override report method

report.py

# -*- coding: utf-8 -*-

import os
import base64
import StringIO
import subprocess

from openerp.osv import osv, fields, orm
from openerp.addons.report_webkit.webkit_report import *

JAVA_CMD = 'java'        
JAR_PATH = 'jSignPdf.jar'


def sign(document, file_pk12, password):
    """
    Metodo que aplica la firma digital al PDF
    java -jar JSignPdf.jar -kst PKCS12 -ksf certificado -ksp password mi_archivo.pdf

    """
    xml_str = etree.tostring(xml_document, encoding='utf8', method='xml')
    firma_path = os.path.join(os.path.dirname(__file__), JAR_PATH)
    p = subprocess.Popen([JAVA_CMD, '-jar', firma_path, document, file_pk12, password], stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
    res = p.communicate()
    return res[0]


class ResUser(orm.Model):
    _inherit = 'res.users'
    _columns = dict(
        path_cert = fields.char('Dirección fisica del certificado'),
        password_cert = fields.char('Password del Certificado')
        )

class ReportSigned(WebKitParser):

    def sign_document(self, cursor, uid, report):
        user = self.pool.get('res.users').browse(cursor, uid, uid)
        signed = sign(report, user.cert_path, user.cert_passworda)
        return signed

    def create_single_pdf(self, cursor, uid, ids, data, report_xml, context=None):
        """ override to sign pdf """
        report, type_report = super(ReportSigned, self).create_single_pdf(cursor, uid, ids, data, report_xml, context)
        report_signed = self.sign_document(cursor, uid, report)
        return report_signed, type_report

    def create(self, cursor, uid, ids, data, context=None):
        result = super(ReportSigned, self).create(cursor, uid, ids, data, context)
        import pdb
        pdb.set_trace()
        print "override"
        return result