def lookup(cls, dataset, data, account, match_value=True, readonly=False):
data = LinkLookupSchema().to_python(data)
if match_value:
value = Value.by_value(dataset, data["key"])
if value is not None:
return value
else:
value = None
link = cls.by_key(dataset, data["key"])
if link is not None:
return link
choices = match_op(data["key"], dataset)
choices = filter(lambda (c, v, s): s > 99.9, choices)
if len(choices) == 1:
c, value, s = choices.pop()
value = Value.by_id(dataset, value)
if readonly:
return value
link = cls()
link.creator = account
link.dataset = dataset
link.value = value
link.is_matched = value is not None
link.key = data["key"]
link.data = data["data"]
db.session.add(link)
db.session.flush()
return link
def _to_python(self, value, state):
if value == 'NEW':
return value
elif value == 'INVALID' and state.dataset.enable_invalid:
return value
value_obj = Value.by_id(state.dataset, value)
if value_obj is not None:
return value_obj
raise Invalid('No such value.', value, None)
def _to_python(self, value, state):
if value == "NEW":
return value
elif value == "INVALID" and state.dataset.enable_invalid:
return value
value_obj = Value.by_id(state.dataset, value)
if value_obj is not None:
return value_obj
raise Invalid("No such value.", value, None)
def match(self, dataset, data, account):
state = LinkMatchState(dataset)
data = LinkMatchSchema().to_python(data, state)
self.is_matched = True
self.matcher = account
if data['choice'] == 'INVALID':
self.value = None
self.is_invalid = True
elif data['choice'] == 'NEW':
self.value = Value.create(dataset, data, account)
self.is_invalid = False
else:
self.value = data['choice']
self.is_invalid = False
db.session.add(self)
db.session.flush()