def update(
session: Session, attribute: Attribute, *, description: Optional[str] = None
) -> Attribute:
"""Update an existing attribute
PUTS an update request to the Tamr server
Args:
attribute: Existing attribute to update
description: Updated description for the existing attribute
Returns:
The newly updated attribute
Raises:
attribute.NotFound: If no attribute could be found at the specified URL.
Corresponds to a 404 HTTP error.
requests.HTTPError: If any other HTTP error is encountered.
"""
updates = {"description": description}
r = session.put(str(attribute.url), json=updates)
if r.status_code == 404:
raise NotFound(str(attribute.url))
data = response.successful(r).json()
return _from_json(attribute.url, data)
def replace_all(
session: Session, project: Project, tx: Transformations
) -> requests.Response:
"""Replaces the transformations of a Project
Args:
project: Project to place transformations within
tx: Transformations to put into project
Raises:
requests.HTTPError: If any HTTP error is encountered.
Example:
>>> import tamr_client as tc
>>> session = tc.session.from_auth('username', 'password')
>>> instance = tc.instance.Instance(host="localhost", port=9100)
>>> project1 = tc.project.from_resource_id(session, instance, id='1')
>>> dataset3 = tc.dataset.from_resource_id(session, instance, id='3')
>>> new_input_tx = tc.InputTransformation("SELECT *, upper(name) as name;", [dataset3])
>>> all_tx = tc.Transformations(
... input_scope=[new_input_tx],
... unified_scope=["SELECT *, 1 as one;"]
... )
>>> tc.transformations.replace_all(session, project1, all_tx)
"""
body = _to_json(tx)
r = session.put(f"{project.url}/transformations", json=body)
return response.successful(r)