[FIX] report: print time in user timezone

In reports calling the internal headers layout,
e.g. the general ledger,
the print time was displayed in UTC,
while it should be in user tz.

closes #3341
opw-612043

addons/report/models/report.py

@@ -22,7 +22,7 @@
 from openerp import api
 from openerp import SUPERUSER_ID
 from openerp.exceptions import AccessError
-from openerp.osv import osv
+from openerp.osv import osv, fields
 from openerp.tools import config
 from openerp.tools.misc import find_in_path
 from openerp.tools.translate import _
@@ -38,6 +38,7 @@ import lxml.html
 import os
 import subprocess
 from contextlib import closing
+from datetime import datetime
 from distutils.version import LooseVersion
 from functools import partial
 from pyPdf import PdfFileWriter, PdfFileReader
@@ -142,6 +143,8 @@ class Report(osv.Model):
                 context = dict(context, translatable=context.get('lang') != request.website.default_lang_code)
         values.update(
             time=time,
+            datetime=datetime,
+            context_timestamp=lambda t: fields.datetime.context_timestamp(cr, uid, t, context),
             translate_doc=translate_doc,
             editable=True,
             user=user,

addons/report/views/layouts.xml

@@ -123,8 +123,7 @@
     <div class="header">
         <div class="row">
             <div class="col-xs-3">
-                <span t-esc="time.strftime('%Y-%m-%d')"/>
-                <span t-esc="time.strftime('%H:%M')"/>
+                <span t-esc="context_timestamp(datetime.now()).strftime('%Y-%m-%d %H:%M')"/>
             </div>
             <div class="col-xs-2 col-xs-offset-2 text-center">
                 <span t-esc="company.name"/>