def parse_gridded_request(request):
"""
Parses a request for a gridded forecast.
"""
# takes the first 4 '|' separated fields, if fewer than
# k exist the missing fields are replaced with None
model_domain, grid_str, hours_str, variables = split_fields(request, 4)
model, domain_str = model_domain.split(':')
# parse the domain and make sure its ok
domain = utils.parse_domain(domain_str)
# parse the grid_string
resol = utils.parse_resolution(grid_str)
# parse the hours string
hours = utils.parse_hours(hours_str)
# check the variables
if variables is None:
variables = []
else:
variables = variables.split(',')
variables = utils.validate_variables(variables)
return {'type': 'gridded',
'model': model.lower().strip(),
'domain': domain,
'resolution': resol,
'hours': hours,
'variables': variables}
def test_parse_weekdays(self):
"""
Tests if weekdays are parsed accordingly from user friendly
formatted string.
"""
input_str = [
"Mon-Sun 11:00 am - 10 pm", "Mon-Fri, Sat 11 am - 12 pm ",
"Sun 11 am - 4:30 am"
]
expected_result = [
(time(11, 0, 0), time(22, 0, 0)),
(time(11, 0, 0), time(12, 0, 0)),
(time(11, 0, 0), time(4, 30, 0)),
]
output = []
for i in input_str:
output.append(parse_hours(i))
for o, er in zip(output, expected_result):
self.assertEqual(o, er)
def parse_spot_request(request):
"""
parses a request for a spot forecast
"""
model_domain, time_str, variables, image = split_fields(request, 4)
spot, location_str = model_domain.split(':', 1)
assert spot.lower() == 'spot'
if ':' in location_str:
model, location_str = location_str.split(':', 1)
model = model.lower()
else:
model = 'gefs'
location = utils.parse_location(location_str)
# default to 4 days every three hours
time_str = time_str or '5,6'
# First try parsing the format `days,period`
try:
hours = utils.parse_times(time_str)
except ValueError, e:
# if that fails try the gridded format `hour0,hour1,...,hourn`
hours = utils.parse_hours(time_str)
