feature: add 1p algorithm image_uris migration tool

src/sagemaker/cli/compatibility/v2/ast_transformer.py

@@ -37,6 +37,7 @@
     modifiers.training_input.TrainingInputConstructorRefactor(),
     modifiers.training_input.ShuffleConfigModuleRenamer(),
     modifiers.serde.SerdeConstructorRenamer(),
+    modifiers.image_uris.ImageURIRetrieveRefactor(),
 ]
 
 IMPORT_MODIFIERS = [modifiers.tfs.TensorFlowServingImportRenamer()]
@@ -55,6 +56,7 @@
     modifiers.training_input.ShuffleConfigImportFromRenamer(),
     modifiers.serde.SerdeImportFromAmazonCommonRenamer(),
     modifiers.serde.SerdeImportFromPredictorRenamer(),
+    modifiers.image_uris.ImageURIRetrieveImportFromRenamer(),
 ]
 
 

src/sagemaker/cli/compatibility/v2/modifiers/__init__.py

@@ -24,4 +24,5 @@
     tfs,
     training_params,
     training_input,
+    image_uris,
 )

src/sagemaker/cli/compatibility/v2/modifiers/image_uris.py

@@ -0,0 +1,134 @@
+# Copyright 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"). You
+# may not use this file except in compliance with the License. A copy of
+# the License is located at
+#
+#     http://aws.amazon.com/apache2.0/
+#
+# or in the "license" file accompanying this file. This file 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.
+"""Classes to modify image uri retrieve methods for Python SDK v2.0 and later."""
+from __future__ import absolute_import
+
+import ast
+
+from sagemaker.cli.compatibility.v2.modifiers import matching
+from sagemaker.cli.compatibility.v2.modifiers.modifier import Modifier
+
+GET_IMAGE_URI_NAME = "get_image_uri"
+GET_IMAGE_URI_NAMESPACES = (
+    "sagemaker",
+    "sagemaker.amazon_estimator",
+    "sagemaker.amazon.amazon_estimator",
+    "amazon_estimator",
+    "amazon.amazon_estimator",
+)
+
+
+class ImageURIRetrieveRefactor(Modifier):
+    """A class to refactor *get_image_uri() method."""
+
+    def node_should_be_modified(self, node):
+        """Checks if the ``ast.Call`` node calls a function of interest.
+
+        This looks for the following calls:
+
+        - ``sagemaker.get_image_uri``
+        - ``sagemaker.amazon_estimator.get_image_uri``
+        - ``get_image_uri``
+
+        Args:
+            node (ast.Call): a node that represents a function call. For more,
+                see https://docs.python.org/3/library/ast.html#abstract-grammar.
+
+        Returns:
+            bool: If the ``ast.Call`` instantiates a class of interest.
+        """
+        return matching.matches_name_or_namespaces(
+            node, GET_IMAGE_URI_NAME, GET_IMAGE_URI_NAMESPACES
+        )
+
+    def modify_node(self, node):
+        """Modifies the ``ast.Call`` node to call ``image_uris.retrieve`` instead.
+        And switch the first two parameters from (region, repo) to (framework, region)
+
+        Args:
+            node (ast.Call): a node that represents a *image_uris.retrieve call.
+        """
+        original_args = [None] * 3
+        for kw in node.keywords:
+            if kw.arg == "repo_name":
+                original_args[0] = ast.Str(kw.value.s)
+            elif kw.arg == "repo_region":
+                original_args[1] = ast.Str(kw.value.s)
+            elif kw.arg == "repo_version":
+                original_args[2] = ast.Str(kw.value.s)
+
+        if len(node.args) > 0:
+            original_args[1] = ast.Str(node.args[0].s)
+        if len(node.args) > 1:
+            original_args[0] = ast.Str(node.args[1].s)
+        if len(node.args) > 2:
+            original_args[2] = ast.Str(node.args[2].s)
+
+        args = []
+        for arg in original_args:
+            if arg:
+                args.append(arg)
+
+        func = node.func
+        has_sagemaker = False
+        while hasattr(func, "value"):
+            if hasattr(func.value, "id") and func.value.id == "sagemaker":
+                has_sagemaker = True
+                break
+            func = func.value
+
+        if has_sagemaker:
+            node.func = ast.Attribute(
+                value=ast.Attribute(attr="image_uris", value=ast.Name(id="sagemaker")),
+                attr="retrieve",
+            )
+        else:
+            node.func = ast.Attribute(value=ast.Name(id="image_uris"), attr="retrieve")
+        node.args = args
+        node.keywords = []
+        return node
+
+
+class ImageURIRetrieveImportFromRenamer(Modifier):
+    """A class to update import statements of ``get_image_uri``."""
+
+    def node_should_be_modified(self, node):
+        """Checks if the import statement imports ``get_image_uri`` from the correct module.
+
+        Args:
+            node (ast.ImportFrom): a node that represents a ``from ... import ... `` statement.
+                For more, see https://docs.python.org/3/library/ast.html#abstract-grammar.
+
+        Returns:
+            bool: If the import statement imports ``get_image_uri`` from the correct module.
+        """
+        return node.module in GET_IMAGE_URI_NAMESPACES and any(
+            name.name == GET_IMAGE_URI_NAME for name in node.names
+        )
+
+    def modify_node(self, node):
+        """Changes the ``ast.ImportFrom`` node's name from ``get_image_uri`` to ``image_uris``.
+
+        Args:
+            node (ast.ImportFrom): a node that represents a ``from ... import ... `` statement.
+                For more, see https://docs.python.org/3/library/ast.html#abstract-grammar.
+
+        Returns:
+            ast.AST: the original node, which has been potentially modified.
+        """
+        for name in node.names:
+            if name.name == GET_IMAGE_URI_NAME:
+                name.name = "image_uris"
+            if node.module in GET_IMAGE_URI_NAMESPACES:
+                node.module = "sagemaker"
+        return node

tests/unit/sagemaker/cli/compatibility/v2/modifiers/test_algorithm_image_uris.py

@@ -0,0 +1,114 @@
+# Copyright 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"). You
+# may not use this file except in compliance with the License. A copy of
+# the License is located at
+#
+#     http://aws.amazon.com/apache2.0/
+#
+# or in the "license" file accompanying this file. This file 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
+
+import pasta
+import pytest
+
+from sagemaker.cli.compatibility.v2.modifiers import image_uris
+from tests.unit.sagemaker.cli.compatibility.v2.modifiers.ast_converter import ast_call, ast_import
+
+
+@pytest.fixture
+def methods():
+    return (
+        "get_image_uri('us-west-2', 'sagemaker-xgboost')",
+        "sagemaker.get_image_uri(repo_region='us-west-2', repo_name='sagemaker-xgboost')",
+        "sagemaker.amazon_estimator.get_image_uri('us-west-2', repo_name='sagemaker-xgboost')",
+        "sagemaker.amazon.amazon_estimator.get_image_uri('us-west-2', 'sagemaker-xgboost', repo_version='1')",
+    )
+
+
+@pytest.fixture
+def import_statements():
+    return (
+        "from sagemaker import get_image_uri",
+        "from sagemaker.amazon_estimator import get_image_uri",
+        "from sagemaker.amazon.amazon_estimator import get_image_uri",
+    )
+
+
+def test_method_node_should_be_modified(methods):
+    modifier = image_uris.ImageURIRetrieveRefactor()
+    for method in methods:
+        node = ast_call(method)
+        assert modifier.node_should_be_modified(node)
+
+
+def test_methodnode_should_be_modified_random_call():
+    modifier = image_uris.ImageURIRetrieveRefactor()
+    node = ast_call("create_image_uri()")
+    assert not modifier.node_should_be_modified(node)
+
+
+def test_method_modify_node(methods, caplog):
+    modifier = image_uris.ImageURIRetrieveRefactor()
+
+    method = "get_image_uri('us-west-2', 'xgboost')"
+    node = ast_call(method)
+    modifier.modify_node(node)
+    assert "image_uris.retrieve('xgboost', 'us-west-2')" == pasta.dump(node)
+
+    method = "amazon_estimator.get_image_uri('us-west-2', 'xgboost')"
+    node = ast_call(method)
+    modifier.modify_node(node)
+    assert "image_uris.retrieve('xgboost', 'us-west-2')" == pasta.dump(node)
+
+    method = "sagemaker.get_image_uri(repo_region='us-west-2', repo_name='xgboost')"
+    node = ast_call(method)
+    modifier.modify_node(node)
+    assert "sagemaker.image_uris.retrieve('xgboost', 'us-west-2')" == pasta.dump(node)
+
+    method = "sagemaker.amazon_estimator.get_image_uri('us-west-2', repo_name='xgboost')"
+    node = ast_call(method)
+    modifier.modify_node(node)
+    assert "sagemaker.image_uris.retrieve('xgboost', 'us-west-2')" == pasta.dump(node)
+
+    method = (
+        "sagemaker.amazon.amazon_estimator.get_image_uri('us-west-2', 'xgboost', repo_version='1')"
+    )
+    node = ast_call(method)
+    modifier.modify_node(node)
+    assert "sagemaker.image_uris.retrieve('xgboost', 'us-west-2', '1')" == pasta.dump(node)
+
+
+def test_import_from_node_should_be_modified_image_uris_input(import_statements):
+    modifier = image_uris.ImageURIRetrieveImportFromRenamer()
+
+    statement = "from sagemaker import get_image_uri"
+    node = ast_import(statement)
+    assert modifier.node_should_be_modified(node)
+
+    statement = "from sagemaker.amazon_estimator import get_image_uri"
+    node = ast_import(statement)
+    assert modifier.node_should_be_modified(node)
+
+    statement = "from sagemaker.amazon.amazon_estimator import get_image_uri"
+    node = ast_import(statement)
+    assert modifier.node_should_be_modified(node)
+
+
+def test_import_from_node_should_be_modified_random_import():
+    modifier = image_uris.ImageURIRetrieveImportFromRenamer()
+    node = ast_import("from sagemaker.amazon_estimator import registry")
+    assert not modifier.node_should_be_modified(node)
+
+
+def test_import_from_modify_node(import_statements):
+    modifier = image_uris.ImageURIRetrieveImportFromRenamer()
+    expected_result = "from sagemaker import image_uris"
+
+    for import_statement in import_statements:
+        node = ast_import(import_statement)
+        modifier.modify_node(node)
+        assert expected_result == pasta.dump(node)