September 2019
Intermediate to advanced
272 pages
8h 4m
French
Content preview from Python précis et concis
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Module système os 191
d’erreur), auquel cas
None
est retourné. Utilisez
readlin e()
ou
les itérations de l’objet fi le pour lire la sortie ligne à ligne (et
éventuellement les opérations d’insertion plus complètement).
Python 2.X a aussi les variantes
popen2()
,
popen3()
et
popen4()
pour se connecter à d’autres flux de commandes (par exemple,
popen2()
retourne un tupl e
(child_stdin, child_stdout)
). En
Python 3.X, ces fonctions sont supprimées ; utilisez à la place
subprocess.Popen()
. Le module
subprocess
de la version 2.4
et des versions ultérieures permet aux s cripts d’en gendr er de
nouveaux processus, de se connecter à leur flux, et d’obtenir
leurs codes de retou ...
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