Merge branch 'fix_template_filefield_reading' into 'django3_migration'

Fix template FileField reading

See merge request !359

beat/web/algorithms/templates/algorithms/panels/editor.html

@@ -246,7 +246,7 @@
     {% endwith %}{# groups, uses or parameters #}
 
     {% if open_source and not object.is_binary %}
-    <textarea class="form-control" id="code-display">{{ object.source_code_file.read }}</textarea>
+    <textarea class="form-control" id="code-display">{{ object.source_code }}</textarea>
     <p class="help-block">{{ texts.code|safe }}</p>
     {% elif object.is_binary %}
       {% if object.valid %}

beat/web/dataformats/templates/dataformats/panels/editor.html

@@ -43,7 +43,7 @@
         </div>
       </div>
       {% endif %}
-      <textarea class="form-control" id="declaration-display">{{ object.declaration_file.read }}</textarea>
+      <textarea class="form-control" id="declaration-display">{{ object.declaration }}</textarea>
       <p class="help-block">{{ texts.json|safe }}</p>
     </div>
   </div>

beat/web/libraries/templates/libraries/edition.html

@@ -192,7 +192,7 @@
 <div class="row">
   <div class="col-sm-10 col-sm-offset-1">
       <label for="source-code">Source code:</label>
-      <textarea id="source-code">{% if library %}{{ library.source_code_file.read }}{% endif %}</textarea>
+      <textarea id="source-code">{% if library %}{{ library.source_code }}{% endif %}</textarea>
       <p class="help">{{ texts.library_code|safe }}</p>
     </div>
 </div>

beat/web/libraries/templates/libraries/panels/editor.html

@@ -74,7 +74,7 @@
     {% endwith %}
 
     {% if open_source %}
-    <textarea class="form-control" id="code-display">{{ object.source_code_file.read }}</textarea>
+    <textarea class="form-control" id="code-display">{{ object.source_code }}</textarea>
     <p class="help-block">{{ texts.code|safe }}</p>
     {% else %}
     <div class="alert alert-warning">

beat/web/plotters/templates/plotters/panels/editor.html

 {% comment %}
  * Copyright (c) 2016 Idiap Research Institute, http://www.idiap.ch/
  * Contact: beat.support@idiap.ch
- * 
+ *
  * This file is part of the beat.web module of the BEAT platform.
- * 
+ *
  * Commercial License Usage
  * Licensees holding valid commercial BEAT licenses may use this file in
  * accordance with the terms contained in a written agreement between you
  * and Idiap. For further information contact tto@idiap.ch
- * 
+ *
  * Alternatively, this file may be used under the terms of the GNU Affero
  * Public License version 3 as published by the Free Software and appearing
  * in the file LICENSE.AGPL included in the packaging of this file.
  * The BEAT platform 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.
- * 
+ *
  * You should have received a copy of the GNU Affero Public License along
  * with the BEAT platform. If not, see http://www.gnu.org/licenses/.
 {% endcomment %}
@@ -228,7 +228,7 @@
     {% endwith %}{# groups, uses or parameters #}
 
     {% if open_source %}
-    <textarea class="form-control" id="code-display">{{ object.source_code_file.read }}</textarea>
+    <textarea class="form-control" id="code-display">{{ object.source_code }}</textarea>
     <p class="help-block">{{ texts.code|safe }}</p>
     {% else %}
     <div class="alert alert-warning">