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 <chalmerlowe@google.com> * 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 <chalmerlowe@google.com> * 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) <swast@google.com>

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 .kokoro/presubmit/snippets-3.9.cfg.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 .kokoro/presubmit/system-3.9.cfg.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"
+}