}
\usepackage[utf8]{inputenc}
\usepackage[a4paper,top=0.5in,bottom=0.2in,left=0.5in,right=0.5in,footskip=0.3in,includefoot]{geometry}
\usepackage[most]{tcolorbox}
\tcbuselibrary{minted} % tcolorbox minted library, required to use the "minted" tcb listing engine (this library is not loaded by the option [most])
\usepackage{minted} % Allows input of raw code, such as Python code
\usepackage[colorlinks]{hyperref} % ALWAYS load this package LAST
% Custom tcolorbox style for Python code (not the code or the box it appears in, just the options for the box)
\tcbset{
pythoncodebox/.style={
enhanced jigsaw,breakable,
colback=gray!10,colframe=gray!20!black,
boxrule=1pt,top=2pt,bottom=2pt,left=2pt,right=2pt,
sharp corners,before skip=10pt,after skip=10pt,
attach boxed title to top left,
boxed title style={empty,
top=0pt,bottom=0pt,left=2pt,right=2pt,
interior code={\fill[fill=tcbcolframe] (frame.south west)
--([yshift=-4pt]frame.north west)
to[out=90,in=180] ([xshift=4pt]frame.north west)
--([xshift=-8pt]frame.north east)
to[out=0,in=180] ([xshift=16pt]frame.south east)
--cycle;
}
},
title={#1}, % Argument of pythoncodebox specifies the title
fonttitle=\sffamily\bfseries
},
pythoncodebox/.default={}, % Default is No title
%%% Starred version has no frame %%%
pythoncodebox*/.style={
enhanced jigsaw,breakable,
colback=gray!10,coltitle=gray!20!black,colbacktitle=tcbcolback,
frame hidden,
top=2pt,bottom=2pt,left=2pt,right=2pt,
sharp corners,before skip=10pt,after skip=10pt,
attach boxed title to top text left={yshift=-1mm},
boxed title style={empty,
top=0pt,bottom=0pt,left=2pt,right=2pt,
interior code={\fill[fill=tcbcolback] (interior.south west)
--([yshift=-4pt]interior.north west)
to[out=90,in=180] ([xshift=4pt]interior.north west)
--([xshift=-8pt]interior.north east)
to[out=0,in=180] ([xshift=16pt]interior.south east)
--cycle;
}
},
title={#1}, % Argument of pythoncodebox specifies the title
fonttitle=\sffamily\bfseries
},
pythoncodebox*/.default={}, % Default is No title
}
% Custom tcolorbox for Python code (not the code itself, just the box it appears in)
\newtcolorbox{pythonbox}[1][]{pythoncodebox=#1}
\newtcolorbox{pythonbox*}[1][]{pythoncodebox*=#1} % Starred version has no frame
% Custom minted environment for Python code, NOT using tcolorbox
\newminted{python}{autogobble,breaklines,mathescape}
% Custom tcblisting environment for Python code, using the "minted" tcb listing engine
% Adapted from https://tex.stackexchange.com/a/402096
\NewTCBListing{python}{ !O{} !D(){} !G{} }{
listing engine=minted,
listing only,
pythoncodebox={#1}, % First argument specifies the title (if any)
minted language=python,
minted options/.expanded={
autogobble,breaklines,mathescape,
#2 % Second argument, delimited by (), denotes options for the minted environment
},
#3 % Third argument, delimited by {}, denotes options for the tcolorbox
}
%%% Starred version has no frame %%%
\NewTCBListing{python*}{ !O{} !D(){} !G{} }{
listing engine=minted,
listing only,
pythoncodebox*={#1}, % First argument specifies the title (if any)
minted language=python,
minted options/.expanded={
autogobble,breaklines,mathescape,
#2 % Second argument, delimited by (), denotes options for the minted environment
},
#3 % Third argument, delimited by {}, denotes options for the tcolorbox
}
% verbbox environment, for showing verbatim text next to code output (for package documentation and user learning purposes)
\NewTCBListing{verbbox}{ !O{} }{
listing engine=minted,
minted language=latex,
boxrule=1pt,sidebyside,skin=bicolor,
colback=gray!10,colbacklower=white,valign=center,
top=2pt,bottom=2pt,left=2pt,right=2pt,
#1
} % Last argument allows more tcolorbox options to be added
\setlength{\parindent}{0.2in}
\setlength{\parskip}{0pt}
\setlength{\columnseprule}{0pt}
\makeatletter
% Redefining the title block
\renewcommand\maketitle{
\null\vspace{4mm}
\begin{center}
{\Huge\sffamily\bfseries\selectfont\@title}\\
\vspace{4mm}
{\Large\sffamily\selectfont\@author}\\
\vspace{4mm}
{\large\sffamily\selectfont\@date}
\end{center}
\vspace{6mm}
}
% Adapted from https://tex.stackexchange.com/questions/483953/how-to-add-new-macros-like-author-without-editing-latex-ltx?noredirect=1&lq=1
\makeatother
\title{Typing Python in \textrm{\LaTeX}}
\author{Senan Sekhon}
\date{April 10, 2023}
% Created April 6, 2023
\begin{document}
\maketitle
This template provides environments for rendering aesthetic, professional-looking \href{https://www.python.org/}{\textsf{Python}} code in \LaTeX.\\
The code is rendered using the \href{https://ctan.org/pkg/minted}{\texttt{minted}} package, which is based on \href{https://pygments.org/}{\textsf{Pygments}}. The boxes surrounding them are created using the \href{https://ctan.org/pkg/tcolorbox}{\texttt{tcolorbox}} package. Note that this package must be loaded with the \texttt{minted} library, e.g. by adding \mintinline{latex}{\tcbuselibrary{minted}} to the preamble, for these to work.\\
The \texttt{pythonbox} environment creates a box for Python code (just the box, not the code). The starred version \texttt{pythonbox*} creates a ``soft'' box with no border.
\begin{verbbox}
\begin{pythonbox}
This is a \texttt{pythonbox}.
\end{pythonbox}
\end{verbbox}
\begin{verbbox}
\begin{pythonbox}[The title]
This is a \texttt{pythonbox} with a title.
\end{pythonbox}
\end{verbbox}
\begin{verbbox}
\begin{pythonbox*}
This is a soft \texttt{pythonbox}.
\end{pythonbox*}
\end{verbbox}
\begin{verbbox}
\begin{pythonbox*}[The title]
This is a soft \texttt{pythonbox} with a title.
\end{pythonbox*}
\end{verbbox}
The \texttt{python} environment creates Python code inside a \texttt{pythonbox}. In this environment, you can directly enter Python code and \texttt{minted} will color the text accordingly. Similarly, the starred version \texttt{python*} has no border.
\begin{verbbox}
\begin{python}
def next_two(x):
lst=[x+i for i in range(3)]
return lst
\end{python}
\end{verbbox}
\begin{verbbox}
\begin{python}[The function]
def next_two(x):
lst=[x+i for i in range(3)]
return lst
\end{python}
\end{verbbox}
\begin{verbbox}
\begin{python*}
def next_two(x):
lst=[x+i for i in range(3)]
return lst
\end{python*}
\end{verbbox}
\begin{verbbox}
\begin{python*}[The function]
def next_two(x):
lst=[x+i for i in range(3)]
return lst
\end{python*}
\end{verbbox}
The \texttt{python} and \texttt{python*} boxes have three optional arguments:
\begin{itemize}
\item The first argument, delimited by brackets \texttt{[ ]}, specifies the title.
\item The second argument, delimited by parentheses \texttt{( )}, specifies the options for the \texttt{minted} environment, i.e. the code itself. These are handled by the \texttt{minted} package.
\item The third argument, delimited by braces \texttt{\{ \}}, specifies the options for the box containing the code. These are handled by the \texttt{tcolorbox} package.
\end{itemize}
\begin{verbbox}[sidebyside=false]
\begin{python}[How to calculate a factorial](style=one-dark){colback=gray!40!black,colframe=blue}
def factorial(n):
product=1 # Start with $1$
for k in range(2,n+1): # For each $k=2,3,\ldots,n$,
product*=k # Multiply by $k$
return product
\end{python}
\end{verbbox}
In the above example, the option \texttt{style=one-dark} is an option for the \emph{code}, while the options \texttt{colback=gray!40!black} and \texttt{colframe=blue} are options for the \emph{box}. Note that the option \texttt{style} only specifies the style for the code itself, it does not change the background color --- this has to be done separately by specifying the \texttt{tcolorbox} option \texttt{colback}\footnote{This \emph{cannot} be achieved by specifying the \texttt{minted} option \texttt{bgcolor} --- doing this would only create a colored box around the code, rather than coloring the entire interior of the \texttt{tcolorbox}.}.\\
See \url{https://pygments.org/styles/} for a list of available styles. You can also use other \texttt{tcolorbox} environments\footnote{For example, the \texttt{filingbox}, \texttt{railingbox} and \texttt{flagbox} environments from \href{https://www.overleaf.com/latex/templates/fun-template-2/sgqjnsftvysf}{\textsf{this template}}.}.\\
The pre-defined options for the code are \texttt{autogobble} (this removes any common indentation from all lines of code), \texttt{breaklines} (to allow lines that are too long to be broken) and \texttt{mathescape} (to allow \LaTeX\ math to be rendered in code comments). See the \href{https://github.com/gpoore/minted/blob/master/source/minted.pdf}{\textsf{documentation}} for the \texttt{minted} package for a list of available options.
\begin{verbbox}
\begin{python}
def f(x):
# This function takes a number $x$ and returns $x^2$
return x**2
\end{python}
\end{verbbox}
You can also typeset Python code by itself (without the box) using the \texttt{pythoncode} environment. This is based on the \mintinline{latex}{\newminted} command from the \texttt{minted} package, and contains the same pre-defined options as \texttt{python}.
\begin{verbbox}
\begin{pythoncode}
def least_square_above(x):
return 0 if x<0 else (int(x**0.5)+1)**2
\end{pythoncode}
\end{verbbox}
You can overwrite these options or provide additional options by using \texttt{pythoncode*}, but it is better to use the standard \texttt{minted} environment: \mintinline{latex}{\begin{minted}[}$\langle options\rangle$\mintinline{latex}{]{python} ... \end{minted}}.
\begin{verbbox}
\begin{pythoncode*}{style=manni}
def least_square_above(x):
return 0 if x<0 else (int(x**0.5)+1)**2
\end{pythoncode*}
\end{verbbox}
Finally, note that \LaTeX\ does not \emph{run} the Python code, it only typesets it. If you want to run the code, you can paste it into TutorialsPoint:
\begin{center}
\url{https://www.tutorialspoint.com/online_python_compiler.php}
\end{center}
Or you can use any IDE, such as \href{https://www.jetbrains.com/pycharm/}{\textsf{PyCharm}} or \href{https://code.visualstudio.com/}{\textsf{Visual Studio Code}}.
\end{document}