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trml2pdf: Support EAN13 and QRcode barcodes, fix unicode warning [Bug 532559] 

Since ReportLab supports them, include it in our list, too.
Also, fix the warning that has been appearing in buildbot, about
"code128.py:257: UnicodeWarning ..."
The issue is that string-capable barcodes will only support ASCII chars,
not Unicode. So, cast to str() and let ReportLab's code be happy.

Code was based on patch by: Omar (Pexego), on 22-06-2010

bzr revid: p_christ@hol.gr-20101219201127-mmrsn206a9vldr43
This commit is contained in:
P. Christeas 2010-12-19 22:11:27 +02:00
parent 91a0d108bf
commit aaac6a602f
1 changed files with 10 additions and 6 deletions
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16
bin/report/render/rml2pdf/trml2pdf.py
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@ -733,22 +733,26 @@ class _rml_flowable(object):
from reportlab.graphics.barcode import common
from reportlab.graphics.barcode import fourstate
from reportlab.graphics.barcode import usps
except Exception, e:
from reportlab.graphics.barcode import createBarcodeDrawing
except ImportError:
self._logger.warning("Cannot use barcode renderers:", exc_info=True)
return None
args = utils.attr_get(node, [], {'ratio':'float','xdim':'unit','height':'unit','checksum':'int','quiet':'int','width':'unit','stop':'bool','bearers':'int','barWidth':'float','barHeight':'float'})
codes = {
'codabar': lambda x: common.Codabar(x, **args),
'code11': lambda x: common.Code11(x, **args),
'code128': lambda x: code128.Code128(x, **args),
'standard39': lambda x: code39.Standard39(x, **args),
'standard93': lambda x: code93.Standard93(x, **args),
'code128': lambda x: code128.Code128(str(x), **args),
'standard39': lambda x: code39.Standard39(str(x), **args),
'standard93': lambda x: code93.Standard93(str(x), **args),
'i2of5': lambda x: common.I2of5(x, **args),
'extended39': lambda x: code39.Extended39(x, **args),
'extended93': lambda x: code93.Extended93(x, **args),
'extended39': lambda x: code39.Extended39(str(x), **args),
'extended93': lambda x: code93.Extended93(str(x), **args),
'msi': lambda x: common.MSI(x, **args),
'fim': lambda x: usps.FIM(x, **args),
'postnet': lambda x: usps.POSTNET(x, **args),
'ean13': lambda x: createBarcodeDrawing('EAN13', value=str(x), **args),
'qrcode': lambda x: createBarcodeDrawing('QR', value=x, **args),
}
code = 'code128'
if node.get('code'):