Mercurial > hgrepos > Python2 > PyMuPDF

annotate tests/test_rewrite_images.py @ 1:1d09e1dec1d9 upstream

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ADD: PyMuPDF v1.26.4: the original sdist. It does not yet contain MuPDF. This normally will be downloaded when building PyMuPDF.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:37:51 +0200
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1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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1 import pymupdf
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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2 import os
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3
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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4 scriptdir = os.path.dirname(__file__)
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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7 def test_rewrite_images():
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
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8 """Example for decreasing file size by more than 30%."""
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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9 filename = os.path.join(scriptdir, "resources", "test-rewrite-images.pdf")
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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10 doc = pymupdf.open(filename)
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11 size0 = os.path.getsize(doc.name)
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12 doc.rewrite_images(dpi_threshold=100, dpi_target=72, quality=33)
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13 data = doc.tobytes(garbage=3, deflate=True)
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14 size1 = len(data)
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15 assert (1 - (size1 / size0)) > 0.3