\documentclass[10pt,a4paper]{article} % Packages \usepackage{fancyhdr} % For header and footer \usepackage{multicol} % Allows multicols in tables \usepackage{tabularx} % Intelligent column widths \usepackage{tabulary} % Used in header and footer \usepackage{hhline} % Border under tables \usepackage{graphicx} % For images \usepackage{xcolor} % For hex colours %\usepackage[utf8x]{inputenc} % For unicode character support \usepackage[T1]{fontenc} % Without this we get weird character replacements \usepackage{colortbl} % For coloured tables \usepackage{setspace} % For line height \usepackage{lastpage} % Needed for total page number \usepackage{seqsplit} % Splits long words. %\usepackage{opensans} % Can't make this work so far. Shame. Would be lovely. \usepackage[normalem]{ulem} % For underlining links % Most of the following are not required for the majority % of cheat sheets but are needed for some symbol support. \usepackage{amsmath} % Symbols \usepackage{MnSymbol} % Symbols \usepackage{wasysym} % Symbols %\usepackage[english,german,french,spanish,italian]{babel} % Languages % Document Info \author{amicheletti} \pdfinfo{ /Title (python-automat.pdf) /Creator (Cheatography) /Author (amicheletti) /Subject (Python Automat Cheat Sheet) } % Lengths and widths \addtolength{\textwidth}{6cm} \addtolength{\textheight}{-1cm} \addtolength{\hoffset}{-3cm} \addtolength{\voffset}{-2cm} \setlength{\tabcolsep}{0.2cm} % Space between columns \setlength{\headsep}{-12pt} % Reduce space between header and content \setlength{\headheight}{85pt} % If less, LaTeX automatically increases it \renewcommand{\footrulewidth}{0pt} % Remove footer line \renewcommand{\headrulewidth}{0pt} % Remove header line \renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit % This two commands together give roughly % the right line height in the tables \renewcommand{\arraystretch}{1.3} \onehalfspacing % Commands \newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour \newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols \newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns \newcommand{\tn}{\tabularnewline} % Required as custom column type in use % Font and Colours \definecolor{HeadBackground}{HTML}{333333} \definecolor{FootBackground}{HTML}{666666} \definecolor{TextColor}{HTML}{333333} \definecolor{DarkBackground}{HTML}{4F4F4F} \definecolor{LightBackground}{HTML}{F4F4F4} \renewcommand{\familydefault}{\sfdefault} \color{TextColor} % Header and Footer \pagestyle{fancy} \fancyhead{} % Set header to blank \fancyfoot{} % Set footer to blank \fancyhead[L]{ \noindent \begin{multicols}{3} \begin{tabulary}{5.8cm}{C} \SetRowColor{DarkBackground} \vspace{-7pt} {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}} } \end{tabulary} \columnbreak \begin{tabulary}{11cm}{L} \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Python Automat Cheat Sheet}}}} \\ \normalsize{by \textcolor{DarkBackground}{amicheletti} via \textcolor{DarkBackground}{\uline{cheatography.com/39488/cs/12281/}}} \end{tabulary} \end{multicols}} \fancyfoot[L]{ \footnotesize \noindent \begin{multicols}{3} \begin{tabulary}{5.8cm}{LL} \SetRowColor{FootBackground} \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}} \\ \vspace{-2pt}amicheletti \\ \uline{cheatography.com/amicheletti} \\ \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}} \\ \vspace{-2pt}Not Yet Published.\\ Updated 14th July, 2017.\\ Page {\thepage} of \pageref{LastPage}. \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}} \\ \SetRowColor{white} \vspace{-5pt} %\includegraphics[width=48px,height=48px]{dave.jpeg} Measure your website readability!\\ www.readability-score.com \end{tabulary} \end{multicols}} \begin{document} \raggedright \raggedcolumns % Set font size to small. Switch to any value % from this page to resize cheat sheet text: % www.emerson.emory.edu/services/latex/latex_169.html \footnotesize % Small font. \begin{multicols*}{2} \begin{tabularx}{8.4cm}{x{2.56 cm} x{5.44 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Basic}} \tn % Row 0 \SetRowColor{LightBackground} \seqsplit{`@machine.state()`} & Define a state (use `initial=True` to set initial state) \tn % Row Count 3 (+ 3) % Row 1 \SetRowColor{white} \seqsplit{`@machine.input()`} & Define input. Body must be empty \tn % Row Count 5 (+ 2) % Row 2 \SetRowColor{LightBackground} \seqsplit{`@machine.output()`} & Define output. Make processing here \tn % Row Count 7 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{To define transitions: \newline `state.upon(input, enter=next\_state, outputs={[}{]}`} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Graphviz}} \tn \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{The `MethodicalMachine` class has an function named `asDigraph()` \newline % Row Count 2 (+ 2) You can use it to create a `Digraph` object from the `graphviz` package. Then you can manipulate it as any Digraph from graphviz. \newline % Row Count 5 (+ 3) To render it, you can use \seqsplit{`Digraph.render(filename)`} \newline % Row Count 7 (+ 2) For example: \newline % Row Count 8 (+ 1) `g = \_machine.asDigraph()` \newline % Row Count 9 (+ 1) \seqsplit{`g.render("\_machine.gv")`}% Row Count 10 (+ 1) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Serializing}} \tn \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{You can serialize the Machine. To do that, you must define serialized values for each state: \newline % Row Count 2 (+ 2) \seqsplit{`@machine.state(serialized="on")`} \newline % Row Count 3 (+ 1) Then you define a serializer function which will receive this state serialized value: \newline % Row Count 5 (+ 2) `@machine.serializer()` \newline % Row Count 6 (+ 1) `def save(self, state):` \newline % Row Count 7 (+ 1) ` return \{"is-it-on": state\}` \newline % Row Count 8 (+ 1) Then the unserializer: \newline % Row Count 9 (+ 1) \seqsplit{`@machine.unserializer()`} \newline % Row Count 10 (+ 1) `def \_restore(self, blob):` \newline % Row Count 11 (+ 1) ` return blob{[}"is-it-on"{]}`% Row Count 12 (+ 1) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} % That's all folks \end{multicols*} \end{document}