CAOM-2.3 repo access and tools
Project description
Client caom2-repo
caom2Repo provides a client (caom2-repo) to perform CRUD (Create, Read, Update, Delete) on an observation in a collection in a repository.
Visitor Plugin
The client also provides a visitor function which accepts a plugin. The visitor function iterates the observations of a collection and updates them according to the algorithm of the plugin function. The following is an example plugin to add a ‘PREVIEW’ Plane to an observation. More plugin examples can be found in caom2repo/tests/.
from __future__ import (absolute_import, division, print_function,
unicode_literals)
from caom2.observation import Observation
from caom2.plane import Plane
class ObservationUpdater(object):
"""ObservationUpdater that adds a plane to the observation."""
def update(self, observation, **kwargs):
"""
Processes an observation and updates it
"""
assert isinstance(observation, Observation), (
"observation %s is not an Observation".format(observation))
observation.planes.add(Plane('PREVIEW'))
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