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# Copyright 2022- 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.
# flake8: noqa: F403
# flake8: noqa: F405
import sys
import numpy as np
import pytest as pt
import eccodes
from eccodes import *
from eccodes.highlevel._bufr import *
if sys.platform.startswith("win32"):
pt.skip("Not applicable on Windows", allow_module_level=True)
@pt.fixture(autouse=True)
def fixture(monkeypatch):
import os
this_dir = os.path.dirname(__file__)
monkeypatch.chdir(this_dir) # always run tests from the tests directory
@pt.mark.skipif(
eccodes.__version__ < "2.41.0",
reason="requires eccodes 2.41.0; otherwise segfaults (see ECC-2024)",
)
def test_workaround_for_ECC_2015():
old = BUFRMessage(open("./sample-data/hdob.bufr"))
old.copy(subsets=[0])
old.copy(subsets=[1]) # would fail without the workaround
def test_workaround_for_ECC_1624():
# Consider the following message with operator 222000, and thus the 'centre'
# key in the data section.
bufr = BUFRMessage("BUFR3")
bufr["numberOfSubsets"] = 1
bufr["compressedData"] = 0
bufr["unexpandedDescriptors"] = [
307011,
7006,
10004,
222000,
101023,
31031,
1031,
1032,
101023,
33007,
]
# There should be only one element with key 'centre', and its
# initial value should be missing.
assert bufr.get_count("centre") == 1
assert bufr["centre"] is np.ma.masked
# Test that setting 'centre' value does the right thing, and doesn't interfere
# with 'bufrHeaderCentre' from section 1.
bufr["centre"] = 42
bufr.pack()
assert bufr["centre"] == 42
assert bufr["bufrHeaderCentre"] == 98
# Test that setting 'centre' on header raises an exception.
with pt.raises(KeyValueNotFoundError):
bufr.header["centre"]
with pt.raises(KeyValueNotFoundError):
bufr.header["centre"] = 42
# Now consider a message *without* operator 222000, and thus *no* 'centre'
# key in the data section.
bufr = BUFRMessage("BUFR3")
bufr["numberOfSubsets"] = 1
bufr["compressedData"] = 0
bufr["unexpandedDescriptors"] = [307011]
# Test that setting 'centre' raises an exception.
with pt.raises(KeyValueNotFoundError):
bufr["centre"]
with pt.raises(KeyValueNotFoundError):
bufr["centre"] = 42
def test_workaround_for_ECC_2098():
bufr = BUFRMessage("BUFR3")
bufr["inputDelayedDescriptorReplicationFactor"] = 3
bufr["unexpandedDescriptors"] = [
104000, # Delayed replication of 4 elements
31001, # Delayed replication factor
204001, # Operator: Add associated field
31021, # Associated field significance
11001, # Wind speed
204000, # Operator: Close associated field
]
bufr["windDirection->associatedField"] = [0, 0, 0] # OK
bufr["windDirection->associatedField->associatedFieldSignificance"] = [
1,
1,
1,
] # Would raise ArrayTooSmallError when packing
bufr.pack()
def test_workaround_for_ECC_2022():
old = BUFRMessage(open("./sample-data/amv-goes-9.bufr", "rb"))
new = old.copy()
old.copy_to(new)
assert old.data == new.data # would fail without the workaround
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