I can load this URL in a browser:
http://hpiers.obspm.fr/iers/bul/bulc/Leap_Second_History.dat
But PHK’s python code (which worked a couple of month’s ago):
def fetch_url(url):
global conn
print("Fetch", url)
if conn == None:
conn = httplib.HTTPConnection("hpiers.obspm.fr")
conn.request("GET", url)
r1 = conn.getresponse()
if r1.status != 200:
print (r1.status, r1.reason)
exit(2)
now throws an status:
302 Found
Which is a URL redirection (nominally “moved temporarily”, which I saw
yesterday evening in some browser or other). Not obvious if a failure to
handle a redirection is the same as an error, but it seems possible that this
is either a symptom of something else, or if actually a new layer of
indirection in getting to this file will catch some other application.
Either way this may add more weight to the notion of using DNS instead of HTTP
to fetch leap second info.
Haven’t looked very far under the hood yet, so could certainly be something
else entirely.
Rob
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