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# (C) Copyright 2017- ECMWF.
#
# This software is licensed under the terms of the Apache Licence Version 2.0
# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
#
# In applying this licence, ECMWF does not waive the privileges and immunities
# granted to it by virtue of its status as an intergovernmental organisation
# nor does it submit to any jurisdiction.
#
import os
import shutil
import tempfile
import metview as mv
PATH = os.path.dirname(__file__)
DS_DIR = ""
def build_dataset():
# make conf file
global DS_DIR
DS_DIR = tempfile.mkdtemp()
# DS_DIR = "/var/folders/ng/g0zkhc2s42xbslpsywwp_26m0000gn/T/tmpa_i2t_y6"
# print(f"DS_DIR={DS_DIR}")
data_dir = os.path.join(DS_DIR, "data")
an_dir = os.path.join("__ROOTDIR__", "an")
oper_dir = os.path.join("__ROOTDIR__", "oper")
ds_def = rf"""
experiments:
- an:
label: "an"
dir: {an_dir}
fname : re"[A-Za-z0-9]+_[A-z]+\.grib"
- oper:
label: "oper"
dir: {oper_dir}
fname : re"[A-Za-z0-9]+_[A-z]+\.grib"
"""
with open(os.path.join(DS_DIR, "data.yaml"), "w") as f:
f.write(ds_def)
shutil.copytree(os.path.join(PATH, "ds"), os.path.join(DS_DIR, "data"))
conf_dir = os.path.join(DS_DIR, "conf")
if not os.path.exists(conf_dir):
os.mkdir(conf_dir)
def remove_dataset():
global DS_DIR
if DS_DIR and os.path.exists(DS_DIR) and not DS_DIR in ["/", "."]:
shutil.rmtree(DS_DIR)
DS_DIR = ""
def test_dataset():
build_dataset()
ds = mv.load_dataset(DS_DIR)
assert list(ds.field_conf.keys()) == ["an", "oper"]
assert ds.name == os.path.basename(DS_DIR)
# indexing
ds.scan()
index_dir = os.path.join(DS_DIR, "index")
assert os.path.exists(index_dir)
for comp in ["an", "oper"]:
for f in [
"datafiles.yaml",
"scalar.csv.gz",
"wind10m.csv.gz",
"wind.csv.gz",
"wind3d.csv.gz",
]:
assert os.path.exists(os.path.join(index_dir, comp, f))
# reload ds
ds = mv.load_dataset(DS_DIR)
# Analysis
d = ds["an"].select(
dateTime=[mv.date("2016-09-25 00:00"), mv.date("2016-09-26 00:00")]
)
assert isinstance(d, mv.Fieldset)
assert set(ds["an"].blocks.keys()) == set(["scalar", "wind10m", "wind", "wind3d"])
assert set(d._db.blocks.keys()) == set(["scalar", "wind10m", "wind", "wind3d"])
v = d["msl"]
assert isinstance(v, mv.Fieldset)
assert len(v) == 2
assert mv.grib_get(v, ["shortName", "date:l", "time:l"]) == [
["msl", 20160925, 0],
["msl", 20160926, 0],
]
v = d["t500"]
assert isinstance(v, mv.Fieldset)
assert len(v) == 2
assert mv.grib_get(v, ["shortName", "date:l", "time:l", "level:l"]) == [
["t", 20160925, 0, 500],
["t", 20160926, 0, 500],
]
v = d["pv320K"]
assert isinstance(v, mv.Fieldset)
assert len(v) == 2
assert mv.grib_get(
v, ["shortName", "date:l", "time:l", "level:l", "typeOfLevel"]
) == [["pv", 20160925, 0, 320, "theta"], ["pv", 20160926, 0, 320, "theta"]]
v = d["wind850"]
assert isinstance(v, mv.Fieldset)
assert len(v) == 4
assert mv.grib_get(
v, ["shortName", "date:l", "time:l", "level:l", "typeOfLevel"]
) == [
["u", 20160925, 0, 850, "isobaricInhPa"],
["v", 20160925, 0, 850, "isobaricInhPa"],
["u", 20160926, 0, 850, "isobaricInhPa"],
["v", 20160926, 0, 850, "isobaricInhPa"],
]
v = d["wind10m"]
assert isinstance(v, mv.Fieldset)
assert len(v) == 4
assert mv.grib_get(v, ["shortName", "date:l", "time:l", "typeOfLevel"]) == [
["10u", 20160925, 0, "surface"],
["10v", 20160925, 0, "surface"],
["10u", 20160926, 0, "surface"],
["10v", 20160926, 0, "surface"],
]
v = d["wind"]
assert isinstance(v, mv.Fieldset)
assert len(v) == 8
assert mv.grib_get(
v, ["shortName", "date:l", "time:l", "level:l", "typeOfLevel"]
) == [
["u", 20160925, 0, 500, "isobaricInhPa"],
["v", 20160925, 0, 500, "isobaricInhPa"],
["u", 20160925, 0, 850, "isobaricInhPa"],
["v", 20160925, 0, 850, "isobaricInhPa"],
["u", 20160926, 0, 500, "isobaricInhPa"],
["v", 20160926, 0, 500, "isobaricInhPa"],
["u", 20160926, 0, 850, "isobaricInhPa"],
["v", 20160926, 0, 850, "isobaricInhPa"],
]
v = d["wind3d"]
assert isinstance(v, mv.Fieldset)
assert len(v) == 12
assert mv.grib_get(
v, ["shortName", "date:l", "time:l", "level:l", "typeOfLevel"]
) == [
["u", 20160925, 0, 500, "isobaricInhPa"],
["v", 20160925, 0, 500, "isobaricInhPa"],
["w", 20160925, 0, 500, "isobaricInhPa"],
["u", 20160925, 0, 850, "isobaricInhPa"],
["v", 20160925, 0, 850, "isobaricInhPa"],
["w", 20160925, 0, 850, "isobaricInhPa"],
["u", 20160926, 0, 500, "isobaricInhPa"],
["v", 20160926, 0, 500, "isobaricInhPa"],
["w", 20160926, 0, 500, "isobaricInhPa"],
["u", 20160926, 0, 850, "isobaricInhPa"],
["v", 20160926, 0, 850, "isobaricInhPa"],
["w", 20160926, 0, 850, "isobaricInhPa"],
]
# Oper
run = mv.date("2016-09-25 00:00")
d = ds["oper"].select(date=run.date(), time=run.time(), step=[120])
assert isinstance(d, mv.Fieldset)
assert set(ds["oper"].blocks.keys()) == set(["scalar", "wind10m", "wind", "wind3d"])
assert set(d._db.blocks.keys()) == set(["scalar", "wind10m", "wind", "wind3d"])
v = d["msl"]
assert isinstance(v, mv.Fieldset)
assert len(v) == 1
assert mv.grib_get(v, ["shortName", "date:l", "time:l", "step:l"]) == [
["msl", 20160925, 0, 120]
]
remove_dataset()
def test_dataset_create_template():
global DS_DIR
DS_DIR = tempfile.mkdtemp()
mv.dataset.create_dataset_template(DS_DIR)
for d in ["conf", "data", "index"]:
d_path = os.path.join(DS_DIR, d)
assert os.path.isdir(d_path)
for f in ["params.yaml", "param_styles.yaml", "areas.yaml", "map_styles"]:
f_path = os.path.join(DS_DIR, "conf", f)
assert os.path.exists(d_path)
f_path = os.path.join(DS_DIR, "data.yaml")
assert os.path.exists(f_path)
remove_dataset()
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