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#!/usr/bin/env python3
"""
Quick CLI script to convert a PDF to thumbnail (.png, jpeg, etc).
Originally used to benchmark and compare file size/quality.
"""
import sys
import poppler
from PIL import Image
def run(inpath, outpath):
try:
pdf = poppler.load_from_file(inpath)
page = pdf.create_page(0)
except Exception as e:
print(str(e), file=sys.stderr)
sys.exit(0)
renderer = poppler.PageRenderer()
full_page = renderer.render_page(page)
img = Image.frombuffer("RGBA", (full_page.width, full_page.height), full_page.data, 'raw', "BGRA", 0, 1)
img.thumbnail((180,300), Image.BICUBIC)
#img.thumbnail((360,600), Image.BICUBIC)
img.save(outpath)
#img.save(outpath, quality=95)
if __name__ == '__main__':
if len(sys.argv) != 3:
print("expect two parameters: INPUT.png OUTPUT.png", file=sys.stderr)
sys.exit(-1)
run(sys.argv[1], sys.argv[2])
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