OCA reporting engine fork for dev and update.
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# -*- encoding: utf-8 -*-
# Odoo, Open Source Management Solution
# Copyright (C) 2014-2015 Grupo ESOC <www.grupoesoc.es>
#
# 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/>.
import logging
from lxml import etree
from openerp import api, fields, models
_logger = logging.getLogger(__name__)
class ReportAction(models.Model):
_inherit = "ir.actions.report.xml"
report_type = fields.Selection(selection_add=[("qweb-xml", "XML")])
def _lookup_report(self, cr, name):
"""Enable ``qweb-xml`` report lookup."""
try:
super(ReportAction, self)._lookup_report(cr, name)
except Exception as ex:
# Somebody thought it was a good idea to use standard exceptions
if "qweb-xml" not in ex.message:
raise ex
else:
cr.execute(
"SELECT * FROM ir_act_report_xml WHERE report_name=%s",
(name,))
return cr.dictfetchone()["report_name"]
@api.model
def render_report(self, res_ids, name, data):
"""Special handling for ``qweb-xml`` reports."""
if data.get("report_type") == u"qweb-xml":
new_report = self._lookup_report(name)
recs = self.env[self.env.context["active_model"]].browse(res_ids)
result = self.env["report"].get_html(recs, new_report, data=data)
# XML with spaces before the <?xml tag will fail, and trailing ones
# do nothing, so let's strip them and make everyone happier
result = (result.strip(), "xml")
else:
result = super(ReportAction, self).render_report(
res_ids, name, data)
return result
class ReportGenerator(models.Model):
_inherit = "report"
@api.model
def _get_report_from_name(self, report_name):
"""Allow to view ``qweb-xml`` reports as web pages."""
try:
super(ReportGenerator, self)._get_report_from_name(report_name)
except IndexError:
return self.env["ir.actions.report.xml"].search(
[("report_type", "=", "qweb-xml"),
("report_name", "=", report_name)])[0]
class XSDCheckedReport(models.AbstractModel):
"""Check XML report against a XSD schema before downloading it.
This is an Abstract Model to be inherited by the real report models, which
must implement :meth:`.xsd` and have a ``_name`` in the form
``report.<module>.<report_name>``.
"""
_name = "report_xml.xsd_checked_report"
_description = "Base model for reports that need XSD checking"
@api.multi
def xsd(self):
"""Return the XSD schema contents."""
raise NotImplementedError
@api.multi
def render_html(self, data=None):
"""Return the XML report after checking it against an XSD.
If ``context`` contains a dict called ``docargs``, it will be used as
the Qweb context. The special key ``docs`` will be added to ``docargs``
automatically if missing.
"""
# Qweb context
docargs = self.env.context.get("docargs", dict())
if "docs" not in docargs:
docargs["docs"] = (self.env[self.env.context["active_model"]]
.browse(self.env.context["active_ids"]))
# Load XSD
xsd = etree.XML(self.xsd())
_logger.debug("XSD schema contents: %s", etree.tostring(xsd))
xsd = etree.XMLSchema(xsd)
parser = etree.XMLParser(schema=xsd)
# Generate XML report
result = (self.env["report"]
.render(self._name[len("report."):], docargs)
.strip())
# Validate XML with XSD
try:
etree.fromstring(result, parser)
except Exception as error:
_logger.error(result)
raise error
return result