anatoly techtonik <[email protected]> added the comment:
Thanks Daniel. I am still interested in this. My Python code as well as your
patch doesn't specify that "Z" must be present when time zone offset is unknown
or absent, but Atom specification mentions that and I believe this is that most
users expect to see. In fact I needed such function for implementing Atom feed
for Trac, so in my opinion Z is more clear than -00:00 or +00:00
I also was waiting for a final resolution of issue7582 which discusses the
proper way to get UTC offset. The function used to correctly build RFC 3339
timestamp from file modification time evolved to the following code:
def isomtime(fname):
"""Return file modification time in RFC 3339 (ISO 8601 compliant) format"""
stamp = time.localtime(os.stat(fname).st_mtime)
# determine UTC offset rounded to minutes
# (see http://bugs.python.org/issue7582 for discussion)
# true if file was modified during active DST
isdst = stamp.tm_isdst
utcoffset = -(time.altzone if (time.daylight and isdst) else time.timezone)
// 60
suffix = "%+03d:%02d" % (utcoffset // 60, abs(utcoffset) % 60)
return time.strftime("%Y-%m-%dT%H:%M:%S", stamp) + suffix
----------
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<http://bugs.python.org/issue7584>
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