Add error reporting to tractTable.

python/lsst/production/tools/tractTable.py

@@ -27,7 +27,7 @@
 import numpy as np
 import yaml
 from flask import Blueprint, Flask, render_template, url_for
-from lsst.daf.butler import Butler
+from lsst.daf.butler import Butler, DatasetNotFoundError
 
 from .htmlUtils import *
 
@@ -137,9 +137,19 @@ def collection(repo, collection):
     else:
         dataId = {"skymap": "lsst_cells_v1", "instrument": "LSSTComCam"}
 
-    t = butler.get(
-        "objectTableCore_metricsTable", collections=collection, dataId=dataId
-    )
+    try:
+        t = butler.get(
+            "objectTableCore_metricsTable", collections=collection, dataId=dataId
+        )
+    except DatasetNotFoundError:
+        return render_template(
+            "metrics/tracts.html",
+            header_dict={},
+            content_dict={},
+            collection=collection,
+            error="Collection does not have dataset objectTableCore_metricsTable"
+        )
+
 
     col_dict = {
         "table_cols": ["tract", "corners", "nPatches", "nInputs", "failed metrics"],

static/custom.css

@@ -74,6 +74,7 @@ TD {
         text-align: center;
         padding: 2pt;
         color: #909B9C;
+        padding-bottom: 0.5em;
 }
 
 TD.summary {

templates/metrics/tracts.html

@@ -8,9 +8,16 @@
 
 {% block content %}
 
+
+<h2>{{collection}}</h2>
 <a href={{url_for(".index")}}>&lt;-- Back to collections</a>
 <table>
 
+    {% if error %}
+        <br/><br/>
+        <h3>{{error}}</h3>
+    {% endif %}
+
     <thead>
         <tr>
         {% for header in header_dict %}