1044 lines
43 KiB
Python
1044 lines
43 KiB
Python
# -*- encoding: utf-8 -*-
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##############################################################################
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#
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# Copyright (c) 2013 ZestyBeanz Technologies Pvt. Ltd.
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# (http://wwww.zbeanztech.com)
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# contact@zbeanztech.com
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# prajul@zbeanztech.com
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program 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
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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##############################################################################
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import sys
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import copy
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import reportlab
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import re
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from reportlab.pdfgen import canvas
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from reportlab import platypus
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from openerp.report.render.rml2pdf import utils
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from openerp.report.render.rml2pdf import color
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import os
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import logging
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from lxml import etree
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import base64
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from reportlab.platypus.doctemplate import ActionFlowable
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from openerp.tools.safe_eval import safe_eval as eval
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from reportlab.lib.units import inch,cm,mm
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from openerp.tools.misc import file_open
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from reportlab.pdfbase import pdfmetrics
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from reportlab.lib.pagesizes import A4, letter
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try:
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from cStringIO import StringIO
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_hush_pyflakes = [ StringIO ]
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except ImportError:
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from StringIO import StringIO
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_logger = logging.getLogger(__name__)
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encoding = 'utf-8'
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def _open_image(filename, path=None):
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"""Attempt to open a binary file and return the descriptor
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"""
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if os.path.isfile(filename):
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return open(filename, 'rb')
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for p in (path or []):
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if p and os.path.isabs(p):
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fullpath = os.path.join(p, filename)
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if os.path.isfile(fullpath):
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return open(fullpath, 'rb')
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try:
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if p:
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fullpath = os.path.join(p, filename)
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else:
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fullpath = filename
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return file_open(fullpath)
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except IOError:
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pass
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raise IOError("File %s cannot be found in image path" % filename)
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class NumberedCanvas(canvas.Canvas):
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def __init__(self, *args, **kwargs):
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canvas.Canvas.__init__(self, *args, **kwargs)
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self._codes = []
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self._flag=False
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self._pageCount=0
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self._currentPage =0
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self._pageCounter=0
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self.pages={}
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def showPage(self):
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self._currentPage +=1
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if not self._flag:
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self._pageCount += 1
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else:
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self.pages.update({self._currentPage:self._pageCount})
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self._codes.append({'code': self._code, 'stack': self._codeStack})
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self._startPage()
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self._flag=False
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def pageCount(self):
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if self.pages.get(self._pageCounter,False):
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self._pageNumber=0
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self._pageCounter +=1
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key=self._pageCounter
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if not self.pages.get(key,False):
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while not self.pages.get(key,False):
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key += 1
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self.setFont("Helvetica", 8)
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self.drawRightString((self._pagesize[0]-30), (self._pagesize[1]-40),
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" %(this)i / %(total)i" % {
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'this': self._pageNumber+1,
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'total': self.pages.get(key,False),
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}
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)
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def save(self):
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"""add page info to each page (page x of y)"""
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# reset page counter
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self._pageNumber = 0
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for code in self._codes:
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self._code = code['code']
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self._codeStack = code['stack']
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self.pageCount()
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canvas.Canvas.showPage(self)
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# self.restoreState()
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self._doc.SaveToFile(self._filename, self)
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class PageCount(platypus.Flowable):
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def __init__(self, story_count=0):
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platypus.Flowable.__init__(self)
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self.story_count = story_count
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def draw(self):
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self.canv.beginForm("pageCount%d" % self.story_count)
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self.canv.setFont("Helvetica", utils.unit_get(str(8)))
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self.canv.drawString(0, 0, str(self.canv.getPageNumber()))
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self.canv.endForm()
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class PageReset(platypus.Flowable):
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def draw(self):
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self.canv._doPageReset = True
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class PageReset(platypus.Flowable):
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def draw(self):
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self.canv._doPageReset = True
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class _rml_styles(object,):
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def __init__(self, nodes, localcontext):
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self.localcontext = localcontext
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self.styles = {}
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self.styles_obj = {}
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self.names = {}
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self.table_styles = {}
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self.default_style = reportlab.lib.styles.getSampleStyleSheet()
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for node in nodes:
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for style in node.findall('blockTableStyle'):
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self.table_styles[style.get('id')] = self._table_style_get(style)
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for style in node.findall('paraStyle'):
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sname = style.get('name')
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self.styles[sname] = self._para_style_update(style)
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self.styles_obj[sname] = reportlab.lib.styles.ParagraphStyle(sname, self.default_style["Normal"], **self.styles[sname])
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for variable in node.findall('initialize'):
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for name in variable.findall('name'):
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self.names[ name.get('id')] = name.get('value')
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def _para_style_update(self, node):
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data = {}
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for attr in ['textColor', 'backColor', 'bulletColor', 'borderColor']:
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if node.get(attr):
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data[attr] = color.get(node.get(attr))
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for attr in ['fontName', 'bulletFontName', 'bulletText']:
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if node.get(attr):
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data[attr] = node.get(attr)
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for attr in ['fontSize', 'leftIndent', 'rightIndent', 'spaceBefore', 'spaceAfter',
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'firstLineIndent', 'bulletIndent', 'bulletFontSize', 'leading',
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'borderWidth','borderPadding','borderRadius']:
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if node.get(attr):
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data[attr] = utils.unit_get(node.get(attr))
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if node.get('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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data['alignment'] = align.get(node.get('alignment').lower(), reportlab.lib.enums.TA_LEFT)
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return data
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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:
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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.tag=='blockValign':
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styles.append(('VALIGN', start, stop, str(node.get('value'))))
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elif node.tag=='blockFont':
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styles.append(('FONT', start, stop, str(node.get('name'))))
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elif node.tag=='blockTextColor':
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styles.append(('TEXTCOLOR', start, stop, color.get(str(node.get('colorName')))))
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elif node.tag=='blockLeading':
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styles.append(('LEADING', start, stop, utils.unit_get(node.get('length'))))
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elif node.tag=='blockAlignment':
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styles.append(('ALIGNMENT', start, stop, str(node.get('value'))))
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elif node.tag=='blockSpan':
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styles.append(('SPAN', start, stop))
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elif node.tag=='blockLeftPadding':
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styles.append(('LEFTPADDING', start, stop, utils.unit_get(node.get('length'))))
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elif node.tag=='blockRightPadding':
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styles.append(('RIGHTPADDING', start, stop, utils.unit_get(node.get('length'))))
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elif node.tag=='blockTopPadding':
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styles.append(('TOPPADDING', start, stop, utils.unit_get(node.get('length'))))
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elif node.tag=='blockBottomPadding':
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styles.append(('BOTTOMPADDING', start, stop, utils.unit_get(node.get('length'))))
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elif node.tag=='blockBackground':
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styles.append(('BACKGROUND', start, stop, color.get(node.get('colorName'))))
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if node.get('size'):
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styles.append(('FONTSIZE', start, stop, utils.unit_get(node.get('size'))))
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elif node.tag=='lineStyle':
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kind = node.get('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.get('thickness'):
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thick = float(node.get('thickness'))
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styles.append((kind, start, stop, thick, color.get(node.get('colorName'))))
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return platypus.tables.TableStyle(styles)
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def para_style_get(self, node):
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style = False
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sname = node.get('style')
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if sname:
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if sname in self.styles_obj:
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style = self.styles_obj[sname]
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else:
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_logger.warning('Warning: style not found, %s - setting default!\n' % (node.get('style'),) )
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if not style:
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style = self.default_style['Normal']
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para_update = self._para_style_update(node)
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if para_update:
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# update style only is necessary
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style = copy.deepcopy(style)
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style.__dict__.update(para_update)
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return style
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class _rml_doc(object):
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def __init__(self, node, localcontext=None, images=None, path='.', title=None):
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if images is None:
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images = {}
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if localcontext is None:
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localcontext = {}
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self.localcontext = localcontext
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self.etree = node
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self.filename = self.etree.get('filename')
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self.images = images
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self.path = path
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self.title = title
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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.findall('registerFont'):
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name = font.get('fontName').encode('ascii')
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fname = font.get('fontFile').encode('ascii')
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if name not in pdfmetrics._fonts:
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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 setTTFontMapping(self,face, fontname, filename, mode='all'):
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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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if fontname not in pdfmetrics._fonts:
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pdfmetrics.registerFont(TTFont(fontname, filename))
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if mode == 'all':
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addMapping(face, 0, 0, fontname) #normal
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addMapping(face, 0, 1, fontname) #italic
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addMapping(face, 1, 0, fontname) #bold
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addMapping(face, 1, 1, fontname) #italic and bold
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elif (mode== 'normal') or (mode == 'regular'):
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addMapping(face, 0, 0, fontname) #normal
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elif mode == 'italic':
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addMapping(face, 0, 1, fontname) #italic
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elif mode == 'bold':
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addMapping(face, 1, 0, fontname) #bold
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elif mode == 'bolditalic':
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addMapping(face, 1, 1, fontname) #italic and bold
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def _textual_image(self, node):
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rc = ''
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for n in node:
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rc +=( etree.tostring(n) or '') + n.tail
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return base64.decodestring(node.tostring())
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def _images(self, el):
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result = {}
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for node in el.findall('.//image'):
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rc =( node.text or '')
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result[node.get('name')] = base64.decodestring(rc)
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return result
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def render(self, out):
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el = self.etree.findall('.//docinit')
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if el:
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self.docinit(el)
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el = self.etree.findall('.//stylesheet')
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self.styles = _rml_styles(el,self.localcontext)
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el = self.etree.findall('.//images')
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if el:
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self.images.update( self._images(el[0]) )
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el = self.etree.findall('.//template')
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if len(el):
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pt_obj = _rml_template(self.localcontext, out, el[0], self, images=self.images, path=self.path, title=self.title)
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el = utils._child_get(self.etree, self, 'story')
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pt_obj.render(el)
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else:
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self.canvas = canvas.Canvas(out)
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pd = self.etree.find('pageDrawing')[0]
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pd_obj = _rml_canvas(self.canvas, self.localcontext, None, self, self.images, path=self.path, title=self.title)
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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, localcontext, doc_tmpl=None, doc=None, images=None, path='.', title=None):
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if images is None:
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images = {}
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self.localcontext = localcontext
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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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self.title = title
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if self.title:
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self.canvas.setTitle(self.title)
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def _textual(self, node, x=0, y=0):
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text = node.text and node.text.encode('utf-8') or ''
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rc = utils._process_text(self, text)
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for n in node:
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if n.tag == 'seq':
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from reportlab.lib.sequencer import getSequencer
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seq = getSequencer()
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rc += str(seq.next(n.get('id')))
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if n.tag == 'pageCount':
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if x or y:
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self.canvas.translate(x,y)
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self.canvas.doForm('pageCount%s' % (self.canvas._storyCount,))
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if x or y:
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self.canvas.translate(-x,-y)
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if n.tag == 'pageNumber':
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rc += str(self.canvas.getPageNumber())
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rc += utils._process_text(self, n.tail)
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return rc.replace('\n','')
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def _drawString(self, node):
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v = utils.attr_get(node, ['x','y'])
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text=self._textual(node, **v)
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text = utils.xml2str(text)
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self.canvas.drawString(text=text, **v)
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def _drawCenteredString(self, node):
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v = utils.attr_get(node, ['x','y'])
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text=self._textual(node, **v)
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text = utils.xml2str(text)
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self.canvas.drawCentredString(text=text, **v)
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def _drawRightString(self, node):
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v = utils.attr_get(node, ['x','y'])
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text=self._textual(node, **v)
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text = utils.xml2str(text)
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self.canvas.drawRightString(text=text, **v)
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def _rect(self, node):
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if node.get('round'):
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self.canvas.roundRect(radius=utils.unit_get(node.get('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.get('x'))
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x2 = utils.unit_get(node.get('width'))
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y1 = utils.unit_get(node.get('y'))
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y2 = utils.unit_get(node.get('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 = node.text.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 = node.text.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.get('xs').split(',')]
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ylist = [utils.unit_get(s) for s in node.get('ys').split(',')]
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self.canvas.grid(xlist, ylist)
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def _translate(self, node):
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dx = utils.unit_get(node.get('dx')) or 0
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dy = utils.unit_get(node.get('dy')) or 0
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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.get('x')), y_cen=utils.unit_get(node.get('y')), r=utils.unit_get(node.get('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, self.localcontext, images=self.images, path=self.path, title=self.title).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.get('width'):
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self.canvas.setLineWidth(utils.unit_get(node.get('width')))
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if node.get('join'):
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self.canvas.setLineJoin(ljoin[node.get('join')])
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if node.get('cap'):
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self.canvas.setLineCap(lcap[node.get('cap')])
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if node.get('miterLimit'):
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self.canvas.setDash(utils.unit_get(node.get('miterLimit')))
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if node.get('dash'):
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dashes = node.get('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.get('dash').split(','))
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|
|
|
def _image(self, node):
|
|
import urllib
|
|
import urlparse
|
|
from reportlab.lib.utils import ImageReader
|
|
nfile = node.get('file')
|
|
if not nfile:
|
|
if node.get('name'):
|
|
image_data = self.images[node.get('name')]
|
|
_logger.debug("Image %s used", node.get('name'))
|
|
s = StringIO(image_data)
|
|
else:
|
|
newtext = node.text
|
|
if self.localcontext:
|
|
res = utils._regex.findall(newtext)
|
|
for key in res:
|
|
newtext = eval(key, {}, self.localcontext) or ''
|
|
image_data = None
|
|
if newtext:
|
|
image_data = base64.decodestring(newtext)
|
|
if image_data:
|
|
s = StringIO(image_data)
|
|
else:
|
|
_logger.debug("No image data!")
|
|
return False
|
|
else:
|
|
if nfile in self.images:
|
|
s = StringIO(self.images[nfile])
|
|
else:
|
|
try:
|
|
up = urlparse.urlparse(str(nfile))
|
|
except ValueError:
|
|
up = False
|
|
if up and up.scheme:
|
|
# RFC: do we really want to open external URLs?
|
|
# Are we safe from cross-site scripting or attacks?
|
|
_logger.debug("Retrieve image from %s", nfile)
|
|
u = urllib.urlopen(str(nfile))
|
|
s = StringIO(u.read())
|
|
else:
|
|
_logger.debug("Open image file %s ", nfile)
|
|
s = _open_image(nfile, path=self.path)
|
|
try:
|
|
img = ImageReader(s)
|
|
(sx,sy) = img.getSize()
|
|
_logger.debug("Image is %dx%d", sx, sy)
|
|
args = { 'x': 0.0, 'y': 0.0, 'mask': 'auto'}
|
|
for tag in ('width','height','x','y'):
|
|
if node.get(tag):
|
|
args[tag] = utils.unit_get(node.get(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
|
|
self.canvas.drawImage(img, **args)
|
|
finally:
|
|
s.close()
|
|
# self.canvas._doc.SaveToFile(self.canvas._filename, self.canvas)
|
|
|
|
def _path(self, node):
|
|
self.path = self.canvas.beginPath()
|
|
self.path.moveTo(**utils.attr_get(node, ['x','y']))
|
|
for n in utils._child_get(node, self):
|
|
if not n.text :
|
|
if n.tag=='moveto':
|
|
vals = utils.text_get(n).split()
|
|
self.path.moveTo(utils.unit_get(vals[0]), utils.unit_get(vals[1]))
|
|
elif n.tag=='curvesto':
|
|
vals = utils.text_get(n).split()
|
|
while len(vals)>5:
|
|
pos=[]
|
|
while len(pos)<6:
|
|
pos.append(utils.unit_get(vals.pop(0)))
|
|
self.path.curveTo(*pos)
|
|
elif n.text:
|
|
data = n.text.split() # Not sure if I must merge all TEXT_NODE ?
|
|
while len(data)>1:
|
|
x = utils.unit_get(data.pop(0))
|
|
y = utils.unit_get(data.pop(0))
|
|
self.path.lineTo(x,y)
|
|
if (not node.get('close')) or utils.bool_get(node.get('close')):
|
|
self.path.close()
|
|
self.canvas.drawPath(self.path, **utils.attr_get(node, [], {'fill':'bool','stroke':'bool'}))
|
|
|
|
def setFont(self, node):
|
|
fontname = node.get('name')
|
|
if fontname not in pdfmetrics.getRegisteredFontNames()\
|
|
or fontname not in pdfmetrics.standardFonts:
|
|
# let reportlab attempt to find it
|
|
try:
|
|
pdfmetrics.getFont(fontname)
|
|
except Exception:
|
|
_logger.debug('Could not locate font %s, substituting default: %s',
|
|
fontname,
|
|
self.canvas._fontname)
|
|
fontname = self.canvas._fontname
|
|
return self.canvas.setFont(fontname, utils.unit_get(node.get('size')))
|
|
|
|
def render(self, node):
|
|
tags = {
|
|
'drawCentredString': self._drawCenteredString,
|
|
'drawRightString': self._drawRightString,
|
|
'drawString': self._drawString,
|
|
'rect': self._rect,
|
|
'ellipse': self._ellipse,
|
|
'lines': self._lines,
|
|
'grid': self._grid,
|
|
'curves': self._curves,
|
|
'fill': lambda node: self.canvas.setFillColor(color.get(node.get('color'))),
|
|
'stroke': lambda node: self.canvas.setStrokeColor(color.get(node.get('color'))),
|
|
'setFont': self.setFont ,
|
|
'place': self._place,
|
|
'circle': self._circle,
|
|
'lineMode': self._line_mode,
|
|
'path': self._path,
|
|
'rotate': lambda node: self.canvas.rotate(float(node.get('degrees'))),
|
|
'translate': self._translate,
|
|
'image': self._image
|
|
}
|
|
for n in utils._child_get(node, self):
|
|
if n.tag in tags:
|
|
tags[n.tag](n)
|
|
|
|
class _rml_draw(object):
|
|
def __init__(self, localcontext, node, styles, images=None, path='.', title=None):
|
|
if images is None:
|
|
images = {}
|
|
self.localcontext = localcontext
|
|
self.node = node
|
|
self.styles = styles
|
|
self.canvas = None
|
|
self.images = images
|
|
self.path = path
|
|
self.canvas_title = title
|
|
|
|
def render(self, canvas, doc):
|
|
canvas.saveState()
|
|
cnv = _rml_canvas(canvas, self.localcontext, doc, self.styles, images=self.images, path=self.path, title=self.canvas_title)
|
|
cnv.render(self.node)
|
|
canvas.restoreState()
|
|
|
|
class _rml_Illustration(platypus.flowables.Flowable):
|
|
def __init__(self, node, localcontext, styles, self2):
|
|
self.localcontext = (localcontext or {}).copy()
|
|
self.node = node
|
|
self.styles = styles
|
|
self.width = utils.unit_get(node.get('width'))
|
|
self.height = utils.unit_get(node.get('height'))
|
|
self.self2 = self2
|
|
def wrap(self, *args):
|
|
return self.width, self.height
|
|
def draw(self):
|
|
drw = _rml_draw(self.localcontext ,self.node,self.styles, images=self.self2.images, path=self.self2.path, title=self.self2.title)
|
|
drw.render(self.canv, None)
|
|
|
|
class _rml_flowable(object):
|
|
def __init__(self, doc, localcontext, images=None, path='.', title=None):
|
|
if images is None:
|
|
images = {}
|
|
self.localcontext = localcontext
|
|
self.doc = doc
|
|
self.styles = doc.styles
|
|
self.images = images
|
|
self.path = path
|
|
self.title = title
|
|
|
|
def _textual(self, node):
|
|
rc1 = utils._process_text(self, node.text or '')
|
|
for n in utils._child_get(node,self):
|
|
txt_n = copy.deepcopy(n)
|
|
for key in txt_n.attrib.keys():
|
|
if key in ('rml_except', 'rml_loop', 'rml_tag'):
|
|
del txt_n.attrib[key]
|
|
if not n.tag == 'bullet':
|
|
txt_n.text = utils.xml2str(self._textual(n))
|
|
txt_n.tail = n.tail and utils.xml2str(utils._process_text(self, n.tail.replace('\n',''))) or ''
|
|
rc1 += etree.tostring(txt_n)
|
|
return rc1
|
|
|
|
def _table(self, node):
|
|
children = utils._child_get(node,self,'tr')
|
|
if not children:
|
|
return None
|
|
length = 0
|
|
colwidths = None
|
|
rowheights = None
|
|
data = []
|
|
styles = []
|
|
posy = 0
|
|
for tr in children:
|
|
paraStyle = None
|
|
if tr.get('style'):
|
|
st = copy.deepcopy(self.styles.table_styles[tr.get('style')])
|
|
for si in range(len(st._cmds)):
|
|
s = list(st._cmds[si])
|
|
s[1] = (s[1][0],posy)
|
|
s[2] = (s[2][0],posy)
|
|
st._cmds[si] = tuple(s)
|
|
styles.append(st)
|
|
if tr.get('paraStyle'):
|
|
paraStyle = self.styles.styles[tr.get('paraStyle')]
|
|
data2 = []
|
|
posx = 0
|
|
for td in utils._child_get(tr, self,'td'):
|
|
if td.get('style'):
|
|
st = copy.deepcopy(self.styles.table_styles[td.get('style')])
|
|
for s in st._cmds:
|
|
s[1][1] = posy
|
|
s[2][1] = posy
|
|
s[1][0] = posx
|
|
s[2][0] = posx
|
|
styles.append(st)
|
|
if td.get('paraStyle'):
|
|
# TODO: merge styles
|
|
paraStyle = self.styles.styles[td.get('paraStyle')]
|
|
posx += 1
|
|
|
|
flow = []
|
|
for n in utils._child_get(td, self):
|
|
if n.tag == etree.Comment:
|
|
n.text = ''
|
|
continue
|
|
fl = self._flowable(n, extra_style=paraStyle)
|
|
if isinstance(fl,list):
|
|
flow += fl
|
|
else:
|
|
flow.append( fl )
|
|
|
|
if not len(flow):
|
|
flow = self._textual(td)
|
|
data2.append( flow )
|
|
if len(data2)>length:
|
|
length=len(data2)
|
|
for ab in data:
|
|
while len(ab)<length:
|
|
ab.append('')
|
|
while len(data2)<length:
|
|
data2.append('')
|
|
data.append( data2 )
|
|
posy += 1
|
|
|
|
if node.get('colWidths'):
|
|
assert length == len(node.get('colWidths').split(','))
|
|
colwidths = [utils.unit_get(f.strip()) for f in node.get('colWidths').split(',')]
|
|
if node.get('rowHeights'):
|
|
rowheights = [utils.unit_get(f.strip()) for f in node.get('rowHeights').split(',')]
|
|
if len(rowheights) == 1:
|
|
rowheights = rowheights[0]
|
|
table = platypus.LongTable(data = data, colWidths=colwidths, rowHeights=rowheights, **(utils.attr_get(node, ['splitByRow'] ,{'repeatRows':'int','repeatCols':'int'})))
|
|
if node.get('style'):
|
|
table.setStyle(self.styles.table_styles[node.get('style')])
|
|
for s in styles:
|
|
table.setStyle(s)
|
|
return table
|
|
|
|
def _illustration(self, node):
|
|
return _rml_Illustration(node, self.localcontext, self.styles, self)
|
|
|
|
def _textual_image(self, node):
|
|
return base64.decodestring(node.text)
|
|
|
|
def _pto(self, node):
|
|
sub_story = []
|
|
pto_header = None
|
|
pto_trailer = None
|
|
for node in utils._child_get(node, self):
|
|
if node.tag == etree.Comment:
|
|
node.text = ''
|
|
continue
|
|
elif node.tag=='pto_header':
|
|
pto_header = self.render(node)
|
|
elif node.tag=='pto_trailer':
|
|
pto_trailer = self.render(node)
|
|
else:
|
|
flow = self._flowable(node)
|
|
if flow:
|
|
if isinstance(flow,list):
|
|
sub_story = sub_story + flow
|
|
else:
|
|
sub_story.append(flow)
|
|
return platypus.flowables.PTOContainer(sub_story, trailer=pto_trailer, header=pto_header)
|
|
|
|
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 render(self, node_story):
|
|
def process_story(node_story):
|
|
sub_story = []
|
|
for node in utils._child_get(node_story, self):
|
|
if node.tag == etree.Comment:
|
|
node.text = ''
|
|
continue
|
|
flow = self._flowable(node)
|
|
if flow:
|
|
if isinstance(flow,list):
|
|
sub_story = sub_story + flow
|
|
else:
|
|
sub_story.append(flow)
|
|
return sub_story
|
|
return process_story(node_story)
|
|
|
|
|
|
class EndFrameFlowable(ActionFlowable):
|
|
def __init__(self,resume=0):
|
|
ActionFlowable.__init__(self,('frameEnd',resume))
|
|
|
|
class TinyDocTemplate(platypus.BaseDocTemplate):
|
|
|
|
def beforeDocument(self):
|
|
# Store some useful value directly inside canvas, so it's available
|
|
# on flowable drawing (needed for proper PageCount handling)
|
|
self.canv._doPageReset = False
|
|
self.canv._storyCount = 0
|
|
|
|
def ___handle_pageBegin(self):
|
|
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()
|
|
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()
|
|
|
|
def afterPage(self):
|
|
if self.canv._doPageReset:
|
|
# Following a <pageReset/> tag:
|
|
# - we reset page number to 0
|
|
# - we add an new PageCount flowable (relative to the current
|
|
# story number), but not for NumeredCanvas at is handle page
|
|
# count itself)
|
|
# NOTE: _rml_template render() method add a PageReset flowable at end
|
|
# of each story, so we're sure to pass here at least once per story.
|
|
if not isinstance(self.canv, NumberedCanvas):
|
|
self.handle_flowable([ PageCount(story_count=self.canv._storyCount) ])
|
|
self.canv._pageCount = self.page
|
|
self.page = 0
|
|
self.canv._flag = True
|
|
self.canv._pageNumber = 0
|
|
self.canv._doPageReset = False
|
|
self.canv._storyCount += 1
|
|
|
|
class _rml_template(object):
|
|
def __init__(self, localcontext, out, node, doc, images=None, path='.', title=None):
|
|
if images is None:
|
|
images = {}
|
|
if not localcontext:
|
|
localcontext={'internal_header':True}
|
|
self.localcontext = localcontext
|
|
self.images= images
|
|
self.path = path
|
|
self.title = title
|
|
|
|
pagesize_map = {'a4': A4,
|
|
'us_letter': letter
|
|
}
|
|
pageSize = (841.8897637795275, 595.275590551181)
|
|
self.doc_tmpl = TinyDocTemplate(out, pagesize=pageSize, **utils.attr_get(node, ['leftMargin','rightMargin','topMargin','bottomMargin'], {'allowSplitting':'int','showBoundary':'bool','rotation':'int','title':'str','author':'str'}))
|
|
self.page_templates = []
|
|
self.styles = doc.styles
|
|
self.doc = doc
|
|
self.image=[]
|
|
pts = node.findall('pageTemplate')
|
|
for pt in pts:
|
|
frames = []
|
|
for frame_el in pt.findall('frame'):
|
|
frame = platypus.Frame( **(utils.attr_get(frame_el, ['x1','y1', 'width','height', 'leftPadding', 'rightPadding', 'bottomPadding', 'topPadding'], {'id':'str', 'showBoundary':'bool'})) )
|
|
if utils.attr_get(frame_el, ['last']):
|
|
frame.lastFrame = True
|
|
frames.append( frame )
|
|
try :
|
|
gr = pt.findall('pageGraphics')\
|
|
or pt[1].findall('pageGraphics')
|
|
except Exception: # FIXME: be even more specific, perhaps?
|
|
gr=''
|
|
if len(gr):
|
|
# self.image=[ n for n in utils._child_get(gr[0], self) if n.tag=='image' or not self.localcontext]
|
|
drw = _rml_draw(self.localcontext,gr[0], self.doc, images=images, path=self.path, title=self.title)
|
|
self.page_templates.append( platypus.PageTemplate(frames=frames, onPage=drw.render, **utils.attr_get(pt, [], {'id':'str'}) ))
|
|
else:
|
|
drw = _rml_draw(self.localcontext,node,self.doc,title=self.title)
|
|
self.page_templates.append( platypus.PageTemplate(frames=frames,onPage=drw.render, **utils.attr_get(pt, [], {'id':'str'}) ))
|
|
self.doc_tmpl.addPageTemplates(self.page_templates)
|
|
|
|
def render(self, node_stories):
|
|
if self.localcontext and not self.localcontext.get('internal_header',False):
|
|
del self.localcontext['internal_header']
|
|
fis = []
|
|
r = _rml_flowable(self.doc,self.localcontext, images=self.images, path=self.path, title=self.title)
|
|
story_cnt = 0
|
|
for node_story in node_stories:
|
|
if story_cnt > 0:
|
|
fis.append(platypus.PageBreak())
|
|
fis += r.render(node_story)
|
|
# Reset Page Number with new story tag
|
|
fis.append(PageReset())
|
|
story_cnt += 1
|
|
if self.localcontext and self.localcontext.get('internal_header',False):
|
|
self.doc_tmpl.afterFlowable(fis)
|
|
self.doc_tmpl.build(fis,canvasmaker=NumberedCanvas)
|
|
else:
|
|
self.doc_tmpl.build(fis)
|
|
|
|
def parseNode(rml, localcontext=None, fout=None, images=None, path='.', title=None):
|
|
node = etree.XML(rml)
|
|
r = _rml_doc(node, localcontext, images, path, title=title)
|
|
#try to override some font mappings
|
|
try:
|
|
from customfonts import SetCustomFonts
|
|
SetCustomFonts(r)
|
|
except ImportError:
|
|
# means there is no custom fonts mapping in this system.
|
|
pass
|
|
except Exception:
|
|
_logger.warning('Cannot set font mapping', exc_info=True)
|
|
pass
|
|
fp = StringIO()
|
|
r.render(fp)
|
|
return fp.getvalue()
|
|
|
|
def parseString(rml, localcontext=None, fout=None, images=None, path='.', title=None):
|
|
node = etree.XML(rml)
|
|
r = _rml_doc(node, localcontext, images, path, title=title)
|
|
|
|
#try to override some font mappings
|
|
try:
|
|
from customfonts import SetCustomFonts
|
|
SetCustomFonts(r)
|
|
except Exception:
|
|
pass
|
|
|
|
if fout:
|
|
fp = file(fout,'wb')
|
|
r.render(fp)
|
|
fp.close()
|
|
return fout
|
|
else:
|
|
fp = 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.'
|
|
|
|
# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: |