Handle no assigments found error page

www/cgi-bin/pampa/render_result.py

@@ -143,7 +143,7 @@ def assignments_output(run_id, taxo_used, taxo_info, job_name=""):
         
     return html
 
-def write_main_page(run_id, taxo_used, taxo_info, job_name=None):
+def write_main_page(run_id, taxo_used, taxo_info, no_assignments, job_name=None):
     """Write a HTML page. The result page shown first when the PAMPA analysis is done."""
     html = ""
 
@@ -178,6 +178,9 @@ def write_main_page(run_id, taxo_used, taxo_info, job_name=None):
     html += (assignments_output(run_id, taxo_used, taxo_info, job_name=job_name))
     html += ('<br>')
 
+    if no_assignments:
+        html += '<h4><font color="red">No assignments found</font></h4>'
+
     # Display assignment thumbnails
     #html += ("<iframe src='thumbnails.php' width='100%' height='360'></iframe>")
     #html += ('<br/>')
@@ -213,6 +216,22 @@ def gen_trees(run_id, taxo_custom=False):
         gen_sub_tree(common.RESULT_DIR, run_id, assign.replace(" ", "_"), assignment, "#0000FF", url_json=url_json)
 
 
+def write_no_results_page(run_id, job_name=None):
+    """Write a HTML page. The result page shown first when the PAMPA analysis is done."""
+    html = ""
+
+    # Insert HTML header and page head
+    html += (open(f"{common.HTML_PATH}/header.php", "r").read())
+    html += '<div class="frametitle"><h1 id="title">Pampa</h1></div><div id="center_sup"><div class="theme-border" style="display:none"></div><div id="link_home" style="display:inline-block"><a href="/" class="text_onglet"><img src="/Style/icon/home_w.png" alt="home_general"/></a></div><div class="tabs" id="menu_central" style="display:inline-block">'
+    html += open(f"{common.HTML_PATH}/menu_central.txt", 'r').read()
+    html += '</div></div><div id="main"><div id="center">'
+
+    html += (f'<h2>Results for job {run_id}{f" ({job_name})" if job_name else ""}</h2>')
+
+    html += '<h4><font color="red">No results</font></h4>'
+    open(common.RESULT_DIR + run_id + "/results.php", "w").write(html)
+
+
 # Main program
 def main():
     # Ce script est lancé avec un paramètre : le nom d'un fichier json
@@ -246,6 +265,12 @@ def main():
     else:
         taxo_file = params["taxo_file"]
         assignments = json.load(open(common.RESULT_DIR+"/"+ run_id + "/out_" + run_id +".json"))
+        no_assignments = False
+        if len(assignments) == 0:
+            no_assignments = True
+            #write_no_results_page(run_id, job_name)
+            taxo_used = False
+        else:
             taxo_used = (assignments[0]["lca"] != None)
         del assignments
 
@@ -256,7 +281,7 @@ def main():
     # usage d'un fichier TXT de log présent le cgi-bin pour suivre l'évolution d'une analyse et début si besoin
     log_tree = open("log.txt", "a")
     tree_created = taxo_used
-    if taxo_used:
+    if no_assignments != True:
         log_tree.write("PAMPA is using a taxonomy. Preparing the tree(s)...\n")
         try:
             if taxo_source == "default_reduced":
@@ -320,6 +345,8 @@ def main():
             # pas d'arbre javascript créé, pas d'affichage sur la page de détails
             tree_created = False
             log_tree.write(f"Tree generation failed.\n")
+
+
     else:
         # pas d'arbre javascript créé, pas d'affichage sur la page de détails
         tree_created = False
@@ -337,7 +364,7 @@ def main():
             taxo_info = "default"
     else:
         taxo_info = "no"
-    write_main_page(run_id, taxo_used, taxo_info, job_name=job_name)
+    write_main_page(run_id, taxo_used, taxo_info, no_assignments, job_name=job_name)
 
 
 main()