ods_style: simplify translations and unicode usage

Page templates have a builtin translation system (with i18n:) and an
"unicode conflict resolver", so it was not necessary to explicitly
convert to unicode on python2 and this simplifies the transition to
python3

bt5/erp5_ods_style/SkinTemplateItem/portal_skins/erp5_ods_style/field_ods_macro.zpt

@@ -18,7 +18,7 @@
             table:style-name='report-column-title'
             table:number-columns-spanned='1'
             office:value-type='string'>
-            <text:p tal:content="python:here.Localizer.erp5_ui.gettext(field.get_value('title')).encode('utf-8')">
+            <text:p tal:content="python: field.get_value('title')" i18n:translate="">
             </text:p>
           </table:table-cell>
         </table:table-row>
@@ -51,7 +51,7 @@
             table:style-name='report-column-title'
             table:number-columns-spanned='1'
             office:value-type='string'>
-            <text:p tal:content="python:here.Localizer.erp5_ui.gettext(field.get_value('title')).encode('utf-8')">
+            <text:p tal:content="python: field.get_value('title')" i18n:translate="">
             </text:p>
           </table:table-cell>
          </tal:block>

bt5/erp5_ods_style/SkinTemplateItem/portal_skins/erp5_ods_style/form_view.oot

@@ -2,7 +2,7 @@
   <tal:block metal:use-macro="here/style_macros/macros/style_macro"/>
 <office:body>
   <office:spreadsheet>
-    <table:table table:style-name='ta1' table:print='false' tal:attributes="table:name python: unicode(here.getTitle(), 'utf-8')" i18n:attributes="table:name">
+    <table:table table:style-name='ta1' table:print='false' tal:attributes="table:name here/getTitle" i18n:attributes="table:name">
       
       <!-- at least one table-column element is required for ODF to validate -->
       <table:table-column
@@ -22,7 +22,7 @@
                   <table:table-row table:style-name='ro2'>
                     <table:table-cell table:style-name='report-column-title'
                                       office:value-type='string'>
-                      <text:p tal:content="python:here.Localizer.erp5_ui.gettext(field.get_value ('title')).encode('utf-8')">
+                      <text:p tal:content="python: field.get_value('title')" i18n:translate="">
                       </text:p>
                     </table:table-cell>
                     <tal:block tal:define="display python: field.get_value('image_display') "

bt5/erp5_ods_style/SkinTemplateItem/portal_skins/erp5_ods_style/listbox_ods_macro.zpt

@@ -42,7 +42,7 @@
                     <tal:block tal:condition="python: is_report_tree_mode">
                       <table:table-cell table:style-name='report-column-title' table:number-columns-spanned='1' office:value-type='string' >
                         <tal:block tal:condition="listboxline/getSectionName">
-                          <text:p tal:content="python: here.Localizer.erp5_ui.gettext(listboxline.getSectionName()).encode('utf-8')"/>
+                          <text:p tal:content="listboxline/getSectionName" i18n:translate=""/>
                         </tal:block>
                       </table:table-cell>
                     </tal:block>

bt5/erp5_ods_style/SkinTemplateItem/portal_skins/erp5_ods_style/report_view.oot

@@ -20,7 +20,7 @@
         </tal:block>
         <tal:block tal:define="portal_object here/getPortalObject">
           <tal:block tal:condition="not: sheet_per_report_section">
-            <table:table tal:attributes="table:name python:unicode(form.getProperty('title'), 'utf8')" i18n:attributes="table:name">
+            <table:table tal:attributes="table:name python: form.getProperty('title')" i18n:attributes="table:name">
               <!-- at least one table-column element is required for ODF to validate -->
               <table:table-column
                     table:style-name='co2'
@@ -32,7 +32,7 @@
                                   office:value-type='string'
                                   table:number-columns-spanned='5'
                                   table:number-rows-spanned='1'>
-                  <text:p i18n:translate="" tal:content="python: unicode(form.getProperty('title'), 'utf8')" ></text:p>
+                  <text:p i18n:translate="" tal:content="python: form.getProperty('title')" ></text:p>
                 </table:table-cell>
               </table:table-row>
 
@@ -95,7 +95,7 @@
             <tal:block tal:condition="rendered_report_item_list">
               <tal:block tal:repeat="report_item report_item_list">
                 <!-- FIXME: in deferred mode + sheet_per_report_section we do not have title -->
-                <table:table tal:attributes="table:name python: unicode('Sheet%s' % repeat['report_item'].index, 'utf-8')">
+                <table:table tal:attributes="table:name python:'Sheet%s' % repeat['report_item'].index">
                   <table:table-column table:style-name="co4" table:default-cell-style-name="text"/>
                   <tal:block tal:replace="structure report_item"/>
                 </table:table>
@@ -105,7 +105,7 @@
             <tal:block tal:condition="not: rendered_report_item_list">
               <tal:block tal:repeat="report_item python: report_item_list">
                 <tal:block tal:condition="python: report_item.getFormId()">
-                  <table:table tal:attributes="table:name python: unicode(report_item.getTitle() or 'Sheet%s' % repeat['report_item'].index, 'utf-8')">
+                  <table:table tal:attributes="table:name python: report_item.getTitle() or 'Sheet%s' % repeat['report_item'].index">
                     <table:table-column table:style-name="co4" table:default-cell-style-name="text"/>
                     <tal:block metal:use-macro="here/report_view/macros/make_report_item_table"/>
                   </table:table>
@@ -116,7 +116,7 @@
             <!-- include the report header as last page -->
             <table:table tal:condition="python: [field for field in form.get_fields()
                                                  if field.getRecursiveTemplateField().meta_type != 'ReportBox']"
-                         tal:attributes="table:name python:unicode(form.getProperty('title'), 'utf8')" i18n:attributes="table:name">
+                         tal:attributes="table:name python:form.getProperty('title')" i18n:attributes="table:name">
               <table:table-column
                     table:style-name='co2'
                     table:number-columns-repeated='100'
@@ -126,7 +126,7 @@
                                   office:value-type='string'
                                   table:number-columns-spanned='5'
                                   table:number-rows-spanned='1'>
-                  <text:p i18n:translate="" tal:content="python: unicode(form.getProperty('title'), 'utf8')" ></text:p>
+                  <text:p i18n:translate="" tal:content="python:form.getProperty('title')" ></text:p>
                 </table:table-cell>
               </table:table-row>
               <!-- fields from the report form itself -->