Use Excel- and Google Sheets-readable formatting of durations in the …

…notebook.

Fortunately, the format is human-readable as well and it just stops at the
"hours" level, i.e. instead of "2 days 3:00:00", it just says "51:00:00".

python/cfr/analysis/cfr-json-analysis.ipynb

@@ -782,6 +782,12 @@
         "# @title Aggregated vehicle statistics\n",
         "\n",
         "\n",
+        "def _format_duration(value) -> str:\n",
+        "  total_seconds = int(value.total_seconds())\n",
+        "  hours = total_seconds // 3600\n",
+        "  remaining_seconds = total_seconds % 3600\n",
+        "  return f\"{hours}:{remaining_seconds // 60:02d}:{remaining_seconds % 60:02d}\"\n",
+        "\n",
         "def _safe_percentage(value, maximum) -> str:\n",
         "  if not maximum:\n",
         "    # The maximum is zero or a zero-like value (e.g. datetime.timedelta of zero\n",
@@ -797,6 +803,7 @@
         "  max_working_hours = datetime.timedelta()\n",
         "  soft_working_hours = datetime.timedelta()\n",
         "  actual_working_hours = datetime.timedelta()\n",
+        "  wait_hours = datetime.timedelta()\n",
         "\n",
         "  num_time_travel = 0\n",
         "  num_hard_time_travel = 0\n",
@@ -814,18 +821,21 @@
         "    num_hard_time_travel += cfr_json.get_num_decreasing_visit_times(\n",
         "        scenario.model, route, consider_visit_duration=False\n",
         "    )\n",
+        "    wait_hours += max(datetime.timedelta(), analysis.get_vehicle_wait_hours(route))\n",
         "\n",
         "  return {\n",
         "      \"# vehicles\": len(vehicles),\n",
-        "      \"max working time\": str(max_working_hours),\n",
-        "      \"soft working time\": str(soft_working_hours),\n",
-        "      \"actual working time\": str(actual_working_hours),\n",
+        "      \"max working time\": _format_duration(max_working_hours),\n",
+        "      \"soft working time\": _format_duration(soft_working_hours),\n",
+        "      \"actual working time\": _format_duration(actual_working_hours),\n",
+        "      \"wait time\": _format_duration(wait_hours),\n",
         "      \"max working time %\": _safe_percentage(\n",
         "          actual_working_hours, max_working_hours\n",
         "      ),\n",
         "      \"soft working time %\": _safe_percentage(\n",
         "          actual_working_hours, soft_working_hours\n",
         "      ),\n",
+        "      \"wait time %\": _safe_percentage(wait_hours, actual_working_hours),\n",
         "      \"# soft time travel\": str(num_time_travel),\n",
         "      \"# time travel\": str(num_hard_time_travel),\n",
         "  }\n",
@@ -1063,6 +1073,7 @@
       "cell_type": "code",
       "execution_count": null,
       "metadata": {
+        "cellView": "form",
         "id": "Im3WX2b6sP-V"
       },
       "outputs": [],