deps: Remove Python 3.7 and 3.8 as supported runtimes (#2133)

* Initial batch of changes to remove 3.7 and 3.8

* 🦉 Updates from OwlBot post-processor

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

* more updates to remove 3.7 and 3.8

* 🦉 Updates from OwlBot post-processor

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

* updates samples/geography/reqs

* updates samples/magics/reqs

* updates samples/notebooks/reqs

* updates linting

* 🦉 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

* updates conf due to linting issue

* 🦉 Updates from OwlBot post-processor

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

* updates reqs.txt, fix mypy, lint, and debug in noxfile

* Updates owlbot to correct spacing issue in conf.py

* 🦉 Updates from OwlBot post-processor

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

* updates owlbot imports

* 🦉 Updates from OwlBot post-processor

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

* removes kokoro samples configs for 3.7 & 3.8

* 🦉 Updates from OwlBot post-processor

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

* removes owlbots attempt to restore kokoro samples configs

* removes kokoro system-3.8.cfg

* edits repo sync settings

* updates assorted noxfiles for samples and pyproject.toml

* update test-samples-impl.sh

* updates install_deps template

* Edits to the contributing documentation

* deps: use pandas-gbq to determine schema in `load_table_from_dataframe` (#2095)

* feat: use pandas-gbq to determine schema in `load_table_from_dataframe`

* 🦉 Updates from OwlBot post-processor

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

* fix some unit tests

* 🦉 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

* bump minimum pandas-gbq to 0.26.1

* 🦉 Updates from OwlBot post-processor

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

* drop pandas-gbq from python 3.7 extras

* relax warning message text assertion

* use consistent time zone presense/absense in time datetime system test

* Update google/cloud/bigquery/_pandas_helpers.py

* Update google/cloud/bigquery/_pandas_helpers.py

Co-authored-by: Chalmer Lowe <[email protected]>

* remove pandas-gbq from at least 1 unit test and system test session

---------

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

* Feat: Adds foreign_type_info attribute to table class and adds unit tests. (#2126)

* adds foreign_type_info attribute to table

* feat: Adds foreign_type_info attribute and tests

* updates docstrings for foreign_type_info

* Updates property handling, especially as regards set/get_sub_prop

* Removes extraneous comments and debug expressions

* Refactors build_resource_from_properties w get/set_sub_prop

* updates to foreign_type_info, tests and wiring

* Adds logic to detect non-Sequence schema.fields value

* updates assorted tests and logic

* deps: updates required checks list in github (#2136)

* deps: updates required checks list in github

* deps: updates snippet and system checks in github to remove 3.9

* changes the order of two items in the list.

* updates linting

* reverts pandas back to 1.1.0

* Revert changes related to pandas <1.5

* Revert noxfile.py changes related to pandas <1.5

* Revert constraints-3.9 changes related to pandas <1.5

* Revert test_query_pandas.py changes related to pandas <1.5

* Revert test__pandas_helpers.py changes related to pandas <1.5

* Revert test__versions_helpers.py changes related to pandas <1.5

* Revert tnoxfile.py changes related to pandas <1.5

* Revert test__versions_helpers.py changes related to pandas <1.5

* Revert test_table.py changes related to pandas <1.5

* Update noxfile changes related to pandas <1.5

* Update pyproject.toml changes related to pandas <1.5

* Update constraints-3.9.txt changes related to pandas <1.5

* Update test_legacy_types.py changes related to pandas <1.5

* Updates magics.py as part of reverting from pandas 1.5

* Updates noxfile.py in reverting from pandas 1.5

* Updates pyproject.toml in reverting from pandas 1.5

* Updates constraints.txt in reverting from pandas 1.5

* Updates test_magics in reverting from pandas 1.5

* Updates test_table in reverting from pandas 1.5

* Updates in tests re: reverting from pandas 1.5

* Updates pyproject to match constraints.txt

* updates pyproject.toml to mirror constraints

* remove limit on virtualenv

* updates owlbot.py for test-samples-impl.sh

* updates to owlbot.py

* updates to test-samples-impl.sh

* 🦉 Updates from OwlBot post-processor

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

* further updates to owlbot.py

* removes unneeded files

* adds presubmit.cfg back in

---------

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: Tim Sweña (Swast) <[email protected]>

Author: 3 people

.coveragerc

@@ -9,6 +9,6 @@ omit =
     google/cloud/bigquery_v2/*  # Legacy proto-based types.
 exclude_lines =
     # Re-enable the standard pragma
-    pragma: NO COVER
+    pragma: (no cover|NO COVER)
     # Ignore debug-only repr
     def __repr__

.kokoro/presubmit/snippets-3.8.cfg renamed to .kokoro/presubmit/snippets-3.9.cfg

@@ -3,5 +3,5 @@
 # Only run this nox session.
 env_vars: {
     key: "NOX_SESSION"
-    value: "snippets-3.8"
+    value: "snippets-3.9"
 }

.kokoro/presubmit/system-3.8.cfg renamed to .kokoro/presubmit/system-3.9.cfg

@@ -3,5 +3,5 @@
 # Only run this nox session.
 env_vars: {
     key: "NOX_SESSION"
-    value: "system-3.8"
-}
+    value: "system-3.9"
+}