673 lines
26 KiB
Python
Executable File
673 lines
26 KiB
Python
Executable File
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# trml2pdf - An RML to PDF converter
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# Copyright (C) 2003, Fabien Pinckaers, UCL, FSA
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# Contributors
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# Richard Waid <richard@iopen.net>
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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import sys
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import StringIO
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import xml.dom.minidom
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import copy
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import reportlab
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from reportlab.pdfgen import canvas
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from reportlab import platypus
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import utils
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import color
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import os
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#
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# Change this to UTF-8 if you plan tu use Reportlab's UTF-8 support
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#
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# reportlab use "code page 1252" encoding by default. cfr reportlab user guide p.46
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encoding = 'cp1252'
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def str2xml(s):
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return s.replace('&', '&').replace('<', '<').replace('>', '>')
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def _child_get(node, childs):
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clds = []
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for n in node.childNodes:
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if (n.nodeType==n.ELEMENT_NODE) and (n.localName==childs):
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clds.append(n)
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return clds
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class _rml_styles(object):
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def __init__(self, nodes):
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self.styles = {}
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self.names = {}
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self.table_styles = {}
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for node in nodes:
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for style in node.getElementsByTagName('blockTableStyle'):
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self.table_styles[style.getAttribute('id')] = self._table_style_get(style)
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for style in node.getElementsByTagName('paraStyle'):
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self.styles[style.getAttribute('name')] = self._para_style_get(style)
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for variable in node.getElementsByTagName('initialize'):
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for name in variable.getElementsByTagName('name'):
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self.names[ name.getAttribute('id')] = name.getAttribute('value')
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def _para_style_update(self, style, node):
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for attr in ['textColor', 'backColor', 'bulletColor']:
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if node.hasAttribute(attr):
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style.__dict__[attr] = color.get(node.getAttribute(attr))
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for attr in ['fontName', 'bulletFontName', 'bulletText']:
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if node.hasAttribute(attr):
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style.__dict__[attr] = node.getAttribute(attr)
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for attr in ['fontSize', 'leftIndent', 'rightIndent', 'spaceBefore', 'spaceAfter', 'firstLineIndent', 'bulletIndent', 'bulletFontSize', 'leading']:
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if node.hasAttribute(attr):
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style.__dict__[attr] = utils.unit_get(node.getAttribute(attr))
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if node.hasAttribute('alignment'):
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align = {
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'right':reportlab.lib.enums.TA_RIGHT,
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'center':reportlab.lib.enums.TA_CENTER,
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'justify':reportlab.lib.enums.TA_JUSTIFY
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}
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style.alignment = align.get(node.getAttribute('alignment').lower(), reportlab.lib.enums.TA_LEFT)
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return style
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def _table_style_get(self, style_node):
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styles = []
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for node in style_node.childNodes:
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if node.nodeType==node.ELEMENT_NODE:
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start = utils.tuple_int_get(node, 'start', (0,0) )
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stop = utils.tuple_int_get(node, 'stop', (-1,-1) )
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if node.localName=='blockValign':
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styles.append(('VALIGN', start, stop, str(node.getAttribute('value'))))
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elif node.localName=='blockFont':
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styles.append(('FONT', start, stop, str(node.getAttribute('name'))))
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elif node.localName=='blockTextColor':
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styles.append(('TEXTCOLOR', start, stop, color.get(str(node.getAttribute('colorName')))))
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elif node.localName=='blockLeading':
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styles.append(('LEADING', start, stop, utils.unit_get(node.getAttribute('length'))))
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elif node.localName=='blockAlignment':
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styles.append(('ALIGNMENT', start, stop, str(node.getAttribute('value'))))
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elif node.localName=='blockLeftPadding':
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styles.append(('LEFTPADDING', start, stop, utils.unit_get(node.getAttribute('length'))))
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elif node.localName=='blockRightPadding':
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styles.append(('RIGHTPADDING', start, stop, utils.unit_get(node.getAttribute('length'))))
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elif node.localName=='blockTopPadding':
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styles.append(('TOPPADDING', start, stop, utils.unit_get(node.getAttribute('length'))))
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elif node.localName=='blockBottomPadding':
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styles.append(('BOTTOMPADDING', start, stop, utils.unit_get(node.getAttribute('length'))))
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elif node.localName=='blockBackground':
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styles.append(('BACKGROUND', start, stop, color.get(node.getAttribute('colorName'))))
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if node.hasAttribute('size'):
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styles.append(('FONTSIZE', start, stop, utils.unit_get(node.getAttribute('size'))))
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elif node.localName=='lineStyle':
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kind = node.getAttribute('kind')
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kind_list = [ 'GRID', 'BOX', 'OUTLINE', 'INNERGRID', 'LINEBELOW', 'LINEABOVE','LINEBEFORE', 'LINEAFTER' ]
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assert kind in kind_list
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thick = 1
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if node.hasAttribute('thickness'):
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thick = float(node.getAttribute('thickness'))
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styles.append((kind, start, stop, thick, color.get(node.getAttribute('colorName'))))
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return platypus.tables.TableStyle(styles)
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def _para_style_get(self, node):
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styles = reportlab.lib.styles.getSampleStyleSheet()
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style = copy.deepcopy(styles["Normal"])
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self._para_style_update(style, node)
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return style
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def para_style_get(self, node):
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style = False
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if node.hasAttribute('style'):
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if node.getAttribute('style') in self.styles:
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style = copy.deepcopy(self.styles[node.getAttribute('style')])
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else:
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sys.stderr.write('Warning: style not found, %s - setting default!\n' % (node.getAttribute('style'),) )
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if not style:
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styles = reportlab.lib.styles.getSampleStyleSheet()
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style = copy.deepcopy(styles['Normal'])
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return self._para_style_update(style, node)
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class _rml_doc(object):
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def __init__(self, data, images={}, path='.'):
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self.dom = xml.dom.minidom.parseString(data)
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self.filename = self.dom.documentElement.getAttribute('filename')
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self.images = images
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self.path = path
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def docinit(self, els):
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from reportlab.lib.fonts import addMapping
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from reportlab.pdfbase import pdfmetrics
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from reportlab.pdfbase.ttfonts import TTFont
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for node in els:
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for font in node.getElementsByTagName('registerFont'):
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name = font.getAttribute('fontName').encode('ascii')
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fname = font.getAttribute('fontFile').encode('ascii')
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pdfmetrics.registerFont(TTFont(name, fname ))
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addMapping(name, 0, 0, name) #normal
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addMapping(name, 0, 1, name) #italic
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addMapping(name, 1, 0, name) #bold
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addMapping(name, 1, 1, name) #italic and bold
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def render(self, out):
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el = self.dom.documentElement.getElementsByTagName('docinit')
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if el:
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self.docinit(el)
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el = self.dom.documentElement.getElementsByTagName('stylesheet')
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self.styles = _rml_styles(el)
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el = self.dom.documentElement.getElementsByTagName('template')
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if len(el):
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pt_obj = _rml_template(out, el[0], self, images=self.images, path=self.path)
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pt_obj.render(self.dom.documentElement.getElementsByTagName('story'))
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else:
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self.canvas = canvas.Canvas(out)
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pd = self.dom.documentElement.getElementsByTagName('pageDrawing')[0]
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pd_obj = _rml_canvas(self.canvas, None, self, self.images, path=self.path)
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pd_obj.render(pd)
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self.canvas.showPage()
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self.canvas.save()
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class _rml_canvas(object):
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def __init__(self, canvas, doc_tmpl=None, doc=None, images={}, path='.'):
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self.canvas = canvas
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self.styles = doc.styles
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self.doc_tmpl = doc_tmpl
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self.doc = doc
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self.images = images
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self.path = path
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def _textual(self, node):
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rc = ''
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for n in node.childNodes:
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if n.nodeType == n.ELEMENT_NODE:
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if n.localName == 'pageNumber':
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rc += str(self.canvas.getPageNumber())
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elif n.nodeType in (node.CDATA_SECTION_NODE, node.TEXT_NODE):
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# this doesn't need to be "entities" encoded like flowables need to
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rc += n.data
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return rc.encode(encoding, 'replace')
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def _drawString(self, node):
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self.canvas.drawString(text=self._textual(node), **utils.attr_get(node, ['x','y']))
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def _drawCenteredString(self, node):
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self.canvas.drawCentredString(text=self._textual(node), **utils.attr_get(node, ['x','y']))
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def _drawRightString(self, node):
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self.canvas.drawRightString(text=self._textual(node), **utils.attr_get(node, ['x','y']))
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def _rect(self, node):
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if node.hasAttribute('round'):
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self.canvas.roundRect(radius=utils.unit_get(node.getAttribute('round')), **utils.attr_get(node, ['x','y','width','height'], {'fill':'bool','stroke':'bool'}))
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else:
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self.canvas.rect(**utils.attr_get(node, ['x','y','width','height'], {'fill':'bool','stroke':'bool'}))
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def _ellipse(self, node):
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x1 = utils.unit_get(node.getAttribute('x'))
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x2 = utils.unit_get(node.getAttribute('width'))
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y1 = utils.unit_get(node.getAttribute('y'))
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y2 = utils.unit_get(node.getAttribute('height'))
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self.canvas.ellipse(x1,y1,x2,y2, **utils.attr_get(node, [], {'fill':'bool','stroke':'bool'}))
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def _curves(self, node):
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line_str = utils.text_get(node).split()
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lines = []
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while len(line_str)>7:
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self.canvas.bezier(*[utils.unit_get(l) for l in line_str[0:8]])
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line_str = line_str[8:]
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def _lines(self, node):
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line_str = utils.text_get(node).split()
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lines = []
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while len(line_str)>3:
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lines.append([utils.unit_get(l) for l in line_str[0:4]])
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line_str = line_str[4:]
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self.canvas.lines(lines)
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def _grid(self, node):
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xlist = [utils.unit_get(s) for s in node.getAttribute('xs').split(',')]
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ylist = [utils.unit_get(s) for s in node.getAttribute('ys').split(',')]
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self.canvas.grid(xlist, ylist)
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def _translate(self, node):
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dx = 0
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dy = 0
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if node.hasAttribute('dx'):
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dx = utils.unit_get(node.getAttribute('dx'))
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if node.hasAttribute('dy'):
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dy = utils.unit_get(node.getAttribute('dy'))
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self.canvas.translate(dx,dy)
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def _circle(self, node):
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self.canvas.circle(x_cen=utils.unit_get(node.getAttribute('x')), y_cen=utils.unit_get(node.getAttribute('y')), r=utils.unit_get(node.getAttribute('radius')), **utils.attr_get(node, [], {'fill':'bool','stroke':'bool'}))
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def _place(self, node):
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flows = _rml_flowable(self.doc, images=self.images, path=self.path).render(node)
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infos = utils.attr_get(node, ['x','y','width','height'])
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infos['y']+=infos['height']
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for flow in flows:
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w,h = flow.wrap(infos['width'], infos['height'])
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if w<=infos['width'] and h<=infos['height']:
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infos['y']-=h
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flow.drawOn(self.canvas,infos['x'],infos['y'])
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infos['height']-=h
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else:
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raise ValueError, "Not enough space"
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def _line_mode(self, node):
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ljoin = {'round':1, 'mitered':0, 'bevelled':2}
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lcap = {'default':0, 'round':1, 'square':2}
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if node.hasAttribute('width'):
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self.canvas.setLineWidth(utils.unit_get(node.getAttribute('width')))
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if node.hasAttribute('join'):
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self.canvas.setLineJoin(ljoin[node.getAttribute('join')])
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if node.hasAttribute('cap'):
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self.canvas.setLineCap(lcap[node.getAttribute('cap')])
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if node.hasAttribute('miterLimit'):
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self.canvas.setDash(utils.unit_get(node.getAttribute('miterLimit')))
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if node.hasAttribute('dash'):
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dashes = node.getAttribute('dash').split(',')
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for x in range(len(dashes)):
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dashes[x]=utils.unit_get(dashes[x])
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self.canvas.setDash(node.getAttribute('dash').split(','))
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def _image(self, node):
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import urllib
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from reportlab.lib.utils import ImageReader
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if not node.hasAttribute('file'):
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s = self.images[node.getAttribute('name')]
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else:
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try:
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u = urllib.urlopen(str(node.getAttribute('file')))
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s = StringIO.StringIO(u.read())
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except:
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u = file(os.path.join(self.path,str(node.getAttribute('file'))), 'rb')
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s = StringIO.StringIO(u.read())
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img = ImageReader(s)
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(sx,sy) = img.getSize()
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args = {}
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for tag in ('width','height','x','y'):
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if node.hasAttribute(tag):
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args[tag] = utils.unit_get(node.getAttribute(tag))
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if ('width' in args) and (not 'height' in args):
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args['height'] = sy * args['width'] / sx
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elif ('height' in args) and (not 'width' in args):
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args['width'] = sx * args['height'] / sy
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elif ('width' in args) and ('height' in args):
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if (float(args['width'])/args['height'])>(float(sx)>sy):
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args['width'] = sx * args['height'] / sy
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else:
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args['height'] = sy * args['width'] / sx
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self.canvas.drawImage(img, **args)
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def _path(self, node):
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self.path = self.canvas.beginPath()
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self.path.moveTo(**utils.attr_get(node, ['x','y']))
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for n in node.childNodes:
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if n.nodeType == node.ELEMENT_NODE:
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if n.localName=='moveto':
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vals = utils.text_get(n).split()
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self.path.moveTo(utils.unit_get(vals[0]), utils.unit_get(vals[1]))
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elif n.localName=='curvesto':
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vals = utils.text_get(n).split()
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while len(vals)>5:
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pos=[]
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while len(pos)<6:
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pos.append(utils.unit_get(vals.pop(0)))
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self.path.curveTo(*pos)
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elif (n.nodeType == node.TEXT_NODE):
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data = n.data.split() # Not sure if I must merge all TEXT_NODE ?
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while len(data)>1:
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x = utils.unit_get(data.pop(0))
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y = utils.unit_get(data.pop(0))
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self.path.lineTo(x,y)
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if (not node.hasAttribute('close')) or utils.bool_get(node.getAttribute('close')):
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self.path.close()
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self.canvas.drawPath(self.path, **utils.attr_get(node, [], {'fill':'bool','stroke':'bool'}))
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def render(self, node):
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tags = {
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'drawCentredString': self._drawCenteredString,
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'drawRightString': self._drawRightString,
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'drawString': self._drawString,
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'rect': self._rect,
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'ellipse': self._ellipse,
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'lines': self._lines,
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'grid': self._grid,
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'curves': self._curves,
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'fill': lambda node: self.canvas.setFillColor(color.get(node.getAttribute('color'))),
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'stroke': lambda node: self.canvas.setStrokeColor(color.get(node.getAttribute('color'))),
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'setFont': lambda node: self.canvas.setFont(node.getAttribute('name'), utils.unit_get(node.getAttribute('size'))),
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'place': self._place,
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'circle': self._circle,
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'lineMode': self._line_mode,
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'path': self._path,
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'rotate': lambda node: self.canvas.rotate(float(node.getAttribute('degrees'))),
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'translate': self._translate,
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'image': self._image
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}
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for nd in node.childNodes:
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if nd.nodeType==nd.ELEMENT_NODE:
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for tag in tags:
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if nd.localName==tag:
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tags[tag](nd)
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break
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class _rml_draw(object):
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def __init__(self, node, styles, images={}, path='.'):
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self.node = node
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self.styles = styles
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self.canvas = None
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self.images = images
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self.path = path
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def render(self, canvas, doc):
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canvas.saveState()
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cnv = _rml_canvas(canvas, doc, self.styles, images=self.images, path=self.path)
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cnv.render(self.node)
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canvas.restoreState()
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class _rml_flowable(object):
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def __init__(self, doc, images={}, path='.'):
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self.doc = doc
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self.styles = doc.styles
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self.images = images
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self.path = path
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def _textual(self, node):
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rc = ''
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for n in node.childNodes:
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if n.nodeType == node.ELEMENT_NODE:
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if n.localName == 'getName':
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newNode = self.doc.dom.createTextNode(self.styles.names.get(n.getAttribute('id'),'Unknown name'))
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node.insertBefore(newNode, n)
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node.removeChild(n)
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elif n.localName == 'pageNumber':
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rc += '<pageNumber/>' # TODO: change this !
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else:
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#CHECKME: I wonder if this is useful since we don't stock the result. Maybe for the getName tag?
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self._textual(n)
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rc += n.toxml()
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elif n.nodeType in (node.CDATA_SECTION_NODE, node.TEXT_NODE):
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rc += str2xml(n.data)
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return rc.encode(encoding, 'replace')
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def _table(self, node):
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length = 0
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colwidths = None
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rowheights = None
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data = []
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childs = _child_get(node,'tr')
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if not childs:
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return None
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for tr in childs:
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data2 = []
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for td in _child_get(tr, 'td'):
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flow = []
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for n in td.childNodes:
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if n.nodeType==node.ELEMENT_NODE:
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flow.append( self._flowable(n) )
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if not len(flow):
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flow = self._textual(td)
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data2.append( flow )
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if len(data2)>length:
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length=len(data2)
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for ab in data:
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while len(ab)<length:
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ab.append('')
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while len(data2)<length:
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data2.append('')
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data.append( data2 )
|
|
if node.hasAttribute('colWidths'):
|
|
assert length == len(node.getAttribute('colWidths').split(','))
|
|
colwidths = [utils.unit_get(f.strip()) for f in node.getAttribute('colWidths').split(',')]
|
|
if node.hasAttribute('rowHeights'):
|
|
rowheights = [utils.unit_get(f.strip()) for f in node.getAttribute('rowHeights').split(',')]
|
|
table = platypus.Table(data = data, colWidths=colwidths, rowHeights=rowheights, **(utils.attr_get(node, ['splitByRow'] ,{'repeatRows':'int','repeatCols':'int'})))
|
|
if node.hasAttribute('style'):
|
|
table.setStyle(self.styles.table_styles[node.getAttribute('style')])
|
|
return table
|
|
|
|
def _illustration(self, node):
|
|
class Illustration(platypus.flowables.Flowable):
|
|
def __init__(self, node, styles, self2):
|
|
self.node = node
|
|
self.styles = styles
|
|
self.width = utils.unit_get(node.getAttribute('width'))
|
|
self.height = utils.unit_get(node.getAttribute('height'))
|
|
self.self2 = self2
|
|
def wrap(self, *args):
|
|
return (self.width, self.height)
|
|
def draw(self):
|
|
canvas = self.canv
|
|
drw = _rml_draw(self.node, self.styles, images=self.self2.images, path=self.self2.path)
|
|
drw.render(self.canv, None)
|
|
return Illustration(node, self.styles, self)
|
|
|
|
def _flowable(self, node):
|
|
if node.localName=='para':
|
|
style = self.styles.para_style_get(node)
|
|
return platypus.Paragraph(self._textual(node), style, **(utils.attr_get(node, [], {'bulletText':'str'})))
|
|
elif node.localName=='barCode':
|
|
try:
|
|
from reportlab.extensions.barcode import code128
|
|
from reportlab.extensions.barcode import code39
|
|
from reportlab.extensions.barcode import code93
|
|
from reportlab.extensions.barcode import common
|
|
from reportlab.extensions.barcode import fourstate
|
|
from reportlab.extensions.barcode import usps
|
|
except Exception, e:
|
|
print 'Warning: Reportlab barcode extension not installed !'
|
|
return None
|
|
args = utils.attr_get(node, [], {'ratio':'float','xdim':'unit','height':'unit','checksum':'bool','quiet':'bool'})
|
|
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),
|
|
'i2of5': lambda x: common.I2of5(x, **args),
|
|
'extended39': lambda x: code39.Extended39(x, **args),
|
|
'extended93': lambda x: code93.Extended93(x, **args),
|
|
'msi': lambda x: common.MSI(x, **args),
|
|
'fim': lambda x: usps.FIM(x, **args),
|
|
'postnet': lambda x: usps.POSTNET(x, **args),
|
|
}
|
|
code = 'code128'
|
|
if node.hasAttribute('code'):
|
|
code = node.getAttribute('code').lower()
|
|
return codes[code](self._textual(node))
|
|
elif node.localName=='name':
|
|
self.styles.names[ node.getAttribute('id')] = node.getAttribute('value')
|
|
return None
|
|
elif node.localName=='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.localName=='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.localName=='illustration':
|
|
return self._illustration(node)
|
|
elif node.localName=='blockTable':
|
|
return self._table(node)
|
|
elif node.localName=='title':
|
|
styles = reportlab.lib.styles.getSampleStyleSheet()
|
|
style = styles['Title']
|
|
return platypus.Paragraph(self._textual(node), style, **(utils.attr_get(node, [], {'bulletText':'str'})))
|
|
elif node.localName=='h1':
|
|
styles = reportlab.lib.styles.getSampleStyleSheet()
|
|
style = styles['Heading1']
|
|
return platypus.Paragraph(self._textual(node), style, **(utils.attr_get(node, [], {'bulletText':'str'})))
|
|
elif node.localName=='h2':
|
|
styles = reportlab.lib.styles.getSampleStyleSheet()
|
|
style = styles['Heading2']
|
|
return platypus.Paragraph(self._textual(node), style, **(utils.attr_get(node, [], {'bulletText':'str'})))
|
|
elif node.localName=='h3':
|
|
styles = reportlab.lib.styles.getSampleStyleSheet()
|
|
style = styles['Heading3']
|
|
return platypus.Paragraph(self._textual(node), style, **(utils.attr_get(node, [], {'bulletText':'str'})))
|
|
elif node.localName=='image':
|
|
if not node.hasAttribute('file'):
|
|
name = '/tmp/image_%d.jpg' % (int(node.getAttribute('name')),)
|
|
file(name,'wb+').write( self.doc.images[node.getAttribute('name')].read() )
|
|
return platypus.Image(name, mask=(250,255,250,255,250,255), **(utils.attr_get(node, ['width','height'])))
|
|
else:
|
|
return platypus.Image(node.getAttribute('file'), mask=(250,255,250,255,250,255), **(utils.attr_get(node, ['width','height'])))
|
|
|
|
from reportlab.lib.utils import ImageReader
|
|
name = str(node.getAttribute('file'))
|
|
img = ImageReader(name)
|
|
(sx,sy) = img.getSize()
|
|
|
|
args = {}
|
|
for tag in ('width','height'):
|
|
if node.hasAttribute(tag):
|
|
args[tag] = utils.unit_get(node.getAttribute(tag))
|
|
if ('width' in args) and (not 'height' in args):
|
|
args['height'] = sy * args['width'] / sx
|
|
elif ('height' in args) and (not 'width' in args):
|
|
args['width'] = sx * args['height'] / sy
|
|
elif ('width' in args) and ('height' in args):
|
|
if (float(args['width'])/args['height'])>(float(sx)>sy):
|
|
args['width'] = sx * args['height'] / sy
|
|
else:
|
|
args['height'] = sy * args['width'] / sx
|
|
return platypus.Image(name, mask=(250,255,250,255,250,255), **args)
|
|
elif node.localName=='spacer':
|
|
if node.hasAttribute('width'):
|
|
width = utils.unit_get(node.getAttribute('width'))
|
|
else:
|
|
width = utils.unit_get('1cm')
|
|
length = utils.unit_get(node.getAttribute('length'))
|
|
return platypus.Spacer(width=width, height=length)
|
|
elif node.localName=='section':
|
|
return self.render(node)
|
|
elif node.localName in ('pageBreak', 'nextPage'):
|
|
return platypus.PageBreak()
|
|
elif node.localName=='condPageBreak':
|
|
return platypus.CondPageBreak(**(utils.attr_get(node, ['height'])))
|
|
elif node.localName=='setNextTemplate':
|
|
return platypus.NextPageTemplate(str(node.getAttribute('name')))
|
|
elif node.localName=='nextFrame':
|
|
return platypus.CondPageBreak(1000) # TODO: change the 1000 !
|
|
elif node.localName == 'currentFrame':
|
|
#return platypus.CondPageBreak(1000) # TODO: change the 1000 !
|
|
from reportlab.platypus.doctemplate import CurrentFrameFlowable
|
|
return CurrentFrameFlowable(str(node.getAttribute('name')))
|
|
elif node.localName == 'frameEnd':
|
|
return False
|
|
return EndFrameFlowable()
|
|
else:
|
|
sys.stderr.write('Warning: flowable not yet implemented: %s !\n' % (node.localName,))
|
|
return None
|
|
|
|
def render(self, node_story):
|
|
story = []
|
|
node = node_story.firstChild
|
|
while node:
|
|
if node.nodeType == node.ELEMENT_NODE:
|
|
flow = self._flowable(node)
|
|
if flow:
|
|
if type(flow) == type([]):
|
|
story = story + flow
|
|
else:
|
|
story.append(flow)
|
|
node = node.nextSibling
|
|
return story
|
|
|
|
from reportlab.platypus.doctemplate import ActionFlowable
|
|
|
|
class EndFrameFlowable(ActionFlowable):
|
|
def __init__(self,resume=0):
|
|
ActionFlowable.__init__(self,('frameEnd',resume))
|
|
|
|
class TinyDocTemplate(platypus.BaseDocTemplate):
|
|
|
|
def handle_pageBegin(self):
|
|
self.page = self.page + 1
|
|
self.pageTemplate.beforeDrawPage(self.canv,self)
|
|
self.pageTemplate.checkPageSize(self.canv,self)
|
|
self.pageTemplate.onPage(self.canv,self)
|
|
for f in self.pageTemplate.frames: f._reset()
|
|
self.beforePage()
|
|
#keep a count of flowables added to this page. zero indicates bad stuff
|
|
self._curPageFlowableCount = 0
|
|
if hasattr(self,'_nextFrameIndex'):
|
|
del self._nextFrameIndex
|
|
for f in self.pageTemplate.frames:
|
|
if f.id == 'first':
|
|
self.frame = f
|
|
break
|
|
self.handle_frameBegin()
|
|
|
|
class _rml_template(object):
|
|
def __init__(self, out, node, doc, images={}, path='.'):
|
|
self.images= images
|
|
self.path = path
|
|
if not node.hasAttribute('pageSize'):
|
|
pageSize = (utils.unit_get('21cm'), utils.unit_get('29.7cm'))
|
|
else:
|
|
ps = map(lambda x:x.strip(), node.getAttribute('pageSize').replace(')', '').replace('(', '').split(','))
|
|
pageSize = ( utils.unit_get(ps[0]),utils.unit_get(ps[1]) )
|
|
cm = reportlab.lib.units.cm
|
|
self.doc_tmpl = TinyDocTemplate(out, pagesize=pageSize, **utils.attr_get(node, ['leftMargin','rightMargin','topMargin','bottomMargin'], {'allowSplitting':'int','showBoundary':'bool','title':'str','author':'str'}))
|
|
self.page_templates = []
|
|
self.styles = doc.styles
|
|
self.doc = doc
|
|
pts = node.getElementsByTagName('pageTemplate')
|
|
for pt in pts:
|
|
frames = []
|
|
for frame_el in pt.getElementsByTagName('frame'):
|
|
frame = platypus.Frame( **(utils.attr_get(frame_el, ['x1','y1', 'width','height', 'leftPadding', 'rightPadding', 'bottomPadding', 'topPadding'], {'id':'str', 'showBoundary':'bool'})) )
|
|
frames.append( frame )
|
|
gr = pt.getElementsByTagName('pageGraphics')
|
|
if len(gr):
|
|
drw = _rml_draw(gr[0], self.doc, images=images)
|
|
self.page_templates.append( platypus.PageTemplate(frames=frames, onPage=drw.render, **utils.attr_get(pt, [], {'id':'str'}) ))
|
|
else:
|
|
self.page_templates.append( platypus.PageTemplate(frames=frames, **utils.attr_get(pt, [], {'id':'str'}) ))
|
|
self.doc_tmpl.addPageTemplates(self.page_templates)
|
|
|
|
def render(self, node_stories):
|
|
fis = []
|
|
r = _rml_flowable(self.doc,images=self.images, path=self.path)
|
|
for node_story in node_stories:
|
|
fis += r.render(node_story)
|
|
fis.append(platypus.PageBreak())
|
|
self.doc_tmpl.build(fis)
|
|
|
|
def parseString(data, fout=None, images={}, path='.'):
|
|
r = _rml_doc(data, images, path)
|
|
if fout:
|
|
fp = file(fout,'wb')
|
|
r.render(fp)
|
|
fp.close()
|
|
return fout
|
|
else:
|
|
fp = StringIO.StringIO()
|
|
r.render(fp)
|
|
return fp.getvalue()
|
|
|
|
def trml2pdf_help():
|
|
print 'Usage: trml2pdf input.rml >output.pdf'
|
|
print 'Render the standard input (RML) and output a PDF file'
|
|
sys.exit(0)
|
|
|
|
if __name__=="__main__":
|
|
if len(sys.argv)>1:
|
|
if sys.argv[1]=='--help':
|
|
trml2pdf_help()
|
|
print parseString(file(sys.argv[1], 'r').read()),
|
|
else:
|
|
print 'Usage: trml2pdf input.rml >output.pdf'
|
|
print 'Try \'trml2pdf --help\' for more information.'
|