Mercurial > hgrepos > Python2 > PyMuPDF

annotate tests/test_clip_page.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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1 """
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2 Test Page method clip_to_rect.
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3 """
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4
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5 import os
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6 import pymupdf
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7
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8
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9 def test_clip():
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10 """
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11 Clip a Page to a rectangle and confirm that no text has survived
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12 that is completely outside the rectangle..
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13 """
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14 scriptdir = os.path.dirname(os.path.abspath(__file__))
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15 rect = pymupdf.Rect(200, 200, 400, 500)
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16 filename = os.path.join(scriptdir, "resources", "v110-changes.pdf")
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17 doc = pymupdf.open(filename)
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18 page = doc[0]
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19 page.clip_to_rect(rect) # clip the page to the rectangle
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20 # capture font warning message of MuPDF
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21 assert pymupdf.TOOLS.mupdf_warnings() == "bogus font ascent/descent values (0 / 0)"
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22 # extract all text characters and assert that each one
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23 # has a non-empty intersection with the rectangle.
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24 chars = [
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25 c
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26 for b in page.get_text("rawdict")["blocks"]
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27 for l in b["lines"]
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28 for s in l["spans"]
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29 for c in s["chars"]
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30 ]
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31 for char in chars:
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32 bbox = pymupdf.Rect(char["bbox"])
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33 if bbox.is_empty:
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34 continue
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35 assert bbox.intersects(
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36 rect
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37 ), f"Character '{char['c']}' at {bbox} is outside of {rect}."