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()