September 2019
Intermediate to advanced
272 pages
8h 4m
French
Content preview from Python précis et concis
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Modules de persistance des objets 217
Combinaison des deux précédents appels : pickling d’un objet sur
un fichier.
string = pickle.dumps(objet [, protocole=None])
Retourne une représentation d’un objet pickle sous la forme d’une
chaîne (une chaîne
bytes
en Python 3.X).
Interfaces de unpickling
Ce module prend en charge les appels suivants :
U = pickle.Unpickler(objet_fichier,
encoding="ASCII", errors="strict")
Réalise une opération de unpickling de chargement à partir d’un
objet fichier d’entrée.
objet = U.load()
Lit un objet à partir d’u n fichier/flux d’une opération de unpick-
ling.
objet = pickle.load(objet_fichier,
encoding="ASCII", errors="strict")
Combinaiso ...
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