def _flowable(self, node, extra_style=None):
if node.tag=='pto':
return self._pto(node)
if node.tag=='para':
style = self.styles.para_style_get(node)
if extra_style:
style.__dict__.update(extra_style)
result = []
for i in self._textual(node).split('\n'):
result.append(platypus.Paragraph(i, style, **(utils.attr_get(node, [], {'bulletText':'str'}))))
return result
elif node.tag=='barCode':
try:
from reportlab.graphics.barcode import code128
from reportlab.graphics.barcode import code39
from reportlab.graphics.barcode import code93
from reportlab.graphics.barcode import common
from reportlab.graphics.barcode import fourstate
from reportlab.graphics.barcode import usps
from reportlab.graphics.barcode import createBarcodeDrawing
except ImportError:
_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(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(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'):
code = node.get('code').lower()
return codes[code](self._textual(node))
elif node.tag=='name':
self.styles.names[ node.get('id')] = node.get('value')
return None
elif node.tag=='xpre':
style = self.styles.para_style_get(node)
return platypus.XPreformatted(self._textual(node), style, **(utils.attr_get(node, [], {'bulletText':'str','dedent':'int','frags':'int'})))
elif node.tag=='pre':
style = self.styles.para_style_get(node)
return platypus.Preformatted(self._textual(node), style, **(utils.attr_get(node, [], {'bulletText':'str','dedent':'int'})))
elif node.tag=='illustration':
return self._illustration(node)
elif node.tag=='blockTable':
return self._table(node)
elif node.tag=='title':
styles = reportlab.lib.styles.getSampleStyleSheet()
style = styles['Title']
return platypus.Paragraph(self._textual(node), style, **(utils.attr_get(node, [], {'bulletText':'str'})))
elif re.match('^h([1-9]+[0-9]*)$', (node.tag or '')):
styles = reportlab.lib.styles.getSampleStyleSheet()
style = styles['Heading'+str(node.tag[1:])]
return platypus.Paragraph(self._textual(node), style, **(utils.attr_get(node, [], {'bulletText':'str'})))
elif node.tag=='image':
image_data = False
if not node.get('file'):
if node.get('name'):
if node.get('name') in self.doc.images:
_logger.debug("Image %s read ", node.get('name'))
image_data = self.doc.images[node.get('name')].read()
else:
_logger.warning("Image %s not defined", node.get('name'))
return False
else:
import base64
newtext = node.text
if self.localcontext:
newtext = utils._process_text(self, node.text or '')
image_data = base64.decodestring(newtext)
if not image_data:
_logger.debug("No inline image data")
return False
image = StringIO(image_data)
else:
_logger.debug("Image get from file %s", node.get('file'))
image = _open_image(node.get('file'), path=self.doc.path)
return platypus.Image(image, mask=(250,255,250,255,250,255), **(utils.attr_get(node, ['width','height'])))
elif node.tag=='spacer':
if node.get('width'):
width = utils.unit_get(node.get('width'))
else:
width = utils.unit_get('1cm')
length = utils.unit_get(node.get('length'))
return platypus.Spacer(width=width, height=length)
elif node.tag=='section':
return self.render(node)
elif node.tag == 'pageNumberReset':
return PageReset()
elif node.tag in ('pageBreak', 'nextPage'):
return platypus.PageBreak()
elif node.tag=='condPageBreak':
return platypus.CondPageBreak(**(utils.attr_get(node, ['height'])))
elif node.tag=='setNextTemplate':
return platypus.NextPageTemplate(str(node.get('name')))
elif node.tag=='nextFrame':
return platypus.CondPageBreak(1000) # TODO: change the 1000 !
elif node.tag == 'setNextFrame':
from reportlab.platypus.doctemplate import NextFrameFlowable
return NextFrameFlowable(str(node.get('name')))
elif node.tag == 'currentFrame':
from reportlab.platypus.doctemplate import CurrentFrameFlowable
return CurrentFrameFlowable(str(node.get('name')))
elif node.tag == 'frameEnd':
return EndFrameFlowable()
elif node.tag == 'hr':
width_hr=node.get('width') or '100%'
color_hr=node.get('color') or 'black'
thickness_hr=node.get('thickness') or 1
lineCap_hr=node.get('lineCap') or 'round'
return platypus.flowables.HRFlowable(width=width_hr,color=color.get(color_hr),thickness=float(thickness_hr),lineCap=str(lineCap_hr))
else:
sys.stderr.write('Warning: flowable not yet implemented: %s !\n' % (node.tag,))
return None
def createBarCodes():
"""
Create barcode examples and embed in a PDF
"""
c = canvas.Canvas("barcodes.pdf", pagesize=letter)
barcode_value = [
'0004-0000000001',
'0004-0000000002',
'0004-0000000003',
'0004-0000000004',
'0004-0000000005',
'0004-0000000013',
'0004-0000000028',
'0004-0000000029',
'0004-0000000030',
'0004-0000000031',
]
#barcode_value = "1234567890"
barcode_value = "0004-0000000001"
barcode39 = code39.Extended39(barcode_value, humanReadable=True)
barcode39Std = code39.Standard39(barcode_value,
barHeight=20,
stop=1,
humanReadable=True)
# code93 also has an Extended and MultiWidth version
barcode93 = code93.Standard93(barcode_value, humanReadable=True)
barcode128 = code128.Code128(barcode_value, humanReadable=True)
# the multiwidth barcode appears to be broken
#barcode128Multi = code128.MultiWidthBarcode(barcode_value)
barcode_usps = usps.POSTNET("50158-9999")
codes = [barcode39, barcode39Std, barcode93, barcode128, barcode_usps]
x = 1 * mm
y = 285 * mm
x1 = 6.4 * mm
for code in codes:
code.drawOn(c, x, y)
y = y - 15 * mm
# draw the eanbc8 code
"""
barcode_eanbc8 = eanbc.Ean8BarcodeWidget(barcode_value)
bounds = barcode_eanbc8.getBounds()
width = bounds[2] - bounds[0]
height = bounds[3] - bounds[1]
d = Drawing(50, 10)
d.add(barcode_eanbc8)
renderPDF.draw(d, c, 15, 555)
"""
# draw the eanbc13 code
"""
barcode_eanbc13 = eanbc.Ean13BarcodeWidget(barcode_value)
bounds = barcode_eanbc13.getBounds()
width = bounds[2] - bounds[0]
height = bounds[3] - bounds[1]
d = Drawing(50, 10)
d.add(barcode_eanbc13)
renderPDF.draw(d, c, 15, 465)
"""
c.save()