odoo/openerp/report/render/html2html/html2html.py

98 lines
4.2 KiB
Python

# -*- coding: utf-8 -*-
##############################################################################
#
# OpenERP, Open Source Management Solution
# Copyright (C) 2004-2009 Tiny SPRL (<http://tiny.be>).
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
##############################################################################
from openerp.report.render.rml2pdf import utils
from lxml import etree
import copy
import openerp.pooler as pooler
import base64
import cStringIO
import re
from reportlab.lib.utils import ImageReader
_regex = re.compile('\[\[(.+?)\]\]')
utils._regex = re.compile('\[\[\s*(.+?)\s*\]\]',re.DOTALL)
class html2html(object):
def __init__(self, html, localcontext):
self.localcontext = localcontext
self.etree = html
self._node = None
def render(self):
def process_text(node,new_node):
if new_node.tag in ['story','tr','section']:
new_node.attrib.clear()
for child in utils._child_get(node, self):
new_child = copy.deepcopy(child)
new_node.append(new_child)
if len(child):
for n in new_child:
new_child.text = utils._process_text(self, child.text)
new_child.tail = utils._process_text(self, child.tail)
new_child.remove(n)
process_text(child, new_child)
else:
if new_child.tag=='img' and new_child.get('name'):
if _regex.findall(new_child.get('name')) :
src = utils._process_text(self, new_child.get('name'))
if src :
new_child.set('src','data:image/gif;base64,%s'%src)
output = cStringIO.StringIO(base64.decodestring(src))
img = ImageReader(output)
(width,height) = img.getSize()
if not new_child.get('width'):
new_child.set('width',str(width))
if not new_child.get('height') :
new_child.set('height',str(height))
else :
new_child.getparent().remove(new_child)
new_child.text = utils._process_text(self, child.text)
new_child.tail = utils._process_text(self, child.tail)
self._node = copy.deepcopy(self.etree)
for n in self._node:
self._node.remove(n)
process_text(self.etree, self._node)
return self._node
def url_modify(self,root):
for n in root:
if (n.text.find('<a ')>=0 or n.text.find('&lt;a')>=0) and n.text.find('href')>=0 and n.text.find('style')<=0 :
node = (n.tag=='span' and n.getparent().tag=='u') and n.getparent().getparent() or ((n.tag=='span') and n.getparent()) or n
style = node.get('color') and "style='color:%s; text-decoration: none;'"%node.get('color') or ''
if n.text.find('&lt;a')>=0:
t = '&lt;a '
else :
t = '<a '
href = n.text.split(t)[-1]
n.text = ' '.join([t,style,href])
self.url_modify(n)
return root
def parseString(node, localcontext = {}):
r = html2html(node, localcontext)
root = r.render()
root = r.url_modify(root)
return root
# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: