Mercurial > hgrepos > Python2 > PyMuPDF

annotate tests/test_objectstreams.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
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
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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3
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4 def test_objectstream1():
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5 """Test save option "use_objstms".
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6 This option compresses PDF object definitions into a special object type
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7 "ObjStm". We test its presence by searching for that /Type.
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8 """
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9 if not hasattr(pymupdf, "mupdf"):
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10 # only implemented for rebased
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11 return
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12
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13 # make some arbitrary page with content
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14 text = "Hello, World! Hallo, Welt!"
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15 doc = pymupdf.open()
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16 page = doc.new_page()
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17 rect = (50, 50, 200, 500)
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18
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19 page.insert_htmlbox(rect, text) # place into the rectangle
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20 _ = doc.write(use_objstms=True)
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21 found = False
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22 for xref in range(1, doc.xref_length()):
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23 objstring = doc.xref_object(xref, compressed=True)
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24 if "/Type/ObjStm" in objstring:
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25 found = True
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26 break
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27 assert found, "No object stream found"
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28
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29
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30 def test_objectstream2():
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31 """Test save option "use_objstms".
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32 This option compresses PDF object definitions into a special object type
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33 "ObjStm". We test its presence by searching for that /Type.
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34 """
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35 if not hasattr(pymupdf, "mupdf"):
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36 # only implemented for rebased
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37 return
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38
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39 # make some arbitrary page with content
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40 text = "Hello, World! Hallo, Welt!"
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41 doc = pymupdf.open()
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42 page = doc.new_page()
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43 rect = (50, 50, 200, 500)
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44
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45 page.insert_htmlbox(rect, text) # place into the rectangle
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46 _ = doc.write(use_objstms=False)
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47
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48 found = False
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49 for xref in range(1, doc.xref_length()):
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50 objstring = doc.xref_object(xref, compressed=True)
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51 if "/Type/ObjStm" in objstring:
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52 found = True
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53 break
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54 assert not found, "Unexpected: Object stream found!"
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55
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56
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57 def test_objectstream3():
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58 """Test ez_save().
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59 Should automatically use object streams
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60 """
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61 if not hasattr(pymupdf, "mupdf"):
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62 # only implemented for rebased
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63 return
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64 import io
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65
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66 fp = io.BytesIO()
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67
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68 # make some arbitrary page with content
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69 text = "Hello, World! Hallo, Welt!"
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70 doc = pymupdf.open()
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71 page = doc.new_page()
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72 rect = (50, 50, 200, 500)
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73
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74 page.insert_htmlbox(rect, text) # place into the rectangle
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75
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76 doc.ez_save(fp) # save PDF to memory
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77 found = False
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78 for xref in range(1, doc.xref_length()):
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79 objstring = doc.xref_object(xref, compressed=True)
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80 if "/Type/ObjStm" in objstring:
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81 found = True
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82 break
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83 assert found, "No object stream found!"