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% Document Info
\author{thibautpe}
\pdfinfo{
  /Title (python.pdf)
  /Creator (Cheatography)
  /Author (thibautpe)
  /Subject (Python Cheat Sheet)
}

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\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}}
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\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Python Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{thibautpe} via \textcolor{DarkBackground}{\uline{cheatography.com/194226/cs/40485/}}}
\end{tabulary}
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\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}thibautpe \\
  \uline{cheatography.com/thibautpe} \\
  \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 22nd November, 2023.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
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\begin{tabulary}{5.8cm}{L}
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  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
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  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




\begin{document}
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\begin{multicols*}{3}

\begin{tabularx}{5.377cm}{x{2.38896 cm} x{2.58804 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Ligne de commande}}  \tn
% Row 0
\SetRowColor{LightBackground}
Lancer python & python \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Sortir de python & CTRL+Z+ENTER \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
Connaitre la version & python -{}-v \tn 
% Row Count 4 (+ 2)
% Row 3
\SetRowColor{white}
Lancer un programme python & python \textless{}nom\_du\_programme.py\textgreater{} \tn 
% Row Count 6 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.60195 cm} x{1.60195 cm} x{1.3731 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{PIP (Package Manager)}}  \tn
% Row 0
\SetRowColor{LightBackground}
Connaitre la version de PIP & pip -{}-version &  \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Installation d'un paquet (dernière version) & pip install \textless{}pakage\textgreater{} &  \tn 
% Row Count 6 (+ 4)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{Désinstallation} d'un paquet & pip uninstall \textless{}package\textgreater{} &  \tn 
% Row Count 8 (+ 2)
% Row 3
\SetRowColor{white}
Lister les packages & pip list &  \tn 
% Row Count 10 (+ 2)
% Row 4
\SetRowColor{LightBackground}
Lister les paquets (format \seqsplit{requirements.txt)} & pip freeze &  \tn 
% Row Count 14 (+ 4)
% Row 5
\SetRowColor{white}
Informations sur un paquet {\emph{(notamment les dépendances)}} & pip show \textless{}package(s)\textgreater{} & pip show requests numpy pandas \tn 
% Row Count 19 (+ 5)
% Row 6
\SetRowColor{LightBackground}
Installation d'une version d'un paquet & pip install \textless{}pakage\textgreater{}==major.minor.patch & pip install \seqsplit{requests==2.1.0} \tn 
% Row Count 22 (+ 3)
% Row 7
\SetRowColor{white}
Installation d'une version d'un paquet (au sein d'une major) & pip install \textless{}pakage\textgreater{}\textasciitilde{}=major.minor & pip install requests\textasciitilde{}=2.2 \tn 
% Row Count 27 (+ 5)
% Row 8
\SetRowColor{LightBackground}
Installation d'une version d'un paquet (au sein d'une minor) & pip install \textless{}pakage\textgreater{}\textasciitilde{}=major.minor.patch & pip install requests\textasciitilde{}=2.1.0 \tn 
% Row Count 32 (+ 5)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{5.377cm}{x{1.60195 cm} x{1.60195 cm} x{1.3731 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{PIP (Package Manager) (cont)}}  \tn
% Row 9
\SetRowColor{LightBackground}
nstallation de la dernière version d'un paquet au delà d'une version & pip install \textless{}pakage\textgreater{}\textgreater{}major.minor.patch & pip install requests\textgreater{}2.5.0 \tn 
% Row Count 5 (+ 5)
% Row 10
\SetRowColor{white}
Installation de la dernière version d'un paquet entre 2 versions & pip install "\textless{}pakage\textgreater{}\textgreater{}major.minor.patch,\textless{}major.minor.patch" & pip install "requests\textgreater{}2.4.0,\textless{}2.6.0" \tn 
% Row Count 10 (+ 5)
% Row 11
\SetRowColor{LightBackground}
Suppression de tous les paquets & pip freeze \textgreater{} \seqsplit{requirements.txt} \{\{nl\}\}pip uninstall -r \seqsplit{requirements.txt} -y &  \tn 
% Row Count 16 (+ 6)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.96811 cm} x{1.55618 cm} x{1.05271 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{Import des paquets}}  \tn
% Row 0
\SetRowColor{LightBackground}
Import d'un paquet & import \textless{}package\textgreater{} & import numpy \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Import d'un paquet (déconseillé pour les conflits) & from \textless{}package\textgreater{} import * & from numpy import * \tn 
% Row Count 6 (+ 4)
% Row 2
\SetRowColor{LightBackground}
Import d'un paquet avec alias & import \textless{}package\textgreater{} as \textless{}alias\textgreater{} & import numpy as np \tn 
% Row Count 9 (+ 3)
% Row 3
\SetRowColor{white}
Import d'un module & import \textless{}module\textgreater{} & import os \tn 
% Row Count 11 (+ 2)
% Row 4
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Import d'une fonction d'un module & from \textless{}module\textgreater{} import \textless{}fonction\textgreater{} & from os import getcwd \tn 
% Row Count 14 (+ 3)
% Row 5
\SetRowColor{white}
Lister les modules & \seqsplit{help('modules')} &  \tn 
% Row Count 16 (+ 2)
% Row 6
\SetRowColor{LightBackground}
Aide d'un module & python -m \textless{}module\textgreater{} -{}-help & python -m venv -{}-help \tn 
% Row Count 19 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\SetRowColor{LightBackground}
\mymulticolumn{3}{x{5.377cm}}{Un module est du code exécutable et les définitions de classe/fonction contenus dans un fichier Python unique. \newline Un paquet  (ou package) est une collection de modules regroupés logiquement dans un répertoire et partageant un fichier de configuration (\_\_init\_\_.py)}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
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\begin{tabularx}{5.377cm}{x{2.53827 cm} x{2.43873 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Environnement virtuel}}  \tn
% Row 0
\SetRowColor{LightBackground}
Aide du module venv & python -m venv -{}-help \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Création d'un environnement virtuel & python -m venv \textless{}environment name\textgreater{} \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Activation de l'environnement virtuel (shell Windows) & \textless{}environment name\textgreater{}\textbackslash{}Scripts\textbackslash{}activate.bat \tn 
% Row Count 7 (+ 3)
% Row 3
\SetRowColor{white}
Sortir de l'environnement virtuel & deactivate \tn 
% Row Count 9 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\emph{Le module venv est disponible à partir de la version 3.3}}}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.4885 cm} x{2.4885 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Programmation orientée objet}}  \tn
% Row 0
\SetRowColor{LightBackground}
Nom de Classe / Convention & Nom de classe avec majuscule. Si plusieurs \seqsplit{mots:CapitalizedCase} \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
Variable / Convention & Nom de variable en minuscule. Indentation supplémentaire de 4 espaces. \tn 
% Row Count 8 (+ 4)
% Row 2
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Méthode/ Convention & Nom de méthode en minuscule séparés par des traits de soulignement. Indentation supplémentaire de 4 espaces. \tn 
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\SetRowColor{white}
Constructeur / Convention & Nom en minuscule, commencent et se terminent par deux underscores (ou « dunders »). \tn 
% Row Count 19 (+ 5)
% Row 4
\SetRowColor{LightBackground}
Classe Python & class Rectangle:\{\{nl\}\}     width = 3\{\{nl\}\}     height = 2\{\{nl\}\}      def calculate\_area(self):\{\{nl\}\}         return self.width * self.height\{\{nl\}\} \tn 
% Row Count 27 (+ 8)
% Row 5
\SetRowColor{white}
Constructeur (\_\_init\_\_): & class Carre:\{\{nl\}\}       length=0\{\{nl\}\}       def \_\_init\_\_(self,length):\{\{nl\}\}           self.length=length \tn 
% Row Count 33 (+ 6)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{5.377cm}{x{2.4885 cm} x{2.4885 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Programmation orientée objet (cont)}}  \tn
% Row 6
\SetRowColor{LightBackground}
Constructeur (\_\_init\_\_): avec initialisation de variable & class Carre:\{\{nl\}\}     length=0\{\{nl\}\}     def \_\_init\_\_(self,length=5):\{\{nl\}\}         self.length=length \tn 
% Row Count 6 (+ 6)
% Row 7
\SetRowColor{white}
Constructeur (\_\_init\_\_): avec paramètre optionnel & class Carre:\{\{nl\}\}       length=0\{\{nl\}\}       def \_\_init\_\_(self,length=5,color="red"):\{\{nl\}\}           self.length=length\{\{nl\}\}           self.color=color\{\{nl\}\} \tn 
% Row Count 14 (+ 8)
% Row 8
\SetRowColor{LightBackground}
Instanciation d'un objet (sans paramètre optionnel) & car=Carre(2) \{\{nl\}\}   ou car=Carre(length=2) \tn 
% Row Count 17 (+ 3)
% Row 9
\SetRowColor{white}
Instanciation d'un objet (avec paramètre optionnel) & car2=Carre(1,"blue") \{\{nl\}\} car3=Carre(3,color="green") \tn 
% Row Count 20 (+ 3)
% Row 10
\SetRowColor{LightBackground}
Accéder à un attribut de l'objet (ici pour l'imprimer) & print(car2.color) \tn 
% Row Count 23 (+ 3)
% Row 11
\SetRowColor{white}
Modifier un attribut d'objet (l'utilisation d'une méthode , ici change\_length() est conseillée) & car2.length=5 \tn 
% Row Count 28 (+ 5)
% Row 12
\SetRowColor{LightBackground}
Attribut d'instance & class Bird::\{\{nl\}\}  def \_\_init\_\_(self)::\{\{nl\}\}            self.wings = 2:\{\{nl\}\} \tn 
% Row Count 32 (+ 4)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{5.377cm}{x{2.4885 cm} x{2.4885 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Programmation orientée objet (cont)}}  \tn
% Row 13
\SetRowColor{LightBackground}
Attribut de classe & class Bird: \{\{nl\}\}  names = ("mouette", "pigeon", "moineau", "hirrondelle")\{\{nl\}\}       positions = \{\}\{\{nl\}\}        def \_\_init\_\_(self, name):\{\{nl\}\}  self.position = 1, 2 \tn 
% Row Count 9 (+ 9)
% Row 14
\SetRowColor{white}
Méthode de classe & @classmethod\{\{nl\}\}      def find\_bird(cls, position):\{\{nl\}\}        if position in cls.positions:\{\{nl\}\}              return f"On a trouvé un \{cls.positions{[}position{]}\} !" \{\{nl\}\}          return "On a rien trouvé..." \tn 
% Row Count 20 (+ 11)
% Row 15
\SetRowColor{LightBackground}
Accéder à une méthode d'un objet & area = \seqsplit{car2.calculate\_area()} \tn 
% Row Count 22 (+ 2)
% Row 16
\SetRowColor{white}
Méthode Statique & class Bird: \{\{nl\}\}  @staticmethod\{\{nl\}\}       def get\_definition():\{nl\}\} \tn 
% Row Count 26 (+ 4)
% Row 17
\SetRowColor{LightBackground}
Méthode vide (implémentation à faire ultérieuremen) & def empty\_method(self, length): \{\{nl\}\}     pass \tn 
% Row Count 29 (+ 3)
% Row 18
\SetRowColor{white}
Héritage & class Film: \{\{nl\}\} {[}...{]}\{\{nl\}\}  class FilmCassette(Film): \tn 
% Row Count 32 (+ 3)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{5.377cm}{x{2.4885 cm} x{2.4885 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Programmation orientée objet (cont)}}  \tn
% Row 19
\SetRowColor{LightBackground}
Appeler une méthode de la classe parente & super()\{\{nl\}\} Exemple: \seqsplit{super().\_\_init\_\_(name)} \tn 
% Row Count 3 (+ 3)
% Row 20
\SetRowColor{white}
Exception. Levée & message = (f"This Function only supports halving even numbers. Received: \{number\}"         )         \{\{nl\}\} raise Exception(message) \tn 
% Row Count 10 (+ 7)
% Row 21
\SetRowColor{LightBackground}
Exception. Gestion & try: \{\{nl\}\} return (after\_value / initial\_value) * 100    \{\{nl\}\}  except ZeroDivisionError: \{\{nl\}\} return 0\{\{nl\}\} except Exception as error:  \{\{nl\}\} print("Uh oh, unexpected error occurred!") \{\{nl\}\} raise error \tn 
% Row Count 21 (+ 11)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.89126 cm} x{3.08574 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Liens (copy)}}  \tn
% Row 0
\SetRowColor{LightBackground}
Index des paquets python & https://pypi.org/ \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Python en ligne & \seqsplit{https://colab.research.google.com/?utm\_source=scs-index} \tn 
% Row Count 5 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.4885 cm} x{2.4885 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Tests unitaires}}  \tn
% Row 0
\SetRowColor{LightBackground}
Exemple de méthode à tester & def \seqsplit{to\_absolute(number):} \{\{nl\}\}    """  \{\{nl\}\}       Return the absolute value\{\{nl\}\}       :param number: Initial number  \{\{nl\}\}       :return:  The absolute value  \{\{nl\}\}   """  \{\{nl\}\}   if number \textless{}= 0:  \{\{nl\}\}       return -number  \{\{nl\}\}   return number \tn 
% Row Count 13 (+ 13)
% Row 1
\SetRowColor{white}
Ecriture d'un doctest & def \seqsplit{to\_absolute(number):} \{\{nl\}\}    """ \{\{nl\}\}    \textgreater{}\textgreater{}\textgreater{} to\_absolute(3) \{\{nl\}\}    3 \{\{nl\}\}    """ \{\{nl\}\}    if number \textless{}= 0: \{\{nl\}\}        return -number \{\{nl\}\}    return number \tn 
% Row Count 22 (+ 9)
% Row 2
\SetRowColor{LightBackground}
Lancement d'un doctest & python -m doctest \textless{}nom du fichier\textgreater{} \tn 
% Row Count 24 (+ 2)
% Row 3
\SetRowColor{white}
Lancement d'un doctest (avec traces) & python -m doctest -v \textless{}nom du module\textgreater{} \tn 
% Row Count 26 (+ 2)
% Row 4
\SetRowColor{LightBackground}
Librairie Pytest / Installation & pip install -U pytest \tn 
% Row Count 28 (+ 2)
% Row 5
\SetRowColor{white}
Librairie Pytest / Implémentation d'un test dans une classe test.py & from source import reverse\_str \{\{nl\}\}def \seqsplit{test\_should\_reverse\_string():} \{\{nl\}\}assert reverse\_str('abc') == 'cba' \tn 
% Row Count 34 (+ 6)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{5.377cm}{x{2.4885 cm} x{2.4885 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Tests unitaires (cont)}}  \tn
% Row 6
\SetRowColor{LightBackground}
Librairie Pytest / Lancement de la classe de test & pytest test.py \tn 
% Row Count 3 (+ 3)
% Row 7
\SetRowColor{white}
Librairie Pytest / Lancement de la classe de test en mode verbeux & pytest -v test.py \tn 
% Row Count 7 (+ 4)
% Row 8
\SetRowColor{LightBackground}
Librairie Pytest / Lancement d'une méthode de la classe de test & pytest -v \seqsplit{test.py::test\_should\_reverse\_string} \tn 
% Row Count 11 (+ 4)
% Row 9
\SetRowColor{white}
Librairie Pytest / Lancement des classes de test commençant ou terminant par test & pytest \tn 
% Row Count 16 (+ 5)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}