im facing a problem in qweb report, i followed this tutorial http://blog.emiprotechnologies.com/create-qweb-report-odoo/ to create qweb report, it worked fine with the static data of my current module, but when i try to create a parser class for dynamic data, i get this error " QWebException: "'NoneType' object is not callable" while evaluating " here it's my python class :
from openerp.osv import osv
from openerp.report import report_sxw
class etudiant_report_parser(report_sxw.rml_parse):
def __init__(self, cr, uid, name, context):
super(etudiant_report_parser, self).__init__(cr, uid, name, context=context)
self.localcontext.update({
'hello_world': self.hello_world,
})
self.context = context
def hello_world(self):
return "hello"
class etudiant_object_report(osv.AbstractModel):
_name = 'report.gestion_des_etudiants.etudiant_report'
_inherit = 'report.abstract_report'
_template = 'gestion_des_etudiants.etudiant_report'
_wrapped_report_class = etudiant_report_parser
And in my xml file etudiant_report.xml I added this line :
<span t-esc=”hello_world()”/>
But when I print the report I get the error :
QWebException: "'NoneType' object is not callable" while evaluating
Here it's the arborescence of my module :
/report/init.py <--- to load the etudiant_report.xml which contains the parser class
/report/etudiant_report.py <--- ...contains the parser class
/views/report_etudiant.xml <--- the xml file for the report
init.py
openerp.py
etudiant_view.xml
etudiant_report.xml <--- the menu of the report
etudiant.py
Another thing I noticed, when I go into the folder " report " I don't find any .pyc file, for init.py and etudiant_report.py