Fix timestamps in overview page

Description

We noticed that the timestamps for correction runs were oddly truncated in the overview page. This parses and re-formats the timestamps rather than just cutting off X characters.

How Has This Been Tested?

Tested on max-exfl017:

Types of changes

• Bug fix (non-breaking change which fixes an issue)

Checklist:

• My code follows the code style of this project.

Reviewers

@schmidtp @ahmedk

webservice/serve_overview.py

@@ -4,6 +4,7 @@ import os
 import shlex
 import sqlite3
 from datetime import datetime, timezone
+from dateutil.parser import parse as parse_datetime
 from http.server import BaseHTTPRequestHandler, HTTPServer
 from pathlib import Path
 from shutil import copyfileobj
@@ -257,6 +258,8 @@ class RequestHandler(BaseHTTPRequestHandler):
                             f"{in_folder}/r{run:04d}/*{mp}*.h5"):
                         tsize += os.stat(f).st_size
 
+            timestamp = parse_datetime(timestamp).strftime('%Y-%m-%d %H:%M:%S')
+
             last_chars[key] = {"in_path": in_folder,
                                "out_path": out_folder,
                                "runs": runs,
@@ -294,9 +297,10 @@ class RequestHandler(BaseHTTPRequestHandler):
             pdfs.sort(key=os.path.getmtime, reverse=True)
             pdfs = {p.split("/")[-1]: p for p in pdfs}
 
+            timestamp = parse_datetime(timestamp).strftime('%Y-%m-%d %H:%M')
             if not any(r[1:3] == (proposal, runs[0]) for r in inst_records):
                 inst_records.append((
-                    timestamp[:-4], proposal, runs[0], pdfs
+                    timestamp, proposal, runs[0], pdfs
                 ))
 
         return last_calib

[Thomas Kluyver]

I left seconds out of the corrections table, to make it a bit less dense, but it's an easy change if we want that detail.