Make KeyError from 'get_metadata' more flexible.

Source-Link: https://togithub.com/googleapis/synthtool/commit/26c7505b2f76981ec1707b851e1595c8c06e90fc
Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-python:latest@sha256:f946c75373c2b0040e8e318c5e85d0cf46bc6e61d0a01f3ef94d8de974ac6790

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

* chore: Update gapic-generator-python to v1.8.5

PiperOrigin-RevId: 511892190

Source-Link: googleapis/googleapis@a45d9c0

Source-Link: googleapis/googleapis-gen@1907294
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiMTkwNzI5NGIxZDgzNjVlYTI0ZjhjNWYyZTA1OWE2NDEyNGM0ZWQzYiJ9

fix: Add service_yaml_parameters to py_gapic_library BUILD.bazel targets

PiperOrigin-RevId: 510187992

Source-Link: googleapis/googleapis@5edc235

Source-Link: googleapis/googleapis-gen@b0bedb7
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiYjBiZWRiNzJlNDc2NWEzZTBiNjc0YTI4YzUwZWEwZjlhOWIyNmE4OSJ9

feat: add X.509 Name Constraints support

PiperOrigin-RevId: 509331611

Source-Link: googleapis/googleapis@a57751b

Source-Link: googleapis/googleapis-gen@f99e972
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiZjk5ZTk3MmI1MjEwYWEyYTVkMGZlN2NiOTFmYjBkY2E0YzhhOTAzMiJ9

feat: enable "rest" transport in Python for services supporting numeric enums

PiperOrigin-RevId: 508143576

Source-Link: googleapis/googleapis@7a702a9

Source-Link: googleapis/googleapis-gen@6ad1279
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiNmFkMTI3OWMwZTdhYTc4N2FjNmI2NmM5ZmQ0YTIxMDY5MmVkZmZjZCJ9

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* fix: Add `service_yaml` parameters to `privateca_py_gapic`

PiperOrigin-RevId: 513565852

Source-Link: googleapis/googleapis@d83ff74

Source-Link: googleapis/googleapis-gen@26d16e1
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiMjZkMTZlMWY3ZTI3Y2M4ODZjNzQ2ZjA5MDMwYTMyNjc3ZDBhODIwOSJ9

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

---------

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

* docs: Add three per company option to diversification levels

PiperOrigin-RevId: 536429537

Source-Link: googleapis/googleapis@7cb9709

Source-Link: googleapis/googleapis-gen@bc0f6d6
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiYmMwZjZkNjVkN2RhOWZiNzhjNmUzNzczZDhjMGNjOGIxYWY4NmI0MSJ9

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

---------

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

…#339)

* fix(deps): require google-api-core>=1.32.0,>=2.8.0

* chore: update constraints

…versions (#339)

Expand pins on library dependencies in preparation for these dependencies taking a new major version. See #10566.

* docs: Minor formatting

PiperOrigin-RevId: 553099804

Source-Link: googleapis/googleapis@f48d1a3

Source-Link: googleapis/googleapis-gen@9607990
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiOTYwNzk5MGY0YzMyMTdiYWM2ZWRkODEzMTYxNGNmY2M3MTc0NGE2ZiJ9

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

---------

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

…ic enums (#339)

* feat: enable "rest" transport in Python for services supporting numeric enums

PiperOrigin-RevId: 508143576

Source-Link: googleapis/googleapis@7a702a9

Source-Link: googleapis/googleapis-gen@6ad1279
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiNmFkMTI3OWMwZTdhYTc4N2FjNmI2NmM5ZmQ0YTIxMDY5MmVkZmZjZCJ9

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* feat: enable "rest" transport in Python for services supporting numeric enums

PiperOrigin-RevId: 508143576

Source-Link: googleapis/googleapis@7a702a9

Source-Link: googleapis/googleapis-gen@6ad1279
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiNmFkMTI3OWMwZTdhYTc4N2FjNmI2NmM5ZmQ0YTIxMDY5MmVkZmZjZCJ9

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* update samples and system test to use REST

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

---------

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: Anthonios Partheniou <partheniou@google.com>

* chore: Update gapic-generator-python to v1.8.2

PiperOrigin-RevId: 504289125

Source-Link: googleapis/googleapis@38a48a4

Source-Link: googleapis/googleapis-gen@b2dc226
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiYjJkYzIyNjYzZGJlNDdhOTcyYzhkOGMyZjhhNGRmMDEzZGFmZGNiYyJ9

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Source-Link: https://togithub.com/googleapis/synthtool/commit/cb960373d12d20f8dc38beee2bf884d49627165e
Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-python:latest@sha256:2d816f26f728ac8b24248741e7d4c461c09764ef9f7be3684d557c9632e46dbd

* chore: update Go import paths to match open source
chore: update gapic-generator-go version to 0.35.2

PiperOrigin-RevId: 516528222

Source-Link: googleapis/googleapis@dcd99fd

Source-Link: googleapis/googleapis-gen@975f4ee
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiOTc1ZjRlZWE2OWE3NWI5NjVlMmYxMDNiZTFiYzgyOTcyZDRhMzVkNyJ9

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* chore: regenerate API index

Source-Link: googleapis/googleapis@40a03de

Source-Link: googleapis/googleapis-gen@6c17328
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiNmMxNzMyOGU5ZTFjMmI1OGU5NjAwNzIyZThmYzhjYmU4NDYwMGQ3ZiJ9

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

---------

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

* chore(python): drop python 3.6

Source-Link: googleapis/synthtool@4f89b13
Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-python:latest@sha256:e7bb19d47c13839fe8c147e50e02e8b6cf5da8edd1af8b82208cd6f66cc2829c

* require python 3.7+ in setup.py

* remove python 3.6 sample configs

* trigger ci

* add api_description to .repo-metadata.json

* update name_pretty in .repo-metadata.json

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: Anthonios Partheniou <partheniou@google.com>

Co-authored-by: Anthonios Partheniou <partheniou@google.com>

Co-authored-by: Anthonios Partheniou <partheniou@google.com>

* chore: update copyright year to 2022

PiperOrigin-RevId: 431037888

Source-Link: googleapis/googleapis@b3397f5

Source-Link: googleapis/googleapis-gen@510b54e
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiNTEwYjU0ZTFjZGVmZDUzMTczOTg0ZGYxNjY0NTA4MTMwOGZlODk3ZSJ9

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Source-Link: googleapis/synthtool@993985f
Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-python:latest@sha256:1894490910e891a385484514b22eb5133578897eb5b3c380e6d8ad475c6647cd

…#339)

* feat: add `FetchConnectedGa4Property` method to the Admin API v1alpha
feat: add `GetChannelGroup`, `ListChannelGroups`, `CreateChannelGroup`, `UpdateChannelGroup` methods to the Admin API v1alpha
feat: add `ChannelGroupFilter`, `ChannelGroupFilterExpression`, `ChannelGroupFilterExpressionList`, `GroupingRule`, `ChannelGroup` types to the Admin API v1alpha

PiperOrigin-RevId: 526740438

Source-Link: googleapis/googleapis@893a25b

Source-Link: googleapis/googleapis-gen@601c2c7
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiNjAxYzJjNzRmZGNjMGMzMWNmNjQ0OGE5MGEyZWFkN2VlZjYwNzc3MCJ9

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

---------

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

…p/templates/python_library/.kokoro (#339)

* build(deps): bump cryptography from 38.0.3 to 39.0.1 in /synthtool/gcp/templates/python_library/.kokoro

Source-Link: googleapis/synthtool@bb17135
Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-python:latest@sha256:f62c53736eccb0c4934a3ea9316e0d57696bb49c1a7c86c726e9bb8a2f87dadf

* fix typo

---------

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: Anthonios Partheniou <partheniou@google.com>

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

Source-Link: googleapis/synthtool@50db768
Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-python:latest@sha256:e09366bdf0fd9c8976592988390b24d53583dd9f002d476934da43725adbb978

Bumps the year to 2020 in the templates. Also tweaked the formatting slightly (copied from go/copyright).

This resolves
https://togithub.com/googleapis/google-auth-library-python-oauthlib/issues/338.

Thank you for opening a Pull Request! Before submitting your PR, there are a few things you can do to make sure it goes smoothly:
- [ ] Make sure to open an issue as a [bug/issue](https://togithub.com/googleapis/google-auth-library-python-oauthlib/issues/new/choose) before writing your code!  That way we can discuss the change, evaluate designs, and agree on the general idea
- [ ] Ensure the tests and linter pass
- [ ] Code coverage does not decrease (if any source code was changed)
- [ ] Appropriate docs were updated (if necessary)

Fixes #<issue_number_goes_here> 🦕

* fix(deps): remove setuptools from dependencies

Fixes #338

* chore: remove setuptools from constraints

* chore(python): fix prerelease session [autoapprove]

Source-Link: googleapis/synthtool@1b9ad76
Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-python:latest@sha256:9db98b055a7f8bd82351238ccaacfd3cda58cdf73012ab58b8da146368330021

* update replacement in owlbot.py

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: Anthonios Partheniou <partheniou@google.com>

…ied (#339)

Fixes #337

…_HOST (#433)

…_HOST

* keeps consistent naming across auth packages of all languages.

    The package will now check GCE_METADATA_HOST (the new name) first; if not present, it falls back to GCE_METADATA_ROOT (the old name), then the default value.

closes [#339](googleapis/google-auth-library-python#339).

🤖 I have created a release \*beep\* \*boop\* 
---
### [1.16.1](https://www.github.com/googleapis/google-auth-library-python/compare/v1.16.0...v1.16.1) (2020-06-04)


### Bug Fixes

* fix impersonated cred exception doc ([#521](https://www.github.com/googleapis/google-auth-library-python/issues/521)) ([9d5a9a9](https://www.github.com/googleapis/google-auth-library-python/commit/9d5a9a9884fecbd698a602d2a9fd9bec6b987de7))
* replace environment variable GCE_METADATA_ROOT with GCE_METADATA_HOST ([#433](https://www.github.com/googleapis/google-auth-library-python/issues/433)) ([8ffb4d3](https://www.github.com/googleapis/google-auth-library-python/commit/8ffb4d3e832607869026444e5a071c5f3e225fd2)), closes [#339](https://www.github.com/googleapis/google-auth-library-python/issues/339)
---


This PR was generated with [Release Please](https://github.com/googleapis/release-please).