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from os import mkdir, listdir
from os.path import isfile, isdir, join
from PIL.Image import ANTIALIAS
from PIL.Image import new as image_new
from PIL.Image import open as image_open
class Redim():
def __init__(self):
self.__charcters_indesirable = (
"(", ")", "[", "]", "{", "}", "'", "#", "¨",
"&", "$", "£", "¤", "€", "`", "^", "°", "§",
"@", "!", ",", "~", "%", ";", "µ"
)
self.__charcters_underscore = (" ", "-")
self.__adverbes_multplicatifs = (
"_bis", "_ter", "_quater", "_quinquies",
"_sexies", "_septies"
)
def start(self, dossier, configuration):
for i in range(len(configuration["dimensions"])):
print(
"\n[-] travail pour",
str(configuration["dimensions"][i][0]),
"x",
str(configuration["dimensions"][i][1]),
"px :"
)
if dossier != "":
if isdir(dossier):
liste, destination = self.listage(
dossier,
str(configuration["dimensions"][i][0]),
configuration["formats_acceptes"]
)
self.main(liste, destination, configuration, i)
else:
print(" >>>ERREUR<<< : Le dossier n'existe plus.")
else:
print(" >>>ERREUR<<< : Aucun dossier selectionne.")
def listage(self, dossier, larg, formats_acceptes):
liste = []
destination = join(dossier, str(larg))
if not isdir(destination):
mkdir(destination)
for nom in listdir(dossier):
if isfile(join(dossier, nom)):
if join(dossier, nom).rsplit(".", 1)[-1] in formats_acceptes:
liste.append([join(dossier, nom), nom])
return liste, destination
def suppression_de_alpha(self, img, background):
img = img.convert("RGBA")
if img.mode in ("RGBA", "LA"):
fond = image_new(img.mode[:-1], img.size, background)
fond.paste(img, img.split()[-1])
img = fond
img.convert("RGB")
return img
def redimensionnement(self, img, larg, haut):
if (img.size[0] >= larg) or (img.size[1] >= haut):
img.thumbnail((larg, haut), ANTIALIAS)
elif (img.size[0] / img.size[1]) <= (larg / haut):
nouvelle_larg = int(haut * img.size[0] / img.size[1])
img = img.resize((nouvelle_larg, haut), ANTIALIAS)
else:
nouvelle_haut = int(larg * img.size[1] / img.size[0])
img = img.resize((larg, nouvelle_haut), ANTIALIAS)
return img
def rennomage(self, origine_nom, larg, format_final):
nouveau_nom = origine_nom
for i in self.__charcters_indesirable:
nouveau_nom = nouveau_nom.replace(i, "")
for i in self.__charcters_underscore:
nouveau_nom = nouveau_nom.replace(i, "_")
return nouveau_nom.lower() + "_modif_" + str(larg) + format_final
def main(self, liste, destination, configuration, loop):
for nom in liste:
print(" [+] Travail sur :", nom[1])
img = image_open(nom[0])
print(
" >> Taille initiale :",
img.size[0],
"x",
img.size[1],
"px"
)
if nom[1].rsplit(".", 1)[-1] in ("png", "webp"):
img = self.suppression_de_alpha(
img,
configuration["background"]
)
img = self.redimensionnement(
img,
configuration["dimensions"][loop][0],
configuration["dimensions"][loop][1],
)
print(
" >> Taille apres redimensionnement :",
img.size[0],
"x",
img.size[1],
"px"
)
nouveau_nom = self.rennomage(
nom[1].rsplit(".", 1)[0],
configuration["dimensions"][loop][0],
configuration["format_final"]
)
fond = image_new(
"RGB",
(
configuration["dimensions"][loop][0],
configuration["dimensions"][loop][1]
),
tuple(configuration["background"])
)
fond.paste(
img,
(
(configuration["dimensions"][loop][0] - img.size[0]) // 2,
(configuration["dimensions"][loop][1] - img.size[1]) // 2
)
)
if isfile(join(destination, nouveau_nom)):
nom_deja_present = nouveau_nom
iteration = 0
while isfile(join(destination, nom_deja_present)):
nom_deja_present = nouveau_nom.rsplit(".", 1)[0]\
+ self.__adverbes_multplicatifs[iteration]
nom_deja_present += configuration["format_final"]
iteration += 1
fond.save(join(destination, nom_deja_present))
else:
fond.save(join(destination, nouveau_nom))
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