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Jérome Perrin
erp5
Commits
0b230d79
Commit
0b230d79
authored
Apr 26, 2024
by
Jérome Perrin
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base: python3 support for Base_generateBarcodeImage
also add the missing tests
parent
1d1c2535
Changes
2
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2 changed files
with
66 additions
and
15 deletions
+66
-15
bt5/erp5_base/ExtensionTemplateItem/portal_components/extension.erp5.BarcodeUtils.py
...lateItem/portal_components/extension.erp5.BarcodeUtils.py
+43
-15
bt5/erp5_core_test/TestTemplateItem/portal_components/test.erp5.testERP5Base.py
...tTemplateItem/portal_components/test.erp5.testERP5Base.py
+23
-0
No files found.
bt5/erp5_base/ExtensionTemplateItem/portal_components/extension.erp5.BarcodeUtils.py
View file @
0b230d79
import
io
import
six
from
Products.ERP5Type.Utils
import
str2bytes
# pylint:disable=import-error
def
generateBarcodeImage
(
self
,
barcode_type
,
data
,
REQUEST
=
None
):
# huBarcode's DataMatrix support has limitation for data size.
# huBarcode's QRCode support is broken.
# more 1-D barcode types can be added by pyBarcode library.
# type: (str, str, HTTPRequest) -> bytes
barcode_type
=
barcode_type
.
lower
()
if
barcode_type
==
'datamatrix'
:
from
subprocess
import
Popen
,
PIPE
...
...
@@ -10,26 +13,51 @@ def generateBarcodeImage(self, barcode_type, data, REQUEST=None):
stdout
=
PIPE
,
stderr
=
PIPE
,
close_fds
=
True
)
output
,
_
=
process
.
communicate
(
input
=
data
)
output
,
_
=
process
.
communicate
(
input
=
str2bytes
(
data
)
)
elif
barcode_type
==
'ean13'
:
if
six
.
PY3
:
import
barcode.ean
import
barcode.writer
fp
=
io
.
BytesIO
()
barcode
.
ean
.
EuropeanArticleNumber13
(
data
,
writer
=
barcode
.
writer
.
ImageWriter
()
).
render
().
save
(
fp
,
format
=
'png'
)
output
=
fp
.
getvalue
()
else
:
from
hubarcode.ean13
import
EAN13Encoder
encoder
=
EAN13Encoder
(
data
)
output
=
encoder
.
get_imagedata
()
elif
barcode_type
==
'code128'
:
if
six
.
PY3
:
import
barcode.codex
import
barcode.writer
class
NoTextImageWriter
(
barcode
.
writer
.
ImageWriter
):
def
_paint_text
(
self
,
*
args
):
pass
fp
=
io
.
BytesIO
()
barcode
.
codex
.
Code128
(
data
,
writer
=
NoTextImageWriter
()
).
render
(
# we also set a font_size of 0, so that the bounding box of the
# image does not include white space for the text.
writer_options
=
{
'font_size'
:
0
}
).
save
(
fp
,
format
=
'png'
)
output
=
fp
.
getvalue
()
else
:
from
hubarcode.code128
import
Code128Encoder
encoder
=
Code128Encoder
(
data
)
encoder
.
text
=
''
# get barcode image only
output
=
encoder
.
get_imagedata
()
elif
barcode_type
==
'qrcode'
:
import
qrcode
from
cStringIO
import
StringIO
fp
=
StringIO
()
img
=
qrcode
.
make
(
data
)
fp
=
io
.
BytesIO
()
img
=
qrcode
.
make
(
str2bytes
(
data
))
img
.
save
(
fp
,
'png'
)
fp
.
seek
(
0
)
output
=
fp
.
read
()
output
=
fp
.
getvalue
()
else
:
raise
NotImplementedError
(
'barcode_type=%s is not supported'
%
barcode_type
)
if
REQUEST
is
not
None
:
REQUEST
.
RESPONSE
.
setHeader
(
'Content-Type'
,
'image/png'
)
return
output
# pylint:enable=import-error
bt5/erp5_core_test/TestTemplateItem/portal_components/test.erp5.testERP5Base.py
View file @
0b230d79
...
...
@@ -2178,3 +2178,26 @@ class TestImage(ERP5TypeTestCase):
content_type
,
(
filename
,
image
.
getContentType
(),
content_type
))
self
.
portal
.
manage_delObjects
([
self
.
id
()])
class
Base_generateBarcodeImageTest
(
ERP5TypeTestCase
):
def
test_datamatrix_png
(
self
):
png
=
self
.
portal
.
Base_generateBarcodeImage
(
barcode_type
=
'datamatrix'
,
data
=
'test'
)
self
.
assertTrue
(
png
.
startswith
(
b'
\
x89
PNG'
),
png
)
def
test_ean13_png
(
self
):
png
=
self
.
portal
.
Base_generateBarcodeImage
(
barcode_type
=
'ean13'
,
data
=
'0799439112766'
)
self
.
assertTrue
(
png
.
startswith
(
b'
\
x89
PNG'
),
png
)
def
test_code128_png
(
self
):
png
=
self
.
portal
.
Base_generateBarcodeImage
(
barcode_type
=
'code128'
,
data
=
'123'
)
self
.
assertTrue
(
png
.
startswith
(
b'
\
x89
PNG'
),
png
)
def
test_qrcode_png
(
self
):
png
=
self
.
portal
.
Base_generateBarcodeImage
(
barcode_type
=
'qrcode'
,
data
=
'test'
)
self
.
assertTrue
(
png
.
startswith
(
b'
\
x89
PNG'
),
png
)
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