1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
"""Generates barcodes for visually inspecting the results."""
import codecs
import os
from barcode import get_barcode
from barcode import get_barcode_class
from barcode import version
from barcode.writer import ImageWriter
PATH = os.path.dirname(os.path.abspath(__file__))
TESTPATH = os.path.join(PATH, "test_outputs")
HTMLFILE = os.path.join(TESTPATH, "index.html")
HTML = """<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>python-barcode {version} Test</title>
</head>
<body>
<h1>python-barcode {version} Tests</h1>
{body}
</body>
</html>
"""
OBJECTS = '<p><h2>{name}</h2><br>\n<img src="{filename}" alt="SVG {name}">\n'
IMAGES = '<h3>As PNG-Image</h3><br>\n<img src="{filename}" alt="PNG {name}"></p>\n'
NO_PIL = "<h3>Pillow was not found. No PNG-Image created.</h3></p>\n"
TESTCODES = (
("ean8", "40267708"),
("ean8-guard", "40267708"),
("ean13", "5901234123457"),
("ean13-guard", "5901234123457"),
("ean14", "12345678911230"),
("upca", "36000291453"),
("jan", "4901234567894"),
("isbn10", "3-12-517154-7"),
("isbn13", "978-3-16-148410-0"),
("issn", "1144875X"),
("code39", "Example Code 39"),
("pzn", "487780"),
("code128", "Example Code 128 998866"),
("itf", "12341234"),
)
def test_generating_barcodes():
os.makedirs(TESTPATH, exist_ok=True)
objects = []
def append(x, y):
objects.append(OBJECTS.format(filename=x, name=y))
def append_img(x, y):
objects.append(IMAGES.format(filename=x, name=y))
options = {}
for codename, code in TESTCODES:
bcode = get_barcode(codename, code)
if codename.startswith("i"):
options["center_text"] = False
else:
options["center_text"] = True
filename = bcode.save(os.path.join(TESTPATH, codename), options=options)
print(
"Code: {}, Input: {}, Output: {}".format(
bcode.name, code, bcode.get_fullcode()
)
)
append(os.path.basename(filename), bcode.name)
if ImageWriter is not None:
bcodec = get_barcode_class(codename)
bcode = bcodec(code, writer=ImageWriter())
opts = {}
if codename.startswith("i"):
opts["center_text"] = False
else:
opts["center_text"] = True
filename = bcode.save(os.path.join(TESTPATH, codename), options=opts)
append_img(os.path.basename(filename), bcode.name)
else:
objects.append(NO_PIL)
# Save htmlfile with all objects
with codecs.open(HTMLFILE, "w", encoding="utf-8") as f:
obj = "\n".join(objects)
f.write(HTML.format(version=version, body=obj))
print(f"\nNow open {HTMLFILE} in your browser.")
|
