def query_store():
""" Create a dictionary that can be used to visualise the object store
Returns:
dict: Dictionary of data ?
"""
from collections import defaultdict
from HUGS.Modules import Datasource, ObsSurface
obs = ObsSurface.load()
datasource_uuids = obs.datasources()
datasources = (Datasource.load(uuid=uuid, shallow=True)
for uuid in datasource_uuids)
data = defaultdict(dict)
for d in datasources:
metadata = d.metadata()
result = {
"site": metadata["site"],
"species": metadata["species"],
"instrument": metadata.get("instrument", "Unknown"),
"network": metadata.get("network")
}
data[d.uuid()] = result
return data
# def visualise_store():
# """ Visualise the output of the
# """
def rank_sources(args):
""" Rank Datasources to be primary sources for specific species at specific sites.
Args:
args (dict): Dictionary containing ranking data
Returns:
None
"""
try:
ranking_data = args["ranking"]
except KeyError:
raise KeyError("No ranking data passed")
obs = ObsSurface.load()
for key in ranking_data:
uuid = ranking_data[key]["uuid"]
for rank, daterange in ranking_data[key]["rank"].items():
if rank == 0:
continue
for d in daterange:
obs.set_rank(uuid=uuid, rank=rank, daterange=d)
obs.save()
def test_delete_Datasource():
bucket = get_local_bucket(empty=True)
data_filepath = get_datapath(filename="tta.co2.1minute.222m.min.dat",
data_type="ICOS")
ObsSurface.read_file(filepath=data_filepath, data_type="ICOS")
obs = ObsSurface.load()
datasources = obs.datasources()
uuid = datasources[0]
datasource = Datasource.load(uuid=uuid)
data = datasource.data(
)["2011-12-07-01:38:00+00:00_2011-12-31-19:57:00+00:00"]
assert data["co2"][0] == pytest.approx(397.334)
assert data.time[0] == Timestamp("2011-12-07T01:38:00")
data_keys = datasource.data_keys()
key = data_keys[0]
assert exists(bucket=bucket, key=key)
obs.delete(uuid=uuid)
assert uuid not in obs.datasources()
assert not exists(bucket=bucket, key=key)
def test_read_noaa():
get_local_bucket(empty=True)
data_filepath = get_datapath(
filename="co_pocn25_surface-flask_1_ccgg_event.txt", data_type="NOAA")
results = ObsSurface.read_file(filepath=data_filepath, data_type="NOAA")
uuid = results["co_pocn25_surface-flask_1_ccgg_event.txt"][
"co_pocn25_surface-flask_1_ccgg_event_co"]
co_data = Datasource.load(uuid=uuid, shallow=False).data()
assert len(co_data.keys()) == 95
old_data = co_data["1990-12-02-12:23:00+00:00_1990-12-02-12:23:00+00:00"]
assert old_data.time[0] == Timestamp("1990-12-02T12:23:00")
assert old_data.time[-1] == Timestamp("1990-12-02T12:23:00")
assert old_data["co"][0] == 141.61
assert old_data["co"][-1] == 141.61
assert old_data["co_repeatability"][0] == -999.99
assert old_data["co_repeatability"][-1] == -999.99
assert old_data["co_selection_flag"][0] == 0
assert old_data["co_selection_flag"][-1] == 0
obs = ObsSurface.load()
assert list(obs._datasource_names.keys()
)[0] == "co_pocn25_surface-flask_1_ccgg_event_co"
def test_read_thames_barrier():
get_local_bucket(empty=True)
data_filepath = get_datapath(filename="thames_test_20190707.csv",
data_type="THAMESBARRIER")
results = ObsSurface.read_file(filepath=data_filepath,
data_type="THAMESBARRIER")
expected_keys = sorted([
'thames_test_20190707_CH4', 'thames_test_20190707_CO2',
'thames_test_20190707_CO'
])
assert sorted(list(
results["thames_test_20190707.csv"].keys())) == expected_keys
uuid = results["thames_test_20190707.csv"]["thames_test_20190707_CO2"]
data = Datasource.load(uuid=uuid, shallow=False).data()
data = data["2019-07-01-00:39:55+00:00_2019-08-01-00:10:30+00:00"]
assert data.time[0] == Timestamp("2019-07-01T00:39:55")
assert data.time[-1] == Timestamp("2019-08-01T00:10:30")
assert data["co2"][0] == pytest.approx(417.97344761)
assert data["co2"][-1] == pytest.approx(417.80000653)
assert data["co2_variability"][0] == 0
assert data["co2_variability"][-1] == 0
obs = ObsSurface.load()
assert sorted(obs._datasource_names.keys()) == expected_keys
def test_read_CRDS():
get_local_bucket(empty=True)
filepath = get_datapath(filename="bsd.picarro.1minute.248m.dat",
data_type="CRDS")
results = ObsSurface.read_file(filepath=filepath, data_type="CRDS")
keys = results["bsd.picarro.1minute.248m.dat"].keys()
expected_keys = sorted([
"bsd.picarro.1minute.248m_ch4",
"bsd.picarro.1minute.248m_co",
"bsd.picarro.1minute.248m_co2",
])
assert sorted(keys) == expected_keys
# Load up the assigned Datasources and check they contain the correct data
data = results["bsd.picarro.1minute.248m.dat"]
ch4_data = Datasource.load(
uuid=data["bsd.picarro.1minute.248m_ch4"]).data()
ch4_data = ch4_data["2014-01-30-10:52:30+00:00_2014-01-30-14:20:30+00:00"]
assert ch4_data.time[0] == Timestamp("2014-01-30T10:52:30")
assert ch4_data["ch4"][0] == 1960.24
assert ch4_data["ch4"][-1] == 1952.24
assert ch4_data["ch4_stdev"][-1] == 0.674
assert ch4_data["ch4_n_meas"][-1] == 25.0
obs = ObsSurface.load()
assert sorted(obs._datasource_names.keys()) == expected_keys
def rank_sources(self, updated_rankings, data_type):
""" Assign the precendence of sources for each.
This function expects a dictionary of the form
This function expects a dictionary of the form
{'site_string': {'rank': [daterange_str, ...], 'daterange': 'start_end', 'uuid': uuid},
Args:
updated_ranking (dict): Dictionary of ranking
data_type (str): Data type e.g. CRDS, GC
Returns:
None
"""
if updated_rankings == self._before_ranking:
return
obs = ObsSurface.load()
for key in updated_rankings:
uuid = updated_rankings[key]["uuid"]
for rank, daterange in updated_rankings[key]["rank"].items():
if rank == 0:
continue
for d in daterange:
obs.set_rank(uuid=uuid, rank=rank, daterange=d)
obs.save()
def process_files(files,
data_type,
site=None,
network=None,
instrument=None,
overwrite=False):
""" Process the passed file(s)
Args:
files (str, list): Path of files to be processed
data_type (str): Type of data to be processed (CRDS, GC etc)
site (str, default=None): Site code or name
network (str, default=None): Network name
instrument (str, default=None): Instrument name
overwrite (bool, default=False): Should this data overwrite data
stored for these datasources for existing dateranges
Returns:
dict: UUIDs of Datasources storing data of processed files keyed by filename
"""
data_type = DataTypes[data_type.upper()].name
if not isinstance(files, list):
files = [files]
obs = ObsSurface.load()
results = {}
# Ensure we have Paths
# TODO: Delete this, as we already have the same warning in read_file?
if data_type == "GCWERKS":
if not all(isinstance(item, tuple) for item in files):
return TypeError(
"If data type is GC, a list of tuples for data and precision filenames must be passed"
)
files = [(Path(f), Path(p)) for f, p in files]
else:
files = [Path(f) for f in files]
r = obs.read_file(filepath=files,
data_type=data_type,
site=site,
network=network,
instrument=instrument,
overwrite=overwrite)
results.update(r)
return results
def get_sources(args):
""" Get the Datasources associated with the specified species at a specified site
Args:
args (dict): Dictionary containing site and species keys
Returns:
dict: Dictionary of
"""
try:
site = args["site"]
except KeyError:
# TODO - created a SiteError error type to raise here
raise KeyError("Site must be specified")
try:
species = args["species"]
except KeyError:
raise KeyError("Species must be specified")
obs = ObsSurface.load()
datasource_uuids = obs.datasources()
# Shallow load the Datasources (only get their JSON metadata)
datasources = [
Datasource.load(uuid=uuid, shallow=True) for uuid in datasource_uuids
]
matching_sources = [
d for d in datasources
if d.search_metadata(search_terms=[site, species], find_all=True)
]
def name_str(d):
return "_".join([d.species(), d.site(), d.inlet(), d.instrument()])
unranked = {
name_str(d): {
"rank": d.rank(),
"data_range": d.daterange_str(),
"uuid": d.uuid()
}
for d in matching_sources
}
return unranked
def get_sources(self, site, species, data_type):
""" Get the datasources for this site and species to allow a ranking to be set
Args:
site (str): Three letter site code
species (str): Species name
data_type (str): Must be valid datatype i.e. CRDS, GC
See all valid datasources in the DataTypes class
Returns:
dict: Dictionary of datasource metadata
"""
if len(site) != 3 or not valid_site(site):
# raise InvalidSiteError(f"{site} is not a valid site code")
raise ValueError(f"{site} is not a valid site code")
obs = ObsSurface.load()
datasource_uuids = obs.datasources()
# Shallow load the Datasources (only get their JSON metadata)
datasources = [
Datasource.load(uuid=uuid, shallow=True)
for uuid in datasource_uuids
]
matching_sources = [
d for d in datasources
if d.search_metadata(search_terms=[site, species], find_all=True)
]
def name_str(d):
return "_".join([d.species(), d.site(), d.inlet(), d.instrument()])
rank_info = {
name_str(d): {
"rank": d.rank(),
"data_range": d.daterange_str(),
"uuid": d.uuid()
}
for d in matching_sources
}
self._before_ranking = copy.deepcopy(rank_info)
self._key_uuids = {key: rank_info[key]["uuid"] for key in rank_info}
return rank_info
def test_read_cranfield():
get_local_bucket(empty=True)
data_filepath = get_datapath(filename="THB_hourly_means_test.csv",
data_type="Cranfield_CRDS")
results = ObsSurface.read_file(filepath=data_filepath,
data_type="CRANFIELD")
expected_keys = sorted([
"THB_hourly_means_test_ch4",
"THB_hourly_means_test_co2",
"THB_hourly_means_test_co",
])
assert sorted(results["THB_hourly_means_test.csv"].keys()) == expected_keys
uuid = results["THB_hourly_means_test.csv"]["THB_hourly_means_test_ch4"]
ch4_data = Datasource.load(uuid=uuid, shallow=False).data()
ch4_data = ch4_data["2018-05-05-00:00:00+00:00_2018-05-13-16:00:00+00:00"]
assert ch4_data.time[0] == Timestamp("2018-05-05")
assert ch4_data.time[-1] == Timestamp("2018-05-13T16:00:00")
assert ch4_data["ch4"][0] == pytest.approx(2585.651)
assert ch4_data["ch4"][-1] == pytest.approx(1999.018)
assert ch4_data["ch4 variability"][0] == pytest.approx(75.50218)
assert ch4_data["ch4 variability"][-1] == pytest.approx(6.48413)
# Check obs has stored the keys correctly
obs = ObsSurface.load()
assert sorted(list(obs._datasource_names.keys())) == sorted([
'THB_hourly_means_test_ch4', 'THB_hourly_means_test_co2',
'THB_hourly_means_test_co'
])
def process_data(
data_file,
source_name,
data_type="CRDS",
site=None,
instrument_name=None,
overwrite=False,
):
""" Passes the passed filename(s) to the correct processing
object depending on the data_type argument.
Args:
data_file (str, tuple (str, str)): Paths of file(s) for processing
source_name (str): Name of source
data_type (str, default="CRDS"): Type of data to be processed (CRDS, GC etc)
overwrite (bool, default=False): Should existing and overlapping data be overwritten
Returns:
list: List of Datasources
"""
from HUGS.Modules import ObsSurface
processing_obj = ObsSurface.load()
if data_type == "GC":
try:
data, precision = data_file
except (TypeError, ValueError) as error:
raise TypeError(
"Ensure data and precision files are passed as a tuple\n",
error)
result = processing_obj.read_file(filepath=data_file,
data_type=data_type,
site=site,
instrument=instrument_name)
return result
def search(
locations,
species=None,
inlet=None,
instrument=None,
find_all=True,
start_datetime=None,
end_datetime=None,
):
""" Search for gas data (optionally within a daterange)
TODO - review this function - feel like it can be tidied and simplified
Args:
species (str or list): Terms to search for in Datasources
locations (str or list): Where to search for the terms in species
inlet (str, default=None): Inlet height such as 100m
instrument (str, default=None): Instrument name such as picarro
find_all (bool, default=True): Require all search terms to be satisfied
start_datetime (datetime, default=None): Start datetime for search
If None a start datetime of UNIX epoch (1970-01-01) is set
end_datetime (datetime, default=None): End datetime for search
If None an end datetime of the current datetime is set
Returns:
dict: List of keys of Datasources matching the search parameters
"""
from collections import defaultdict
from json import load
from HUGS.Modules import Datasource, ObsSurface
from HUGS.Util import (get_datetime_now, get_datetime_epoch,
create_daterange_str, timestamp_tzaware,
get_datapath)
# if species is not None and not isinstance(species, list):
if not isinstance(species, list):
species = [species]
if not isinstance(locations, list):
locations = [locations]
# Allow passing of location names instead of codes
site_codes_json = get_datapath(filename="site_codes.json")
with open(site_codes_json, "r") as f:
d = load(f)
site_codes = d["name_code"]
updated_locations = []
# Check locations, if they're longer than three letters do a lookup
for loc in locations:
if len(loc) > 3:
try:
site_code = site_codes[loc.lower()]
updated_locations.append(site_code)
except KeyError:
raise ValueError(f"Invalid site {loc} passed")
else:
updated_locations.append(loc)
locations = updated_locations
if start_datetime is None:
start_datetime = get_datetime_epoch()
if end_datetime is None:
end_datetime = get_datetime_now()
# Ensure passed datetimes are timezone aware
start_datetime = timestamp_tzaware(start_datetime)
end_datetime = timestamp_tzaware(end_datetime)
# Here we want to load in the ObsSurface module for now
obs = ObsSurface.load()
datasource_uuids = obs.datasources()
# Shallow load the Datasources so we can search their metadata
datasources = [
Datasource.load(uuid=uuid, shallow=True) for uuid in datasource_uuids
]
# First we find the Datasources from locations we want to narrow down our search
location_sources = defaultdict(list)
# If we have locations to search
for location in locations:
for datasource in datasources:
if datasource.search_metadata(search_terms=location):
location_sources[location].append(datasource)
# This is returned to the caller
results = defaultdict(dict)
# With both inlet and instrument specified we bypass the ranking system
if inlet is not None and instrument is not None:
for site, sources in location_sources.items():
for sp in species:
for datasource in sources:
# Just match the single source here
if datasource.search_metadata(
search_terms=[sp, site, inlet, instrument],
find_all=True):
daterange_str = create_daterange_str(
start=start_datetime, end=end_datetime)
# Get the data keys for the data in the matching daterange
in_date = datasource.in_daterange(
daterange=daterange_str)
data_date_str = strip_dates_keys(in_date)
key = f"{sp}_{site}_{inlet}_{instrument}".lower()
# Find the keys that match the correct data
results[key]["keys"] = {data_date_str: in_date}
results[key]["metadata"] = datasource.metadata()
return results
for location, sources in location_sources.items():
# Loop over and look for the species
species_data = defaultdict(list)
for datasource in sources:
for s in species:
search_terms = [
x for x in (s, location, inlet, instrument)
if x is not None
]
# Check the species and the daterange
if datasource.search_metadata(search_terms=search_terms,
find_all=True):
species_data[s].append(datasource)
# For each location we want to find the highest ranking sources for the selected species
for sp, sources in species_data.items():
ranked_sources = {}
# How to return all the sources if they're all 0?
for source in sources:
rank_data = source.get_rank(start_date=start_datetime,
end_date=end_datetime)
# With no rank set we get an empty dictionary
if not rank_data:
ranked_sources[0] = 0
continue
# Just get the highest ranked datasources and return them
# Find the highest ranked data from this site
highest_rank = sorted(rank_data.keys())[-1]
if highest_rank == 0:
ranked_sources[0] = 0
continue
ranked_sources[source.uuid()] = {
"rank": highest_rank,
"dateranges": rank_data[highest_rank],
"source": source
}
# If it's all zeroes we want to return all sources
if list(ranked_sources) == [0]:
for source in sources:
key = f"{source.species()}_{source.site()}_{source.inlet()}_{source.instrument()}".lower(
)
daterange_str = create_daterange_str(start=start_datetime,
end=end_datetime)
data_keys = source.in_daterange(daterange=daterange_str)
if not data_keys:
continue
# Get a key that covers the daterange of the actual data and not from epoch to now
# if no start/end datetimes are passed
data_date_str = strip_dates_keys(data_keys)
results[key]["keys"] = {data_date_str: data_keys}
results[key]["metadata"] = source.metadata()
continue
else:
# TODO - find a cleaner way of doing this
# We might have a zero rank, delete it as we have higher ranked data
try:
del ranked_sources[0]
except KeyError:
pass
# Otherwise iterate over the sources that are ranked and extract the keys
for uid in ranked_sources:
source = ranked_sources[uid]["source"]
source_dateranges = ranked_sources[uid]["dateranges"]
key = f"{source.species()}_{source.site()}_{source.inlet()}_{source.instrument()}".lower(
)
data_keys = {}
# Get the keys for each daterange
for d in source_dateranges:
keys_in_date = source.in_daterange(daterange=d)
d = d.replace("+00:00", "")
if keys_in_date:
data_keys[d] = keys_in_date
if not data_keys:
continue
results[key]["keys"] = data_keys
results[key]["metadata"] = source.metadata()
return results
def test_read_GC():
get_local_bucket(empty=True)
data_filepath = get_datapath(filename="capegrim-medusa.18.C",
data_type="GC")
precision_filepath = get_datapath(
filename="capegrim-medusa.18.precisions.C", data_type="GC")
results = ObsSurface.read_file(filepath=(data_filepath,
precision_filepath),
data_type="GCWERKS")
expected_keys = sorted([
"capegrim-medusa.18_NF3",
"capegrim-medusa.18_CF4",
"capegrim-medusa.18_PFC-116",
"capegrim-medusa.18_PFC-218",
"capegrim-medusa.18_PFC-318",
"capegrim-medusa.18_C4F10",
"capegrim-medusa.18_C6F14",
"capegrim-medusa.18_SF6",
"capegrim-medusa.18_SO2F2",
"capegrim-medusa.18_SF5CF3",
"capegrim-medusa.18_HFC-23",
"capegrim-medusa.18_HFC-32",
"capegrim-medusa.18_HFC-125",
"capegrim-medusa.18_HFC-134a",
"capegrim-medusa.18_HFC-143a",
"capegrim-medusa.18_HFC-152a",
"capegrim-medusa.18_HFC-227ea",
"capegrim-medusa.18_HFC-236fa",
"capegrim-medusa.18_HFC-245fa",
"capegrim-medusa.18_HFC-365mfc",
"capegrim-medusa.18_HFC-4310mee",
"capegrim-medusa.18_HCFC-22",
"capegrim-medusa.18_HCFC-124",
"capegrim-medusa.18_HCFC-132b",
"capegrim-medusa.18_HCFC-133a",
"capegrim-medusa.18_HCFC-141b",
"capegrim-medusa.18_HCFC-142b",
"capegrim-medusa.18_CFC-11",
"capegrim-medusa.18_CFC-12",
"capegrim-medusa.18_CFC-13",
"capegrim-medusa.18_CFC-112",
"capegrim-medusa.18_CFC-113",
"capegrim-medusa.18_CFC-114",
"capegrim-medusa.18_CFC-115",
"capegrim-medusa.18_H-1211",
"capegrim-medusa.18_H-1301",
"capegrim-medusa.18_H-2402",
"capegrim-medusa.18_CH3Cl",
"capegrim-medusa.18_CH3Br",
"capegrim-medusa.18_CH3I",
"capegrim-medusa.18_CH2Cl2",
"capegrim-medusa.18_CHCl3",
"capegrim-medusa.18_CCl4",
"capegrim-medusa.18_CH2Br2",
"capegrim-medusa.18_CHBr3",
"capegrim-medusa.18_CH3CCl3",
"capegrim-medusa.18_TCE",
"capegrim-medusa.18_PCE",
"capegrim-medusa.18_ethyne",
"capegrim-medusa.18_ethane",
"capegrim-medusa.18_propane",
"capegrim-medusa.18_c-propane",
"capegrim-medusa.18_benzene",
"capegrim-medusa.18_toluene",
"capegrim-medusa.18_COS",
"capegrim-medusa.18_desflurane",
])
sorted(list(results["capegrim-medusa.18.C"].keys())) == expected_keys
# Load in some data
uuid = results["capegrim-medusa.18.C"]["capegrim-medusa.18_HFC-152a"]
hfc152a_data = Datasource.load(uuid=uuid, shallow=False).data()
hfc152a_data = hfc152a_data[
"2018-01-01-02:24:00+00:00_2018-01-31-23:33:00+00:00"]
assert hfc152a_data.time[0] == Timestamp("2018-01-01T02:24:00")
assert hfc152a_data.time[-1] == Timestamp("2018-01-31T23:33:00")
assert hfc152a_data["hfc152a"][0] == 4.409
assert hfc152a_data["hfc152a"][-1] == 4.262
assert hfc152a_data["hfc152a_repeatability"][0] == 0.03557
assert hfc152a_data["hfc152a_repeatability"][-1] == 0.03271
assert hfc152a_data["hfc152a_status_flag"][0] == 0
assert hfc152a_data["hfc152a_status_flag"][-1] == 0
assert hfc152a_data["hfc152a_integration_flag"][0] == 0
assert hfc152a_data["hfc152a_integration_flag"][-1] == 0
# Check we have the Datasource info saved
obs = ObsSurface.load()
assert sorted(obs._datasource_names.keys()) == expected_keys
del hfc152a_data.attrs["File created"]
assert hfc152a_data.attrs == {
"data_owner": "Paul Krummel",
"data_owner_email": "*****@*****.**",
"inlet_height_magl": "75m_4",
"comment":
"Medusa measurements. Output from GCWerks. See Miller et al. (2008).",
"Conditions of use":
"Ensure that you contact the data owner at the outset of your project.",
"Source": "In situ measurements of air",
"Conventions": "CF-1.6",
"Processed by": "*****@*****.**",
"species": "hfc152a",
"Calibration_scale": "SIO-05",
"station_longitude": 144.689,
"station_latitude": -40.683,
"station_long_name": "Cape Grim, Tasmania",
"station_height_masl": 94.0,
}
def test_read_icos():
get_local_bucket(empty=True)
data_filepath = get_datapath(filename="tta.co2.1minute.222m.min.dat",
data_type="ICOS")
results = ObsSurface.read_file(filepath=data_filepath, data_type="ICOS")
assert list(results["tta.co2.1minute.222m.min.dat"].keys()
)[0] == "tta.co2.1minute.222m.min_co2"
uuid = results["tta.co2.1minute.222m.min.dat"][
"tta.co2.1minute.222m.min_co2"]
data = Datasource.load(uuid=uuid, shallow=False).data()
assert sorted(list(data.keys())) == sorted([
"2011-12-07-01:38:00+00:00_2011-12-31-19:57:00+00:00",
"2011-06-01-05:54:00+00:00_2011-08-31-17:58:00+00:00",
"2011-03-30-08:52:00+00:00_2011-05-31-20:59:00+00:00",
"2011-09-01-11:20:00+00:00_2011-11-30-03:39:00+00:00",
"2012-12-01-04:03:00+00:00_2012-12-31-15:41:00+00:00",
"2012-06-01-11:15:00+00:00_2012-08-07-19:16:00+00:00",
"2012-04-07-06:20:00+00:00_2012-05-31-18:00:00+00:00",
"2012-09-05-02:15:00+00:00_2012-11-30-19:08:00+00:00",
"2013-01-01-00:01:00+00:00_2013-01-17-18:06:00+00:00",
])
co2_data = data["2012-12-01-04:03:00+00:00_2012-12-31-15:41:00+00:00"]
assert co2_data.time[0] == Timestamp("2012-12-01T04:03:00")
assert co2_data.time[-1] == Timestamp("2012-12-31T15:41:00")
assert co2_data["co2"][0] == 397.765
assert co2_data["co2"][-1] == 398.374
assert co2_data["co2_variability"][0] == 0.057
assert co2_data["co2_variability"][-1] == 0.063
assert co2_data["co2_number_of_observations"][0] == 12
assert co2_data["co2_number_of_observations"][-1] == 13
del co2_data.attrs["File created"]
assert co2_data.attrs == {
"Conditions of use":
"Ensure that you contact the data owner at the outset of your project.",
"Source": "In situ measurements of air",
"Conventions": "CF-1.6",
"Processed by": "*****@*****.**",
"species": "co2",
"Calibration_scale": "unknown",
"station_longitude": -2.98598,
"station_latitude": 56.55511,
"station_long_name": "Angus Tower, UK",
"station_height_masl": 300.0,
}
obs = ObsSurface.load()
assert list(
obs._datasource_names.keys())[0] == "tta.co2.1minute.222m.min_co2"
