Add ros2trace_analysis command and process/convert verbs

ros2trace_analysis/ros2trace_analysis/__init__.py

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+# Copyright 2019 Apex.AI, Inc.
+#
+# 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.

ros2trace_analysis/ros2trace_analysis/api/__init__.py

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+# Copyright 2019 Apex.AI, Inc.
+#
+# 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.

ros2trace_analysis/ros2trace_analysis/command/__init__.py

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+# Copyright 2019 Apex.AI, Inc.
+#
+# 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.

ros2trace_analysis/ros2trace_analysis/command/trace_analysis.py

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+# Copyright 2019 Apex.AI, Inc.
+#
+# 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.
+
+"""Module for trace analysis command extension implementation."""
+
+from ros2cli.command import add_subparsers
+from ros2cli.command import CommandExtension
+from ros2cli.verb import get_verb_extensions
+
+
+class TraceAnalysisCommand(CommandExtension):
+    """Analyze traces to extract useful execution data."""
+
+    def add_arguments(self, parser, cli_name):
+        self._subparser = parser
+        # get verb extensions and let them add their arguments
+        verb_extensions = get_verb_extensions('ros2trace_analysis.verb')
+        add_subparsers(
+            parser, cli_name, '_verb', verb_extensions, required=False)
+
+    def main(self, *, parser, args):
+        if not hasattr(args, '_verb'):
+            # in case no verb was passed
+            self._subparser.print_help()
+            return 0
+
+        extension = getattr(args, '_verb')
+
+        # call the verb's main method
+        return extension.main(args=args)

ros2trace_analysis/ros2trace_analysis/verb/__init__.py

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+# Copyright 2019 Apex.AI, Inc.
+#
+# 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.

ros2trace_analysis/ros2trace_analysis/verb/convert.py

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+# Copyright 2019 Apex.AI, Inc.
+#
+# 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.
+
+from ros2cli.verb import VerbExtension
+from tracetools_analysis.convert import add_args
+from tracetools_analysis.convert import convert
+
+
+class ConvertVerb(VerbExtension):
+    """Convert trace data to a file."""
+
+    def add_arguments(self, parser, cli_name):
+        add_args(parser)
+
+    def main(self, *, args):
+        return convert(
+            args.trace_directory,
+            args.output_file_name,
+        )

ros2trace_analysis/ros2trace_analysis/verb/process.py

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+# Copyright 2019 Apex.AI, Inc.
+#
+# 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.
+
+from ros2cli.verb import VerbExtension
+from tracetools_analysis.process import add_args
+from tracetools_analysis.process import process
+
+
+class ProcessVerb(VerbExtension):
+    """Process a file converted from a trace directory and output model data."""
+
+    def add_arguments(self, parser, cli_name):
+        add_args(parser)
+
+    def main(self, *, args):
+        return process(
+            args.input_path,
+            args.force_conversion,
+        )