def parse_iso8601_interval(value):
try:
return aniso8601.parse_interval(value)
except Exception:
try:
return aniso8601.parse_repeating_interval(value)
except Exception:
raise FormatError('{} is not an iso8601 interval'.format(value))
def parse_iso8601_interval(value):
try:
return aniso8601.parse_interval(value)
except Exception:
try:
return aniso8601.parse_repeating_interval(value)
except Exception:
raise FormatError('{} is not an iso8601 interval'.format(value))
def _parse_interval(value):
"""Do some nasty try/except voodoo to get some sort of datetime
object(s) out of the string.
"""
try:
return sorted(aniso8601.parse_interval(value))
except ValueError:
try:
return aniso8601.parse_datetime(value), None
except ValueError:
return aniso8601.parse_date(value), None
def _parse_interval(value):
"""Do some nasty try/except voodoo to get some sort of datetime
object(s) out of the string.
"""
try:
return sorted(aniso8601.parse_interval(value))
except ValueError:
try:
return aniso8601.parse_datetime(value), None
except ValueError:
return aniso8601.parse_date(value), None
def test_import(self):
#Just some tests repeated from other places to make sure the
#imports work
time = aniso8601.parse_time('01:23:45')
self.assertEqual(time.hour, 1)
self.assertEqual(time.minute, 23)
self.assertEqual(time.second, 45)
resultdatetime = aniso8601.parse_datetime(
'1981-04-05T23:21:28.512400Z')
self.assertEqual(resultdatetime.year, 1981)
self.assertEqual(resultdatetime.month, 4)
self.assertEqual(resultdatetime.day, 5)
self.assertEqual(resultdatetime.hour, 23)
self.assertEqual(resultdatetime.minute, 21)
self.assertEqual(resultdatetime.second, 28)
self.assertEqual(resultdatetime.microsecond, 512400)
tzinfoobject = resultdatetime.tzinfo
self.assertEqual(tzinfoobject.utcoffset(None),
datetime.timedelta(hours=0))
self.assertEqual(tzinfoobject.tzname(None), 'UTC')
date = aniso8601.parse_date('19810405')
self.assertEqual(date.year, 1981)
self.assertEqual(date.month, 4)
self.assertEqual(date.day, 5)
resultduration = aniso8601.parse_duration('P1Y2M3DT4H54M6S')
self.assertEqual(resultduration.days, 428)
self.assertEqual(resultduration.seconds, 17646)
resultinterval = aniso8601.parse_interval(
'1980-03-05T01:01:00/1981-04-05T01:01:00')
self.assertEqual(
resultinterval[0],
datetime.datetime(year=1980, month=3, day=5, hour=1, minute=1))
self.assertEqual(
resultinterval[1],
datetime.datetime(year=1981, month=4, day=5, hour=1, minute=1))
results = list(aniso8601.parse_repeating_interval('R3/1981-04-05/P1D'))
self.assertEqual(results[0], datetime.date(year=1981, month=4, day=5))
self.assertEqual(results[1], datetime.date(year=1981, month=4, day=6))
self.assertEqual(results[2], datetime.date(year=1981, month=4, day=7))
def test_import(self):
#Just some tests repeated from other places to make sure the
#imports work
time = aniso8601.parse_time('01:23:45')
self.assertEqual(time.hour, 1)
self.assertEqual(time.minute, 23)
self.assertEqual(time.second, 45)
resultdatetime = aniso8601.parse_datetime('1981-04-05T23:21:28.512400Z')
self.assertEqual(resultdatetime.year, 1981)
self.assertEqual(resultdatetime.month, 4)
self.assertEqual(resultdatetime.day, 5)
self.assertEqual(resultdatetime.hour, 23)
self.assertEqual(resultdatetime.minute, 21)
self.assertEqual(resultdatetime.second, 28)
self.assertEqual(resultdatetime.microsecond, 512400)
tzinfoobject = resultdatetime.tzinfo
self.assertEqual(tzinfoobject.utcoffset(None), datetime.timedelta(hours=0))
self.assertEqual(tzinfoobject.tzname(None), 'UTC')
date = aniso8601.parse_date('19810405')
self.assertEqual(date.year, 1981)
self.assertEqual(date.month, 4)
self.assertEqual(date.day, 5)
resultduration = aniso8601.parse_duration('P1Y2M3DT4H54M6S')
self.assertEqual(resultduration.days, 428)
self.assertEqual(resultduration.seconds, 17646)
resultinterval = aniso8601.parse_interval('1980-03-05T01:01:00/1981-04-05T01:01:00')
self.assertEqual(resultinterval[0], datetime.datetime(year=1980, month=3, day=5, hour=1, minute=1))
self.assertEqual(resultinterval[1], datetime.datetime(year=1981, month=4, day=5, hour=1, minute=1))
results = list(aniso8601.parse_repeating_interval('R3/1981-04-05/P1D'))
self.assertEqual(results[0], datetime.date(year=1981, month=4, day=5))
self.assertEqual(results[1], datetime.date(year=1981, month=4, day=6))
self.assertEqual(results[2], datetime.date(year=1981, month=4, day=7))
def _extract_refs(ref_geojson):
"""
ref_geojson -- path to geojson with reference shapes
return -- dict of refid -> latA,lngA,latB,lngB
"""
with open(ref_geojson, 'r') as f:
geo = json.load(f)
for feature in geo['features']:
if feature["type"] != "Feature":
continue
geom = feature["geometry"]
if geom["type"] != "LineString":
# Todo: Allow using a single point to setup a north facing reference frame
continue
points = geom["coordinates"]
a = points[0] # first point
b = points[-1] # last point
aLng, aLat = a[0], a[1]
bLng, bLat = b[0], b[1]
try:
props = feature["properties"]
except KeyError:
# no properties / events defined to setup temporal frame
continue
for prop, val in props.items():
try:
start_dt, end_dt = aniso8601.parse_interval(val)
except ValueError as ex:
# not a date interval
print(ex)
continue
yield prop, aLat, aLng, bLat, bLng, start_dt, end_dt
def __init__(self, v):
import aniso8601
self.interval = aniso8601.parse_interval(v)
