Init - Print the odt template without modification (empty values)

.hgignore

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+syntax: glob
+**/*.pyc
+*.pyc
+*.swp
+.tmp*
+*.egg-info
+dist/*
+build/*
+lib/*
+*.orig
+*.log
+.settings/*
+data/*
+storage/*
+.project
+.idea
+.pydevproject
+*.db
+.ropeproject/*

__init__.py

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+import py3o_report
+# import wizard

__openerp__.py

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+# -*- coding: utf-8 -*-
+{
+    'name': 'LibreOffice Report Engine',
+    'description': '''
+Generation of LibreOffice/OpenOffice reports using LibreOffice/OpenOffice
+templates.
+
+py3o.template is used internally; install it with:
+    pip install py3o.template
+    pip install pyjon.utils
+''',
+    'version': '0.1',
+    'category': 'Reporting',
+    'author': 'XCG Consulting',
+    'website': 'http://www.openerp-experts.com/',
+    'depends': [
+        'base'
+    ],
+    'data': [
+    ],
+    'installable': True,
+}

py3o_report.py

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+from tempfile import NamedTemporaryFile
+
+from openerp import addons, pooler
+from openerp.report.report_sxw import *
+from openerp.tools.translate import _
+from openerp.osv.osv import except_osv
+
+from py3o.template import Template
+
+
+class py3o_report(report_sxw):
+#     def __init__(self, name, table):
+#         super(py3o_report, self).__init__(name, table)
+
+    def create(self, cr, uid, ids, data, context=None):
+        # Find the report definition to get its settings.
+        pool = pooler.get_pool(cr.dbname)
+        report_xml_obj = pool.get('ir.actions.report.xml')
+        report_xml_ids = report_xml_obj.search(cr, uid,
+            [('report_name', '=', self.name[7:])],  # Ignore "report."
+            context=context)
+        if not report_xml_ids:
+            return super(py3o_report, self).create(cr, uid, ids, data,
+                                                   context=context)
+        report_xml = report_xml_obj.browse(cr, uid,
+                                           report_xml_ids[0],
+                                           context=context)
+
+        # Get the template file.
+        template_path = addons.get_module_resource(
+            *report_xml.report_file.split('/'))
+
+        # py3o.template operates on filenames so create a temporary file.
+        with NamedTemporaryFile(suffix='.odt', prefix='py3o-report-') as \
+              temp_file:
+
+            template = Template(template_path, temp_file.name)
+
+            template.render({})
+
+            temp_file.seek(0)
+            return temp_file.read(), 'odt'
+
+        return (False, False)