Mercurial > hgrepos > Python2 > PyMuPDF

comparison tests/test_objectstreams.py @ 3:2c135c81b16c

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MERGE: upstream PyMuPDF 1.26.4 with MuPDF 1.26.7
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:44:09 +0200
parents 1d09e1dec1d9
children
comparison
equal deleted inserted replaced
0:6015a75abc2d 3:2c135c81b16c
1 import pymupdf
2
3
4 def test_objectstream1():
5 """Test save option "use_objstms".
6 This option compresses PDF object definitions into a special object type
7 "ObjStm". We test its presence by searching for that /Type.
8 """
9 if not hasattr(pymupdf, "mupdf"):
10 # only implemented for rebased
11 return
12
13 # make some arbitrary page with content
14 text = "Hello, World! Hallo, Welt!"
15 doc = pymupdf.open()
16 page = doc.new_page()
17 rect = (50, 50, 200, 500)
18
19 page.insert_htmlbox(rect, text) # place into the rectangle
20 _ = doc.write(use_objstms=True)
21 found = False
22 for xref in range(1, doc.xref_length()):
23 objstring = doc.xref_object(xref, compressed=True)
24 if "/Type/ObjStm" in objstring:
25 found = True
26 break
27 assert found, "No object stream found"
28
29
30 def test_objectstream2():
31 """Test save option "use_objstms".
32 This option compresses PDF object definitions into a special object type
33 "ObjStm". We test its presence by searching for that /Type.
34 """
35 if not hasattr(pymupdf, "mupdf"):
36 # only implemented for rebased
37 return
38
39 # make some arbitrary page with content
40 text = "Hello, World! Hallo, Welt!"
41 doc = pymupdf.open()
42 page = doc.new_page()
43 rect = (50, 50, 200, 500)
44
45 page.insert_htmlbox(rect, text) # place into the rectangle
46 _ = doc.write(use_objstms=False)
47
48 found = False
49 for xref in range(1, doc.xref_length()):
50 objstring = doc.xref_object(xref, compressed=True)
51 if "/Type/ObjStm" in objstring:
52 found = True
53 break
54 assert not found, "Unexpected: Object stream found!"
55
56
57 def test_objectstream3():
58 """Test ez_save().
59 Should automatically use object streams
60 """
61 if not hasattr(pymupdf, "mupdf"):
62 # only implemented for rebased
63 return
64 import io
65
66 fp = io.BytesIO()
67
68 # make some arbitrary page with content
69 text = "Hello, World! Hallo, Welt!"
70 doc = pymupdf.open()
71 page = doc.new_page()
72 rect = (50, 50, 200, 500)
73
74 page.insert_htmlbox(rect, text) # place into the rectangle
75
76 doc.ez_save(fp) # save PDF to memory
77 found = False
78 for xref in range(1, doc.xref_length()):
79 objstring = doc.xref_object(xref, compressed=True)
80 if "/Type/ObjStm" in objstring:
81 found = True
82 break
83 assert found, "No object stream found!"