feat: add security_marks_path method; fix docstring links (via synt…

…h) (#24)

This PR was generated using Autosynth. 🌈


<details><summary>Log from Synthtool</summary>

```
2020-04-21 06:26:12,360 synthtool > Executing /tmpfs/src/git/autosynth/working_repo/synth.py.
On branch autosynth
nothing to commit, working tree clean
2020-04-21 06:26:12,435 synthtool > Ensuring dependencies.
2020-04-21 06:26:12,439 synthtool > Pulling artman image.
latest: Pulling from googleapis/artman
Digest: sha256:b3b47805231a305d0f40c4bf069df20f6a2635574e6d4259fac651d3f9f6e098
Status: Image is up to date for googleapis/artman:latest
2020-04-21 06:26:14,136 synthtool > Cloning googleapis.
2020-04-21 06:26:14,802 synthtool > Running generator for google/cloud/securitycenter/artman_securitycenter_v1p1beta1.yaml.
2020-04-21 06:26:33,030 synthtool > Generated code into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/securitycenter-v1p1beta1.
2020-04-21 06:26:33,031 synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/securitycenter/v1p1beta1/notification_message.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/securitycenter-v1p1beta1/google/cloud/securitycenter_v1p1beta1/proto/notification_message.proto
2020-04-21 06:26:33,031 synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/securitycenter/v1p1beta1/finding.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/securitycenter-v1p1beta1/google/cloud/securitycenter_v1p1beta1/proto/finding.proto
2020-04-21 06:26:33,031 synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/securitycenter/v1p1beta1/asset.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/securitycenter-v1p1beta1/google/cloud/securitycenter_v1p1beta1/proto/asset.proto
2020-04-21 06:26:33,031 synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/securitycenter/v1p1beta1/source.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/securitycenter-v1p1beta1/google/cloud/securitycenter_v1p1beta1/proto/source.proto
2020-04-21 06:26:33,032 synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/securitycenter/v1p1beta1/securitycenter_service.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/securitycenter-v1p1beta1/google/cloud/securitycenter_v1p1beta1/proto/securitycenter_service.proto
2020-04-21 06:26:33,032 synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/securitycenter/v1p1beta1/notification_config.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/securitycenter-v1p1beta1/google/cloud/securitycenter_v1p1beta1/proto/notification_config.proto
2020-04-21 06:26:33,032 synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/securitycenter/v1p1beta1/organization_settings.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/securitycenter-v1p1beta1/google/cloud/securitycenter_v1p1beta1/proto/organization_settings.proto
2020-04-21 06:26:33,032 synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/securitycenter/v1p1beta1/security_marks.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/securitycenter-v1p1beta1/google/cloud/securitycenter_v1p1beta1/proto/security_marks.proto
2020-04-21 06:26:33,032 synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/securitycenter/v1p1beta1/run_asset_discovery_response.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/securitycenter-v1p1beta1/google/cloud/securitycenter_v1p1beta1/proto/run_asset_discovery_response.proto
2020-04-21 06:26:33,033 synthtool > Placed proto files into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/securitycenter-v1p1beta1/google/cloud/securitycenter_v1p1beta1/proto.
2020-04-21 06:26:33,044 synthtool > Running generator for google/cloud/securitycenter/artman_securitycenter_v1beta1.yaml.
2020-04-21 06:26:50,689 synthtool > Generated code into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/securitycenter-v1beta1.
2020-04-21 06:26:50,689 synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/securitycenter/v1beta1/finding.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/securitycenter-v1beta1/google/cloud/securitycenter_v1beta1/proto/finding.proto
2020-04-21 06:26:50,690 synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/securitycenter/v1beta1/asset.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/securitycenter-v1beta1/google/cloud/securitycenter_v1beta1/proto/asset.proto
2020-04-21 06:26:50,690 synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/securitycenter/v1beta1/source.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/securitycenter-v1beta1/google/cloud/securitycenter_v1beta1/proto/source.proto
2020-04-21 06:26:50,690 synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/securitycenter/v1beta1/securitycenter_service.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/securitycenter-v1beta1/google/cloud/securitycenter_v1beta1/proto/securitycenter_service.proto
2020-04-21 06:26:50,690 synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/securitycenter/v1beta1/organization_settings.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/securitycenter-v1beta1/google/cloud/securitycenter_v1beta1/proto/organization_settings.proto
2020-04-21 06:26:50,690 synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/securitycenter/v1beta1/security_marks.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/securitycenter-v1beta1/google/cloud/securitycenter_v1beta1/proto/security_marks.proto
2020-04-21 06:26:50,691 synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/securitycenter/v1beta1/run_asset_discovery_response.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/securitycenter-v1beta1/google/cloud/securitycenter_v1beta1/proto/run_asset_discovery_response.proto
2020-04-21 06:26:50,691 synthtool > Placed proto files into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/securitycenter-v1beta1/google/cloud/securitycenter_v1beta1/proto.
2020-04-21 06:26:50,700 synthtool > Running generator for google/cloud/securitycenter/artman_securitycenter_v1.yaml.
2020-04-21 06:27:08,744 synthtool > Generated code into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/securitycenter-v1.
2020-04-21 06:27:08,745 synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/securitycenter/v1/notification_message.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/securitycenter-v1/google/cloud/securitycenter_v1/proto/notification_message.proto
2020-04-21 06:27:08,745 synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/securitycenter/v1/finding.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/securitycenter-v1/google/cloud/securitycenter_v1/proto/finding.proto
2020-04-21 06:27:08,746 synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/securitycenter/v1/asset.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/securitycenter-v1/google/cloud/securitycenter_v1/proto/asset.proto
2020-04-21 06:27:08,746 synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/securitycenter/v1/source.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/securitycenter-v1/google/cloud/securitycenter_v1/proto/source.proto
2020-04-21 06:27:08,746 synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/securitycenter/v1/securitycenter_service.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/securitycenter-v1/google/cloud/securitycenter_v1/proto/securitycenter_service.proto
2020-04-21 06:27:08,746 synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/securitycenter/v1/notification_config.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/securitycenter-v1/google/cloud/securitycenter_v1/proto/notification_config.proto
2020-04-21 06:27:08,747 synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/securitycenter/v1/organization_settings.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/securitycenter-v1/google/cloud/securitycenter_v1/proto/organization_settings.proto
2020-04-21 06:27:08,747 synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/securitycenter/v1/security_marks.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/securitycenter-v1/google/cloud/securitycenter_v1/proto/security_marks.proto
2020-04-21 06:27:08,747 synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/securitycenter/v1/run_asset_discovery_response.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/securitycenter-v1/google/cloud/securitycenter_v1/proto/run_asset_discovery_response.proto
2020-04-21 06:27:08,747 synthtool > Placed proto files into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/securitycenter-v1/google/cloud/securitycenter_v1/proto.
.coveragerc
.flake8
.github/CONTRIBUTING.md
.github/ISSUE_TEMPLATE/bug_report.md
.github/ISSUE_TEMPLATE/feature_request.md
.github/ISSUE_TEMPLATE/support_request.md
.github/PULL_REQUEST_TEMPLATE.md
.github/release-please.yml
.gitignore
.kokoro/build.sh
.kokoro/continuous/common.cfg
.kokoro/continuous/continuous.cfg
.kokoro/docs/common.cfg
.kokoro/docs/docs.cfg
.kokoro/presubmit/common.cfg
.kokoro/presubmit/presubmit.cfg
.kokoro/publish-docs.sh
.kokoro/release.sh
.kokoro/release/common.cfg
.kokoro/release/release.cfg
.kokoro/trampoline.sh
CODE_OF_CONDUCT.md
CONTRIBUTING.rst
LICENSE
MANIFEST.in
docs/_static/custom.css
docs/_templates/layout.html
docs/conf.py.j2
noxfile.py.j2
renovate.json
setup.cfg
Running session blacken
Creating virtual environment (virtualenv) using python3.6 in .nox/blacken
pip install black
black google tests docs
reformatted /tmpfs/src/git/autosynth/working_repo/docs/conf.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1/__init__.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1/gapic/enums.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1/gapic/transports/security_center_grpc_transport.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1/proto/asset_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1/gapic/security_center_client_config.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1/proto/finding_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1/proto/notification_config_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1/proto/notification_config_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1/proto/notification_message_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1/proto/notification_message_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1/proto/finding_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1/proto/organization_settings_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1/proto/asset_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1/proto/run_asset_discovery_response_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1/proto/run_asset_discovery_response_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1/proto/security_marks_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1/proto/organization_settings_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1/proto/security_marks_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1/proto/source_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1/proto/source_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1/types.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1beta1/__init__.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1beta1/gapic/enums.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1/gapic/security_center_client.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1/proto/securitycenter_service_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1beta1/gapic/security_center_client_config.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1beta1/gapic/transports/security_center_grpc_transport.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1beta1/proto/asset_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1beta1/proto/finding_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1beta1/proto/finding_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1beta1/proto/asset_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1beta1/proto/organization_settings_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1beta1/proto/run_asset_discovery_response_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1beta1/proto/run_asset_discovery_response_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1beta1/proto/organization_settings_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1beta1/proto/security_marks_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1beta1/gapic/security_center_client.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1beta1/proto/security_marks_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1beta1/proto/source_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1beta1/proto/source_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1beta1/types.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1p1beta1/__init__.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1p1beta1/gapic/enums.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1beta1/proto/securitycenter_service_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1p1beta1/gapic/security_center_client_config.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1p1beta1/gapic/transports/security_center_grpc_transport.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1p1beta1/proto/asset_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1p1beta1/proto/asset_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1p1beta1/gapic/security_center_client.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1p1beta1/proto/finding_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1p1beta1/proto/finding_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1p1beta1/proto/notification_config_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1p1beta1/proto/notification_config_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1p1beta1/proto/notification_message_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1p1beta1/proto/notification_message_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1p1beta1/proto/organization_settings_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1p1beta1/proto/run_asset_discovery_response_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1p1beta1/proto/run_asset_discovery_response_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1p1beta1/proto/organization_settings_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1p1beta1/proto/security_marks_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1p1beta1/proto/security_marks_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1/proto/securitycenter_service_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1p1beta1/proto/source_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1p1beta1/proto/source_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1p1beta1/types.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1beta1/proto/securitycenter_service_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1p1beta1/proto/securitycenter_service_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/tests/unit/gapic/v1beta1/test_security_center_client_v1beta1.py
reformatted /tmpfs/src/git/autosynth/working_repo/tests/unit/gapic/v1/test_security_center_client_v1.py
reformatted /tmpfs/src/git/autosynth/working_repo/tests/unit/gapic/v1p1beta1/test_security_center_client_v1p1beta1.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/securitycenter_v1p1beta1/proto/securitycenter_service_pb2.py
All done! ✨ 🍰 ✨
73 files reformatted, 18 files left unchanged.
Session blacken was successful.
2020-04-21 06:27:24,186 synthtool > Wrote metadata to synth.metadata.

```
</details>

.coveragerc

@@ -1,3 +1,19 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright 2020 Google LLC
+#
+# 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
+#
+#     https://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.
+
 # Generated by synthtool. DO NOT EDIT!
 [run]
 branch = True

.flake8

@@ -1,3 +1,19 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright 2020 Google LLC
+#
+# 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
+#
+#     https://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.
+
 # Generated by synthtool. DO NOT EDIT!
 [flake8]
 ignore = E203, E266, E501, W503

.github/ISSUE_TEMPLATE/bug_report.md

@@ -11,8 +11,7 @@ Thanks for stopping by to let us know something could be better!
 Please run down the following list and make sure you've tried the usual "quick fixes":
 
   - Search the issues already opened: https://github.com/googleapis/python-securitycenter/issues
-  - Search the issues on our "catch-all" repository: https://github.com/googleapis/google-cloud-python
-  - Search StackOverflow: http://stackoverflow.com/questions/tagged/google-cloud-platform+python
+  - Search StackOverflow: https://stackoverflow.com/questions/tagged/google-cloud-platform+python
 
 If you are still having issues, please be sure to include as much information as possible:
 

CONTRIBUTING.rst

@@ -22,7 +22,7 @@ In order to add a feature:
   documentation.
 
 - The feature must work fully on the following CPython versions:  2.7,
-  3.5, 3.6, and 3.7 on both UNIX and Windows.
+  3.5, 3.6, 3.7 and 3.8 on both UNIX and Windows.
 
 - The feature must not add unnecessary dependencies (where
   "unnecessary" is of course subjective, but new dependencies should
@@ -214,26 +214,18 @@ We support:
 -  `Python 3.5`_
 -  `Python 3.6`_
 -  `Python 3.7`_
+-  `Python 3.8`_
 
 .. _Python 3.5: https://docs.python.org/3.5/
 .. _Python 3.6: https://docs.python.org/3.6/
 .. _Python 3.7: https://docs.python.org/3.7/
+.. _Python 3.8: https://docs.python.org/3.8/
 
 
 Supported versions can be found in our ``noxfile.py`` `config`_.
 
 .. _config: https://github.com/googleapis/python-securitycenter/blob/master/noxfile.py
 
-We explicitly decided not to support `Python 2.5`_ due to `decreased usage`_
-and lack of continuous integration `support`_.
-
-.. _Python 2.5: https://docs.python.org/2.5/
-.. _decreased usage: https://caremad.io/2013/10/a-look-at-pypi-downloads/
-.. _support: https://blog.travis-ci.com/2013-11-18-upcoming-build-environment-updates/
-
-We have `dropped 2.6`_ as a supported version as well since Python 2.6 is no
-longer supported by the core development team.
-
 Python 2.7 support is deprecated. All code changes should maintain Python 2.7 compatibility until January 1, 2020.
 
 We also explicitly decided to support Python 3 beginning with version
@@ -247,7 +239,6 @@ We also explicitly decided to support Python 3 beginning with version
 .. _prominent: https://docs.djangoproject.com/en/1.9/faq/install/#what-python-version-can-i-use-with-django
 .. _projects: http://flask.pocoo.org/docs/0.10/python3/
 .. _Unicode literal support: https://www.python.org/dev/peps/pep-0414/
-.. _dropped 2.6: https://github.com/googleapis/google-cloud-python/issues/995
 
 **********
 Versioning

MANIFEST.in

@@ -1,3 +1,19 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright 2020 Google LLC
+#
+# 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
+#
+#     https://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.
+
 # Generated by synthtool. DO NOT EDIT!
 include README.rst LICENSE
 recursive-include google *.json *.proto

google/cloud/securitycenter_v1/gapic/security_center_client.py

@@ -144,6 +144,15 @@ def organization_settings_path(cls, organization):
             organization=organization,
         )
 
+    @classmethod
+    def security_marks_path(cls, organization, asset):
+        """Return a fully-qualified security_marks string."""
+        return google.api_core.path_template.expand(
+            "organizations/{organization}/assets/{asset}/securityMarks",
+            organization=organization,
+            asset=asset,
+        )
+
     @classmethod
     def source_path(cls, organization, source):
         """Return a fully-qualified source string."""