The Python ecosystem has a great many tools for various features. Pants installs, configures, and invokes those tools for you, while taking care of orchestrating the workflow, caching results, and running concurrently.

Pants currently supports the following goals and features for Python:

goal

underlying tools

dependency resolution

pip

test running

pytest

linting/formatting

black, flake8, docformatter, isort, pylint, bandit, grep

typechecking

Mypy

code generation

protoc (including the gRPC and Mypy plugins)

packaging

setuptools, pex, aws lambda

running a REPL

python, iPython

counting lines of code

scc

There are also goals for querying and understanding your dependency graph, and a robust help system. We're adding support for additional tools and features all the time, and it's straightforward to implement your own.


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