Add missing copyright headers. (rapidsai#11712)

While working on rapidsai#11711, I noticed a set of files that did not have copyright headers in place. This PR fixes them. I used the "start year" from the output of `git log` indicating the first commit to each file.

Authors:
  - Bradley Dice (https://github.com/bdice)

Approvers:
  - GALI PREM SAGAR (https://github.com/galipremsagar)
  - Jordan Jacobelli (https://github.com/Ethyling)
  - Nghia Truong (https://github.com/ttnghia)

URL: rapidsai#11712

ci/gpu/test-notebooks.sh

@@ -1,4 +1,5 @@
 #!/bin/bash
+# Copyright (c) 2020-2022, NVIDIA CORPORATION.
 
 NOTEBOOKS_DIR="$WORKSPACE/notebooks"
 NBTEST="$WORKSPACE/ci/utils/nbtest.sh"

ci/local/build.sh

@@ -1,4 +1,5 @@
 #!/bin/bash
+# Copyright (c) 2019-2022, NVIDIA CORPORATION.
 
 GIT_DESCRIBE_TAG=`git describe --tags`
 MINOR_VERSION=`echo $GIT_DESCRIBE_TAG | grep -o -E '([0-9]+\.[0-9]+)'`

ci/utils/nbtest.sh

@@ -1,4 +1,5 @@
 #!/bin/bash
+# Copyright (c) 2020-2022, NVIDIA CORPORATION.
 
 MAGIC_OVERRIDE_CODE="
 def my_run_line_magic(*args, **kwargs):

cpp/examples/basic/src/process_csv.cpp

@@ -1,3 +1,19 @@
+/*
+ * Copyright (c) 2021-2022, NVIDIA CORPORATION.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #include <cudf/aggregation.hpp>
 #include <cudf/groupby.hpp>
 #include <cudf/io/csv.hpp>

cpp/include/cudf/io/text/detail/tile_state.hpp

@@ -1,3 +1,18 @@
+/*
+ * Copyright (c) 2021-2022, NVIDIA CORPORATION.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
 #pragma once
 

cpp/tests/utilities/table_utilities.cu

@@ -1,3 +1,19 @@
+/*
+ * Copyright (c) 2019-2022, NVIDIA CORPORATION.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #include <cudf_test/column_utilities.hpp>
 #include <cudf_test/table_utilities.hpp>
 

docs/cudf/source/_ext/PandasCompat.py

@@ -1,3 +1,5 @@
+# Copyright (c) 2021-2022, NVIDIA CORPORATION
+
 # This file is adapted from official sphinx tutorial for `todo` extension:
 # https://www.sphinx-doc.org/en/master/development/tutorials/todo.html
 

print_env.sh

@@ -1,7 +1,8 @@
 #!/usr/bin/env bash
+# Copyright (c) 2022, NVIDIA CORPORATION.
 # Reports relevant environment information useful for diagnosing and
 # debugging cuDF issues.
-# Usage: 
+# Usage:
 # "./print_env.sh" - prints to stdout
 # "./print_env.sh > env.txt" - prints to file "env.txt"
 
@@ -14,32 +15,32 @@ git submodule status --recursive
 else
 echo "Not inside a git repository"
 fi
-echo 
+echo
 
 echo "***OS Information***"
 cat /etc/*-release
 uname -a
-echo 
+echo
 
 echo "***GPU Information***"
 nvidia-smi
-echo 
+echo
 
 echo "***CPU***"
 lscpu
 echo
 
 echo "***CMake***"
 which cmake && cmake --version
-echo 
+echo
 
 echo "***g++***"
 which g++ && g++ --version
-echo 
+echo
 
 echo "***nvcc***"
 which nvcc && nvcc --version
-echo 
+echo
 
 echo "***Python***"
 which python && python -c "import sys; print('Python {0}.{1}.{2}'.format(sys.version_info[0], sys.version_info[1], sys.version_info[2]))"

python/cudf/cudf/_lib/cpp/datetime.pxd

@@ -1,3 +1,5 @@
+# Copyright (c) 2020-2022, NVIDIA CORPORATION.
+
 from libcpp.memory cimport unique_ptr
 
 from cudf._lib.cpp.column.column cimport column

python/cudf/cudf/core/udf/__init__.py

@@ -1 +1,3 @@
+# Copyright (c) 2021-2022, NVIDIA CORPORATION.
+
 from . import typing, lowering

python/cudf/cudf/core/udf/_ops.py

@@ -1,3 +1,5 @@
+# Copyright (c) 2021-2022, NVIDIA CORPORATION.
+
 import math
 import operator
 

python/cudf/cudf/core/udf/api.py

@@ -1,3 +1,6 @@
+# Copyright (c) 2021-2022, NVIDIA CORPORATION.
+
+
 class Masked:
     """
     Most of the time, MaskedType as defined in typing.py

python/cudf/cudf/core/window/__init__.py

@@ -1 +1,3 @@
+# Copyright (c) 2019-2022, NVIDIA CORPORATION
+
 from cudf.core.window.rolling import Rolling

python/cudf/cudf/tests/test_apply_rows.py

@@ -1,3 +1,5 @@
+# Copyright (c) 2019-2022, NVIDIA CORPORATION.
+
 import pytest
 
 import cudf

python/cudf/cudf/tests/test_datasets.py

@@ -1,3 +1,5 @@
+# Copyright (c) 2019-2022, NVIDIA CORPORATION.
+
 import numpy as np
 
 import cudf as gd

python/cudf/cudf/tests/test_numpy_interop.py

@@ -1,3 +1,5 @@
+# Copyright (c) 2019-2022, NVIDIA CORPORATION.
+
 import numpy as np
 import pytest
 

python/cudf/cudf/tests/test_query_mask.py

@@ -1,3 +1,5 @@
+# Copyright (c) 2019-2022, NVIDIA CORPORATION.
+
 import numpy as np
 import pandas as pd
 import pytest

python/dask_cudf/dask_cudf/io/json.py

@@ -1,3 +1,5 @@
+# Copyright (c) 2019-2022, NVIDIA CORPORATION.
+
 from functools import partial
 
 import dask

python/dask_cudf/dask_cudf/io/tests/test_csv.py

@@ -1,3 +1,5 @@
+# Copyright (c) 2019-2022, NVIDIA CORPORATION.
+
 import gzip
 import os
 import warnings

python/dask_cudf/dask_cudf/io/tests/test_json.py

@@ -1,3 +1,5 @@
+# Copyright (c) 2019-2022, NVIDIA CORPORATION.
+
 import os
 
 import pandas as pd

python/dask_cudf/dask_cudf/tests/test_delayed_io.py

@@ -1,6 +1,9 @@
+# Copyright (c) 2019-2022, NVIDIA CORPORATION.
+
 """
 Test IO with dask.delayed API
 """
+
 import numpy as np
 import pytest
 from pandas.testing import assert_frame_equal

python/dask_cudf/dask_cudf/tests/test_dispatch.py

@@ -1,3 +1,5 @@
+# Copyright (c) 2021-2022, NVIDIA CORPORATION.
+
 import pandas as pd
 
 from dask.dataframe.methods import is_categorical_dtype

python/dask_cudf/dask_cudf/tests/test_join.py

@@ -1,3 +1,5 @@
+# Copyright (c) 2019-2022, NVIDIA CORPORATION.
+
 from functools import partial
 
 import numpy as np

python/dask_cudf/dask_cudf/tests/test_sort.py

@@ -1,3 +1,5 @@
+# Copyright (c) 2019-2022, NVIDIA CORPORATION.
+
 import cupy as cp
 import numpy as np
 import pytest

python/dask_cudf/dask_cudf/tests/test_struct.py

@@ -1,3 +1,5 @@
+# Copyright (c) 2021-2022, NVIDIA CORPORATION.
+
 import pytest
 
 import cudf