Mercurial > hgrepos > Python2 > PyMuPDF

annotate tests/test_remove-rotation.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 os
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2 import pymupdf
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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3 from gentle_compare import gentle_compare
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5 scriptdir = os.path.dirname(__file__)
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8 def test_remove_rotation():
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9 """Remove rotation verifying identical appearance and text."""
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10 filename = os.path.join(scriptdir, "resources", "test-2812.pdf")
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11 doc = pymupdf.open(filename)
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13 # We always create fresh pages to avoid false positives from cache content.
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14 # Text on these pages consists of pairwise different strings, sorting by
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15 # these strings must therefore yield identical bounding boxes.
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16 for i in range(1, doc.page_count):
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17 assert doc[i].rotation # must be a rotated page
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18 pix0 = doc[i].get_pixmap() # make image
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19 words0 = []
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20 for w in doc[i].get_text("words"):
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21 words0.append(list(pymupdf.Rect(w[:4]) * doc[i].rotation_matrix) + [w[4]])
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22 words0.sort(key=lambda w: w[4]) # sort by word strings
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23 # derotate page and confirm nothing else has changed
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24 doc[i].remove_rotation()
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25 assert doc[i].rotation == 0
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26 pix1 = doc[i].get_pixmap()
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27 words1 = doc[i].get_text("words")
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28 words1.sort(key=lambda w: w[4]) # sort by word strings
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29 assert pix1.digest == pix0.digest, f"{pix1.digest}/{pix0.digest}"
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30 assert gentle_compare(words0, words1)