submit_spectrograph_request.py

#!/bin/env python
import requests

'''
submit_spectrograph_request.py

Submit a spectrograph UserRequest to be scheduled for observing. Note this is almost identical to
submit_request.py except we are changing the instrument and molecules.
'''

API_TOKEN = 'PlaceApiTokenHere'  # API token obtained from https://observe.lco.global/accounts/profile/
PROPOSAL_ID = 'LCOEngineering'  # Proposal IDs may be found here: https://observe.lco.global/proposals/

# The target of the observation
target = {
    'name': 'm83',
    'type': 'SIDEREAL',
    'ra': 204.253,
    'dec': -29.865,
    'epoch': 2000,
    'rot_mode': 'VFLOAT'
}

# The configurations for this request. In this example we are taking 2 exposures with different filters.
molecules = [{
    'type': 'SPECTRUM',
    'instrument_name': '2M0-FLOYDS-SCICAM',
    'exposure_time': 30,
    'exposure_count': 1,
    'spectra_slit': 'slit_2.0as',
    'acquire_mode': 'WCS'
}]

# The windows in which this request should be considered for observing. In this example we only provide one.
windows = [{
    'start': '2017-05-02 00:00:00',
    'end': '2017-09-02 00:00:00'
}]

# The telescope class that should be used for this observation
location = {
    'telescope_class': '2m0'
}

# Additional constraints to be added to this request
constraints = {
    'max_airmass': 1.6,

}


# The full userrequest, with additional meta-data
userrequest = {
    'group_id': 'Example Spectrograph Request',  # The title
    'proposal': PROPOSAL_ID,
    'ipp_value': 1.05,
    'operator': 'SINGLE',
    'observation_type': 'NORMAL',
    'requests': [{
        'target': target,
        'molecules': molecules,
        'windows': windows,
        'location': location,
        'constraints': constraints
    }]
}

# Now that we have a fully formed UserRequest, we can submit it to the api.
response = requests.post(
    'https://observe.lco.global/api/userrequests/',
    headers={'Authorization': 'Token {}'.format(API_TOKEN)},
    json=userrequest  # Make sure you use json!
)

# Make sure this api call was successful
try:
    response.raise_for_status()
except requests.exceptions.HTTPError as exc:
    print('Request failed: {}'.format(response.content))
    raise exc

userrequest_dict = response.json()  # The API will return the newly submitted userrequest as json

# Print out the url on the portal where we can view the submitted request
print('View this observing request: https://observe.lco.global/userrequests/{}/'.format(userrequest_dict['id']))