BUG Update initialise_virtualenv.py to use uv sync

[SuccessMoses]

closes: #44078

uv is the recommended tool for installing airflow and other dependecies. I updated the ./scripts/tool/initialise_virtualenv.py file to use uv sync instead of pip unstall

[SuccessMoses]

even with this changes there is still a bug:

airflow version

Observation:

airflow) success@success-HP-Laptop-14-cf3xxx:~/Desktop/airflow$ airflow version
Traceback (most recent call last):
  File "/home/success/Desktop/airflow/.venv/bin/airflow", line 5, in <module>
    from airflow.__main__ import main
  File "/home/success/Desktop/airflow/airflow/__init__.py", line 78, in <module>
    settings.initialize()
  File "/home/success/Desktop/airflow/airflow/settings.py", line 787, in initialize
    configure_orm()
  File "/home/success/Desktop/airflow/airflow/settings.py", line 494, in configure_orm
    async_engine = create_async_engine(SQL_ALCHEMY_CONN_ASYNC, future=True)
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/success/Desktop/airflow/.venv/lib/python3.12/site-packages/sqlalchemy/ext/asyncio/engine.py", line 43, in create_async_engine
    sync_engine = _create_engine(*arg, **kw)
                  ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "<string>", line 2, in create_engine
  File "/home/success/Desktop/airflow/.venv/lib/python3.12/site-packages/sqlalchemy/util/deprecations.py", line 375, in warned
    return fn(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^
  File "/home/success/Desktop/airflow/.venv/lib/python3.12/site-packages/sqlalchemy/engine/create.py", line 544, in create_engine
    dbapi = dialect_cls.dbapi(**dbapi_args)
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/success/Desktop/airflow/.venv/lib/python3.12/site-packages/sqlalchemy/dialects/sqlite/aiosqlite.py", line 321, in dbapi
    __import__("aiosqlite"), __import__("sqlite3")

[potiuk]

If we use uv to create venv. You should either activate it with sourcing . ./.venv/bin/activatefirst or using uv run to run the command in the venv you just created (the venv is created in projects's root .venv sub-folder.

Might be worth to describe this behaviour and where the venv is created in the docs which refer to this script.

[SuccessMoses]

Should I add aiosqlite to dependencies in ./pyproject.toml

[potiuk]

No - it's already added by "hatch_build.py" via sqlite dependency. What you needed to do (see the fixup I added) - is to run the airflow commands via "uv run" command.