def test_good_ascii_file_clone(tmp_path):
path = TEST_DATA_DIR / "good_ascii_file.ascii"
data = ASCIIDecoder(path=path)
exclude_cols = ["TP", "CAPE"]
cloned_path = tmp_path / "good_ascii_file.ascii"
cols = [col for col in data.columns if col not in exclude_cols]
data.clone(*cols, path=cloned_path)
cloned_data = ASCIIDecoder(path=cloned_path)
assert_frame_equal(cloned_data.dataframe,
data.dataframe.drop(exclude_cols, axis=1))
def test_good_ascii_file():
path = TEST_DATA_DIR / "good_ascii_file.ascii"
data = ASCIIDecoder(path=path)
assert numpy.allclose(data.dataframe["WSPD"],
[6.163900, 4.319410, 6.537020, 8.513560, 8.770020])
def get_obs_frequency():
payload = request.get_json()
labels, thrWT, path, code, mode = (
payload["labels"],
payload["thrWT"],
payload["path"],
payload["code"],
payload["mode"],
)
predictor_matrix = ASCIIDecoder(path=path).dataframe
thrWT = [float(cell) for cell in thrWT]
series = pandas.Series(dict(zip(labels, thrWT)))
thrL, thrH = series.iloc[::2], series.iloc[1::2]
wt = WeatherType(thrL=thrL,
thrH=thrH,
thrL_labels=labels[::2],
thrH_labels=labels[1::2])
error, predictor_matrix, _ = wt.evaluate(predictor_matrix)
cv_map = wt.plot_maps(predictor_matrix, code, mode.lower())
return jsonify(cv_map)
def get_error_rep():
payload = request.get_json()
labels, matrix, path, numCols = (
payload["labels"],
payload["matrix"],
payload["path"],
payload["numCols"],
)
matrix = [[float(cell) for cell in row] for row in matrix]
df = pandas.DataFrame.from_records(matrix, columns=labels)
thrL, thrH = df.iloc[:, ::2], df.iloc[:, 1::2]
predictor_matrix = ASCIIDecoder(path=path).dataframe
rep = DecisionTree.cal_rep_error(predictor_matrix,
thrL_out=thrL,
thrH_out=thrH,
nBin=int(numCols))
s = StringIO()
np.savetxt(s, rep, delimiter=",")
return jsonify(s.getvalue())
def get_wt_histogram():
payload = request.get_json()
labels, thrWT, path, y_lim, bins = (
payload["labels"],
payload["thrWT"],
payload["path"],
payload["yLim"],
payload["bins"],
)
predictor_matrix = ASCIIDecoder(path=path).dataframe
thrWT = [float(cell) for cell in thrWT]
series = pandas.Series(dict(zip(labels, thrWT)))
thrL, thrH = series.iloc[::2], series.iloc[1::2]
bins = [float(each) for each in bins]
wt = WeatherType(thrL=thrL,
thrH=thrH,
thrL_labels=labels[::2],
thrH_labels=labels[1::2])
error, _, title = wt.evaluate(predictor_matrix)
plot = wt.plot(error, bins, title, int(y_lim))
return jsonify({"histogram": plot})
def test_good_parquet_file():
path = TEST_DATA_DIR / "good_parquet.ascii"
df = ASCIIDecoder(path=path).dataframe
with NamedTemporaryFile() as f:
w = ParquetPointDataTableWriter(f.name)
w.add_metadata("header", "foo")
w.add_metadata("footer", "bar")
w.append(df.copy())
w.close()
r = ParquetPointDataTableReader(f.name)
metadata = r.metadata
df_pq = r.dataframe
assert metadata == {"header": "foo", "footer": "bar"}
assert df.memory_usage(deep=True).sum() > df_pq.memory_usage(
deep=True).sum()
assert_frame_equal(df_pq, df, check_dtype=False, check_categorical=False)
def test_good_parquet_file_clone(tmp_path):
path = TEST_DATA_DIR / "good_parquet.ascii"
df = ASCIIDecoder(path=path).dataframe
with NamedTemporaryFile() as f:
w = ParquetPointDataTableWriter(f.name)
w.add_columns_chunk(df.copy())
w.close()
r = ParquetPointDataTableReader(f.name)
exclude_cols = ["tp_acc", "cape_wa"]
cloned_path = tmp_path / "good_parquet.parquet"
cols = [col for col in r.columns if col not in exclude_cols]
r.clone(*cols, path=cloned_path)
cloned_data = ParquetPointDataTableReader(cloned_path)
assert_frame_equal(
cloned_data.dataframe,
df.drop(exclude_cols, axis=1),
check_dtype=False,
check_categorical=False,
)
def load_point_data_by_path(path: str,
cheaper: bool = False) -> BasePointDataReader:
from core.loaders.ascii import ASCIIDecoder
from core.loaders.parquet import ParquetPointDataTableReader
if path.endswith(".ascii") or path.endswith(".csv"):
loader = ASCIIDecoder(path=path, cheaper=cheaper)
elif path.endswith(".parquet"):
loader = ParquetPointDataTableReader(path=path, cheaper=cheaper)
else:
raise ValueError(f"invalid file extension: {path}")
print(f"Loaded point data table: {loader}")
return loader
def get_breakpoints_suggestions():
payload = request.get_json()
labels, thrWT, path, predictor, minNumCases, numSubSamples = (
payload["labels"],
payload["thrWT"],
payload["path"],
payload["predictor"],
int(payload["minNumCases"]),
int(payload["numSubSamples"]),
)
predictor_matrix = ASCIIDecoder(path=path).dataframe
thrWT = [float(cell) for cell in thrWT]
series = pandas.Series(dict(zip(labels, thrWT)))
thrL, thrH = series.iloc[::2], series.iloc[1::2]
wt = WeatherType(thrL=thrL,
thrH=thrH,
thrL_labels=labels[::2],
thrH_labels=labels[1::2])
error, predictor_matrix, title = wt.evaluate(predictor_matrix)
predictor = predictor_matrix[predictor]
error = np.asarray(error)
sort_indices = predictor.argsort()
error = error[sort_indices]
predictor = predictor[::]
predictor.sort_values(inplace=True)
PosAll = pandas.Series(range(len(predictor)))
PosBP = pandas.Series(
list(range(0, len(predictor),
len(predictor) // numSubSamples)) + [len(predictor)])
breakpoints = KolmogorovSmirnovEngine().run(predictor, error, PosAll,
PosBP)
return Response(json.dumps({"breakpoints": breakpoints}),
mimetype="application/json")
def test_alfa_units():
path = TEST_DATA_DIR / "ecmwf" / "alfa.ascii"
data = ASCIIDecoder(path=path)
assert data.units == {
"predictand": {
"tp": "m"
},
"predictors": {
"TP": "mm",
"CP": "mm",
"CPR": "-",
"CAPE": "J kg**-1",
"WSPD": "m s**-1",
"SR24H": "W m**-2",
"LST": "Hours (0 to 24)",
},
"observations": {
"tp": "mm"
},
}
def save_wt_histograms():
payload = request.get_json()
labels, thrGridOut, path, y_lim, destination, bins = (
payload["labels"],
payload["thrGridOut"],
payload["path"],
payload["yLim"],
payload["destinationDir"],
payload["bins"],
)
predictor_matrix = ASCIIDecoder(path=path).dataframe
matrix = [[float(cell) for cell in row[1:]] for row in thrGridOut]
df = pandas.DataFrame.from_records(matrix, columns=labels)
bins = [float(each) for each in bins]
thrL_out, thrH_out = df.iloc[:, ::2], df.iloc[:, 1::2]
for idx in range(len(thrL_out)):
thrL = thrL_out.iloc[idx]
thrH = thrH_out.iloc[idx]
wt = WeatherType(thrL=thrL,
thrH=thrH,
thrL_labels=labels[::2],
thrH_labels=labels[1::2])
error, _, title = wt.evaluate(predictor_matrix)
wt_code = thrGridOut[idx][0]
wt.plot(
error,
bins,
title,
y_lim=int(y_lim),
out_path=os.path.join(destination, f"WT_{wt_code}"),
)
return jsonify({"status": "success"})
def get_fields_from_ascii_table():
payload = request.get_json()
path = payload["path"]
df = ASCIIDecoder(path=path).dataframe
fields = set(df.columns) - {
"BaseDate",
"BaseTime",
"StepF",
"Step",
"DateOBS",
"TimeOBS",
"LatOBS",
"LonOBS",
"OBS",
"Predictand",
"FER",
"FE",
}
error = "FER" if "FER" in df.columns else "FE"
return Response(
json.dumps({
"fields":
list(fields),
"minValue":
min(df[error]),
"maxValue":
max(df[error]),
"count":
len(df[error]),
"error":
error,
"bins":
WeatherType.DEFAULT_FER_BINS if error == "FER" else [],
}),
mimetype="application/json",
)
