Found by running:
```
make pyupgrade
ruff check --fix .
ruff check --preview --unsafe-fixes --select=F401 --fix .
make format
make update-client-api-schema
```
The bulk of the changes are replacements of typing deprecated aliases
such as `Dict` and `List` with the standard library classes. These
aliases became redundant in Python 3.9 when the corresponding
pre-existing classes were enhanced to support `[]`, see
https://docs.python.org/3/library/typing.html#deprecated-aliases
Also:
- Update the `pyupgrade` Makefile target to use `--py38-plus` for the
packages needed by Pulsar, including the new galaxy-tool-util-models
package.
In API tests, replace no more working `uses_test_history` decorator (because
the `history_id` method parameter is interpreted as a fixture) with a real
class-level pytest fixture.
As a consequence, replace use of `self.history_id` in API tests because it
interferes with the class-level `history_id` fixture.
Also:
- Some type annotations
Upgrade syntax using `pyupgrade --py36-plus` .
Manually drop several `six` imports.
Also:
- Remove broken pr_cache in scripts/bootstrap_history.py
- Fix broken prefix removal in lib/galaxy/tool_util/deps/mulled/mulled_build.py
I've been refactoring toward this for at least half a decade. Being able to pip install the API and Selenium tests without bringing in the whole app is important to make them usable outside the context of the app - for testing remote, running servers for instance.
If galaxy-test-driver is available the test cases will still spawn a Galaxy instance if needed, but this is not longer required for import or use.
Nicola Soranzo