You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
217 lines
7.6 KiB
217 lines
7.6 KiB
# -*- coding: utf-8 -*-
|
|
# Copyright 2013 XCG Consulting (http://odoo.consulting)
|
|
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl)
|
|
from cStringIO import StringIO
|
|
import json
|
|
import pkg_resources
|
|
import os
|
|
import sys
|
|
from base64 import b64decode
|
|
import requests
|
|
from tempfile import NamedTemporaryFile
|
|
from py3o.template.helpers import Py3oConvertor
|
|
from py3o.template import Template
|
|
from py3o.formats import Formats
|
|
|
|
from openerp import _
|
|
from openerp import exceptions
|
|
from openerp.report.report_sxw import report_sxw
|
|
from openerp import registry
|
|
|
|
|
|
_extender_functions = {}
|
|
|
|
|
|
class TemplateNotFound(Exception):
|
|
pass
|
|
|
|
|
|
def py3o_report_extender(report_xml_id=None):
|
|
"""
|
|
A decorator to define function to extend the context sent to a template.
|
|
This will be called at the creation of the report.
|
|
The following arguments will be passed to it:
|
|
- ir_report: report instance
|
|
- localcontext: The context that will be passed to the report engine
|
|
If no report_xml_id is given the extender is registered for all py3o
|
|
reports
|
|
Idea copied from CampToCamp report_webkit module.
|
|
|
|
:param report_xml_id: xml id of the report
|
|
:return: a decorated class
|
|
"""
|
|
global _extender_functions
|
|
|
|
def fct1(fct):
|
|
_extender_functions.setdefault(report_xml_id, []).append(fct)
|
|
return fct
|
|
return fct1
|
|
|
|
|
|
@py3o_report_extender()
|
|
def defautl_extend(report_xml, localcontext):
|
|
# add the base64decode function to be able do decode binary fields into
|
|
# the template
|
|
localcontext['b64decode'] = b64decode
|
|
|
|
|
|
class Py3oParser(report_sxw):
|
|
"""Custom class that use Py3o to render libroffice reports.
|
|
Code partially taken from CampToCamp's webkit_report."""
|
|
|
|
def get_template(self, report_obj):
|
|
"""private helper to fetch the template data either from the database
|
|
or from the default template file provided by the implementer.
|
|
|
|
ATM this method takes a report definition recordset
|
|
to try and fetch the report template from database. If not found it
|
|
will fallback to the template file referenced in the report definition.
|
|
|
|
@param report_obj: a recordset representing the report defintion
|
|
@type report_obj: openerp.model.recordset instance
|
|
|
|
@returns: string or buffer containing the template data
|
|
|
|
@raises: TemplateNotFound which is a subclass of
|
|
openerp.exceptions.DeferredException
|
|
"""
|
|
|
|
tmpl_data = None
|
|
|
|
if report_obj.py3o_template_id and report_obj.py3o_template_id.id:
|
|
# if a user gave a report template
|
|
tmpl_data = b64decode(
|
|
report_obj.py3o_template_id.py3o_template_data
|
|
)
|
|
|
|
elif report_obj.py3o_template_fallback:
|
|
tmpl_name = report_obj.py3o_template_fallback
|
|
flbk_filename = None
|
|
if report_obj.module:
|
|
# if the default is defined
|
|
flbk_filename = pkg_resources.resource_filename(
|
|
"openerp.addons.%s" % report_obj.module,
|
|
tmpl_name,
|
|
)
|
|
elif os.path.isabs(tmpl_name):
|
|
# It is an absolute path
|
|
flbk_filename = os.path.normcase(os.path.normpath(tmpl_name))
|
|
if flbk_filename and os.path.exists(flbk_filename):
|
|
# and it exists on the fileystem
|
|
with open(flbk_filename, 'r') as tmpl:
|
|
tmpl_data = tmpl.read()
|
|
|
|
if tmpl_data is None:
|
|
# if for any reason the template is not found
|
|
raise TemplateNotFound(
|
|
_(u'No template found. Aborting.'),
|
|
sys.exc_info(),
|
|
)
|
|
|
|
return tmpl_data
|
|
|
|
def _extend_parser_context(self, parser_instance, report_xml):
|
|
# add default extenders
|
|
for fct in _extender_functions.get(None, []):
|
|
fct(report_xml, parser_instance.localcontext)
|
|
# add extenders for registered on the template
|
|
xml_id = report_xml.get_external_id().get(report_xml.id)
|
|
if xml_id in _extender_functions:
|
|
for fct in _extender_functions[xml_id]:
|
|
fct(report_xml, parser_instance.localcontext)
|
|
|
|
def create_single_pdf(self, cr, uid, ids, data, report_xml, context=None):
|
|
""" Overide this function to generate our py3o report
|
|
"""
|
|
if report_xml.report_type != 'py3o':
|
|
return super(Py3oParser, self).create_single_pdf(
|
|
cr, uid, ids, data, report_xml, context=context
|
|
)
|
|
|
|
parser_instance = self.parser(cr, uid, self.name2, context=context)
|
|
parser_instance.set_context(
|
|
self.getObjects(cr, uid, ids, context),
|
|
data, ids, report_xml.report_type
|
|
)
|
|
self._extend_parser_context(parser_instance, report_xml)
|
|
|
|
tmpl_data = self.get_template(report_xml)
|
|
|
|
in_stream = StringIO(tmpl_data)
|
|
out_stream = StringIO()
|
|
template = Template(in_stream, out_stream)
|
|
localcontext = parser_instance.localcontext
|
|
if report_xml.py3o_is_local_fusion:
|
|
template.render(localcontext)
|
|
in_stream = out_stream
|
|
datadict = {}
|
|
else:
|
|
expressions = template.get_all_user_python_expression()
|
|
py_expression = template.convert_py3o_to_python_ast(expressions)
|
|
convertor = Py3oConvertor()
|
|
data_struct = convertor(py_expression)
|
|
datadict = data_struct.render(localcontext)
|
|
|
|
filetype = report_xml.py3o_filetype
|
|
is_native = Formats().get_format(filetype).native
|
|
if is_native:
|
|
res = out_stream.getvalue()
|
|
else: # Call py3o.server to render the template in the desired format
|
|
in_stream.seek(0)
|
|
files = {
|
|
'tmpl_file': in_stream,
|
|
}
|
|
fields = {
|
|
"targetformat": filetype,
|
|
"datadict": json.dumps(datadict),
|
|
"image_mapping": "{}",
|
|
}
|
|
if report_xml.py3o_is_local_fusion:
|
|
fields['skipfusion'] = '1'
|
|
r = requests.post(
|
|
report_xml.py3o_server_id.url, data=fields, files=files)
|
|
if r.status_code != 200:
|
|
# server says we have an issue... let's tell that to enduser
|
|
raise exceptions.Warning(
|
|
_('Fusion server error %s') % r.text,
|
|
)
|
|
|
|
# Here is a little joke about Odoo
|
|
# we do nice chunked reading from the network...
|
|
chunk_size = 1024
|
|
with NamedTemporaryFile(
|
|
suffix=filetype,
|
|
prefix='py3o-template-'
|
|
) as fd:
|
|
for chunk in r.iter_content(chunk_size):
|
|
fd.write(chunk)
|
|
fd.seek(0)
|
|
# ... but odoo wants the whole data in memory anyways :)
|
|
res = fd.read()
|
|
|
|
return res, "." + filetype
|
|
|
|
def create(self, cr, uid, ids, data, context=None):
|
|
""" Override this function to handle our py3o report
|
|
"""
|
|
pool = registry(cr.dbname)
|
|
ir_action_report_obj = pool['ir.actions.report.xml']
|
|
report_xml_ids = ir_action_report_obj.search(
|
|
cr, uid, [('report_name', '=', self.name[7:])], context=context
|
|
)
|
|
if not report_xml_ids:
|
|
return super(Py3oParser, self).create(
|
|
cr, uid, ids, data, context=context
|
|
)
|
|
|
|
report_xml = ir_action_report_obj.browse(
|
|
cr, uid, report_xml_ids[0], context=context
|
|
)
|
|
|
|
result = self.create_source_pdf(
|
|
cr, uid, ids, data, report_xml, context
|
|
)
|
|
|
|
if not result:
|
|
return False, False
|
|
return result
|