def parse_date_time(val):
"""always returns seconds in UTC
# tests are written like this to make any errors easier to understand
>>> parse_date_time('2005-09-11T23:54:10Z') - 1126482850.0
0.0
>>> parse_date_time('2005-09-11T16:54:10-07:00') - 1126482850.0
0.0
>>> parse_date_time('1970-01-01T00:00:01Z') - 1.0
0.0
>>> parse_date_time('1970-01-01T00:00:00Z') - 0.0
0.0
>>> parse_date_time("2005-09-05T10:42:00") - 1125916920.0
0.0
"""
if "T" not in val:
val += "T00:00:00Z"
ymd, time = val.split("T")
hms, tz_str = time[0:8], time[8:]
if not tz_str or tz_str == "Z":
time = time[:-1]
tz_offset = 0
else:
signed_hrs = int(tz_str[:3])
mins = int(tz_str[4:6])
secs = (sign(signed_hrs) * mins + signed_hrs * 60) * 60
tz_offset = -secs
year, month, day = ymd.split("-")
hour, minute, second = hms.split(":")
t = timegm((int(year), int(month), int(day), int(hour), int(minute),
int(second), 0, 0, 0))
t = t + tz_offset
return t
def parse_date_time(val):
"""always returns seconds in UTC
# tests are written like this to make any errors easier to understand
>>> parse_date_time('2005-09-11T23:54:10Z') - 1126482850.0
0.0
>>> parse_date_time('2005-09-11T16:54:10-07:00') - 1126482850.0
0.0
>>> parse_date_time('1970-01-01T00:00:01Z') - 1.0
0.0
>>> parse_date_time('1970-01-01T00:00:00Z') - 0.0
0.0
>>> parse_date_time("2005-09-05T10:42:00") - 1125916920.0
0.0
"""
if "T" not in val:
val += "T00:00:00Z"
ymd, time = val.split("T")
hms, tz_str = time[0:8], time[8:]
if not tz_str or tz_str == "Z":
time = time[:-1]
tz_offset = 0
else:
signed_hrs = int(tz_str[:3])
mins = int(tz_str[4:6])
secs = (sign(signed_hrs) * mins + signed_hrs * 60) * 60
tz_offset = -secs
year, month, day = ymd.split("-")
hour, minute, second = hms.split(":")
t = timegm((int(year), int(month), int(day), int(hour),
int(minute), int(second), 0, 0, 0))
t = t + tz_offset
return t