def test_load_dataset():
filename = "WAO-20magl_EUROPE_201306_small.nc"
dir_path = os.path.dirname(__file__)
test_data = "../data/emissions"
filepath = os.path.join(dir_path, test_data, filename)
ds = xarray.load_dataset(filepath)
metadata = {"some": "metadata"}
d = Datasource("dataset_test")
d.add_data(metadata=metadata, data=ds, data_type="footprint")
d.save()
keys = d._data_keys["latest"]["keys"]
key = list(keys.values())[0]
bucket = get_local_bucket()
loaded_ds = Datasource.load_dataset(bucket=bucket, key=key)
assert loaded_ds.equals(ds)
def test_exists():
d = Datasource(name="testing")
d.save()
exists = Datasource.exists(datasource_id=d.uuid())
assert exists == True
def test_save_footprint():
bucket = get_local_bucket(empty=True)
metadata = {"test": "testing123"}
dir_path = os.path.dirname(__file__)
test_data = "../data/emissions"
filename = "WAO-20magl_EUROPE_201306_downsampled.nc"
filepath = os.path.join(dir_path, test_data, filename)
data = xarray.open_dataset(filepath)
datasource = Datasource(name="test_name")
datasource.add_data(metadata=metadata, data=data, data_type="footprint")
datasource.save()
prefix = f"{Datasource._datasource_root}/uuid/{datasource._uuid}"
objs = get_object_names(bucket, prefix)
datasource_2 = Datasource.load(bucket=bucket, key=objs[0])
date_key = "2013-06-02-00:00:00+00:00_2013-06-30-00:00:00+00:00"
data = datasource_2._data[date_key]
assert float(data.pressure[0].values) == pytest.approx(1023.971)
assert float(data.pressure[2].values) == pytest.approx(1009.940)
assert float(data.pressure[-1].values) == pytest.approx(1021.303)
def assign_data(gas_data, lookup_results, overwrite):
""" Create or get an existing Datasource for each gas in the file
Args:
gas_data (dict): Dictionary containing data and metadata for species
Returns:
dict: Dictionary of UUIDs of Datasources data has been assigned to keyed by species name
"""
from HUGS.Modules import Datasource
uuids = {}
# Add in copying of attributes, or add attributes to the metadata at an earlier state.
for species in gas_data:
metadata = gas_data[species]["metadata"]
data = gas_data[species]["data"]
name = lookup_results[species]["name"]
uuid = lookup_results[species]["uuid"]
# If we have a UUID for this Datasource load the existing object
# from the object store
if uuid:
datasource = Datasource.load(uuid=uuid)
else:
datasource = Datasource(name=name)
# Add the dataframe to the datasource
datasource.add_data(metadata=metadata, data=data, overwrite=overwrite)
# Save Datasource to object store
datasource.save()
uuids[name] = datasource.uuid()
return uuids
def test_save(mock_uuid2):
bucket = get_local_bucket()
datasource = Datasource(name="test_name")
datasource.add_metadata(key="data_type", value="timeseries")
datasource.save(bucket)
prefix = f"{Datasource._datasource_root}/uuid/{datasource._uuid}"
objs = get_object_names(bucket, prefix)
assert objs[0].split("/")[-1] == mocked_uuid2
def test_in_daterange(data):
metadata = data["ch4"]["metadata"]
data = data["ch4"]["data"]
d = Datasource()
d.add_data(metadata=metadata, data=data)
d.save()
start = pd.Timestamp("2014-1-1")
end = pd.Timestamp("2014-2-1")
daterange = create_daterange_str(start=start, end=end)
d._data_keys["latest"]["2014-01-30-10:52:30+00:00_2014-01-30-14:20:30+00:00"] = ['data/uuid/ace2bb89-7618-4104-9404-a329c2bcd318/v1/2014-01-30-10:52:30+00:00_2014-01-30-14:20:30+00:00']
d._data_keys["latest"]["2015-01-30-10:52:30+00:00_2016-01-30-14:20:30+00:00"] = ['data/uuid/ace2bb89-7618-4104-9404-a329c2bcd318/v1/2015-01-30-10:52:30+00:00_2016-01-30-14:20:30+00:00']
d._data_keys["latest"]["2016-01-31-10:52:30+00:00_2017-01-30-14:20:30+00:00"] = ['data/uuid/ace2bb89-7618-4104-9404-a329c2bcd318/v1/2016-01-31-10:52:30+00:00_2017-01-30-14:20:30+00:00']
keys = d.in_daterange(daterange=daterange)
assert keys[0].split("/")[-1] == '2014-01-30-10:52:30+00:00_2014-01-30-14:20:30+00:00'
def assign_data(self,
lookup_results,
source_name,
data,
metadata,
overwrite=False):
""" Assign data to a new or existing Datasource
Args:
lookup_results (dict): Results of Datasource lookup
source_name (str): Name of data source
data (xarray.Dataset): Data
metadata (dict): Dictionary of metadata
overwrite (bool, default=False): Should exisiting data be overwritten
Returns:
list: List of Datasource UUIDs
"""
from HUGS.Modules import Datasource
uuids = {}
for key in lookup_results:
uuid = lookup_results[key]["uuid"]
name = metadata["name"]
if uuid:
datasource = Datasource.load(uuid=uuid)
else:
datasource = Datasource(name=name)
datasource.add_data(metadata=metadata,
data=data,
data_type="footprint")
datasource.save()
uuids[name] = datasource.uuid()
return uuids
def test_versioning(data):
# Take head of data
# Then add the full data, check versioning works correctly
metadata = {"foo": "bar"}
d = Datasource(name="foo")
# Fix the UUID for the tests
d._uuid = "4b91f73e-3d57-47e4-aa13-cb28c35d3b3d"
ch4_data = data["ch4"]["data"]
v1 = ch4_data.head(20)
v2 = ch4_data.head(30)
v3 = ch4_data.head(40)
d.add_data(metadata=metadata, data=v1)
d.save()
d.add_data(metadata=metadata, data=v2)
d.save()
d.add_data(metadata=metadata, data=v3)
d.save()
keys = d.versions()
assert (
keys["v1"]["keys"]["2014-01-30-10:52:30+00:00_2014-01-30-12:20:30+00:00"]
== "data/uuid/4b91f73e-3d57-47e4-aa13-cb28c35d3b3d/v1/2014-01-30-10:52:30+00:00_2014-01-30-12:20:30+00:00"
)
assert list(keys["v2"]["keys"].values()) == [
"data/uuid/4b91f73e-3d57-47e4-aa13-cb28c35d3b3d/v2/2014-01-30-10:52:30+00:00_2014-01-30-13:12:30+00:00"
]
assert list(keys["v3"]["keys"].values()) == [
"data/uuid/4b91f73e-3d57-47e4-aa13-cb28c35d3b3d/v3/2014-01-30-10:52:30+00:00_2014-01-30-13:22:30+00:00"
]
assert keys["v3"]["keys"] == keys["latest"]["keys"]
