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Upgrade to Python 3.9

Recipe IDorg.openrewrite.python.migrate.UpgradeToPython39

Artifactopenrewrite-migrate-python

Migrate deprecated APIs for Python 3.9 compatibility. This includes PEP 585 built-in generics, removed base64 functions, and deprecated XML Element methods.

Composite recipePythonpythonmigration3.9Moderne Proprietary License

Try in PlatformTry this recipe in the Moderne platform. Not a user yet? You’ll get a no-setup demo environment, with nothing to install or configure.

Definition

Recipes52

52 recipes

• Upgrade to Python 3.8
• Change import
• Change import
• Replace typing.List with list
• Replace typing.Dict with dict
• Replace typing.Set with set
• Replace typing.FrozenSet with frozenset
• Replace typing.Tuple with tuple
• Replace typing.Type with type
• Replace typing.Callable with collections.abc.Callable
• Change import
• Change import
• Change import
• Change import
• Change import
• Change import
• Change import
• Change import
• Change import
• Change import
• Change import
• Change import
• Change import
• Change import
• Change import
• Change import
• Change import
• Change import
• Change import
• Change import
• Change import
• Change import
• Change import
• Change import
• Change import
• Change import
• Change import
• Change import
• Change import
• Change import
• Change import
• Change import
• Change import
• Trim blank lines before a leading import
• Replace Element.getiterator() with Element.iter()
• Replace Element.getchildren() with list(element)
• Change import
• Change import
• Change import
• Replace Thread.isAlive() with Thread.is_alive()
• Replace HTMLParser.unescape() with html.unescape()
• org.openrewrite.python.migrate.UpgradePythonVersionTo39

Usage

Run this recipe

In order to run Python recipes, you will need to use the Moderne CLI.

This recipe calls into other OpenRewrite packages as it runs, and the CLI needs every one of them in its marketplace. Once the CLI is installed, install all of the following:

RELEASE resolves to the newest release and LATEST to the newest build of any kind, including snapshots. Either one lets mod config recipes upgrade pull in later versions without editing this command; a pinned version stays where you put it.

RELEASE

Install the recipe packages

mod config recipes pip install openrewrite-migrate-python
mod config recipes jar install org.openrewrite.recipe:rewrite-migrate-python:RELEASE
mod config recipes jar install org.openrewrite:rewrite-python:RELEASE

LATEST

Install the recipe packages

mod config recipes pip install openrewrite-migrate-python
mod config recipes jar install org.openrewrite.recipe:rewrite-migrate-python:LATEST
mod config recipes jar install org.openrewrite:rewrite-python:LATEST

Pinned version

Install the recipe packages

mod config recipes pip install openrewrite-migrate-python==0.12.0
mod config recipes jar install org.openrewrite.recipe:rewrite-migrate-python:0.12.0
mod config recipes jar install org.openrewrite:rewrite-python:8.90.2

Then, you can run the recipe via:

Run the recipe

mod run . --recipe org.openrewrite.python.migrate.UpgradeToPython39