Mercurial > hgrepos > Python2 > PyMuPDF

annotate tests/test_object_manipulation.py @ 46:7ee69f120f19 default tip

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>>>>> tag v1.26.5+1 for changeset b74429b0f5c4
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 11 Oct 2025 17:17:30 +0200
parents 1d09e1dec1d9
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 """
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2 Check some low-level PDF object manipulations:
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3 1. Set page rotation and compare with string in object definition.
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4 2. Set page rotation via string manipulation and compare with result of
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5 proper page property.
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6 3. Read the PDF trailer and verify it has the keys "/Root", "/ID", etc.
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7 """
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8 import pymupdf
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9 import os
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11 scriptdir = os.path.abspath(os.path.dirname(__file__))
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12 resources = os.path.join(scriptdir, "resources")
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13 filename = os.path.join(resources, "001003ED.pdf")
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14
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15
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16 def test_rotation1():
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17 doc = pymupdf.open()
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18 page = doc.new_page()
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19 page.set_rotation(270)
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20 assert doc.xref_get_key(page.xref, "Rotate") == ("int", "270")
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21
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22
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23 def test_rotation2():
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24 doc = pymupdf.open()
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25 page = doc.new_page()
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26 doc.xref_set_key(page.xref, "Rotate", "270")
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27 assert page.rotation == 270
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29
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30 def test_trailer():
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31 """Access PDF trailer information."""
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32 doc = pymupdf.open(filename)
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33 xreflen = doc.xref_length()
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34 _, xreflen_str = doc.xref_get_key(-1, "Size")
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35 assert xreflen == int(xreflen_str)
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36 trailer_keys = doc.xref_get_keys(-1)
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37 assert "ID" in trailer_keys
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38 assert "Root" in trailer_keys
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41 def test_valid_name():
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42 """Verify correct PDF names in method xref_set_key."""
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43 doc = pymupdf.open()
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44 page = doc.new_page()
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45
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46 # testing name in "key": confirm correct spec is accepted
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47 doc.xref_set_key(page.xref, "Rotate", "90")
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48 assert page.rotation == 90
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49
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50 # check wrong spec is detected
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51 error_generated = False
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52 try:
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53 # illegal char in name (white space)
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54 doc.xref_set_key(page.xref, "my rotate", "90")
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55 except ValueError as e:
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56 assert str(e) == "bad 'key'"
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57 error_generated = True
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58 assert error_generated
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59
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60 # test name in "value": confirm correct spec is accepted
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61 doc.xref_set_key(page.xref, "my_rotate/something", "90")
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62 assert doc.xref_get_key(page.xref, "my_rotate/something") == ("int", "90")
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63 doc.xref_set_key(page.xref, "my_rotate", "/90")
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64 assert doc.xref_get_key(page.xref, "my_rotate") == ("name", "/90")
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65
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66 # check wrong spec is detected
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67 error_generated = False
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68 try:
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69 # no slash inside name allowed
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70 doc.xref_set_key(page.xref, "my_rotate", "/9/0")
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71 except ValueError as e:
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72 assert str(e) == "bad 'value'"
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73 error_generated = True
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74 assert error_generated