add owid plot if exist in the html template

drees.py

@@ -606,6 +606,9 @@ def generate_html_page(
     template = env.get_template("index.template.html")
     date_start = np_date[0].astype(dt).strftime(DATE_FORMAT)
     date_end = np_date[-1].astype(dt).strftime(DATE_FORMAT)
+
+    date_build = dt.strftime(dt.now(), "%Y%m%d")
+    owid_path = f"fra-{date_build}.png"
     data = template.render(
         **{
             "fields": Field,
@@ -616,6 +619,9 @@ def generate_html_page(
             "period": f"{date_start} - {date_end}",
             "vaccine_mean": [x for x in lst_analyse_data if type(x) == VaccineMean],
             "age_mean": [x for x in lst_analyse_data if type(x) == AgeMean],
+            "owid_path": owid_path
+            if os.path.isfile(os.path.join(OUTPUT_REPOSITORY, owid_path))
+            else "",
         }
     )
     with open(os.path.join(BUILD_REPOSITORY, "index.html"), "w") as f:

templates/index.template.html

@@ -100,6 +100,12 @@
                     {% endfor %}
                 {% endfor %}
             </div>
+	    {% if owid_path != "" %}
+	    <hr/>
+	    <h3>OWID - Our World In Data</h3>
+	    <h4>NOTE: ces données sont issues de <a href="https://github.com/owid/covid-19-data/tree/master/public/data">OWID</a>, un mélange et un traitement de plusieurs jeu de données</h4>
+	    <img src="{{ static }}/plots/{{ owid_path }}"/>
+	    {% endif %}
         </div>
     </body>
 </html>