Hi,
Is it possible to implement this in a more elegant way, where we can
collapse those three schedule fields into one, and different schema nodes
would be used based on the value of job_type?
class JobScheduleSchema(colander.MappingSchema):
job_type = colander.SchemaNode(colander.String(),
validator=colander.OneOf(['simple', 'interval', 'cron']))
simple_schedule = colander.SchemaNode(colander.DateTime(),
missing=None, validator=...)
interval_schedule = colander.SchemaNode(colander.String(),
missing=None, validator=...)
cron_schedule = colander.SchemaNode(colander.String(), missing=None,
validator=...)
@staticmethod
def validator(node, value): # validate schedule dict
if value['job_type'] == 'simple':
if not value['simple_schedule']:
raise colander.Invalid(node, 'Specify a simple schedule.')
elif value['job_type'] == 'interval':
if not value['interval_schedule']:
raise colander.Invalid(node, 'Specify a interval schedule.')
elif value['job_type'] == 'cron':
if not value['cron_schedule']:
raise colander.Invalid(node, 'Specify a cron schedule.')
else:
raise colander.Invalid(node, 'Invalid job type.')
ie.
class JobScheduleSchema(colander.MappingSchema):
job_type = colander.SchemaNode(colander.String(),
validator=colander.OneOf(['simple', 'interval', 'cron']))
schedule = colander.SchemaNode(colander.DateTime()) if job_type ==
"simple", else: IntervalScheduleSchema()
Thanks,
Otto
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