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new da79821 Add Python snippet for Keys, Values, KvSwap, and ToString
transform
new 778bf33 Merge pull request #8906 from davidcavazos/element-wise-simple
da79821 is described below
commit da79821368ffd7dd4ab0261a274731cbb8e9a44e
Author: David Cavazos <dcava...@google.com>
AuthorDate: Mon Jun 10 16:17:20 2019 -0700
Add Python snippet for Keys, Values, KvSwap, and ToString transform
---
.../snippets/transforms/element_wise/keys.py | 42 +++++++++++++++++
.../snippets/transforms/element_wise/keys_test.py | 55 ++++++++++++++++++++++
.../snippets/transforms/element_wise/kvswap.py | 42 +++++++++++++++++
.../transforms/element_wise/kvswap_test.py | 55 ++++++++++++++++++++++
.../snippets/transforms/element_wise/to_string.py | 42 +++++++++++++++++
.../transforms/element_wise/to_string_test.py | 55 ++++++++++++++++++++++
.../snippets/transforms/element_wise/values.py | 42 +++++++++++++++++
.../transforms/element_wise/values_test.py | 55 ++++++++++++++++++++++
8 files changed, 388 insertions(+)
diff --git
a/sdks/python/apache_beam/examples/snippets/transforms/element_wise/keys.py
b/sdks/python/apache_beam/examples/snippets/transforms/element_wise/keys.py
new file mode 100644
index 0000000..01c9d6b
--- /dev/null
+++ b/sdks/python/apache_beam/examples/snippets/transforms/element_wise/keys.py
@@ -0,0 +1,42 @@
+# coding=utf-8
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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.
+#
+
+from __future__ import absolute_import
+from __future__ import print_function
+
+
+def keys(test=None):
+ # [START keys]
+ import apache_beam as beam
+
+ with beam.Pipeline() as pipeline:
+ icons = (
+ pipeline
+ | 'Garden plants' >> beam.Create([
+ ('🍓', 'Strawberry'),
+ ('🥕', 'Carrot'),
+ ('🍆', 'Eggplant'),
+ ('🍅', 'Tomato'),
+ ('🥔', 'Potato'),
+ ])
+ | 'Keys' >> beam.Keys()
+ | beam.Map(print)
+ )
+ # [END keys]
+ if test:
+ test(icons)
diff --git
a/sdks/python/apache_beam/examples/snippets/transforms/element_wise/keys_test.py
b/sdks/python/apache_beam/examples/snippets/transforms/element_wise/keys_test.py
new file mode 100644
index 0000000..9cb4909
--- /dev/null
+++
b/sdks/python/apache_beam/examples/snippets/transforms/element_wise/keys_test.py
@@ -0,0 +1,55 @@
+# coding=utf-8
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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.
+#
+
+from __future__ import absolute_import
+from __future__ import print_function
+
+import unittest
+
+import mock
+
+from apache_beam.examples.snippets.transforms.element_wise.keys import *
+from apache_beam.testing.test_pipeline import TestPipeline
+from apache_beam.testing.util import assert_that
+from apache_beam.testing.util import equal_to
+
+
+@mock.patch('apache_beam.Pipeline', TestPipeline)
+# pylint: disable=line-too-long
+@mock.patch('apache_beam.examples.snippets.transforms.element_wise.keys.print',
lambda elem: elem)
+# pylint: enable=line-too-long
+class KeysTest(unittest.TestCase):
+ def __init__(self, methodName):
+ super(KeysTest, self).__init__(methodName)
+ # [START icons]
+ icons = [
+ '🍓',
+ '🥕',
+ '🍆',
+ '🍅',
+ '🥔',
+ ]
+ # [END icons]
+ self.icons_test = lambda actual: assert_that(actual, equal_to(icons))
+
+ def test_keys(self):
+ keys(self.icons_test)
+
+
+if __name__ == '__main__':
+ unittest.main()
diff --git
a/sdks/python/apache_beam/examples/snippets/transforms/element_wise/kvswap.py
b/sdks/python/apache_beam/examples/snippets/transforms/element_wise/kvswap.py
new file mode 100644
index 0000000..2107fd5
--- /dev/null
+++
b/sdks/python/apache_beam/examples/snippets/transforms/element_wise/kvswap.py
@@ -0,0 +1,42 @@
+# coding=utf-8
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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.
+#
+
+from __future__ import absolute_import
+from __future__ import print_function
+
+
+def kvswap(test=None):
+ # [START kvswap]
+ import apache_beam as beam
+
+ with beam.Pipeline() as pipeline:
+ plants = (
+ pipeline
+ | 'Garden plants' >> beam.Create([
+ ('🍓', 'Strawberry'),
+ ('🥕', 'Carrot'),
+ ('🍆', 'Eggplant'),
+ ('🍅', 'Tomato'),
+ ('🥔', 'Potato'),
+ ])
+ | 'Key-Value swap' >> beam.KvSwap()
+ | beam.Map(print)
+ )
+ # [END kvswap]
+ if test:
+ test(plants)
diff --git
a/sdks/python/apache_beam/examples/snippets/transforms/element_wise/kvswap_test.py
b/sdks/python/apache_beam/examples/snippets/transforms/element_wise/kvswap_test.py
new file mode 100644
index 0000000..85fa9dc
--- /dev/null
+++
b/sdks/python/apache_beam/examples/snippets/transforms/element_wise/kvswap_test.py
@@ -0,0 +1,55 @@
+# coding=utf-8
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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.
+#
+
+from __future__ import absolute_import
+from __future__ import print_function
+
+import unittest
+
+import mock
+
+from apache_beam.examples.snippets.transforms.element_wise.kvswap import *
+from apache_beam.testing.test_pipeline import TestPipeline
+from apache_beam.testing.util import assert_that
+from apache_beam.testing.util import equal_to
+
+
+@mock.patch('apache_beam.Pipeline', TestPipeline)
+# pylint: disable=line-too-long
+@mock.patch('apache_beam.examples.snippets.transforms.element_wise.kvswap.print',
lambda elem: elem)
+# pylint: enable=line-too-long
+class KvSwapTest(unittest.TestCase):
+ def __init__(self, methodName):
+ super(KvSwapTest, self).__init__(methodName)
+ # [START plants]
+ plants = [
+ ('Strawberry', '🍓'),
+ ('Carrot', '🥕'),
+ ('Eggplant', '🍆'),
+ ('Tomato', '🍅'),
+ ('Potato', '🥔'),
+ ]
+ # [END plants]
+ self.plants_test = lambda actual: assert_that(actual, equal_to(plants))
+
+ def test_kvswap(self):
+ kvswap(self.plants_test)
+
+
+if __name__ == '__main__':
+ unittest.main()
diff --git
a/sdks/python/apache_beam/examples/snippets/transforms/element_wise/to_string.py
b/sdks/python/apache_beam/examples/snippets/transforms/element_wise/to_string.py
new file mode 100644
index 0000000..7a64bfa
--- /dev/null
+++
b/sdks/python/apache_beam/examples/snippets/transforms/element_wise/to_string.py
@@ -0,0 +1,42 @@
+# coding=utf-8
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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.
+#
+
+from __future__ import absolute_import
+from __future__ import print_function
+
+
+def to_string(test=None):
+ # [START to_string]
+ import apache_beam as beam
+
+ with beam.Pipeline() as pipeline:
+ plants = (
+ pipeline
+ | 'Garden plants' >> beam.Create([
+ ('Strawberry', 'perennial'),
+ ('Carrot', 'biennial'),
+ ('Eggplant', 'perennial'),
+ ('Tomato', 'annual'),
+ ('Potato', 'perennial'),
+ ])
+ | 'To string' >> beam.Map(lambda plant: str(plant))
+ | beam.Map(print)
+ )
+ # [END to_string]
+ if test:
+ test(plants)
diff --git
a/sdks/python/apache_beam/examples/snippets/transforms/element_wise/to_string_test.py
b/sdks/python/apache_beam/examples/snippets/transforms/element_wise/to_string_test.py
new file mode 100644
index 0000000..5fcf83c
--- /dev/null
+++
b/sdks/python/apache_beam/examples/snippets/transforms/element_wise/to_string_test.py
@@ -0,0 +1,55 @@
+# coding=utf-8
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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.
+#
+
+from __future__ import absolute_import
+from __future__ import print_function
+
+import unittest
+
+import mock
+
+from apache_beam.examples.snippets.transforms.element_wise.to_string import *
+from apache_beam.testing.test_pipeline import TestPipeline
+from apache_beam.testing.util import assert_that
+from apache_beam.testing.util import equal_to
+
+
+@mock.patch('apache_beam.Pipeline', TestPipeline)
+# pylint: disable=line-too-long
+@mock.patch('apache_beam.examples.snippets.transforms.element_wise.to_string.print',
lambda elem: elem)
+# pylint: enable=line-too-long
+class ToStringTest(unittest.TestCase):
+ def __init__(self, methodName):
+ super(ToStringTest, self).__init__(methodName)
+ # [START plants]
+ plants = [
+ "('Strawberry', 'perennial')",
+ "('Carrot', 'biennial')",
+ "('Eggplant', 'perennial')",
+ "('Tomato', 'annual')",
+ "('Potato', 'perennial')",
+ ]
+ # [END plants]
+ self.plants_test = lambda actual: assert_that(actual, equal_to(plants))
+
+ def test_to_string(self):
+ to_string(self.plants_test)
+
+
+if __name__ == '__main__':
+ unittest.main()
diff --git
a/sdks/python/apache_beam/examples/snippets/transforms/element_wise/values.py
b/sdks/python/apache_beam/examples/snippets/transforms/element_wise/values.py
new file mode 100644
index 0000000..8504ff4
--- /dev/null
+++
b/sdks/python/apache_beam/examples/snippets/transforms/element_wise/values.py
@@ -0,0 +1,42 @@
+# coding=utf-8
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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.
+#
+
+from __future__ import absolute_import
+from __future__ import print_function
+
+
+def values(test=None):
+ # [START values]
+ import apache_beam as beam
+
+ with beam.Pipeline() as pipeline:
+ plants = (
+ pipeline
+ | 'Garden plants' >> beam.Create([
+ ('🍓', 'Strawberry'),
+ ('🥕', 'Carrot'),
+ ('🍆', 'Eggplant'),
+ ('🍅', 'Tomato'),
+ ('🥔', 'Potato'),
+ ])
+ | 'Values' >> beam.Values()
+ | beam.Map(print)
+ )
+ # [END values]
+ if test:
+ test(plants)
diff --git
a/sdks/python/apache_beam/examples/snippets/transforms/element_wise/values_test.py
b/sdks/python/apache_beam/examples/snippets/transforms/element_wise/values_test.py
new file mode 100644
index 0000000..b43d911
--- /dev/null
+++
b/sdks/python/apache_beam/examples/snippets/transforms/element_wise/values_test.py
@@ -0,0 +1,55 @@
+# coding=utf-8
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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.
+#
+
+from __future__ import absolute_import
+from __future__ import print_function
+
+import unittest
+
+import mock
+
+from apache_beam.examples.snippets.transforms.element_wise.values import *
+from apache_beam.testing.test_pipeline import TestPipeline
+from apache_beam.testing.util import assert_that
+from apache_beam.testing.util import equal_to
+
+
+@mock.patch('apache_beam.Pipeline', TestPipeline)
+# pylint: disable=line-too-long
+@mock.patch('apache_beam.examples.snippets.transforms.element_wise.values.print',
lambda elem: elem)
+# pylint: enable=line-too-long
+class ValuesTest(unittest.TestCase):
+ def __init__(self, methodName):
+ super(ValuesTest, self).__init__(methodName)
+ # [START plants]
+ plants = [
+ 'Strawberry',
+ 'Carrot',
+ 'Eggplant',
+ 'Tomato',
+ 'Potato',
+ ]
+ # [END plants]
+ self.plants_test = lambda actual: assert_that(actual, equal_to(plants))
+
+ def test_values(self):
+ values(self.plants_test)
+
+
+if __name__ == '__main__':
+ unittest.main()
