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shirt.py
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shirt.py
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from sys import exit, argv
from PIL import Image, ImageOps
def main():
if len(argv) < 3:
exit("Too few command-line arguments")
elif len(argv) > 3:
exit("Too many command-line arguments")
else:
if file_extension_check(1) != file_extension_check(2):
exit("Input and output have different extensions")
try:
shirt = Image.open("shirt.png")
before = Image.open(argv[1])
except FileNotFoundError:
exit("Could not find the image file")
else:
size = shirt.size # it is a tuple (600, 600)
before = ImageOps.fit(before, size) # resize and crop the input
before.paste(shirt, box = (0, 0), mask = shirt) # https://pillow.readthedocs.io/en/stable/reference/Image.html#PIL.Image.Image.paste
before.save(argv[2], format=None) # saving the image
def file_extension_check(i):
match endpart := argv[i][(argv[i].index('.')):].lower(): # find period symbol location and slice from there to the end and finally making it lowercase. ":=" is walrus operator an assignment expression
case ".png" | ".jpg" | ".jpeg":
return endpart
case _:
exit("Invalid output")
if __name__ == "__main__":
main()